Revision: 4

Date: 04/28/2006

DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

WASHINGTON, D.C.

MASTER MINIMUM EQUIPMENT LIST

PIPER PA 30 AND 39

Federal Aviation Administration Aircraft Evaluation Group DOT Building, Room 332 901 Locust       Street Kansas City, MO                    64106-2641

Telephone:

FAX:

(816)-329-3233

(816)-329-3241

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21-1

22-1

25

26-1

27-1

28-1

30

30-1

31-1

32-1

35-1

37-1

61-1

77-1

MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 4

DATE: 04/28/2006

PAGE NO:

I

TABLE OF CONTENTS

SYSTEM

SYSTEM NO.

PAGE NO.

Table of Contents

Log of Revisions

I

II

Control Page

Highlights of Change

III, IV

V, VI, VII

Definitions

Definitions

VIII, IX, X, XI,

XII, XIII, XIV, XV

-- Preamble

XVI, XVII

XVIII, XIX, XX

                  Guidelines for (O) & (M) Procedures 21 Air Conditioning

22 Auto Flight

23 Communications

23-1, 2

25-1, 2, 3

Equipment/Furnishings

26 Fire Protection

27 Flight Controls

28 Fuel

Ice and Rain Protection

31 Indicating/Recording Systems

32 Landing Gear

33 Lights

33-1, 2

34-1 THRU 11

34 Navigation

35 Oxygen

37 Vacuum/Pressure

61 Propellers

77 Engine Indicating

DEPARTMENT OF TRANSPORTATION

  3

4

4

4

4

4

MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 4

DATE: 04/28/2006

PAGE NO:

II

Log of Revisions

Rev No.

Date

Page Numbers

Initials

Original 08/03/81  Original Issue

1 03/23/84 All Pages

2 03/30/89 Complete Revision

06/26/89

HIGHLIGHTS OF REV.,DEFINITIONS

3 06/26/89 PREAMBLE

3a

05/26/93

HIGHLIGHTS OF REV.,DEFINITIONS

3a 05/26/93 21-1,22-1,23-1,25-1,26-1

3a 05/26/93 27-1,28-1,30-1,31-1,32-1 3a 05/26/93 33-1,34-1,34-2,35-1,37-1 3a 05/26/93 61-1,77-1

3b

3b 11/13/96 GUIDELINES

11/13/96

HIGHLIGHTS OF REV.,DEFINITIONS

3b 11/13/96 23-1,23-2,25-1,25-2,26-1 3b 11/13/96 28-1,33-1,33-2,34-1,34-2 3b 11/13/96 34-3,34-4,34-5 04/28/2006

HIGHLIGHTS OF REV., DEFINITIONS

4 04/28/2006 GUIDELINES

04/28/2006

22-1, 23-1, 23-2, 25-1, 25-2, 25-3

26-1, 33-1, 33-2, 34-1, 34-2, 34-3

04/28/2006

04/28/2006

34-4, 34-5, 34-6, 34-7, 34-8, 34-9

34-10, 34-11, 35-1, 77-1

04/28/2006

DEPARTMENT OF TRANSPORTATION

  -

4

4

4

4

4

4

MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 4

DATE: 04/28/2006

PAGE NO:

III

Control Page

System

Page No.

Rev. No.

Current Date

Cover Page

Table of Contents

04/28/2006

04/28/2006

I

II

Log of Revisions

Control Page

04/28/2006

04/28/2006

III

IV

Highlights of Change

04/28/2006

V 4 04/28/2006

VI 4 04/28/2006

Definitions VII 9 07/05/2005 VIII 9 07/05/2005 IX

9 07/05/2005 9 07/05/2005 X

XI 9 07/05/2005 XII 9 07/05/2005 XIII 9 07/05/2005 XIV 9 07/05/2005 Preamble XV 2 06/14/1989 XVI 2 06/14/1989 XVII

04/28/2006

Guidelines for (O) & (M) Procedures

XVIII 4 04/28/2006

XIX

                          4 04/28/2006 XX 4 04/28/2006 21 21-1 3 a 05/26/1993 22 22-1 4 04/28/2006 23 23-1 4 04/28/2006 23-2 4 04/28/2006 25 25-1 4 04/28/2006 25-2 4 04/28/2006 25-3 4 04/28/2006 26 26-1 4 04/28/2006 27 27-1 3 a 05/26/1993 28 28-1 3 b 11/13/1996 30 30-1 3 a 05/26/1993 31 31-1 3 a 05/26/1993 32 32-1 3 a 05/26/1993 33 33-1 4 04/28/2006 33-2 4 04/28/2006 34 34-1 4 04/28/2006 34-2 4 04/28/2006 34-3 4 04/28/2006 34-4 4 04/28/2006 34-5 4 04/28/2006 34-6 4 04/28/2006 34-7 4 04/28/2006 34-8 4 04/28/2006 34-9 4 04/28/2006

DEPARTMENT OF TRANSPORTATION

  34-10

4

MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 4

DATE: 04/28/2006

PAGE NO:

IV

Control Page

System

Page No.

Rev. No.

