---
kind: "section"
citation: "14 C.F.R. § 117.23"
title: "14"
number: "117.23"
heading: "Cumulative limitations."
url: "https://uscodex.org/cfr/14/117.23"
---

# §117.23. Cumulative limitations.

- (a) The limitations of this section include all flying by flightcrew members on behalf of any certificate holder or 91K Program Manager during the applicable periods.
- (b) No certificate holder may schedule and no flightcrew member may accept an assignment if the flightcrew member's total flight time will exceed the following:
  - (1) 100 hours in any 672 consecutive hours or
  - (2) 1,000 hours in any 365 consecutive calendar day period.
- (c) No certificate holder may schedule and no flightcrew member may accept an assignment if the flightcrew member's total Flight Duty Period will exceed:
  - (1) 60 flight duty period hours in any 168 consecutive hours or
  - (2) 190 flight duty period hours in any 672 consecutive hours.

## Notes

### Amendments

[Docket FAA-2009-1093, 77 FR 398, Jan. 4, 2012; Amdt. 117-1A, 77 FR 28764, May 16, 2012; Amdt. 117-1, 78 FR 69288, Nov. 19, 2013]

### 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.

### Amendments

[Docket FAA-2009-1093, 77 FR 398, Jan. 4, 2012; Amdt. 117-1A, 77 FR 28764, May 16, 2012; Amdt. 117-1, 78 FR 69288, Nov. 19, 2013]