---
kind: "section"
citation: "14 C.F.R. § 117.13"
title: "14"
number: "117.13"
heading: "Flight duty period: Unaugmented operations."
url: "https://uscodex.org/cfr/14/117.13"
---

# §117.13. Flight duty period: Unaugmented operations.

- (a) Except as provided for in [§ 117.15](/cfr/14/117.15.md), no certificate holder may assign and no flightcrew member may accept an assignment for an unaugmented flight operation if the scheduled flight duty period will exceed the limits in Table B of this part.
- (b) If the flightcrew member is not acclimated:
  - (1) **The maximum flight duty period in Table B of this part is reduced by 30 minutes.**
  - (2) The applicable flight duty period is based on the local time at the theater in which the flightcrew member was last acclimated.

## 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.