471
Federal Aviation Administration, DOT
§ 26.5
as critical as the specific ice accretion de-
fined for that flight phase. Configuration dif-
ferences and their effects on ice accretions
must be taken into account.
(f) The ice accretion that has the most ad-
verse effect on handling qualities may be
used for airplane performance tests provided
any difference in performance is conserv-
atively taken into account.
[Amdt. 25–140, 79 FR 65528, Nov. 4, 2014]
PART 26—CONTINUED AIRWORTHI-
NESS AND SAFETY IMPROVE-
MENTS FOR TRANSPORT CAT-
EGORY AIRPLANES
Subpart A—General
Sec.
26.1
Purpose and scope.
26.3
[Reserved]
26.5
Applicability table.
Subpart B—Enhanced Airworthiness
Program for Airplane Systems
26.11
Electrical wiring interconnection sys-
tems (EWIS) maintenance program.
Subpart C—Aging Airplane Safety—
Widespread Fatigue Damage
26.21
Limit of validity.
26.23
Extended limit of validity.
Subpart D—Fuel Tank Flammability
26.31
Definitions.
26.33
Holders of type certificates: Fuel tank
flammability.
26.35
Changes to type certificates affecting
fuel tank flammability.
26.37
Pending type certification projects:
Fuel tank flammability.
26.39
Newly produced airplanes: Fuel tank
flammability.
Subpart E—Aging Airplane Safety—Dam-
age Tolerance Data for Repairs and
Alterations
26.41
Definitions.
26.43
Holders of and applicants for type cer-
tificates—Repairs.
26.45
Holders of type certificates—Alter-
ations and repairs to alterations.
26.47
Holders of and applicants for a supple-
mental type certificate—Alterations and
repairs to alterations.
26.49
Compliance plan.
A
UTHORITY
: 49 U.S.C. 106(g), 40113, 44701,
44702 and 44704.
S
OURCE
: Docket No. FAA–2004–18379, 72 FR
63409, Nov. 8, 2007, unless otherwise noted.
Subpart A—General
§ 26.1
Purpose and scope.
(a) This part establishes require-
ments for support of the continued air-
worthiness of and safety improvements
for transport category airplanes. These
requirements may include performing
assessments, developing design
changes, developing revisions to In-
structions for Continued Airworthiness
(ICA), and making necessary docu-
mentation available to affected per-
sons. Requirements of this part that
establish standards for design changes
and revisions to the ICA are considered
airworthiness requirements.
(b) Except as provided in paragraph
(c) of this section, this part applies to
the following persons, as specified in
each subpart of this part:
(1) Holders of type certificates and
supplemental type certificates.
(2) Applicants for type certificates
and supplemental type certificates and
changes to those certificates (including
service bulletins describing design
changes).
(3) Persons seeking design approval
for airplane repairs, alterations, or
modifications that may affect air-
worthiness.
(4) Holders of type certificates and
their licensees producing new air-
planes.
(c) An applicant for approval of a de-
sign change is not required to comply
with any applicable airworthiness re-
quirement of this part if the applicant
elects or is required to comply with a
corresponding amendment to part 25 of
this chapter that is adopted concur-
rently or after that airworthiness re-
quirement.
(d) For the purposes of this part, the
word ‘‘type certificate’’ does not in-
clude supplemental type certificates.
§ 26.3
[Reserved]
§ 26.5
Applicability table.
Table 1 of this section provides an
overview of the applicability of this
part. It provides guidance in identi-
fying what sections apply to various
types of entities. The specific applica-
bility of each subpart and section is
specified in the regulatory text.
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