1006
14 CFR Ch. I (1–1–14 Edition)
§ 45.23
of that aircraft, a U.S.-registered air-
craft may be operated without dis-
playing those marks anywhere on the
aircraft if:
(1) It is operated for the purpose of
exhibition, including a motion picture
or television production, or an airshow;
(2) Except for practice and test fights
necessary for exhibition purposes, it is
operated only at the location of the ex-
hibition, between the exhibition loca-
tions, and between those locations and
the base of operations of the aircraft;
and
(3) For each flight in the United
States:
(i) It is operated with the prior ap-
proval of the Flight Standards District
Office, in the case of a flight within the
lateral boundaries of the surface areas
of Class B, Class C, Class D, or Class E
airspace designated for the takeoff air-
port, or within 4.4 nautical miles of
that airport if it is within Class G air-
space; or
(ii) It is operated under a flight plan
filed under either § 91.153 or § 91.169 of
this chapter describing the marks it
displays, in the case of any other
flight.
(b) A small U.S.-registered aircraft
built at least 30 years ago or a U.S.-
registered aircraft for which an experi-
mental certificate has been issued
under § 21.191(d) or 21.191(g) for oper-
ation as an exhibition aircraft or as an
amateur-built aircraft and which has
the same external configuration as an
aircraft built at least 30 years ago may
be operated without displaying marks
in accordance with §§ 45.21 and 45.23
through 45.33 if:
(1) It displays in accordance with
§ 45.21(c) marks at least 2 inches high
on each side of the fuselage or vertical
tail surface consisting of the Roman
capital letter ‘‘N’’ followed by:
(i) The U.S. registration number of
the aircraft; or
(ii) The symbol appropriate to the
airworthiness certificate of the aircraft
(‘‘C’’, standard; ‘‘R’’, restricted; ‘‘L’’,
limited; or ‘‘X’’, experimental) followed
by the U.S. registration number of the
aircraft; and
(2) It displays no other mark that be-
gins with the letter ‘‘N’’ anywhere on
the aircraft, unless it is the same mark
that is displayed under paragraph (b)(1)
of this section.
(c) No person may operate an aircraft
under paragraph (a) or (b) of this sec-
tion—
(1) In an ADIZ or DEWIZ described in
Part 99 of this chapter unless it tempo-
rarily bears marks in accordance with
§§ 45.21 and 45.23 through 45.33;
(2) In a foreign country unless that
country consents to that operation; or
(3) In any operation conducted under
Part 121, 133, 135, or 137 of this chapter.
(d) If, due to the configuration of an
aircraft, it is impossible for a person to
mark it in accordance with §§ 45.21 and
45.23 through 45.33, he may apply to the
FAA for a different marking procedure.
[Doc. No. 8093, Amdt. 45–5, 33 FR 450, Jan. 12,
1968, as amended by Amdt. 45–13, 46 FR 48603,
Oct. 1, 1981; Amdt. 45–19, 54 FR 39291, Sept. 25,
1989; Amdt. 45–18, 54 FR 34330, Aug. 18, 1989;
Amdt. 45–21, 56 FR 65653, Dec. 17, 1991; Amdt.
45–22, 66 FR 21066, Apr. 27, 2001]
§ 45.23
Display of marks; general.
(a) Each operator of an aircraft must
display on that aircraft marks con-
sisting of the Roman capital letter ‘‘N’’
(denoting United States registration)
followed by the registration number of
the aircraft. Each suffix letter used in
the marks displayed must also be a
Roman capital letter.
(b) When marks include only the
Roman capital letter ‘‘N’’ and the reg-
istration number is displayed on lim-
ited, restricted or light-sport category
aircraft or experimental or provision-
ally certificated aircraft, the operator
must also display on that aircraft near
each entrance to the cabin, cockpit, or
pilot station, in letters not less than 2
inches nor more than 6 inches high, the
words ‘‘limited,’’ ‘‘restricted,’’ ‘‘light-
sport,’’ ‘‘experimental,’’ or ‘‘provi-
sional,’’ as applicable.
[Doc. No. 8093, Amdt. 45–5, 33 FR 450, Jan. 12,
1968, as amended by Amdt. 45–9, 42 FR 41102,
Aug. 15, 1977; Amdt. 45–24, 69 FR 44863, July
27, 2004]
§ 45.25
Location of marks on fixed-
wing aircraft.
(a) The operator of a fixed-wing air-
craft must display the required marks
on either the vertical tail surfaces or
the sides of the fuselage, except as pro-
vided in § 45.29(f).
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