Subpart
A--General 25.1 Applicability. Sec. 25.1 Applicability. (a) This part prescribes airworthiness standards for the
issue of type certificates, and changes to those
certificates, for transport category airplanes. (b) Each person who applies under Part 21 for such a
certificate or change must show compliance with the
applicable requirements in this part. Sec. 25.2 Special retroactive requirements. The following special retroactive requirements are
applicable to an airplane for which the regulations
referenced in the type certificate predate the sections
specified below-- (a) Irrespective of the date of application, each
applicant for a supplemental type certificate (or an
amendment to a type certificate) involving an increase in
passenger seating capacity to a total greater than that for
which the airplane has been type certificated must show that
the airplane concerned meets the requirements of: (1) Sections 25.721(d), 25.783(g), 25.785(c), 25.803(c)
(2) through (9), 25.803 (d) and (e), 25.807 (a), (c), and
(d), 25.809 (f) and (h), 25.811, 25.812, 25.813 (a), (b),
and (c), 25.815, 25.817, 25.853 (a) and (b), 25.855(a),
25.993(f), and 25.1359(c) in effect on October 24, 1967,
and (2) Sections 25.803(b) and 25.803(c)(1) in effect on
April 23, 1969. (b) Irrespective of the date of application, each
applicant for a supplemental type certificate (or an
amendment to a type certificate) for an airplane
manufactured after October 16, 1987, must show that the
airplane meets the requirements of Sec. 25.807(c)(7) in
effect on July 24, 1989. (c) Compliance with subsequent revisions to the sections
specified in paragraph (a) or (b) above may be elected in
accordance with Sec. 21.101(a)(2) of this chapter or may be
required in accordance with Sec. 21.101(b) of this
chapter. [Doc. No. 24344, Amdt. 25-72, 55 FR 29773, July 20,
1990]
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25.2 Special retroactive requirements.
General:
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