26.306 Fatigue-critical baseline structure

(a)A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1 January 2019, and certified to carry 30 passengers or more, or with a payload capacity of 3 402 kg (7 500 lb) or more, shall identify and list the fatigue-critical baseline structures (FCBS) for all aeroplane model variations and derivatives included in the TC or restricted TC.

(b)The holder of a TC or a restricted TC shall submit the list of the structures referred to in point (a) to the Agency before 26 August 2021, for approval.

(c)Upon approval of the list referred to in point (a) by the Agency, the holder of a TC or a restricted TC shall make it available to the holders of a STC or a major change approval that are required to comply with point 26.330, and to all known operators of such aeroplanes and, on request, to organisations responsible for the management of continuing airworthiness to support the operators that are required to comply with point 26.370.

(d)An applicant for a TC or a restricted TC, as referred to in Article 1(2), point (c), for a large aeroplane to be certified to carry 30 passengers or more, or with a payload capacity of 3 402 kg (7 500 lb) or more, shall identify and list the FCBS for all aeroplane model variations and derivatives included in the TC or restricted TC. It shall submit the list of these structures to the Agency before 26 August 2021, or before the issuance of the certificate, whichever occurs later, for approval.

(e)Upon approval of the list referred to in point (d) by the Agency, the applicant for a TC or a restricted TC, as referred to in Article 1(2), point (c), shall make it available to all known operators of such aeroplanes and, on request, to organisations responsible for the management of continuing airworthiness to support the operators that are required to comply with point 26.370.