---
kind: "section"
citation: "14 C.F.R. § 121.487"
title: "14"
number: "121.487"
heading: "Flight time limitations: Pilots not regularly assigned."
url: "https://uscodex.org/cfr/14/121.487"
---

# §121.487. Flight time limitations: Pilots not regularly assigned.

- (a) Except as provided in [paragraphs (b) through (e)](#b..e) of this section, a pilot who is not regularly assigned as a flight crewmember for an entire calendar month under § [121.483](/cfr/14/121.483.md) or [121.485](/cfr/14/121.485.md) may not fly more than 100 hours in any 30 consecutive days.
- (b) The monthly flight time limitations 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 calendar month by assignment to a crew consisting of two or more pilots and an additional flight crewmember, are those set forth in [§ 121.481](/cfr/14/121.481.md).
- (c) Except for a pilot covered by [paragraph (b)](#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 interrupted more than once in that calendar month by assignment to a crew consisting of three pilots and additional flight crewmember, are those set forth in [§ 121.483](/cfr/14/121.483.md).
- (d) The quarterly flight time limitations for a pilot to whom paragraphs [(b)](#b) and [(c)](#c) of this section do not apply and who is scheduled for duty aloft for a total of not more than 20 hours within any calendar month in two-pilot crews (with or without additional flight crewmembers) are those set forth in [§ 121.485](/cfr/14/121.485.md).
- (e) The monthly and quarterly flight time limitations for a pilot assigned to each of two-pilot, two-pilot and additional flight crewmember, and three-pilot and additional flight crewmember crews in a given calendar month, and who is not subject to paragraph [(b)](#b), [(c)](#c), or [(d)](#d) of this section, are those set forth in [§ 121.483](/cfr/14/121.483.md).

## Notes

### Amendments

[Docket 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]

### Source

Source: Docket 6258, 29 FR 19217, Dec. 31, 1964; 30 FR 3639, Mar. 19, 1965, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note).

### Amendments

[Docket 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]