---
kind: "section"
citation: "14 C.F.R. § 117.1"
title: "14"
number: "117.1"
heading: "Applicability."
url: "https://uscodex.org/cfr/14/117.1"
---

# §117.1. Applicability.

- (a) This part prescribes flight and duty limitations and rest requirements for all flightcrew members and certificate holders conducting passenger operations under [part 121](/cfr/14/part121.md) of this chapter.
- (b) This part applies to all operations directed by [part 121](/cfr/14/part121.md) certificate holders under [part 91](/cfr/14/part91.md), other than [subpart K](/cfr/14/subpartK.md), of this chapter if any segment is conducted as a domestic passenger, flag passenger, or supplemental passenger operation.
- (c) This part applies to all flightcrew members when participating in an operation under [part 91](/cfr/14/part91.md), other than [subpart K](/cfr/14/subpartK.md) of this chapter, on behalf of the [part 121](/cfr/14/part121.md) certificate holder if any flight segment is conducted as a domestic passenger, flag passenger, or supplemental passenger operation
- (d) Notwithstanding paragraphs [(a)](#a), [(b)](#b) and [(c)](#c) of this section, a certificate holder may conduct under [part 117](/cfr/14/part117.md) its [part 121](/cfr/14/part121.md) operations pursuant to 121.470, 121.480, or 121.500.

## Notes

### Authority

Authority: 49 U.S.C. 106(g), 40113, 40119, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 46901, 44903-44904, 44912, 46105.

### Source

Source: Docket FAA-2009-1093, 77 FR 398, Jan. 4, 2012, unless otherwise noted.