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ICAO Circular 328-AN/190 27
6.12 Article 31 of the Chicago Convention requires that every civil aircraft engaged in international aviation be
issued a Certificate of Airworthiness by the State of Registry.
6.13 Article 33 states Certificates of Airworthiness must be based on compliance with at least the minimum
international (airworthiness) Standards established by Annex 8. Where there is a failure to comply with international
airworthiness requirements, the Certificate of Airworthiness must be properly annotated on those areas of failure.
6.14 Annex 8 requires the following:
a) that the State of Design provide evidence of an approved type design by issuing a Type Certificate;
b) that an aircraft be produced in a controlled manner that ensures conformity to its approved type
design;
c) that a Certificate of Airworthiness be issued by the State of Registry based on satisfactory evidence;
d) that the aircraft comply with the design aspects of the appropriate airworthiness requirements; and
e) that the State of Design, State of Registry and the type certificate holder collaborate in maintaining the
continuing airworthiness of the aircraft.
6.15 The following is a general (non-inclusive) summary of the different design aspects contained in Annex 8 for
manned aeroplanes and helicopters, engines and propellers:
a) unsafe features or characteristics;
b) flight characteristics;
c) structural strength and other characteristics;
d) design and construction;
e) powerplant and installation;
f) rotor and power transmission (for helicopters);
g) instruments;
h) systems and equipment;
i) operating limitations and information;
j) systems software;
k) crashworthiness and cabin safety;
l) operating environment and Human Factors;
m) tests and inspections; and
n) security (for large aeroplanes only).