Section 25.1522

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

(2) Fuel designation or specification.
(3) Maximum time interval between
engine run-ups from idle, run-up power
setting and duration at power for
ground operation in icing conditions,
as defined in Section 25.1093(b)(2).
(4) Any other parameter for which a
limitation has been established as part
of the engine type certificate except
that a limitation need not be established for a parameter that cannot be
exceeded during normal operation due
to the design of the installation or to
another established limitation.
(d) Ambient temperature. An ambient
temperature limitation (including limitations for winterization installations,
if applicable) must be established as
the maximum ambient atmospheric
temperature established in accordance
with Section 25.1043(b).
[Amdt. 25-72, 55 FR 29786, July 20, 1990, as
amended by Amdt. 25-140, 79 FR 65528, Nov. 4,
2014]

Section 25.1522 Auxiliary power unit limitations.
If an auxiliary power unit is installed
in the airplane, limitations established
for the auxiliary power unit, including
categories of operation, must be specified as operating limitations for the
airplane.
[Amdt. 25-72, 55 FR 29786, July 20, 1990]

Section 25.1523

[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as
amended by Amdt. 25-3, 30 FR 6067, Apr. 29,
1965]
spaschal on DSK3GDR082PROD with CFR

and

by

the

installed

Section 25.1527 Ambient air temperature and
operating altitude.
The extremes of the ambient air temperature and operating altitude for
which operation is allowed, as limited
by flight, structural, powerplant, functional, or equipment characteristics,
must be established.
[Doc. No. 2000-8511, 66 FR 34024, June 26, 2001]

Section 25.1529 Instructions
Airworthiness.

for

Continued

The applicant must prepare Instructions for Continued Airworthiness in
accordance with appendix H to this
part that are acceptable to the Administrator. The instructions may be incomplete at type certification if a program exists to ensure their completion
prior to delivery of the first airplane or
issuance of a standard certificate of
airworthiness, whichever occurs later.
[Amdt. 25-54, 45 FR 60173, Sept. 11, 1980]

Section 25.1531
tors.

Maneuvering flight load fac-

Load factor limitations, not exceeding the positive limit load factors determined from the maneuvering diagram in Section 25.333(b), must be established.
Section 25.1533 Additional operating limitations.

Minimum flight crew.

The minimum flight crew must be established so that it is sufficient for safe
operation, considering - 
(a) The workload on individual crewmembers;
(b) The accessibility and ease of operation of necessary controls by the appropriate crewmember; and
(c) The kind of operation authorized
under Section 25.1525.
The criteria used in making the determinations required by this section are
set forth in appendix D.

Section 25.1525

certification
equipment.

Kinds of operation.

The kinds of operation to which the
airplane is limited are established by
the category in which it is eligible for

(a) Additional operating limitations
must be established as follows:
(1) The maximum takeoff weights
must be established as the weights at
which compliance is shown with the
applicable provisions of this part (including the takeoff climb provisions of
Section 25.121(a) through (c), for altitudes and
ambient temperatures).
(2) The maximum landing weights
must be established as the weights at
which compliance is shown with the
applicable provisions of this part (including the landing and approach climb
provisions of SectionSection 25.119 and 25.121(d) for
altitudes and ambient temperatures).
(3) The minimum takeoff distances
must be established as the distances at
which compliance is shown with the
applicable provisions of this part (including the provisions of SectionSection 25.109 and

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