191 

Federal Aviation Administration, DOT 

§ 121.493 

§ 121.485

Flight time limitations: Three 

or more pilots and an additional 
flight crewmember. 

(a) Each certificate holder con-

ducting flag operations shall schedule 
its flight hours to provide adequate 
rest periods on the ground for each 
pilot who is away from his base and 
who is a pilot on an airplane that has 
a crew of three or more pilots and an 
additional flight crewmember. It shall 
also provide adequate sleeping quarters 
on the airplane whenever a pilot is 
scheduled to fly more than 12 hours 
during any 24 consecutive hours. 

(b) The certificate holder conducting 

flag operations shall give each pilot, 
upon return to his base from any flight 
or series of flights, a rest period that is 
at least twice the total number of 
hours he flew since the last rest period 
at his base. During the rest period re-
quired by this paragraph, the air car-
rier may not require him to perform 
any duty for it. If the required rest pe-
riod is more than seven days, that part 
of the rest period in excess of seven 
days may be given at any time before 
the pilot is again scheduled for flight 
duty on any route. 

(c) No pilot may fly as a flight crew-

member more than— 

(1) 350 hours during any 90 consecu-

tive days; or 

(2) 1,000 hours during any 12-calendar- 

month period. 

[Doc. No. 6258, 29 FR 19217, Dec. 31, 1964; 30 
FR 3639, Mar. 19, 1965, as amended by Amdt. 
121–253, 61 FR 2612, Jan. 26, 1996] 

§ 121.487

Flight time limitations: Pilots 

not regularly assigned. 

(a) Except as provided in paragraphs 

(b) through (e) of this section, a pilot 
who is not regularly assigned as a 
flight crewmember for an entire cal-
endar month under § 121.483 or 121.485 
may not fly more than 100 hours in any 
30 consecutive days. 

(b) The monthly flight time limita-

tions for a pilot who is scheduled for 
duty aloft for more than 20 hours in 
two-pilot crews in any calendar month, 
or whose assignment in such a crew is 
interrupted more than once in that cal-
endar month by assignment to a crew 
consisting of two or more pilots and an 
additional flight crewmember, are 
those set forth in § 121.481. 

(c) Except for a pilot covered by para-

graph (b) of this section, the monthly 
and quarterly flight time limitations 
for a pilot who is scheduled for duty 
aloft for more than 20 hours in two- 
pilot and additional flight crewmember 
crews in any calendar month, or whose 
assignment in such a crew is inter-
rupted more than once in that calendar 
month by assignment to a crew con-
sisting of three pilots and additional 
flight crewmember, are those set forth 
in § 121.483. 

(d) The quarterly flight time limita-

tions for a pilot to whom paragraphs 
(b) and (c) of this section do not apply 
and who is scheduled for duty aloft for 
a total of not more than 20 hours with-
in any calendar month in two-pilot 
crews (with or without additional 
flight crewmembers) are those set forth 
in § 121.485. 

(e) The monthly and quarterly flight 

time limitations for a pilot assigned to 
each of two-pilot, two-pilot and addi-
tional flight crewmember, and three- 
pilot and additional flight crewmember 
crews in a given calendar month, and 
who is not subject to paragraph (b), (c), 
or (d) of this section, are those set 
forth in § 121.483. 

[Doc. No. 6258, 29 FR 19217, Dec. 31, 1964; 
Amdt. 121–3, 30 FR 3639, Mar. 19, 1965, as 
amended by Amdt. 121–137, 42 FR 43973, Sept. 
1, 1977] 

§ 121.489

Flight time limitations: Other 

commercial flying. 

No pilot that is employed as a pilot 

by a certificate holder conducting flag 
operations may do any other commer-
cial flying if that commercial flying 
plus his flying in air transportation 
will exceed any flight time limitation 
in this part. 

[Doc. No. 28154, 61 FR 2612, Jan. 26, 1996] 

§ 121.491

Flight time limitations: 

Deadhead transportation. 

Time spent in deadhead transpor-

tation to or from duty assignment is 
not considered to be a part of a rest pe-
riod. 

§ 121.493

Flight time limitations: 

Flight engineers and flight naviga-
tors. 

(a) In any operation in which one 

flight engineer or flight navigator is 

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