Current Date

Control Page (continued)

34 (continued)

04/28/2006

34-11 4 04/28/2006

35 35-1 4 04/28/2006

37 37-1 3 a 05/26/1993 61 61-1 3 a 05/26/1993 77 77-1 4 04/28/2006

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 4

DATE: 04/28/2006

PAGE NO:

V

HIGHLIGHTS OF CHANGE

Definitions

Updated IAW PL-25, Global Change 131.

Guidelines

For (O) & (M)

Updated IAW applicable Policy Letter Provisos.

Procedures

ATA 22-1

Updated IAW PL-101 (GC-103)—wording of proviso changed for relief of Autopilot System requirement.

ATA 22-2

Updated IAW PL-93—proviso added to provide Autopilot Disconnect relief.

ATA 23-1

Updated IAW PL-95 (GC-111)—relief for communications equipment per PL-95 and relocating HF relief to ATA 23-7.

ATA 23-4

Updated IAW PL-09 (GC-119)—to give relief to PA system inoperative components for passenger or cargo only operations.

ATA 23-5

Updated IAW PL-58 (GC-100)—to give relief for Boom Microphones when operated with or without CVR installed and operating.

ATA 23-7

Updated IAW PL-106 (GC-120)—MMEL location change for HF relief.

ATA 25-2

Updated IAW PL-79 (GC-134)—revised for passenger seat, armrest and recline mechanism relief.

ATA 25-4

Updated IAW PL-116 (GC-138) to include proviso change for Non— Essential Equipment and Furnishings.

ATA 25-6

Updated IAW PL-73 (GC-130)—provisions to standardize deferral of approved emergency medical equipment.

ATA 25-7

Updated IAW PL-100 (GC-114)—provisions to standardize policy and relief of Cargo Restraint Systems.

ATA 26-1

Updated IAW PL-75 (GC-53)—policy standardization for the relief of portable fire extinguishers.

ATA 33-1

Updated IAW PL-91—to give relief to use strobe lights in lieu of white position lights when the strobe is in close proximity.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

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REVISION: 4

DATE: 04/28/2006

PAGE NO:

VI

HIGHLIGHTS OF CHANGE

ATA 33-4

Updated IAW PL-77 (GC-63)—revised to reflect minor changes in proviso and change repair category from D to C.

ATA 33-7

Updated IAW PL-72 (GC-54)—revised to comply with wording in the proviso and AD 99-14-01 for Wing Illumination Lights.

ATA 34-8

Updated IAW PL-76 (GC-133)—revised to reflect changes in the proviso on Transponder and Automatic Altitude Reporting Systems.

ATA 34-9

Updated IAW PL-67 (GC-88)—revised to add Wind Shear Detection and Avoidance System and proviso under Weather Radar title.

ATA 34-12

Updated IAW PL-03—revised to comply with new wording in the proviso for DME Systems.

ATA 34-15

Updated IAW PL-39 (GC-45)—revised to comply with wording in the policy letter proviso on the Altitude Alerting System.

ATA 34-16

Updated IAW PL-10—revised to reflect formatting changes and adding of (O) procedures to the provisos on Non-Stabilized Magnetic Compass System.

ATA 34-18

Updated IAW PL-32 (GC-115)—revised to add new wording to the proviso for TCAS II.

ATA 34-19

Updated IAW PL-32 (GC-115)—revised to reflect new proviso terminology.

ATA 34-20

Updated IAW 04/28/2006 PL-54 (GC-139)--revised to reflect TAWS/GPWS equipment proviso for piston aircraft.  The relief allowed by this proviso is for the equipment required for the type of operation to be conducted not the equipment installed in the aircraft.

ATA 34-20-2  Added Windshear Warning and Flight Guidance System relief per PL-67 (GC-88).

ATA 34-22

Updated IAW PL-98 (GC-71)—relief for inoperative Flight Management System Navigation Databases.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION:  4

DATE: 04/28/2006

PAGE NO:

VII

HIGHLIGHTS OF CHANGE

ATA 34-23

Updated IAW PL-98 (GC-71)—relief for inoperative Navigation Management System Navigation Databases.

ATA 34-24

Updated IAW PL-105 (GC-86)—to provide for ADS-B System relief.

ATA 34-25

Updated IAW PL-111—to provide for relief of inoperable Standby Attitude Indicator.

ATA 34-26

Updated IAW PL-115 (GC-123)—to provide for Chelton Flight Logic Electronic Instrument System (EFIS) relief.

ATA 35-2

Updated IAW PL-43—revised to provide relief for Protective Breathing Equipment (PBE).

ATA 77-2

Added relief for Dual EGT and CHT Digital Indicators.

ATA 77-3

Added relief for Dual EGT and CHT Digital Indicators with original analog CHT installed.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 9

DATE: 07/05/2005

PAGE NO:

VIII

DEFINITIONS

1. System Definitions.

System numbers are based on the Air Transport Association (ATA) Specification Number 100 and items are numbered sequentially.

a. "Item" (Column 1) means the equipment, system, component, or function listed in the "Item" column.

b. "Number Installed" (Column 2) is the number (quantity) of items normally installed in the aircraft. This number represents the aircraft configuration considered in developing this MMEL. Should the number be a variable (e.g., passenger cabin items) a number is not required.

c. "Number Required for Dispatch" (Column 3) is the minimum number (quantity) of items required for operation provided the conditions specified in Column 4 are met.

