Federal Aviation
Administration

MMEL Policy Letter 117, Revision 0

Date:

Oct 7, 2005

To:

All Region Flight Standards Division Managers
All Aircraft Evaluation Group Managers

From:

Manager, Air Transportation Division, AFS-200

Reply to Attn of:

Manager, Technical Programs Branch, AFS-260

MMEL GLOBAL CHANGE

PL-117 is designated as GC-137

This Global Change (GC) is an approved addendum to all existing MMEL documents.† Operators may seek use of the specific relief contained in this policy letter by revising their Minimum Equipment List (MEL).† In doing so, each applicable sample proviso stating the relief in this policy letter, must be copied verbatim in the operatorís MEL.† Approval of a revised MEL is gained utilizing established procedures, through the Operatorís assigned Principal Operations Inspector (POI).

SUBJECT:

Selective Call System (SELCAL)

MMEL CODE:

23 (COMMUNICATIONS)

REFERENCE:

Original

PURPOSE:

The purpose of this policy letter is to provide standards for Master Minimum Equipment List (MMEL) relief for Selective Call System (SELCAL).

DISCUSSION:

 

The SELCAL decoder monitors audio from the VHF and HF communications transceivers, recognizes receipt of the tone set assigned to the airplane, and provides the flight compartment with call alert signals. This policy is established to allow flight dispatch with the entire SELCAL System inoperative or with individual SELCAL Channels inoperative.

POLICY:

The standard MMEL format for SELCAL systems is provided below.

23 (COMMUNICATIONS)

 

 

 

 

21-X

Selective Call Systems (SELCAL)

C

-

0

(O) May be inoperative provided alternate procedures are established and used.

 

 

D

-

0

May be inoperative provided procedures do not require its use.

1)

Channels

C

-

0

(O) May be inoperative provided alternate procedures are established and used.

 

 

D

-

0

May be inoperative provided procedures do not require its use.

 

 

 

 

 

 

 

 

Flight Operations Evaluation Board (FOEB) Chairman should incorporate this Policy to applicable MMELs through the normal FOEB revision process.

 

Thomas K Toula,† Manager,

Air Transportation Division, AFS-200

 

 

PL-117 reformatted 01/20/2010 with no change in content.