481
Federal Aviation Administration, DOT
§ 26.41
any necessary modification parts will
be made available to affected persons.
T
ABLE
2—C
OMPLIANCE
P
LANNING
D
ATES
Flammability exposure anal-
ysis plan
Impact assessment plan
Design changes and service
instructions plan
STC and Field Approval Hold-
ers.
March 26, 2009 ......................
February 26, 2011 ..................
August 26, 2011.
(g) Each person subject to this sec-
tion must implement the compliance
plans, or later revisions, as approved
under paragraph (f) of this section.
[Doc. No. FAA–2005–22997, 73 FR 42499, July
21, 2008, as amended by Amdt. 26–3, 74 FR
31619, July 2, 2009; Doc. No. FAA–2018–0119,
Amdt. 26–7, 83 FR 9170, Mar. 5, 2018]
§ 26.37
Pending type certification
projects: Fuel tank flammability.
(a)
Applicability. This section applies
to any new type certificate for a trans-
port category airplane, if the applica-
tion was made before December 26,
2008, and if the certificate was not
issued before December 26, 2008. This
section applies only if the airplane
would have—
(1) A maximum type-certificated pas-
senger capacity of 30 or more, or
(2) A maximum payload capacity of
7,500 pounds or more.
(b) If the application was made on or
after June 6, 2001, the requirements of
14 CFR 25.981 in effect on December 26,
2008, apply.
[Doc. No. FAA–2005–22997, 73 FR 42499, July
21, 2008, as amended by Amdt. 26–3, 74 FR
31619, July 2, 2009]
§ 26.39
Newly produced airplanes: Fuel
tank flammability.
(a)
Applicability: This section applies
to Boeing model airplanes specified in
Table 1 of this section, including pas-
senger and cargo versions of each
model, when application is made for
original certificates of airworthiness or
export airworthiness approvals after
December 27, 2010.
T
ABLE
1
Model—Boeing
747 Series
737 Series
777 Series
767 Series
(b) Any fuel tank meeting all of the
criteria stated in paragraphs (b)(1),
(b)(2) and (b)(3) of this section must
have flammability reduction means
(FRM) or ignition mitigation means
(IMM) that meet the requirements of 14
CFR 25.981 in effect on December 26,
2008.
(1) The fuel tank is Normally
Emptied.
(2) Any portion of the fuel tank is lo-
cated within the fuselage contour.
(3) The fuel tank exceeds a Fleet Av-
erage Flammability Exposure of 7 per-
cent.
(c) All other fuel tanks that exceed
an Fleet Average Flammability Expo-
sure of 7 percent must have an IMM
that meets 14 CFR 25.981(d) in effect on
December 26, 2008, or an FRM that
meets all of the requirements of Appen-
dix M to this part, except instead of
complying with paragraph M25.1 of
that appendix, the Fleet Average Flam-
mability Exposure may not exceed 7
percent.
[Doc. No. FAA–2005–22997, 73 FR 42499, July
21, 2008, as amended by Amdt. 26–3, 74 FR
31619, July 2, 2009]
Subpart E—Aging Airplane Safe-
ty—Damage Tolerance Data
for Repairs and Alterations
S
OURCE
: Docket No. FAA–2005–21693, 72 FR
70505, Dec. 12, 2007, unless otherwise noted.
§ 26.41
Definitions.
Affects (or Affected) means structure
has been physically repaired, altered,
or modified, or the structural loads
acting on the structure have been in-
creased or redistributed.
Baseline structure means structure
that is designed under the original type
certificate or amended type certificate
for that airplane model.
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