What is the deadline for a TC holder to submit the fatigue-critical baseline structures list to the Agency under point 26.306?

The holder of a TC or restricted TC shall submit the list of fatigue-critical baseline structures to the Agency before 26 August 2021, for approval.

Which regulation is the source of point 26.306 requirements?

The regulation is (EU) 2024/2954, as indicated in the section text.

Are FCBS lists required for all aeroplane model variations and derivatives included in the TC?

Yes, the holder or applicant shall identify and list the fatigue-critical baseline structures for all aeroplane model variations and derivatives included in the TC or restricted TC, as per points (a) and (d).

What is the payload capacity threshold that triggers the FCBS listing requirement?

The payload capacity threshold is 3 402 kg (7 500 lb) or more, as specified in points (a) and (d) of point 26.306.

Does point 26.306 apply to aeroplanes with TC applications submitted after 1 January 2019?

No, point 26.306(a) applies only to large aeroplanes for which the application for a TC was submitted before 1 January 2019. However, point (d) covers applicants under Article 1(2)(c) for large aeroplanes meeting the passenger or payload criteria.

Who are the recipients of the FCBS list after approval, according to point 26.306(c)?

The recipients are holders of an STC or a major change approval required to comply with point 26.330, all known operators of such aeroplanes, and on request, organisations responsible for the management of continuing airworthiness to support operators required to comply with point 26.370.

What is the certification date threshold for large aeroplanes under point 26.306(a)?

The aeroplane must be certified on or after 1 January 1958, as stated in point 26.306(a).

For an applicant under Article 1(2)(c), what happens if the certificate is issued after 26 August 2021?

The applicant shall submit the FCBS list before the issuance of the certificate, whichever occurs later, meaning the deadline is the certificate issuance date if it is after 26 August 2021.

Are STC holders required to receive the FCBS list under point 26.306?

Yes, STC holders that are required to comply with point 26.330 must receive the list, as specified in point 26.306(c).

What is the minimum passenger capacity for a large aeroplane to be subject to point 26.306?

The minimum passenger capacity is 30 passengers or more, as specified in points (a) and (d).

What is the role of the Agency in the FCBS process under point 26.306?

The Agency approves the FCBS list submitted by the TC holder or applicant, as stated in points (b), (d), and (e).

Are there any applicability date provisions in point 26.306 that take effect on or after 2026-04-30?

No, point 26.306 does not state any applicability date on or after 2026-04-30; the deadlines are fixed at 26 August 2021 or certificate issuance.

What is the difference between the obligations of a TC holder and an applicant under point 26.306?

A TC holder under point (a) must submit the list before 26 August 2021, while an applicant under point (d) must submit before 26 August 2021 or before certificate issuance, whichever is later. Both must make the approved list available to operators and, on request, to continuing airworthiness organisations.

26.306 Fatigue-critical baseline structure

Q: Which large aeroplanes require the identification and listing of fatigue-critical baseline structures under point 26.306?

Large aeroplanes 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, require the identification and listing of fatigue-critical baseline structures.

Q: After Agency approval of the FCBS list, who must the TC holder make it available to?

The TC holder must make the approved list available to holders of an 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 operators required to comply with point 26.370.

Q: For an applicant for a TC under Article 1(2)(c), what is the submission deadline for the FCBS list?

The applicant shall submit the list of fatigue-critical baseline structures to the Agency before 26 August 2021, or before the issuance of the certificate, whichever occurs later, for approval.

Q: Does point 26.306 apply to applicants for a TC for large aeroplanes certified to carry fewer than 30 passengers?

No, point 26.306 applies only to large aeroplanes certified to carry 30 passengers or more, or with a payload capacity of 3 402 kg (7 500 lb) or more, as stated in points (a) and (d).

Q: What must an applicant for a TC do after the Agency approves the FCBS list under point 26.306(e)?

The applicant shall make the approved list 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.

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26.306 Fatigue-critical baseline structure

Regulation (EU) 2024/2954

(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.

Details

Source-Title: 26.306 Fatigue-critical baseline structure View latest amendments

Erulesid: ERULES-1963177438-17877 Compare versions

Domain: Additional airworthiness specifications

Applicabilitydate: 22 December, 2024

Entryintoforcedate: 22 December, 2024

Regulatorysource: Regulation (EU) 2024/2954 Navigate

Regulatorysubject: Part-26, CS-26

Typeofcontent: IR (Implementing rule)

Origin: EASA

Category: EAR

26.306 Fatigue-critical baseline structure

Details

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