NOTE: Where the MMEL shows a variable number required for dispatch, the MEL must reflect the actual number required for dispatch or an alternate means of configuration control approved by the Administrator.

d. "Remarks or Exceptions" (Column 4) in this column includes a statement either prohibiting or permitting operation with a specific number of items inoperative, provisos (conditions and limitations) for such operation, and appropriate notes.

e. A vertical bar (change bar) in the margin indicates a change, addition or deletion in the adjacent text for the current revision of that page only. The change bar is dropped at the next revision of that page.

2. "Airplane/Rotorcraft Flight Manual" (AFM/RFM) is the document required for type certification and approved by the responsible FAA Aircraft Certification Office. The FAA approved AFM/RFM for the specific aircraft is listed on the applicable Type Certificate Data Sheet.

3. "As required by FAR" means that the listed item is subject to certain provisions (restrictive or permissive) expressed in the Federal Aviation Regulations operating rules. The number of items required by the FAR must be operative. When the listed item is not required by FAR it may be inoperative for the time specified by repair category.

4. Each inoperative item must be placarded to inform and remind the crewmembers and maintenance personnel of the equipment condition.

NOTE: To the extent practical, placards should be located adjacent to the control or indicator for the item affected; however, unless otherwise specified, placard wording and location will be determined by the operator.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

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REVISION: 9

DATE: 07/05/2005

PAGE NO:

IX

DEFINITIONS

5."-" symbol in Column 2 and/or Column 3 indicates a variable number (quantity) of the item installed.

6. "Deleted" in the remarks column after a sequence item indicates that the item was previously listed but is now required to be operative if installed in the aircraft.

7."ER" refers to extended range operations of a two-engine airplane (ETOPS) which has a type design approval for ER operations (ETOPS) and complies with the provisions of Advisory Circular 120-42A.

8. "Federal Aviation Regulations" (FAR) means the applicable portions of the Federal Aviation Act and Federal Aviation Regulations.

9. "Flight Day" means a 24 hour period (from midnight to midnight) either Universal Coordinated Time (UCT) or local time, as established by the operator, during which at least one flight is initiated for the affected aircraft.

10. "Icing Conditions" means an atmospheric environment that may cause ice to form on the aircraft or in the engine(s).

11. Alphabetical symbol in Column 4 indicates a proviso (condition or limitation) that must be complied with for operation with the listed item inoperative.

12. ”Inoperative" means a system and/or component malfunction to the extent that it does not accomplish its intended purpose and/or is not consistently functioning normally within its approved operating limit(s) or tolerance(s).

13. ”Notes:" in Column 4 provides additional information for crewmember or maintenance consideration. Notes are used to identify applicable material which is intended to assist with compliance, but do not relieve the operator of the responsibility for compliance with all applicable requirements. Notes are not a part of the provisos.

14. Inoperative components of an inoperative system: Inoperative items which are components of a system which is inoperative are usually considered components directly associated with and having no other function than to support that system. (Warning/caution systems associated with the inoperative system must be operative unless relief is specifically authorized per the MMEL).

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

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AIRCRAFT:

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REVISION: 9

DATE: 07/05/2005

PAGE NO:

X

DEFINITIONS

15. "(M)" symbol indicates a requirement for a specific maintenance procedure which must be accomplished prior to operation with the listed item inoperative. Normally these procedures are accomplished by maintenance personnel; however, other personnel may be qualified and authorized to perform certain functions. Procedures requiring specialized knowledge or skill, or requiring the use of tools or test equipment should be accomplished by maintenance personnel. The satisfactory accomplishment of all maintenance procedures, regardless of who performs them, is the responsibility of the operator. Appropriate procedures are required to be published as part of the operator's manual or MEL.

16. "(O)" symbol indicates a requirement for a specific operations procedure which must be accomplished in planning for and/or operating with the listed item inoperative. Normally these procedures are accomplished by the flight crew however, other personnel may be qualified and authorized to perform certain functions. The satisfactory accomplishment of all procedures, regardless of who performs them, is the responsibility of the operator. Appropriate procedures are required to be published as a part of the operator's manual or MEL.

NOTE: The (M) and (O) symbols are required in the operator's MEL unless otherwise authorized by the Administrator.

17. "Deactivated" and "Secured" means that the specified component must be put into an acceptable condition for safe flight. An acceptable method of securing or deactivating will be established by the operator.

18. "Visual Flight Rules" (VFR) is as defined in FAR Part 91. This precludes a pilot from filing an Instrument Flight Rules (IFR) flight plan.

19. "Visual Meteorological Conditions" (VMC) means the atmospheric environment is such that would allow a flight to proceed under the visual flight rules applicable to the flight. This does not preclude operating under Instrument Flight Rules.

20. "Visible Moisture" means an atmospheric environment containing water in any form that can be seen in natural or artificial light; for example, clouds, fog, rain, sleet, hail, or snow.

21. "Passenger Convenience Items" means those items related to passenger convenience, comfort or entertainment such as, but not limited to, galley equipment, movie equipment, ash trays, stereo equipment, overhead reading lamps, etc.

DEPARTMENT OF TRANSPORTATION

  a.

