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ANNEX 8 fir) 13/1U07
Annex 8 -Airworthiness of Aircrafl Foreword
the Airworthiness Committee, consisting of airworthiness
experts with broad experience and selected from those
Contracting States and International Organizations willing to
contribute.
Present policy on international airworthiness. There had
been some concern about the slow progress that had been
made over the years with respect to developing supplementary
airworthiness specifications in the form of Acceptable Means
of Compliance. It was noted that the majority of the Acceptable
Means of Compliance in Annexes 6 and 8 had been
developed in 1957 and were therefore applicable to only those
aeroplane types operating at that time. No effort had been
made to update the specifications in these Acceptable Means
of Compliance nor had there been any recommendations from
the Airworthiness Committee for upgrading of any of the
Provisional Acceptable Means of Compliance, which had been
developed as potential material for full-fledged Acceptable
Means of Compliance. The Air Navigation Commission
therefore requested the Airworthiness Committee to review the
progress made by it since its inception with a view to determining
whether or not desired results had been achieved and
to recommend any changes to improve the development of
detailed airworthiness specifications.
The Airworthiness Committee at its Ninth Meeting
(Montreal, November/December 1970) made a detailed study
of the problems and recommended that the concept of
developing airworthiness specifications in the form of Acceptable
Means of Compliance and Provisional Acceptable Means
of Compliance be abandoned and a provision be made for an
airworthiness technical manual to be prepared and published
by ICAO to include guidance material intended to facilitate the
development and uniformity of national airworthiness codes
by Contracting States.
The Air Navigation Commission reviewed the recommendations
of the Airworthiness Committee in the light of the
history of the development of the airworthiness policy
approved by the Council in 1956. It came to the conclusion
that the basic objectives and principles on which the ICAO
airworthiness policy had been based were sound and did not
require any significant change. It was also concluded that the
main reason for the slow progress in the development of
airworthiness specifications in the form of Acceptable Means
of Compliance and Provisional Acceptable Means of Compliance
was the degree of mandatory status to the former
implied by the following statement included in the Forewords
of the Fourth and Fifth Editions of Annex 8:
"To adopt a code giving an appreciably lower
level of airworthiness than that given in an
Acceptable Means of Compliance would be a
violation of the Standard supplemented by that
Acceptable Means of Compliance."
Several approaches were examined by the Air Navigation
Commission to eliminate this difficulty. Finally, it came to the
conclusion that the idea of developing airworthiness specifications
in the form of Acceptable Means of Compliance and
Provisional Acceptable Means of Compliance should be abandoned
and ICAO should declare that the States' obligations,
for the purpose of Article 33 of the Convention, shall be met
by their compliance with the broad Standards in Annex 8
supplemented, as necessary, by airworthiness technical guidance
material, devoid of all mandatory implications or obligations.
Also the requirement that each Contracting State should
either establish its own comprehensive and detailed code of
airworthiness or select a comprehensive and detailed code
established by another Contracting State should be retained.
The Council on 15 March 1972 approved the above
approach to form the basis for the present policy of ICAO
in the field of airworthiness. According to this policy:
a) the obiective of international airworthiness Standards is
to define, for application by the competent national
authorities. the minimum level of airworthiness constituting
the international basis for the recognition by
States, under Article 33 of the Convention, of certificates
of airworthiness for the purpose of the flight of
aircraft of other States into or over their territories,
thereby achieving, among other things, protection of
other aircraft, third parties and property;
b) the Standards developed to meet the objective stated in
a) are considered by the Council as meeting, in the
necessary scope and detail, the obligations of the Organization
under Article 37 of the Convention to adopt
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附件8--航空器适航性 Airworthiness of Aircraft(7)
