21.A.35 Flight Tests

(a) Flight testing for the purpose of obtaining a type-certificate shall be conducted in accordance with conditions for such flight testing specified by the CAA.

(b) The applicant shall make all flight tests that the CAA finds necessary:

1.  to determine compliance with the applicable type-certification basis and environmental protection requirements; and

2.  to determine whether there is reasonable assurance that the aircraft, its parts and appliances are reliable and function properly for aircraft to be certificated under this Annex I (Part 21), except for,

(i)  sailplanes and powered sailplanes;

(ii)  balloons and airships defined in ELA1 or ELA2;

(iii)  aeroplanes of 2722 kg or less maximum take-off mass (MTOM).

(c) (Reserved)

(d) (Reserved)

(e) (Reserved)

(f) The flight tests prescribed in point (b)(2) shall include:

1.  for aircraft incorporating turbine engines of a type not previously used in a type-certificated aircraft, at least 300 hours of operation with a full complement of engines that conform to a type-certificate; and

2.  for all other aircraft, at least 150 hours of operation.