Page 111 - UK Continuing Airworthiness Regulations (Consolidated) 201121

ANNEX I - Continuing Airworthiness Requirements
M.A.604 APP4 to AMC
20 November 2021
Maintenance organisation manual
1. Purpose
The maintenance organisation manual is the reference for all the work carried out by the
approved maintenance organisation. It should contain all the means established by the
organisation to ensure compliance with PartM or PartML according to the extent of
approval and the privileges granted to the organisation.
The maintenance organisation manual should define precisely the work that the approved
maintenance organisation is authorised to carry out and the subcontracted work. It should
detail the resources used by the organisation, its structure and its procedures.
2. Content
A typical Maintenance Organisation Manual for a small organisation (less than 10
maintenance staff) should be designed to be used directly on a day to day basis. The
working documents and lists should be directly included into the manual. It should contain
the following:
Part A. General
- Table of contents
- List of effective pages
- Record of amendments
- Amendment procedure
- Drafting
- Amendments requiring direct approval by the CAA
- Approval
- Distribution
- Name or title of each person holding a copy of the manual
- Accountable manager statement
- Approval of the manual
- Statement that the maintenance organisation manual and any incorporated
document identified therein reflect the organisation’s means of compliance
with PartM and PartML
- Commitment to work according to the manual
- Commitment to amend the manual when necessary
Part B Description
- Organisation’s scope of work
- Description of the work carried out by the organisation (type of product, type
of work) and subcontracted work
- Identification of the level of work which can be performed at each facility.
- General presentation of the organisation
- Legal name and social status
- Name and title of management personnel
- Accountable manager
- Senior managers
- Duties and responsibilities
- Organisation chart
- Certifying staff and airworthiness review staff
- Minimum qualification and experience
- List of authorised certifying staff and airworthiness review staff, their scope of
qualification and the personal authorisation reference
- Personnel
- Technical personnel (number, qualifications and experience)
- Administrative personnel (number)
- General description of the facility
- Geographical location (map)
- Plan of hangars
- Specialised workshops
- Office accommodation
- Stores
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