Federal Aviation Administration, DOT

Section 25.3

to prevent a fire hazard from the accumulation of flammable oils and be included in the
instructions for continued airworthiness.
The ventilation system ducting must be protected by a flame arrestor. [NOTE: The applicant may find additional useful information
in Society of Automotive Engineers, Aerospace Recommended Practice 85, Rev. E, entitled  - Air Conditioning Systems for Subsonic Airplanes, -  dated August 1, 1991.]
(g) Means must be provided to contain
spilled foods or fluids in a manner that will
prevent the creation of a slipping hazard to
occupants and will not lead to the loss of
structural strength due to airplane corrosion.
(h) Cooktop installations must provide
adequate space for the user to immediately
escape a hazardous cooktop condition.
(i) A means to shut off power to the
cooktop must be provided at the galley containing the cooktop and in the cockpit. If additional switches are introduced in the cockpit, revisions to smoke or fire emergency
procedures of the AFM will be required.
(j) If the cooktop is required to have a lid
to enclose the cooktop there must be a
means to automatically shut off power to
the cooktop when the lid is closed.
15. Hand-Held Fire Extinguishers.
(a) For airplanes that were originally type
certificated with more than 60 passengers,
the number of hand-held fire extinguishers
must be the greater of - 
(1) That provided in accordance with the
requirements of Section 25.851, or
(2) A number equal to the number of originally type certificated exit pairs, regardless
of whether the exits are deactivated for the
proposed configuration.
(b) Extinguishers must be evenly distributed throughout the cabin. These extinguishers are in addition to those required by
paragraph 14 of this SFAR, unless it can be
shown that the cooktop was installed in the
immediate vicinity of the original exits.
16. Security. The requirements of Section 25.795 are
not applicable to airplanes approved in accordance with this SFAR.
[Doc. No. FAA-2007-28250, 74 FR 21541, May 8,
2009]

Subpart A - General

spaschal on DSK3GDR082PROD with CFR

Section 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.

Section 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 Section 25.807(c)(7) in effect on
July 24, 1989.
(c) Compliance with subsequent revisions to the sections specified in paragraph (a) or (b) of this section may be
elected or may be required in accordance with Section 21.101(a) of this chapter.
[Amdt. 25-72, 55 FR 29773, July 20, 1990, as
amended by Amdt. 25-99, 65 FR 36266, June 7,
2000]

Section 25.3 Special provisions for ETOPS
type design approvals.
(a) Applicability. This section applies
to an applicant for ETOPS type design
approval of an airplane:
(1) That has an existing type certificate on February 15, 2007; or
(2) For which an application for an
original type certificate was submitted
before February 15, 2007.
(b) Airplanes with two engines. (1) For
ETOPS type design approval of an airplane up to and including 180 minutes,
an applicant must comply with
Section 25.1535, except that it need not comply
with the following provisions of Appendix K, K25.1.4, of this part:

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