Doc 9760

AIRWORTHINESS MANUAL

Notice to Users
This document is an unedited advance version of an ICAO publication as approved, in principle, by the Secretary General, which is rendered available to the public for convenience. The final edited version may still undergo alterations in the process of editing. Consequently, ICAO accepts no responsibility or liability of any kind should the final text of this publication be at a variance from that appearing here.

Advance second edition (unedited)

Foreword
1.
The Airworthiness Manual was first published in 2001 and contains a consolidation of airworthiness-related information previously found in other ICAO documents. As a result, the first edition of the Airworthiness Manual replaced the following ICAO documents: the Continuing Airworthiness Manual (Doc 9642), Airworthiness Technical Manual (Doc 9051), and the Manual of Procedures for an Airworthiness Organization (Doc 9389).

2.
This edition of the Airworthiness Manual was developed from material previously found in the 2001 edition. The content was reviewed, edited, and expanded on by the Airworthiness Panel during several working group meetings from 2003 to 2007. It incorporates changes to Annex 8 — Airworthiness of Aircraft, and to Annex 6 — Operation of Aircraft. The content also responds to the request from the ICAO Universal Safety Oversight Audit Programme for additional guidance to States in how to meet their airworthiness responsibilities under the Convention. A new chapter on Production was also added.

3.
The breadth and depth of the guidance material provided in this manual has been intentionally limited to keep its size manageable. In order to avoid specific references to material that may become dated, it was decided instead to provide a listing of potential sources of additional, and more detailed, information on the subjects covered in this manual. 

4.
Although this manual provides guidance on the suggested content of various State airworthiness regulations, no attempt has been made to formulate specific regulations. It is recognized, however, that a number of States, particularly those which are still in the early stages of establishing an effective civil aviation organization, do require assistance in developing a body of appropriate airworthiness regulations. In recognition of this need, the Manual of Model Regulations for National Control of Flight Operations and Continuing Airworthiness of Aircraft (Doc 9388) has been developed to assist States in the development of regulations suitable for their needs and which, if implemented, would fulfil their obligations under the Convention.

5.
It is recognized that in some cases it may not be feasible for a State, due to the limited scale of aviation operations or lack of technical and economic resources, to establish and maintain the full airworthiness organization it needs to meet its international obligations. This problem may be particularly acute for some States in respect of their obligation to assess and approve or disapprove the maintenance programme of an operator utilizing large and complex aircraft. A State finding itself in this position should not in any way diminish the stringency of its regulations; however, it is essential that the State either enter into an agreement with another Contracting State to assist it with the detailed tasks, or obtain the services, on a temporary basis, of qualified inspectors from a State fully experienced in the matter in question. The ICAO Regional Office accredited to the State may be of assistance to the State in working out cooperative inspection arrangements.

6.
It is also recognized that a group of States may elect to discharge their responsibilities through a multinational organization or agency. It is essential that the related agreements clearly define the respective functions of each national authority and the multinational organization or agency, so as to ensure that all obligations of the States are fully discharged.
　
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