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

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REVISION: 9

DATE: 07/05/2005

PAGE NO:

XI

DEFINITIONS

22. Repair Intervals: All users of an MEL approved under FAR 121, 125, 129 and 135 must effect repairs of inoperative systems or components, deferred in accordance with the MEL, at or prior to the repair times established by the following letter designators:

Category A. Items in this category shall be repaired within the time interval specified in the remarks column of the operator's approved MEL.

Category B. Items in this category shall be repaired within three (3) consecutive calendar days (72 hours), excluding the day the malfunction was recorded in the aircraft maintenance record/logbook. For example, if it were recorded at 10 a.m. on January 26th, the three day interval would begin at midnight the 26th and end at midnight the 29th.

Category C. Items in this category shall be repaired within ten (10) consecutive calendar days (240 hours), excluding the day the malfunction was recorded in the aircraft maintenance record/logbook. For example, if it were recorded at 10 a.m. on January 26th, the 10 day interval would begin at midnight the 26th and end at midnight February 5th.

Category D. Items in this category shall be repaired within one hundred and twenty (120) consecutive calendar days (2880 hours), excluding the day the malfunction was recorded in the aircraft maintenance log and/or record.

The letter designators are inserted adjacent to Column 2.

23. Electronic fault alerting system – General

New generation aircraft display system fault indications to the flight crew by use of computerized display systems. Each aircraft manufacturer has incorporated individual design philosophies in determining the data that would be represented. The following are customized definitions (specific to each manufacturer) to help determine the level of messages affecting the aircraft's dispatch status.  When preparing the MEL document, operators are to select the proper Definition No. 23 for their aircraft, if appropriate.

BOEING (B-757/767, B-747-400, B-777)

Boeing airplanes equipped with Engine Indicating and Crew Alerting Systems (EICAS) provide different priority levels of system messages (WARNING, CAUTION, ADVISORY, STATUS and MAINTENANCE).  Any messages that affects airplane dispatch status will be displayed at a STATUS message level or higher. The absence of an EICAS STATUS or higher level (WARNING, CAUTION, ADVISORY) indicates that the system/component is operating within its approved operating limits or tolerances.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

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REVISION: 9

DATE: 07/05/2005

PAGE NO:

XIII

DEFINITIONS

System conditions that result only in a maintenance level message, i.e. no correlation with a higher level EICAS message, do not affect dispatch and do not require action other than as addressed within an operator’s standard maintenance program.

b. Boeing (B-717, MD-10, MD-11)

These aircraft are equipped with an alerting function which is a subsystem within the Electronic Instrument System (EIS). The alerting function provides various levels of system condition alerts (WARNING, CAUTION, ADVISORY, MAINTENANCE and STATUS)

Alerts that affect aircraft dispatch will include WARNING, CAUTION, STATUS or MAINTENANCE level. MAINTENANCE alerts are displayed on the status page of the EIS display panel under the maintenance heading.

A MAINTENANCE alert on the EIS indicates the presence of a system fault which can be identified by the Central Fault Display System (CFDS) interrogation. The systems are designed to be fault tolerant, however, for any MAINTENANCE alert, the MEL must be verified for dispatch purposes.

c. AIRBUS (A-300-600, A-310, A-318/320/319/321, A-330, A-340)

Airbus aircraft equipped with Electronic Centralized Aircraft Monitoring (ECAM) provide different levels of system condition messages (WARNING, CAUTION, STATUS, and ADVISORY). A-318/320/319/ 321, A-330, and A-340 also provide MAINTENANCE status messages.

Any message that affects airplane dispatchability will normally be at the WARNING, CAUTION or STATUS level. MAINTENANCE messages (A-318/319/320/321, A-330, and A-340 only) are also indicated on ECAM Status Page below the white Maintenance label.

A MAINTENANCE status (Class II) message on ECAM indicates the presence of a system fault which can be identified by CFDS (A-318/319/320/321) or CMS (A-330/A-.

For the A-330 and A-340, MAINTENANCE status messages do not affect dispatch. (FK-100)

Fokker aircraft are equipped with Multi Function Display System (MFDS) which provides electronic message referring to the different priority levels of system information (WARNING (red), CAUTION (amber), AWARENESS (cyan) AND STATUS (white).  Any messages that affects aircraft dispatch will be at the WARNING, CAUTION or AWARENESS level.  In these cases the MEL must be verified for dispatch capability and maintenance may be required.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

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REVISION: 9

DATE: 07/05/2005

PAGE NO:

XIII

DEFINITIONS

System conditions that only require maintenance are not ¦presented on the flight deck. These maintenance indications/messages may be presented on the Maintenance & Test Panel (MAP) or the Centralized Fault Display Unit (CFDU) and by dedicated Built in Test Evaluation (BITE) of systems.

DEPARTMENT OF TRANSPORTATION

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AIRCRAFT:

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PAGE NO:

XIV

DEFINITIONS

24. "Administrative control item" means an item listed by the operator in the MEL for tracking and informational purposes. It may be added to an operator's MEL by approval of the Principal Operations Inspector provided no relief is granted, or provided conditions and limitations are contained in an approved document (i.e. Structural Repair Manual, airworthiness directive, etc.). If relief other than that granted by an approved document is sought for an administrative control item, a request must be submitted to the Administrator. If the request results in review and approval by the FOEB, the item becomes an MMEL item rather than an administrative control item.

