Unscoped DCT Report (Standard DCT)


MLF Label: 4.4.5 (AW) Weight and Balance DCT Type: ED DCT Specialty: Airworthiness Peer Group: A - Part 121 Air Operators DCT Revision: 12.0 on 06/25/20 (Released)
Summary Information

Purpose (Certificate Holder Responsibility): To accurately maintain the aircraft weight, center of gravity, and the associated records through an approved weight and balance control program.
Objective (FAA Responsibility): Determine if the CH will be able to; (1) Comply with regulations; (2) Accurately maintain the aircraft weight, center of gravity, and the associated records.

The (AW) Weight and Balance Element includes the following System(s) and Subsystem(s)

Questions Answers Comments
  4.4.5 (AW) Weight and Balance
1   
Does the process design ensure the individual with responsibility provides both financial and human resources for the safety and quality performance of this element?


REFERENCES: 5.23(a), 5.25(a), 5.25(b), 5.25(c), 5.21

Safety Attribute: Management Responsibility,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:45 PM, 

QID:
 00051915, Response Details: Responsibility ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
2   
Is the person with authority clearly identifiable, qualified and knowledgeable to effectively plan, direct and control resources, change procedures and make key determinations including safety risk acceptance decisions for this element?


REFERENCES: 5.23(a), 5.23(b), 5.25(c)

Safety Attribute: Management Authority,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051916, Response Details: Authority ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
3   
Do process measurement(s) exist to evaluate the performance of this element and implement corrective action if necessary?


REFERENCES: 5.75, 5.71, 5.73

Safety Attribute: Process Measurement,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051917, Response Details: Process Measurement ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
4   
Do the procedures require aircraft to be weighed at the prescribed intervals per OpSpec E096?


REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, AC-120-27

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) ,  Rev.  3  1/25/2016 2:39:51 PM, 

QID:
 00003821, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
5   
Do the weight and balance procedures specify how to determine the requirements for calibration of aircraft scales?


REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, AC-120-27, 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "E096" ) ,  Rev.  3  6/25/2020 9:58:26 AM, 

QID:
 00006131, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
6   
Do the procedures specify pre-weighing instructions and requirements?


REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, AC-120-27, 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "E096" ) ,  Rev.  3  6/25/2020 9:58:27 AM, 

QID:
 00006132, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
7   
Does the weight and balance program require that the certificate holder develop and submit for approval a program that includes procedures for:

      #1 Ensuring the source data used to develop the program is identified;
      #2 Ensuring aircraft are configured according to approved data;
      #3 Establishing and maintaining basic operating weight equipment lists for each aircraft;
      #4 Maintaining the aircraft weight and center of gravity within approved limits;
      #5 Ensuring weight and balance controls are consistent with the OpSpec; and
      #6 .Identifying that any current and future changes to the weight and balance controls require FAA approval?

REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, 119.49(a), 119.49(b), 121.135(b), 121.153(b), 91.9(a), 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  3  6/25/2020 9:58:48 AM, 

QID:
 00006133, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
8   
Do the procedures specify recording the:

      #1 Type and serial number of each scale used;
      #2 Airplane weight and residual fluids; and
      #3 Scale tare weights?

REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, E096, 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "E096" ) ,  Rev.  3  6/25/2020 9:58:28 AM, 

QID:
 00006136, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
9   
Do the weight and balance procedures specify how to establish and maintain the following information for individual or fleet aircraft:

      #1 The empty weight and center of gravity;
      #2 Initial and periodic reweighing of aircraft; and
      #3 Revised criteria when a repair or alteration affects the aircraft weight and balance?

REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, E096, 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "E096" ) ,  Rev.  3  6/25/2020 9:58:28 AM, 

QID:
 00006140, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
10   
Do the procedures specify how to amend the weight and balance program for leased aircraft?


REFERENCES: 8900.1 Vol 3 Ch 46 Sec 1, E096

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "E096" ) AND ( OPSPEC = "D080" ) ,  Rev.  2  5/21/2014 10:29:03 PM, 

QID:
 00006144, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
11   
Do the procedures include instructions for completing all weight and balance forms and records?


REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, 121.135(b), 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "E096" ) ,  Rev.  3  6/25/2020 9:58:29 AM, 

QID:
 00006145, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
12   
Does the certificate holder have a training program for personnel involved with weight and balance calculations?


REFERENCES: 8900.1 Vol 3 Ch 47 Sec 1, 8900.1 Vol 3 Ch 47 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" OR "135") ,  Rev.  2  6/25/2020 9:58:46 AM, 

QID:
 00048753, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
13   
Do procedures exist in enough detail to meet the regulatory and guidance requirements for this element to produce the intended results?


Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  1  3/13/2018 11:30:19 AM, 

QID:
 00051912, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
14   
Do controls exist within this element that ensure risks are reduced to an acceptable level?


REFERENCES: 5.51, 5.53, 5.55

Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:45 PM, 

QID:
 00051913, Response Details: Controls ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
15   
Does the certificate holder have a method to evaluate the impact of changes on related processes (interfaces) for this element?


Safety Attribute: Interfaces,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:45 PM, 

QID:
 00051914, Response Details: Interfaces ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
16   
Does the process design require that individuals understand their safety role and how it contributes to the safety performance of this element?


REFERENCES: 5.23(a), 5.91, 5.93

Safety Attribute: Safety Ownership,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:46 PM, 

QID:
 00051918, Response Details: Safety Ownership ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No


Response Details List  EP & ED DCTs (Both OP and AW) (Released, 1.0)
1 Unclear procedure(s)
2 Conflicting procedure(s)
3 Used workaround(s)
4 Skipped process step(s)
5 Personnel failed to follow process (procedures, guidance, etc)
6 Procedures/guidance not available
7 Procedures/guidance not current
8 Inconsistent procedure(s)
9 Undocumented procedure(s)
10 Minor typographical error(s) (i.e. record entries)
11 Information missing
12 Communication failure(s)
13 Personnel failed to perform task
14 Process failed to meet desired outcome
15 Process oversight failure
16 Equipment/tools not available
17 Equipment/tools not adequate
18 Equipment/tools not calibrated
19 Facilities not adequate
20 Other
Response Details List  N/A Response Detail (Released, 2.0)
1 Not applicable or authorized for the certificate holder or applicant
2 Other
Response Details List  Controls ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Failure to identify hazards or ineffective risk controls
2 Failure to develop and maintain risk controls
3 Failure to effectively mitigate risk before applying risk controls
4 Risk controls ineffective
5 Unclear risk controls
6 Failure to assess risk for a new system
7 Failure to assess risk when revising an existing system
8 Failure to assess risk when developing operational procedures
9 Failure to maintain records of outputs of risk control assessments
10 Other
Response Details List  Interfaces ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Internal communication failure(s)
2 External communication failure(s)
3 Lack of interfaces
4 Inconsistent interfaces
5 Poor coordination between departments and employees
6 Failure of interfaces between processes or procedures
7 Other
Response Details List  Responsibility ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Failed to provide financial resources
2 Failed to provide sufficient human resources
3 Individual not clearly identified
4 Failure to ensure safety of process
5 Failure to oversee operations conducted under the certificate
6 Failed to ensure quality performance of process
7 Process oversight failure
8 Communication failure(s)
9 Other
Response Details List  Authority ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Process oversight failure
2 Unacceptable safety risk acceptance
3 Ineffective planning of resources
4 Ineffective use of resources
5 Ineffective control of resources
6 Failure to implement safety risk processes
7 Process owner not clearly identified
8 Unqualified
9 Other
Response Details List  Process Measurement ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Inadequate monitoring of operations processes
2 Ineffective evaluations of processes or systems
3 Undocumented or insufficient investigations
4 Failure to conduct audits
5 Ineffective audits
6 Failure to detect changes in the operational environment
7 Personnel failed to perform/follow process (procedures, guidance, etc.)
8 Process failed to meet desired outcome
9 Process oversight failure
10 Other
Response Details List  Safety Ownership ED/EP/SP DCTs (Both OP and AW) (Released, 3.0)
1 Unaware of or ineffective safety policies or processes
2 Unaware of or ineffective safety related reporting tools
3 Unclear safety policy
4 Ineffective safety related training
5 Lack of safety culture
6 Unclear safety objectives
7 Other