733
Federal Aviation Administration, DOT
§ 91.205
or applied for before August 11, 1971,
must at least meet the anticollision
light standards of part 23, 25, 27, or 29
of this chapter, as applicable, that were
in effect on August 10, 1971, except that
the color may be either aviation red or
aviation white. In the event of failure
of any light of the anticollision light
system, operations with the aircraft
may be continued to a stop where re-
pairs or replacement can be made.
(4) If the aircraft is operated for hire,
one electric landing light.
(5) An adequate source of electrical
energy for all installed electrical and
radio equipment.
(6) One spare set of fuses, or three
spare fuses of each kind required, that
are accessible to the pilot in flight.
(d)
Instrument flight rules. For IFR
flight, the following instruments and
equipment are required:
(1) Instruments and equipment speci-
fied in paragraph (b) of this section,
and, for night flight, instruments and
equipment specified in paragraph (c) of
this section.
(2) Two-way radio communication
and navigation equipment suitable for
the route to be flown.
(3) Gyroscopic rate-of-turn indicator,
except on the following aircraft:
(i) Airplanes with a third attitude in-
strument system usable through flight
attitudes of 360 degrees of pitch and
roll and installed in accordance with
the instrument requirements pre-
scribed in § 121.305(j) of this chapter;
and
(ii) Rotorcraft with a third attitude
instrument system usable through
flight attitudes of
±
80 degrees of pitch
and
±
120 degrees of roll and installed in
accordance with § 29.1303(g) of this
chapter.
(4) Slip-skid indicator.
(5) Sensitive altimeter adjustable for
barometric pressure.
(6) A clock displaying hours, min-
utes, and seconds with a sweep-second
pointer or digital presentation.
(7) Generator or alternator of ade-
quate capacity.
(8) Gyroscopic pitch and bank indi-
cator (artificial horizon).
(9) Gyroscopic direction indicator (di-
rectional gyro or equivalent).
(e)
Flight at and above 24,000 feet MSL
(FL 240). If VOR navigation equipment
is required under paragraph (d)(2) of
this section, no person may operate a
U.S.-registered civil aircraft within the
50 states and the District of Columbia
at or above FL 240 unless that aircraft
is equipped with approved DME or a
suitable RNAV system. When the DME
or RNAV system required by this para-
graph fails at and above FL 240, the
pilot in command of the aircraft must
notify ATC immediately, and then may
continue operations at and above FL
240 to the next airport of intended
landing where repairs or replacement
of the equipment can be made.
(f)
Category II operations. The require-
ments for Category II operations are
the instruments and equipment speci-
fied in—
(1) Paragraph (d) of this section; and
(2) Appendix A to this part.
(g)
Category III operations. The instru-
ments and equipment required for Cat-
egory III operations are specified in
paragraph (d) of this section.
(h)
Night vision goggle operations. For
night vision goggle operations, the fol-
lowing instruments and equipment
must be installed in the aircraft, func-
tioning in a normal manner, and ap-
proved for use by the FAA:
(1) Instruments and equipment speci-
fied in paragraph (b) of this section, in-
struments and equipment specified in
paragraph (c) of this section;
(2) Night vision goggles;
(3) Interior and exterior aircraft
lighting system required for night vi-
sion goggle operations;
(4) Two-way radio communications
system;
(5) Gyroscopic pitch and bank indi-
cator (artificial horizon);
(6) Generator or alternator of ade-
quate capacity for the required instru-
ments and equipment; and
(7) Radar altimeter.
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