844
14 CFR Ch. I (1–1–19 Edition)
§ 39.27
§ 39.27
What do I do if the airworthi-
ness directive conflicts with the
service document on which it is
based?
In some cases an airworthiness direc-
tive incorporates by reference a manu-
facturer’s service document. In these
cases, the service document becomes
part of the airworthiness directive. In
some cases the directions in the service
document may be modified by the air-
worthiness directive. If there is a con-
flict between the service document and
the airworthiness directive, you must
follow the requirements of the air-
worthiness directive.
PART 43—MAINTENANCE, PREVEN-
TIVE MAINTENANCE, REBUILD-
ING, AND ALTERATION
Sec.
43.1
Applicability.
43.2
Records of overhaul and rebuilding.
43.3
Persons authorized to perform mainte-
nance, preventive maintenance, rebuild-
ing, and alterations.
43.5
Approval for return to service after
maintenance, preventive maintenance,
rebuilding, or alteration.
43.7
Persons authorized to approve aircraft,
airframes, aircraft engines, propellers,
appliances, or component parts for re-
turn to service after maintenance, pre-
ventive maintenance, rebuilding, or al-
teration.
43.9
Content, form, and disposition of main-
tenance, preventive maintenance, re-
building, and alteration records (except
inspections performed in accordance
with part 91, part 123, part 125,
§ 135.411(a)(1), and § 135.419 of this chap-
ter).
43.10
Disposition of life-limited aircraft
parts.
43.11
Content, form, and disposition of
records for inspections conducted under
parts 91 and 125 and §§ 135.411(a)(1) and
135.419 of this chapter.
43.12
Maintenance records: Falsification, re-
production, or alteration.
43.13
Performance rules (general).
43.15
Additional performance rules for in-
spections.
43.16
Airworthiness Limitations.
43.17
Maintenance, preventive maintenance,
and alterations performed on U.S. aero-
nautical products by certain Canadian
persons.
A
PPENDIX
A
TO
P
ART
43—M
AJOR
A
LTER
-
ATIONS
, M
AJOR
R
EPAIRS
,
AND
P
REVENTIVE
M
AINTENANCE
A
PPENDIX
B
TO
P
ART
43—R
ECORDING
OF
M
AJOR
R
EPAIRS AND
M
AJOR
A
LTERATIONS
A
PPENDIX
C
TO
P
ART
43 [R
ESERVED
]
A
PPENDIX
D
TO
P
ART
43—S
COPE AND
D
ETAIL
OF
I
TEMS
(
AS
A
PPLICABLE TO THE
P
AR
-
TICULAR
A
IRCRAFT
) T
O
B
E
I
NCLUDED
IN
A
NNUAL AND
100-H
OUR
I
NSPECTIONS
A
PPENDIX
E
TO
P
ART
43—A
LTIMETER
S
YSTEM
T
EST AND
I
NSPECTION
A
PPENDIX
F
TO
P
ART
43—ATC T
RANSPONDER
T
ESTS AND
I
NSPECTIONS
A
UTHORITY
: 42 U.S.C. 7572; 49 U.S.C. 106(f),
106(g), 40105, 40113, 44701–44702, 44704, 44707,
44709, 44711, 44713, 44715, 45303.
S
OURCE
: Docket No. 1993, 29 FR 5451, Apr.
23, 1964, unless otherwise noted.
E
DITORIAL
N
OTE
: For miscellaneous tech-
nical amendments to this part 43, see Amdt.
43–3, 31 FR 3336, Mar. 3, 1966, and Amdt. 43–
6, 31 FR 9211, July 6, 1966.
§ 43.1
Applicability.
(a) Except as provided in paragraphs
(b) and (d) of this section, this part pre-
scribes rules governing the mainte-
nance, preventive maintenance, re-
building, and alteration of any—
(1) Aircraft having a U.S. airworthi-
ness certificate;
(2) Foreign-registered civil aircraft
used in common carriage or carriage of
mail under the provisions of Part 121 or
135 of this chapter; and
(3) Airframe, aircraft engines, propel-
lers, appliances, and component parts
of such aircraft.
(b) This part does not apply to—
(1) Any aircraft for which the FAA
has issued an experimental certificate,
unless the FAA has previously issued a
different kind of airworthiness certifi-
cate for that aircraft;
(2) Any aircraft for which the FAA
has issued an experimental certificate
under the provisions of § 21.191(i)(3) of
this chapter, and the aircraft was pre-
viously issued a special airworthiness
certificate in the light-sport category
under the provisions of § 21.190 of this
chapter; or
(3) Any aircraft subject to the provi-
sions of part 107 of this chapter.
(c) This part applies to all life-lim-
ited parts that are removed from a
type certificated product, segregated,
or controlled as provided in § 43.10.
(d) This part applies to any aircraft
issued a special airworthiness certifi-
cate in the light-sport category except:
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