DEPARTMENT OF TRANSPORTATION

  D."

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REVISION: 9

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PAGE NO:

XV

DEFINITIONS

25."***" symbol in Column 1 indicates an item which is not required by regulation but which may have been installed on some models of aircraft covered by this MMEL. This item may be included on the operator's MEL after the approving office has determined that the item has been installed on one or more of the operator's aircraft. The symbol, however, shall not be carried forward into the operator's MEL. It should be noted that neither this policy nor the use of this symbol provide authority to install or remove an item from an aircraft.

26. "Excess Items" means those items that have been installed that are redundant to the requirements of the FARs.

27. "Day of Discovery" is the calendar day an equipment/instrument malfunction was recorded in the aircraft maintenance log and or record. This day is excluded from the calendar days or flight days specified in the MMEL for the repair of an inoperative item of equipment. This provision is applicable to all MMEL items, i.e., categories "A, B, C, and

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 2

DATE: 06/14/1989

PAGE NO:

XVI

PREAMBLE

(06/14/1989)

The following is applicable for authorized certificate holders operating under Federal Aviation Regulations (FAR) Parts 121, 125, 129, 135: The FAR require that all equipment installed on an aircraft in compliance with the Airworthiness Standards and the Operating Rules must be operative. However, the Rules also permit the publication of a Minimum Equipment List (MEL) where compliance with certain equipment requirements is not necessary in the interests of safety under all operating conditions. Experience has shown that with the various levels of redundancy designed into aircraft, operation of every system or installed component may not be necessary when the remaining operative equipment can provide an acceptable level of safety. A Master Minimum Equipment List (MMEL) is developed by the FAA, with participation by the aviation industry, to improve aircraft utilization and thereby provide more convenient and economic air transportation for the public. The FAA approved MMEL includes those items of equipment related to airworthiness and operating regulations and other items of equipment which the Administrator finds may be inoperative and yet maintain an acceptable level of safety by appropriate conditions and limitations; it does not contain obviously required items such as wings, flaps, and rudders. The MMEL is the basis for development of individual operator MELs which take into consideration the operator's particular aircraft equipment configuration and operational conditions. Operator MELs, for administrative control, may include items not contained in the MMEL; however, relief for administrative control items must be approved by the Administrator. An operator's MEL may differ in format from the MMEL, but cannot be less restrictive than the MMEL. The individual operator's MEL, when approved and authorized, permits operation of the aircraft with inoperative equipment.

Equipment not required by the operation being conducted and equipment in excess of FAR requirements are included in the MEL with appropriate conditions and limitations. The MEL must not deviate from the Aircraft Flight Manual Limitations, Emergency Procedures or with Airworthiness Directives. It is important to remember that all equipment related to the airworthiness and the operating regulations of the aircraft not listed on the MMEL must be operative.

Suitable conditions and limitations in the form of placards, maintenance procedures, crew operating procedures and other restrictions as necessary are specified in the MEL to ensure that an acceptable level of safety is maintained.

The MEL is intended to permit operation with inoperative items of equipment for a period of time until repairs can be accomplished. It is important that repairs be accomplished at the earliest opportunity. In order to maintain an acceptable level of safety and reliability the MMEL establishes limitations on the duration of and conditions for operation with inoperative equipment.

DEPARTMENT OF TRANSPORTATION

  MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 2

DATE: 06/14/1989

PAGE NO:

XVII

PREAMBLE

(06/14/1989)

The MEL provides for release of the aircraft for flight with inoperative equipment. When an item of equipment is discovered to be inoperative, it is reported by making an entry in the Aircraft Maintenance Record/Logbook as prescribed by FAR. The item is then either repaired or may be deferred per the MEL or other approved means acceptable to the Administrator prior to further operation. MEL conditions and limitations, do not relieve the operator from determining that the aircraft is in condition for safe operation with items of equipment inoperative.

When these requirements are met, an Airworthiness Release, Aircraft Maintenance Record/Logbook entry, or other approved documentation is issued as prescribed by FAR. Such documentation is required prior to operation with any item of equipment inoperative.

Operators are responsible for exercising the necessary operational control to ensure that an acceptable level of safety is maintained. When operating with multiple inoperative items, the interrelationships between those items and the effect on aircraft operation and crew workload will be considered.

Operators are to establish a controlled and sound repair program including the parts, personnel, facilities, procedures, and schedules to ensure timely repair.

WHEN USING THE MEL, COMPLIANCE WITH THE STATED INTENT OF THE PREAMBLE, DEFINITIONS, AND THE CONDITIONS AND LIMITATIONS SPECIFIED IN THE MEL IS REQUIRED

DEPARTMENT OF TRANSPORTATION

  21-1

22-1

23-4-1

23-7

25-7

28-1

31-2

32-1

33-7

34-9-1

34-15

34-16

34-18

MASTER MINIMUM EQUIPMENT LIST

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AIRCRAFT:

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REVISION: 4

DATE: 04/28/2006

PAGE NO:

XVIII

Guidelines for (O) & (M) Procedures

The FOEB has identified a need for certain procedures to provide an adequate level of safety while providing relief for the following items. These procedures must be established by the operator. The following guidelines are to help establish these required procedures:

(M) Maintenance procedure to assure no fuel leak or mechanical or electrical fault exists.

