Podcast
Questions and Answers
Which items are automatically required to be operative in an aircraft?
Which items are automatically required to be operative in an aircraft?
- Items affecting airworthiness not in the MEL (correct)
- Items not affecting airworthiness
- Entertainment systems
- Items included in the MEL
What is the primary document used as a basis for preparing the MEL?
What is the primary document used as a basis for preparing the MEL?
- Aircraft safety regulations
- Master Minimum Equipment List (MMEL) (correct)
- Flight operational specifications
- Aircraft maintenance manual
What must an operator specify in the preamble of the MEL?
What must an operator specify in the preamble of the MEL?
- Provisions for emergency procedures
- Philosophy for invoking the MEL (correct)
- A summary of airworthiness requirements
- Operational specifications of the aircraft
What is the rectification interval for defects in Category ‘B’ items?
What is the rectification interval for defects in Category ‘B’ items?
Which of the following statements about MEL preparation is FALSE?
Which of the following statements about MEL preparation is FALSE?
What is a critical aspect of customizing the MEL by the operator?
What is a critical aspect of customizing the MEL by the operator?
What must be ensured about the MMEL before preparing the MEL?
What must be ensured about the MMEL before preparing the MEL?
In the context of the MEL, what does Category 'A' refer to?
In the context of the MEL, what does Category 'A' refer to?
What is the responsibility of the RAO after a MEL is scrutinized by the Airworthiness office or FOI?
What is the responsibility of the RAO after a MEL is scrutinized by the Airworthiness office or FOI?
Within what time frame must a proposed revision to the MEL be submitted for approval after the MMEL revision date?
Within what time frame must a proposed revision to the MEL be submitted for approval after the MMEL revision date?
What does the acronym MEL stand for in this context?
What does the acronym MEL stand for in this context?
What document must be carried onboard the aircraft as part of the Operations Manual related to the MEL?
What document must be carried onboard the aircraft as part of the Operations Manual related to the MEL?
What should the operator include in their Continuing Airworthiness Management Exposition (CAME) regarding the MEL?
What should the operator include in their Continuing Airworthiness Management Exposition (CAME) regarding the MEL?
What happens if an aircraft is dispatched with multiple inoperative items according to the guidelines?
What happens if an aircraft is dispatched with multiple inoperative items according to the guidelines?
What is required for temporary revisions to the MEL for similar configured aircraft?
What is required for temporary revisions to the MEL for similar configured aircraft?
Who is responsible for ensuring that no aircraft is dispatched with multiple inoperative items?
Who is responsible for ensuring that no aircraft is dispatched with multiple inoperative items?
What must the operator provide for MEL items not included in the MMEL?
What must the operator provide for MEL items not included in the MMEL?
What is required for the MEL to comply with the MMEL?
What is required for the MEL to comply with the MMEL?
Which items must the operator submit alongside the MEL for approval?
Which items must the operator submit alongside the MEL for approval?
What should be included in the MEL according to the preparation guidelines?
What should be included in the MEL according to the preparation guidelines?
What does the abbreviation 'RAO' stand for in the context of MEL approval?
What does the abbreviation 'RAO' stand for in the context of MEL approval?
What is an operator required to submit regarding the consultation process for MEL preparation?
What is an operator required to submit regarding the consultation process for MEL preparation?
Which of the following items must be included in the preamble of the MEL?
Which of the following items must be included in the preamble of the MEL?
What documentation revision must the operator ensure is indicated on the MEL?
What documentation revision must the operator ensure is indicated on the MEL?
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Study Notes
General Overview
- Certain items, primarily those unrelated to airworthiness, such as galley equipment and entertainment systems, are not included in the Minimum Equipment List (MEL).
- All items impacting aircraft airworthiness or passenger safety not listed in the MEL must be operative.
Framing of MEL
- Operators must prepare the MEL based on the Master Minimum Equipment List (MMEL), ensuring all revisions are current and approved by regulatory authorities.
- The MEL must be customized considering the specific aircraft's operational specifications, configuration, modifications, and relevant regulations.
- Deviation from the flight manual limitations, emergency procedures, or DGCA airworthiness requirements is prohibited unless explicitly allowed by DGCA.
MEL Category Definitions
- Category ‘A’: Items must be repaired within a specified time frame indicated in the MEL.
- Category ‘B’: Items must be repaired within three consecutive calendar days, not counting the day the malfunction was documented.
- Explanations of 'O' & 'M' items, ETOPS, RVSM, and additional comments on MEL items are required in the MEL's preamble.
Regulatory Requirements
- Relevant regulatory equipment and procedures, such as TCAS, GPWS, CVR, DFDR, and emergency escape path lighting, must be included in the MEL based on applicable regulations.
- A list of these MEL items must be submitted to the local Airworthiness Office.
Approval Process
- MEL and MMEL copies (in duplicate) must be submitted to the Regional Airworthiness Office (RAO) for approval, ensuring compliance with the latest MMEL revision.
- The RAO will forward the MEL to a Field Operations Inspector (FOI) for operational scrutiny after airworthiness review.
- Any deficiencies identified must be addressed by the operator before approval.
- Once satisfied that the MEL meets regulatory standards, the RAO will approve it and inform DGCA headquarters.
Revisions and Updates
- Revisions to the MEL require following the same approval process and must be submitted within 90 days of the MMEL revision date.
- Temporary revisions can extend MEL applicability to similar aircraft configurations without additional approval; however, any changes in MEL items require approval.
Use of MEL
- Operators must describe the procedure for urgent revocation of the MEL in their Continuing Airworthiness Management Exposition (CAME).
- The Continuing Airworthiness Manager is responsible for ensuring no aircraft is dispatched with multiple inoperative items, which could overwhelm the crew, necessitating crew consultation in such instances.
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