193
Federal Aviation Administration, DOT
§ 121.517
Administrator as adequate to serve the
terminal points concerned.
[Doc. No. 6258, 29 FR 19218, Dec. 31, 1964; 30
FR 3639, Mar. 19, 1965, as amended by Amdt.
121–253, 61 FR 2613, Jan. 26, 1996]
§ 121.505
Flight time limitations: Two
pilot crews: airplanes.
(a) If a certificate holder conducting
supplemental operations schedules a
pilot to fly more than eight hours dur-
ing any 24 consecutive hours, it shall
give him an intervening rest period at
or before the end of eight scheduled
hours of flight duty. This rest period
must be at least twice the number of
hours flown since the preceding rest pe-
riod, but not less than eight hours. The
certificate holder conducting supple-
mental operations shall relieve that
pilot of all duty with it during that
rest period.
(b) No pilot of an airplane that has a
crew of two pilots may be on duty for
more than 16 hours during any 24 con-
secutive hours.
[Doc. No. 6258, 29 FR 19218, Dec. 31, 1964; 30
FR 3639, Mar. 19, 1965, as amended by Amdt.
121–253, 61 FR 2613, Jan. 26, 1996]
§ 121.507
Flight time limitations: Three
pilot crews: airplanes.
(a) No certificate holder conducting
supplemental operations may schedule
a pilot—
(1) For flight deck duty in an air-
plane that has a crew of three pilots for
more than eight hours in any 24 con-
secutive hours; or
(2) To be aloft in an airplane that has
a crew of three pilot for more than 12
hours in any 24 consecutive hours.
(b) No pilot of an airplane that has a
crew of three pilots may be on duty for
more than 18 hours in any 24 consecu-
tive hours.
[Doc. No. 6258, 29 FR 19218, Dec. 31, 1964; 30
FR 3639, Mar. 19, 1965, as amended by Amdt.
121–253, 61 FR 2613, Jan. 26, 1996]
§ 121.509
Flight time limitations: Four
pilot crews: airplanes.
(a) No certificate holder conducting
supplemental operations may schedule
a pilot—
(1) For flight deck duty in an air-
plane that has a crew of four pilots for
more than eight hours in any 24 con-
secutive hours; or
(2) To be aloft in an airplane that has
a crew of four pilots for more than 16
hours in any 24 consecutive hours.
(b) No pilot of an airplane that has a
crew of four pilots may be on duty for
more than 20 hours in any 24 consecu-
tive hours.
[Doc. No. 6258, 29 FR 19218, Dec. 31, 1964; 30
FR 3639, Mar. 19, 1965, as amended by Amdt.
121–253, 61 FR 2613, Jan. 26, 1996]
§ 121.511
Flight time limitations:
Flight engineers: airplanes.
(a) In any operation in which one
flight engineer is serving the flight
time limitations in §§ 121.503 and 121.505
apply to that flight engineer.
(b) In any operation in which more
than one flight engineer is serving and
the flight crew contains more than two
pilots the flight time limitations in
§ 121.509 apply in place of those in
§ 121.505.
§ 121.513
Flight time limitations: Over-
seas and international operations:
airplanes.
In place of the flight time limita-
tions in §§ 121.503 through 121.511, a cer-
tificate holder conducting supple-
mental operations may elect to comply
with the flight time limitations of
§§ 121.515 and 121.521 through 121.525 for
operations conducted—
(a) Between a place in the 48 contig-
uous States and the District of Colum-
bia, or Alaska, and any place outside
thereof;
(b) Between any two places outside
the 48 contiguous States, the District
of Columbia, and Alaska; or
(c) Between two places within the
State of Alaska or the State of Hawaii.
[Doc. No. 6258, 29 FR 19218, Dec. 31, 1964; 30
FR 3639, Mar. 19, 1965, as amended by Amdt.
121–253, 61 FR 2613, Jan. 26, 1996]
§ 121.515
Flight time limitations: All
airmen: airplanes.
No airman may be aloft as a flight
crewmember more than 1,000 hours in
any 12-calendar-month period.
§ 121.517
Flight time limitations: Other
commercial flying: airplanes.
No airman who is employed by a cer-
tificate holder conducting supple-
mental operations may do any other
commercial flying, if that commercial
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