(M) Maintenance procedure to assure no mechanical or electrical fault exists that will have an adverse effect on any flight control function.

(O) Operations procedure established to provide an alternate means to brief passengers.

(O) Operations procedure to ensure alternate procedures are established and used when one HF is out of service.

(M) Maintenance procedure to ensure cargo is not restrained by an inoperative Cargo Restraint System.

(O) Operations procedure to assure the quantity and balance of fuel on board meets the regulatory requirements for the intended flight.

(O) Operations procedure for recording flight time.

(O) Operations procedure to prevent movement of aircraft when stopped or parked.

(O) Operations procedure for ground deicing without use of Wing Illumination Lights.

(O) Operational method for alternate procedure(s) when Wind Shear Detection & Avoidance System is inoperative.

(O) Operational procedure to ensure autopilot with altitude hold is operative and enroute operations do not require use of the Altitude Alerting System.

(O) Operational procedure(s) to establish when the Non-Stabilized Magnetic Compass is not functioning normally.

(O) Operational procedure to ensure the TCAS I System is not required for the intended flight.

DEPARTMENT OF TRANSPORTATION

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AIRCRAFT:

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REVISION: 4

DATE: 04/28/2006

PAGE NO:

XIX

Guidelines for (O) & (M) Procedures

(M) Maintenance procedure to ensure the TCAS I System is deactivated and secured.

(M) Maintenance procedure to ensure the TCAS II System is deactivated and secured.

(O) Operational procedure to ensure all TA functions are operative and only the TA mode is selected and the inoperative item is not required for the intended flight.

(O) Operations procedure to ensure all RA display and audio functions are operative and enroute and approach procedures do not require its use.

(O) Operations alternate procedure(s) to ensure crew awareness of aircraft performance and altitude.

(O) Operations procedure to establish alternate method when Windshear Warning and Flight Guidance System is inoperative.

(O) Operations procedure to ensure crew awareness of aircraft altitude and performance when alternate procedures are established and used.

(O) Operations procedure to ensure crew awareness of aircraft altitude and performance when alternate procedures are established and used.

(O) Operations procedure to ensure crew awareness of aircraft altitude and performance when alternate procedures are established and used.

(O) Operations procedure to ensure crew awareness of aircraft altitude and performance when alternate procedures are established and used.

(O) Operations procedure established to verify status and suitability of navigation facilities used for the intended route of flight.

(O) Operations procedure established to verify status and suitability of navigation facilities used for the intended route of flight.

(M) Maintenance procedure required to ensure the remaining AHRS is verified to be fully operational.

DEPARTMENT OF TRANSPORTATION

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AIRCRAFT:

PIPER PA-30 AND 39

REVISION: 4

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PAGE NO:

XX

Guidelines for (O) & (M) Procedures

(M) Maintenance procedure required to ensure inoperative ADC is secured and the remaining ADC is fully operational.

(M) Maintenance procedure to assure no other fault exists that could cause other damage.

DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 3a

DATE: 5/26/93

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

21 AIR CONDITIONING

1. Combustion Heater

C

0  (M)

Heater Fan

C

May be inoperative provided:

Heater or windshield de-fogging is not required on the ground, Heater is turned off prior to landing, and

Heater is not operated on the ground.

3. Heater Hourmeter

C

4. Temperature Adjustment

Control

C

May be inoperative provided heater can be turned on and off to adjust cabin temperature.

DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

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AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

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1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

22 AUTO FLIGHT

Auto Pilot Systems

C

(M) May be inoperative provided

operations do not require its use.

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Autopilot Disconnect

C

One may be inoperative provided the autopilot is not utilized at less than initial

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approach altitude.

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DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

23 COMMUNICATIONS

1. Communications

Systems (VHF and

UHF)

D

Any in excess of those required by FAR may be inoperative provided it is not

|

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powered by the aircraft emergency power systems and not required for emergency

|

|

procedures.

|

Cockpit Speakers

C

May be inoperative provided two operative headsets are available to the flight crew.

Audio Amplifier

C

May be inoperative provided two operative headsets are available to the flight crew.

4. Passenger Address (PA)

System

Passenger Configuration

C

(O) May be inoperative provided:

PA not required by FAR, and Alternate, normal and emergency procedures, and/or operating

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|

|

restrictions are established and

used.

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|

NOTE:  Any station function(s) that

operate normally may be used.

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|

|

2) Cargo Configuration

C

D

May be inoperative provided alternate,

normal and emergency procedures,

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|

and/or operating restrictions are

established and used.

May be inoperative provided procedures

do not require its use.

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DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

23 COMMUNICATIONS

Boom Microphones

Cockpit Voice Recorder Equipped to Record Boom Microphone per FAR 135.151(d).

A

May be inoperative provided repairs are made within three flight days.

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|

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***  Not Equipped to Record

Cockpit Voic

e Recorder

Boom Microphone

D

Any in excess of those required by FAR may be inoperative.

|

|

|

***  (CVR)

Cockpit Voic

e Recorder

A

May be inoperative provided repairs are made within three flight days.

