---
kind: "section"
citation: "14 C.F.R. § 121.493"
title: "14"
number: "121.493"
heading: "Flight time limitations: Flight engineers and flight navigators."
url: "https://uscodex.org/cfr/14/121.493"
---

# §121.493. Flight time limitations: Flight engineers and flight navigators.

- (a) In any operation in which one flight engineer or flight navigator is required, the flight time limitations in [§ 121.483](/cfr/14/121.483.md) apply to that flight engineer or flight navigator.
- (b) In any operation in which more than one flight engineer or flight navigator is required, the flight time limitations in [§ 121.485](/cfr/14/121.485.md) apply to those flight engineers or flight navigators.

## Notes

### 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).