EASA Aviation Regulations: Key Concepts in Part-M, Part-145, and Part-66

Regulatory Framework and Definitions

Foundational Regulations and ICAO Links

Which EU Regulation establishes the basic rules for civil aviation safety (EASA Basic Regulation)?

Regulation (EU) 2018/1139 (C)

Which ICAO Annex covers Personnel Licensing?

Annex 1 (B)

Which EASA Part is based on ICAO Annex 6 (Operation of Aircraft)?

Part-ORO (Operations) (C)

Which EASA Part is based on ICAO Annex 8 (Airworthiness)?

Part-M (Continuing Airworthiness) (C)

Who issues Commission Regulations?

The European Parliament (C)

The word “Part” in EASA regulations stands for:

EU and EASA regulations (B)

Part-M, Part-145, Part-66, and Part-147 regulations primarily govern:

Continuing Airworthiness (C)

What are Certification Specifications (CS)?

Documents detailing acceptable means of compliance (B)

Personnel, Licensing, and Certification (Part-66)

Who is responsible for issuing Maintenance Engineers' Licenses (Part-66)?

National Aviation Authorities (NAA) (B)

Certifying Staff are defined as:

Personnel authorized to issue a Certificate of Release to Service (CRS) (A)

Certifying Staff for Commercial Air Transport (CAT) must comply with which Part?

Part-66 (B)

Can B1 and B2 license holders perform tasks outside their scope?

They may not (C)

The scope of a Part-145 certification authorization:

Must not exceed the scope of the license (A)

What defines a “minor scheduled task”?

Tasks similar to those already performed (B)

Part-145 Approved Maintenance Organizations (AMO)

Organizational Structure and Documentation

Which statement is correct regarding the Maintenance Organization Exposition (MOE)?

The MOE is required by Part-145 (B)

Where are the requirements for facilities found?

Part-145 (B)

The requirement for “Production Planning” is found in which Part?

Part-145 (B)

Where can you find the detailed procedures for Part-145 maintenance?

Maintenance Organization Exposition (MOE) (A)

Where can you find the list of certifying staff?

Maintenance Organization Exposition (MOE) (C)

The primary responsibility of a Part-145 organization's Accountable Manager is:

Ensuring all necessary resources are available (C)

A Part-145 approval is issued for:

Unlimited duration (C)

Maintenance Release and Reporting

Maintenance on commercial aircraft must be performed by:

A Part-145 Approved Maintenance Organization (AMO) (B)

Who issues the Certificate of Release to Service (CRS) for aircraft components?

Certifying Staff of the Part-145 organization (B)

What is the scope of a CRS issued by a Part-145 component workshop?

A CRS for the component only (A)

A CRS for an aircraft component is issued based on:

EASA Form 1 (A)

How long must maintenance records be kept?

Kept for 3 years (C)

A Part-145 AMO must report occurrences within what timeframe?

72 hours (C)

To whom must a Part-145 AMO report occurrences?

To the Type Certificate Holder (C)

Audit Findings

What constitutes a Level 2 finding in a Part-145 audit?

Hazards possibly affecting safety (B)

Continuing Airworthiness Management (Part-M/CAMO)

Responsibilities and Documentation

Who initially holds the responsibility for continuing airworthiness?

The Owner (C)

Who is responsible for Continuing Airworthiness Tasks (CAT) in commercial operations?

The Continuing Airworthiness Management Organization (CAMO) (C)

A Part-M CAMO organization must ensure maintenance is performed by:

An Airworthiness Part-145 organization (B)

Who makes the decision regarding installation or modification related to Continuing Airworthiness Tasks (CAT)?

CAMO (B)

For commercial air transport, the maintenance program must include:

Mandatory requirements (B)

How long must a CAMO retain aircraft log-book entries?

36 months (C)

Procedures for the revocation or suspension of airworthiness documents are found in:

Part-M, Section B (B)

Airworthiness Documents and Operational Requirements

Certificates and Directives

An Air Operator Certificate (AOC) is issued to:

The Operating Company (A)

Who issues the Certificate of Airworthiness (CofA)?

The Civil Registry (National Aviation Authority) (B)

Which document must accompany the aircraft during flight?

Certificate of Airworthiness (C)

Each aeroplane shall be maintained in accordance with the requirements of the:

Certificate of Airworthiness (B)

How long is an Airworthiness Review Certificate (ARC) valid?

1 Year (C)

What is an Airworthiness Directive (AD)?

A mandatory directive issued by EASA to restore safety (C)

Operational Minimums

The Minimum Equipment List (MEL) is the responsibility of the:

Operator (B)

Is operation outside the MEL permissible?

Yes, if included in the operational procedures (A)

Runway Visual Range (RVR) requirements for CAT II operations:

Higher than standard CAT II minimums (C)