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Federal Aviation Administration, DOT
§ 121.613
current reports or information on air-
port conditions and irregularities of
navigation facilities that may affect
the safety of the flight.
(b) Before beginning a flight, the air-
craft dispatcher shall provide the pilot
in command with all available weather
reports and forecasts of weather phe-
nomena that may affect the safety of
flight, including adverse weather phe-
nomena, such as clear air turbulence,
thunderstorms, and low altitude wind
shear, for each route to be flown and
each airport to be used.
(c) During a flight, the aircraft dis-
patcher shall provide the pilot in com-
mand any additional available infor-
mation of meteorological conditions
(including adverse weather phenomena,
such as clear air turbulence, thunder-
storms, and low altitude wind shear),
and irregularities of facilities and serv-
ices that may affect the safety of the
flight.
[Doc. No. 6258, 29 FR 19222, Dec. 31, 1964, as
amended by Amdt. 121–134, 42 FR 27573, May
31, 1977; Amdt. 121–144, 43 FR 22649, May 25,
1978; Amdt. 121–253, 61 FR 2614, Jan. 26, 1996]
§ 121.603 Facilities and services: Sup-
plemental operations.
(a) Before beginning a flight, each
pilot in command shall obtain all
available current reports or informa-
tion on airport conditions and irreg-
ularities of navigation facilities that
may affect the safety of the flight.
(b) During a flight, the pilot in com-
mand shall obtain any additional avail-
able information of meteorological
conditions and irregularities of facili-
ties and services that may affect the
safety of the flight.
§ 121.605 Airplane equipment.
No person may dispatch or release an
airplane unless it is airworthy and is
equipped as prescribed in § 121.303.
§ 121.607 Communication and naviga-
tion facilities: Domestic and flag op-
erations.
(a) Except as provided in paragraph
(b) of this section for a certificate hold-
er conducting flag operations, no per-
son may dispatch an airplane over an
approved route or route segment unless
the communication and navigation fa-
cilities required by §§ 121.99 and 121.103
for the approval of that route or seg-
ment are in satisfactory operating con-
dition.
(b) If, because of technical reasons or
other reasons beyond the control of a
certificate holder conducting flag oper-
ations, the facilities required by
§§ 121.99 and 121.103 are not available
over a route or route segment outside
the United States, the certificate hold-
er may dispatch an airplane over that
route or route segment if the pilot in
command and dispatcher find that
communication and navigation facili-
ties equal to those required are avail-
able and are in satisfactory operating
condition.
[Doc. No. 6258, 29 FR 19222, Dec. 31, 1964, as
amended by Amdt. 121–253, 61 FR 2614, Jan.
26, 1996]
§ 121.609 Communication and naviga-
tion facilities: Supplemental oper-
ations.
No person may release an aircraft
over any route or route segment unless
communication and navigation facili-
ties equal to those required by § 121.121
are in satisfactory operating condition.
§ 121.611 Dispatch or flight release
under VFR.
No person may dispatch or release an
aircraft for VFR operation unless the
ceiling and visibility en route, as indi-
cated by available weather reports or
forecasts, or any combination thereof,
are and will remain at or above appli-
cable VFR minimums until the aircraft
arrives at the airport or airports speci-
fied in the dispatch or flight release.
§ 121.613 Dispatch or flight release
under IFR or over the top.
Except as provided in § 121.615, no per-
son may dispatch or release an aircraft
for operations under IFR or over-the-
top, unless appropriate weather reports
or forecasts, or any combination there-
of, indicate that the weather condi-
tions will be at or above the authorized
minimums at the estimated time of ar-
rival at the airport or airports to
which dispatched or released.
[Doc. No. 6258, 29 FR 19222, Dec. 31, 1964, as
amended by Amdt. 121–33, 32 FR 13912, Oct. 6,
1967]