Federal Aviation Administration, DOT

Section 121.354

Alaska may conduct an operation without the equipment specified in paragraph (a) of this section, if the Administrator finds that equipment to be
necessary for search and rescue operations because of the nature of the terrain to be flown over.
(c) Notwithstanding the requirements of paragraph (a) of this section,
installation and use of a single LRNS
and a single LRCS may be authorized
by the Administrator and approved in
the certificate holder-s operations
specifications for operations and routes
in certain geographic areas. The following are among the operational factors the Administrator may consider in
granting an authorization:
(1) The ability of the flightcrew to
navigate the airplane along the route
within the degree of accuracy required
for ATC,
(2) The length of the route being
flown, and
(3) The duration of the very high frequency communications gap.
[Doc. No. 6258, 29 FR 19205, Dec. 31, 1964, as
amended by Amdt. 121-253, 61 FR 2611, Jan.
26, 1996; Amdt. 121-254, 61 FR 7191, Feb. 26,
1996; Amdt. 121-333, 72 FR 31682, June 7, 2007]

Section 121.353 Emergency equipment for operations over uninhabited terrain
areas: Flag, supplemental, and certain domestic operations.
Unless the airplane has the following
equipment, no person may conduct a
flag or supplemental operation or a domestic operation within the States of
Alaska or Hawaii over an uninhabited
area or any other area that (in its operations specifications) the Administrator specifies required equipment for
search and rescue in case of an emergency:
(a) Suitable pyrotechnic signaling devices.
(b) An approved survival type emergency locator transmitter. Batteries
used in this transmitter must be replaced (or recharged, if the battery is
rechargeable) when the transmitter has
been in use for more than 1 cumulative
hour, or when 50 percent of their useful
life (or for rechargeable batteries, 50
percent of their useful life of charge)
has expired, as established by the
transmitter manufacturer under its approval. The new expiration date for re-

placing (or recharging) the battery
must be legibly marked on the outside
of the transmitter. The battery useful
life (or useful life of charge) requirements of this paragraph do not apply
to batteries (such as water-activated
batteries) that are essentially unaffected during probable storage intervals.
(c) Enough survival kits, appropriately equipped for the route to be
flown for the number of occupants of
the airplane.
[Doc. No. 6258, 29 FR 19205, Dec. 31, 1964, as
amended by Amdt. 121-79, 36 FR 18724, Sept.
21, 1971; Amdt. 121-106, 38 FR 22378 Aug. 20,
1973; Amdt. 121-158, 45 FR 38348, June 9, 1980;
Amdt. 121-239, 59 FR 32057, June 21, 1994;
Amdt. 121-251, 60 FR 65932, Dec. 20, 1995]

Section 121.354 Terrain awareness and warning system.
(a) Airplanes manufactured after March
29, 2002. No person may operate a turbine-powered airplane unless that airplane is equipped with an approved terrain awareness and warning system
that meets the requirements for Class
A equipment in Technical Standard
Order (TSO)-C151. The airplane must
also include an approved terrain situational awareness display.
(b) Airplanes manufactured on or before
March 29, 2002. No person may operate
a turbine-powered airplane after March
29, 2005, unless that airplane is
equipped with an approved terrain
awareness and warning system that
meets the requirements for Class A
equipment in Technical Standard Order
(TSO)-C151. The airplane must also include an approved terrain situational
awareness display.
(Approved by the Office of Management and
Budget under control number 2120-0631)

(c) Airplane Flight Manual. The Airplane Flight Manual shall contain appropriate procedures for - 
(1) The use of the terrain awareness
and warning system; and
(2) Proper flight crew reaction in response to the terrain awareness and
warning system audio and visual warnings.
[Doc. No. 29312, 65 FR 16755, Mar. 29, 2000]

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