21.A.451 Obligations and UKPA marking
SI No. 588/2023
(a) Each holder of a major repair design approval shall:
1. undertake the obligations:
(i) laid down in points 21.A.3A, 21.A.3B, 21.A.4, 21.A.5 to 21.A.8, 21.A.439, 21.A.441, and 21.A.443;
(ii) implicit in the collaboration with the type-certificate, supplemental type-certificate and with the APU UKTSO authorisation holder under point 21.A.433 (b), as appropriate.
2. specify the marking, including UKPA letters, in accordance with point 21.A.804(a).
(b) Except for type-certificate holders or APU authorisation holders for which point 21.A.44 applies, the holder of a minor repair design approval shall:
1. undertake the obligations laid down in points 21.A.4, 21.A.5 and 21.A.7; and
2. specify the marking, including UKPA letters, in accordance with point 21.A.804(a).