H25.4 Airworthiness Limitations Section
(a) The Instructions for Continued
Airworthiness must contain a section titled Airworthiness Limitations that is
segregated and clearly distinguishable from the rest of the document. This
section must set forth -
(1) Each mandatory modification time, replacement
time, structural inspection interval, and related structural inspection
procedure approved under CS 25.571;
(2) Each mandatory replacement time,
inspection interval, related inspection procedure, and all the critical design
configuration control limitations approved under CS 25.981
for the fuel tank system.
(3) Any mandatory replacement time of EWIS
components as defined in CS 25.1701 (see AMC Appendix H 25.4(a)(3)).
(4) A limit of validity (LOV) of the
engineering data that supports the structural maintenance programme, stated as
a total number of accumulated flight cycles or flight hours or both, approved
under CS 25.571. Until the full-scale fatigue testing is
completed and the LOV is approved, the Airworthiness Limitations Section must
specify an interim limitation restricting aircraft operation to not more than
half the number of the cycles accumulated on the fatigue test article.
(5) Each Certification Maintenance Requirement
established to comply with any of the applicable requirements of CS-25 (see AMC 25-19).
(6) Each mandatory replacement time,
inspection interval, and related inspection and test procedure, and each
critical design configuration control limitation for each lightning protection
feature approved under CS 25.954.
(b) If the Instructions for Continued
Airworthiness consist of multiple documents, the section required by this
paragraph must be included in the principal manual. This section must contain
a legible statement in a prominent location that reads: ‘The Airworthiness
Limitations Section is approved and variations must also be approved’.
[Amdt
25/5]
[Amdt
25/19]
[Amdt
25/20]
[Amdt
25/26]
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