Guides — FAR Part 117, without the fluff

Short, correct answers to the questions every 121 pilot hits:

The FDP tables explained — every Table B band, the −30 min non-acclimated penalty, Table A flight time
The 10-hour rest rule — from release, 8 sleep hours, the hotel shuttle problem, the 30-hour week
60/168 and 190/672 — the rolling FDP and flight-time caps, and why your side gig counts
Augmented crews — Table C by rest class, 13/17-hour flight ceilings, the 3-segment cap
Extensions — the +2 hour rule, once-per-cycle, after-takeoff flex, fatigue calls
Deadheads & what counts in FDP — duty yes, segment no
Split duty — the 3-hour accommodation break and its 14-hour combined cap
Reserve — airport standby as FDP, the 16-hour short-call wall, the 12-hour WCL notice
Quick reference — Tables A/B/C, cumulative caps and rest rules on one printable page
Rest interrupted — company calls, the commute, and fatigue-call protection (§117.25(e)–(f), §117.5)
Acclimation & theaters — the −30 min FDP, the 36 h reset, the 56 h post-trip rest
Table A flight time — 8/9/8 hours, the 13/17 h ceilings, first-limit-stops
Part 117 vs Part 135 — scheduled and unscheduled rules compared, the 91K note
Part 117 vs EASA FTL — structure and key numbers side by side
Violations — 10-day reports, 30-day corrective actions, FAA enforcement
Short-call reserve — the 14 h RAP and the 16-hour combined wall (§117.21(c))

Or jump straight to the free Part 117 duty calculator.

Basis & sources

Primary sources only — the statute, form or paper this page is built on.

14 CFR 117.11 + Table A — Table A flight time
14 CFR 117.13 + Table B — Table B FDP
14 CFR 117.17 + Table C — Table C FDP
14 CFR 117.17(d) — augmented max 3 segments
14 CFR 117.13(b)(1) — not acclimated -30 min
14 CFR 117.25(e) — rest 10h incl 8h sleep opportunity
14 CFR 117.25(b) — 30h free in 168h

Last reviewed 2026-10-26 · Report a correction