323
Federal Aviation Administration, DOT
§ 23.1529
(1) The maximum rotational speed;
(2) The maximum allowable manifold
pressure (for reciprocating engines);
(3) The maximum allowable gas tem-
perature (for turbine engines); and
(4) The maximum allowable cylinder
head, oil, and liquid coolant tempera-
tures.
(d)
Fuel grade or designation. The min-
imum fuel grade (for reciprocating en-
gines), or fuel designation (for turbine
engines), must be established so that it
is not less than that required for the
operation of the engines within the
limitations in paragraphs (b) and (c) of
this section.
(e)
Ambient temperature. For all air-
planes except reciprocating engine-
powered airplanes of 6,000 pounds or
less maximum weight, ambient tem-
perature limitations (including limita-
tions for winterization installations if
applicable) must be established as the
maximum ambient atmospheric tem-
perature at which compliance with the
cooling provisions of §§ 23.1041 through
23.1047 is shown.
[Doc. No. 4080, 29 FR 17955, Dec. 18, 1964; 30
FR 258, Jan. 9, 1965, as amended by Amdt. 23–
21, 43 FR 2319, Jan. 16, 1978; Amdt. 23–45, 58
FR 42165, Aug. 6, 1993; Amdt. 23–50, 61 FR
5192, Feb. 9, 1996]
§ 23.1522
Auxiliary power unit limita-
tions.
If an auxiliary power unit is in-
stalled, the limitations established for
the auxiliary power must be specified
in the operating limitations for the air-
plane.
[Doc. No. 26269, 58 FR 42166, Aug. 6, 1993]
§ 23.1523
Minimum flight crew.
The minimum flight crew must be es-
tablished so that it is sufficient for safe
operation considering—
(a) The workload on individual crew-
members and, in addition for com-
muter category airplanes, each crew-
member workload determination must
consider the following:
(1) Flight path control,
(2) Collision avoidance,
(3) Navigation,
(4) Communications,
(5) Operation and monitoring of all
essential airplane systems,
(6) Command decisions, and
(7) The accessibility and ease of oper-
ation of necessary controls by the ap-
propriate crewmember during all nor-
mal and emergency operations when at
the crewmember flight station;
(b) The accessibility and ease of oper-
ation of necessary controls by the ap-
propriate crewmember; and
(c) The kinds of operation authorized
under § 23.1525.
[Amdt. 23–21, 43 FR 2319, Jan. 16, 1978, as
amended by Amdt. 23–34, 52 FR 1834, Jan. 15,
1987]
§ 23.1524
Maximum passenger seating
configuration.
The maximum passenger seating con-
figuration must be established.
[Amdt. 23–10, 36 FR 2864, Feb. 11, 1971]
§ 23.1525
Kinds of operation.
The kinds of operation authorized
(e.g. VFR, IFR, day or night) and the
meteorological conditions (e.g. icing)
to which the operation of the airplane
is limited or from which it is prohib-
ited, must be established appropriate
to the installed equipment.
[Doc. No. 26269, 58 FR 42166, Aug. 6, 1993]
§ 23.1527
Maximum operating altitude.
(a) The maximum altitude up to
which operation is allowed, as limited
by flight, structural, powerplant, func-
tional or equipment characteristics,
must be established.
(b) A maximum operating altitude
limitation of not more than 25,000 feet
must be established for pressurized air-
planes unless compliance with
§ 23.775(e) is shown.
[Doc. No. 26269, 58 FR 42166, Aug. 6, 1993]
§ 23.1529
Instructions for Continued
Airworthiness.
The applicant must prepare Instruc-
tions for Continued Airworthiness in
accordance with appendix G to this
part that are acceptable to the Admin-
istrator. The instructions may be in-
complete at type certification if a pro-
gram exists to ensure their completion
prior to delivery of the first airplane or
issuance of a standard certificate of
airworthiness, whichever occurs later.
[Amdt. 23–26, 45 FR 60171, Sept. 11, 1980]
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