Section 26.37

14 CFR Ch. I (1-1-19 Edition)

any necessary modification parts will
be made available to affected persons.
TABLE 2 - COMPLIANCE PLANNING DATES

STC and Field Approval Holders.

Flammability exposure analysis plan

Impact assessment plan

March 26, 2009 ......................

February 26, 2011 ..................

(g) Each person subject to this section 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]

Section 26.37 Pending
type
certification
projects: Fuel tank flammability.
(a) Applicability. This section applies
to any new type certificate for a transport category airplane, if the application 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 passenger 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]

Section 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 passenger and cargo versions of each
model, when application is made for
original certificates of airworthiness or
export airworthiness approvals after
December 27, 2010.
TABLE 1

spaschal on DSK3GDR082PROD with CFR

Model - Boeing
747
737
777
767

Series
Series
Series
Series

Design changes and service
instructions plan
August 26, 2011.

(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 located within the fuselage contour.
(3) The fuel tank exceeds a Fleet Average Flammability Exposure of 7 percent.
(c) All other fuel tanks that exceed
an Fleet Average Flammability Exposure 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 Appendix M to this part, except instead of
complying with paragraph M25.1 of
that appendix, the Fleet Average Flammability 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 Safety - Damage Tolerance Data
for Repairs and Alterations
SOURCE: Docket No. FAA-2005-21693, 72 FR
70505, Dec. 12, 2007, unless otherwise noted.

Section 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 increased 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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