Federal Aviation Administration, DOT

Section 21.25

category in which certification is requested.
[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as
amended by Amdt. 21-15, 32 FR 3735, Mar. 4,
1967; Amdt. 21-27, 34 FR 18368, Nov. 18, 1969;
Amdt. 21-60, 52 FR 8042, Mar. 13, 1987; Amdt.
21-68, 55 FR 32860, Aug. 10, 1990; Amdt. 21-92,
74 FR 53385, Oct. 16, 2009]

Section 21.23

[Reserved]

spaschal on DSK3GDR082PROD with CFR

Section 21.24 Issuance of type certificate: primary category aircraft.
(a) The applicant is entitled to a type
certificate for an aircraft in the primary category if - 
(1) The aircraft - 
(i) Is unpowered; is an airplane powered by a single, naturally aspirated
engine with a 61-knot or less Vso stall
speed as determined under part 23 of
this chapter; or is a rotorcraft with a 6pound per square foot main rotor disc
loading limitation, under sea level
standard day conditions;
(ii) Weighs not more than 2,700
pounds; or, for seaplanes, not more
than 3,375 pounds;
(iii) Has a maximum seating capacity
of not more than four persons, including the pilot; and
(iv) Has an unpressurized cabin.
(2) The applicant has submitted - 
(i) Except as provided by paragraph
(c) of this section, a statement, in a
form and manner acceptable to the
FAA, certifying that: the applicant has
completed the engineering analysis
necessary to demonstrate compliance
with the applicable airworthiness requirements; the applicant has conducted appropriate flight, structural,
propulsion, and systems tests necessary to show that the aircraft, its
components, and its equipment are reliable and function properly; the type
design complies with the airworthiness
standards and noise requirements established for the aircraft under
Section 21.17(f); and no feature or characteristic makes it unsafe for its intended use;
(ii) The flight manual required by
Section 21.5(b), including any information required to be furnished by the applicable
airworthiness standards;
(iii) Instructions for continued airworthiness
in
accordance
with
Section 21.50(b); and

(iv) A report that: summarizes how
compliance with each provision of the
type certification basis was determined; lists the specific documents in
which the type certification data information is provided; lists all necessary
drawings and documents used to define
the type design; and lists all the engineering reports on tests and computations that the applicant must retain
and make available under Section 21.49 to substantiate compliance with the applicable airworthiness standards.
(3) The FAA finds that - 
(i) The aircraft complies with those
applicable airworthiness requirements
approved under Section 21.17(f) of this part;
and
(ii) The aircraft has no feature or
characteristic that makes it unsafe for
its intended use.
(b) An applicant may include a special inspection and preventive maintenance program as part of the aircraft-s
type design or supplemental type design.
(c) For aircraft manufactured outside
of the United States in a country with
which the United States has a bilateral
airworthiness agreement for the acceptance of these aircraft, and from
which the aircraft is to be imported
into the United States - 
(1) The statement required by paragraph (a)(2)(i) of this section must be
made by the civil airworthiness authority of the exporting country; and
(2) The required manuals, placards,
listings, instrument markings, and
documents required by paragraphs (a)
and (b) of this section must be submitted in English.
[Doc. No. 23345, 57 FR 41367, Sept. 9, 1992, as
amended by Amdt. 21-75, 62 FR 62808, Nov. 25,
1997; Doc. No. FAA-2015-1621, Amdt. 21-100, 81
FR 96689, Dec. 30, 2016]

Section 21.25 Issue of type certificate: Restricted category aircraft.
(a) An applicant is entitled to a type
certificate for an aircraft in the restricted category for special purpose
operations if he shows compliance with
the applicable noise requirements of
Part 36 of this chapter, and if he shows
that no feature or characteristic of the
aircraft makes it unsafe when it is operated under the limitations prescribed

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