High Frequency  (HF)

Communication System

D

C

Any in excess of those required by FAR may be inoperative.

|

|

(O) May be inoperative while conducting operations that require two LRCS

|

|

provided:

SATCOM Voice or Data Link

operates normally,

Alternate procedures are

established and used,

SATCOM coverage is available

over the intended route of flight,

|

|

|

and

If Inmarsat codes are not available while using SATCOM Voice, prior coordination with the

|

|

|

appropriate ATS facility is

required.

NOTE:  SATCOM is to be used only as a backup to normal HF

|

|

communications unless otherwise authorized by the appropriate ATS facilities.

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DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

25 EQUIPMENT/

FURNISHINGS

1. Cockpit Crewmember

Shoulder Harness

B

Right side may be inoperative provided seat remains unoccupied.

Passengers Seat(s)

C

May be inoperative provided:

Seat does not block an

Emergency Exit,

Seat does not restrict any passenger from access to the main aircraft aisle, and

|

|

|

The affected seat(s) are blocked

and placarded “DO NOT

|

|

OCCUPY”.

NOTE:  A seat with an inoperative seatbelt is considered inoperative.

|

|

|

|

|

|

|

1) Recline Mechanism

C

May be inoperative and seat occupied provided seat is secured in the up-right

|

|

position.

|

Armrest

C

May be inoperative or missing and seat occupied provided:

|

|

Armrest does not block an

Emergency Exit,

For an armrest with a recline mechanism, seat is secured in the upright position.

|

|

|

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Flotation Equipment

C

As required by FAR.

DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

25 EQUIPMENT/

FURNISHINGS

4. Passenger Convenience Items  (Expires on November 1, 2007)

Passenger convenience items, as expressed in this MMEL are those related to passenger convenience, comfort or entertainment such as, but not limited to,

|

|

galley equipment, movie equipment, ashtrays, stereo equipment, overhead reading lamps. Items addressed elsewhere in this document shall not be included. (M) and (O) procedures may be required and included in the air carrier’s appropriate document.

|

Non-Essential Equipment & Furnishings (NEF) (Before or after November 1, 2007)

May be inoperative, damaged, or missing provided that the item(s) is deferred in

|

|

accordance with the operator’s NEF deferral program.  The NEF program, procedures, and processes are outlined in the operators (insert name) Manual. (M)

|

|

|

and (O) procedures, if required, must be available to the flight crew and included in

|

|

the operator’s appropriate document.

|

|

5. Emergency Locator

Transmitter (ELT)

C

C

As required by FAR.

May be inoperative for scheduled flights in scheduled air carrier service.

6. Emergency Medical Kit and/or Associated Equipment

D

Any in excess of those required by FAR may be incomplete, missing or

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|

inoperative provided that at least one kit contains the minimum content required by

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|

the FARs.

|

DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

25 EQUIPMENT/

FURNISHINGS

Cargo Restraint Systems

C

C

(M) May be inoperative, or missing provided acceptable cargo loading limits from an approved source, i.e., an Approved Cargo Loading Manual, Cargo Handling Manual, or Weight and Balance Document are observed.

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May be inoperative, or missing provided cargo compartment remains empty.

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DEPARTMENT OF TRANSPORTATION

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-

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

26 FIRE PROTECTION

1. Portable Fire

Extinguishers

D

Any in excess of those required by FAR may be inoperative or missing provided:

|

The inoperative fire extinguisher is tagged inoperative, removed from its installed location, and placed out of sight so that it can not be mistaken for a functional unit, and

The required distribution is

maintained.

DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 3a

DATE: 5/26/93

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

27 FLIGHT CONTROLS

Electric Stabilator Trim

C

May be inoperative provided manual trim is operative and unimpaired.

Flap Position Indicator

C

May be inoperative provided:

Flaps are visually checked for full travel and flap operations is not impaired, and

Flaps are visually checked full up prior to each departure.

Trim Tab Position Indicators (Stabilator and Rudder)

C

May be inoperative provided:

Tab is visually checked for full range of operation,

Tab operation is not impaired,

and

Tab is positioned to neutral prior to each departure and neutral position is verified by visual inspection.

DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 3b

DATE: 11/13/96

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

28 FUEL

Fuel Quantity Indicators

C

(O) One may be inoperative provided a reliable means is established to determine that fuel on board is sufficient to meet regulatory requirements for the intended flight.

DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 3a

DATE: 5/26/93

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

30  ICE AND RAIN

PROTECTION

Surface Deicing System (Wing, Horizontal and Vertical Stabilizer)

C

May be inoperative provided flight is not conducted in known or forecast icing conditions.

2. Propeller Anti-Icing

System

C

May be inoperative provided flight is not conducted in known or forecast icing conditions.

Windshield Deice System

C

May be inoperative provided flight is not conducted in known or forecast icing conditions.

Pitot Heater

B

May be inoperative provided:

Passengers are not carried

under IFR, and

Aircraft is not operated in known or forecast icing conditions.

NOTE: Two heated pitot tubes are

required for these conditions if a second airspeed indicator is installed and operative.

Stall Warning/Heater

C

May be inoperative provided flight is not conducted in known or forecast icing conditions.

DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

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REVISION NO: 3a

DATE: 5/26/93

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2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

31 INDICATING/

RECORDING SYSTEMS

Clock with Sweep Second Hand or Electric Digital Clock.

C

May be inoperative for VFR.

Flight Hour Recorder

C

DEPARTMENT OF TRANSPORTATION

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1

MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 3a

DATE: 5/26/93

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

32 LANDING GEAR

1. Parking Brake

C

0  (O)

DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

33 LIGHTS

Position Lights

C

May be inoperative for day operations.

NOTE:  Wing and tail strobe lights may be used in lieu of respective

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|

wing and tail white position lights but may not be used in place of the red and/or green wing tip position lights during night operations. A strobe

light must be in close proximity to a white wing or tail position light to be used in lieu of that

|

|

|

white position light.

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|

|

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2. Anti-Collision/Beacon

Light System

B

May be inoperative for day operations.

Landing Lights

C

Both may be inoperative for day operations.

C

One may be inoperative for night operations.

4. Cockpit/Flight

Compartment and Instrument Lighting System

C

Individual lights may be inoperative

provided remaining lights are:

Sufficient to clearly illuminate all required instruments, controls, and other devices for which it is provided,

Positioned so that direct rays are shielded from the crewmembers eyes, and

Lighting configuration and intensity is acceptable to the flight crew.

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DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

33 LIGHTS

Cabin Lights

C

May be inoperative provided:

Sufficient lighting is operative for the crew to perform required duties, and

Lighting configuration is

acceptable to the flight crew.

Strobe Light System

C

Wing Illumination Lights

C

(O) May be inoperative provided ground deicing procedures do not require their

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use.

|

NOTE:  Must be operative prior to flight into known or forecast icing

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conditions at night (AD 99-14-01). |

DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

34 NAVIGATION

Altimeter, Adjustable for

Barometric Pressure

B

May be inoperative on right side.

Airspeed Indicator

C

May be inoperative on right side.

Vertical Speed Indicator

B

Must be operative on left side for IFR passenger carrying.

Deleted

Gyroscopic Rate of

Turn/Slip Skid Indicator

B

Must be operative on left side for IFR, passenger carrying VFR over-the-top, and passenger carrying VFR night flights.

Gyroscopic Pitch and

Bank Indicator

B

May be inoperative on right side.

7. Gyroscopic Direction

Indicator

B

May be inoperative on right side.

ATC Transponders and Automatic Altitude Reporting Systems

B

D

May be inoperative provided:

Enroute operations do not

require its use, and

Prior to flight, approval is obtained from ATC facilities having jurisdiction over the planned route of flight.

Any in excess of those required by FAR may be inoperative.

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DEPARTMENT OF TRANSPORTATION

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MASTER MINIMUM EQUIPMENT LIST

FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

34 NAVIGATION

Weather

Radar/Thunderstorm

Detection Equipment

C

As required by FAR.

1) Windshear Detection and  C Avoidance System

(O) May be inoperative provided: Alternate procedures are established and used, and

b) Windshear Warning and

Guidance System operates

normally.

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|

|

|

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|

C

(O) May be inoperative provided: Alternate procedures are established and used, and Takeoffs and landings not conducted in known or forecast windshear conditions.

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10. Navigation Equipment (VOR/ILS, Loran, Omega/VLF, INS, Doppler, GPS)

C

As required by FAR.

11.  Marker Beacon Receiver

C

May be inoperative provided approach

procedure does not require its use.

12. Distance Measuring Equipment (DME) Systems

D

Any in excess of those required by FAR may be inoperative.

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13.  ADF

C

As required by FAR.

14. RMI

C

DEPARTMENT OF TRANSPORTATION

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FEDERAL AVIATION ADMINISTRATION

AIRCRAFT:

PIPER PA-30 AND 39

REVISION NO: 4

DATE: 04/28/2006

PAGE NO:

1. REPAIR CATEGORY

2. NUMBER INSTALLED

3. NUMBER REQUIRED FOR DISPATCH

4. REMARKS AND EXCEPTIONS

SYSTEM

SEQUENCE &

NUMBERS

34 NAVIGATION

15.  Altitude Alerting System

A

C

(O) May be inoperative provided:

Autopilot with altitude hold is

operative,

Enroute operations do not require

its use, and

Repairs are made within three

flight days.

May be inoperative provided it is not required by FAR.

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|

|

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|

16. Non-Stabilized Magnetic

Compass

B

(O) May be inoperative provided any combination of three Gyro or INS (IRU)

|

Stabilized Compass Systems are

operative.

B

(O) May be inoperative provided:

Any combination of two Gyro or INS (IRU) Stabilized Compass

|

Systems operate normally, and Airplane is operated with Dual Independent Navigation Capability and under Positive Radar Control by ATC on the enroute portion of the flight.

B

(O) May be inoperative for flights that are entirely within areas of magnetic

|

unreliability provided at least two Stabilized Directional Gyro Systems are installed, operate normally, and used in conjunction with approved Free Gyro Navigation Techniques.

17.  Altitude Encoder

Combined with ATC Transponders,

Revision 3b.

DEPARTMENT OF TRANSPORTATION

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4