3.4.5 Liaison functions
The AID should:
a) prepare and distribute advisory material to the aviation industry concerning airworthiness practices and procedures, where such advice does not warrant mandatory action but may still make a significant contribution to flight safety;
b) provide advice and recommendations in other areas of CAA responsibility, such as shipment of airworthiness-related dangerous goods, certification of operators and on other technical matters relating to aviation techniques, flight operations and aeronautical engineering as may be required;
c) assist, when requested, in the investigation of aircraft accidents;
d) participate in type certification board activities;
e) prepare and distribute to the public, documents containing all issued airworthiness directives;
f) confer with other national authorities on matters relating to maintenance and operations; and
g) investigate possible violations of the national air law or regulations in regard to airworthiness support of legal or other corrective action.
3.4.6 Aid technical library and records
3.4.6.1 To enable airworthiness personnel to keep up to date with technical and regulatory issues relating to design, maintenance and operation of aircraft, it is essential to establish a properly organized and administered technical library. Arrangements should be made with each State of Design for an automatic supply of the documents related to the airworthiness of aircraft on the State’s registry. The library should also be provided with (or have access to) all documents issued by ICAO relating to operations and airworthiness of aircraft. It is important that all documents in the library be promptly amended and kept up to date. This assists airworthiness staff in determining whether or not mandatory modifications, inspections and repairs approved by the State of Design are carried out before the work is certified by the authorised personnel of the operator, or of an approved organization, or by licensed personnel.
3.4.6.2 The CAA will need to keep files for each aircraft registered in the State. The files should contain records detailing applications for the Certificates of Registration and Airworthiness, copies of supporting documents, copies of certificates issued, the maintenance programme approved for the aircraft, together with any other information relevant to the airworthiness of the aircraft.
3.4.6.3 The data can be held in paper or electronic form. Data can be considered to be available if provided by the internet. Manufacturers generally ensure that data made available on the internet is fully amended and up-to-date. However, means will need to be provided to ensure that the data continues to be available if the manufacturer ceases to support the internet documents, or the internet data is temporarily unavailable (such as retaining some data on paper or CDs). There will also need to be a procedure in place to provide changes in the information to users. The information will need to be made available in a format suitable for use, for example, electronic format may be necessary to update some user products, and paper based books may be essential for some uses.
PART III.— ANNEX 8 – AIRWORTHINESS OF AIRCRAFT,
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