Duty117
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FAR Part 117 Duty Calculator

Enter your report time, segment count and crew setup. You get your Flight Duty Period limit straight from Tables B / C, the hours you have left, the wall-clock time duty must end, and the cumulative 60 / 168 and 190 / 672 checks.

Report

Today so far

Cumulative — FDP

Cumulative — flight time

Rest & weekly break

Quarter hours are fine. The FDP starts at report and ends when the aircraft is parked — pre-flight duties, deadheads and airport/standby reserve before or between flights all count inside it. Deadheading is not a flight segment.

Your scenarios

Multiple scenarios & report export

Questions pilots actually ask

Why is my limit only 9 hours?

Because of when you report. Table B is flat 9 h for a 0000–0359 report regardless of segments, and drops to 9 h at 5+ segments for late reports (1700–2359). Check the band-by-band guide.

Does a deadhead count as a segment?

No — but it is duty, and it sits inside your FDP if it comes before or between flights without a rest period. Transportation to or from the hotel is not deadhead and is not FDP at all.

Does the hotel shuttle eat my 10-hour rest?

Rest is measured from release. If shuttle + check-in means you can't get 8 uninterrupted sleep hours inside the 10, you must notify the company and you may not report until you get a compliant rest.

Can I fly past my FDP limit?

Only after takeoff, only as far as needed to land safely at the destination or alternate, and an extension over 30 minutes counts only once before you get a 30-hour free-of-duty rest. Before takeoff, an unforeseen-circumstances extension is capped at +2 hours with PIC and company concurrence.

What are the cumulative numbers?

60 FDP hours in any 168 h, 190 FDP hours in any 672 h, 100 flight hours in any 672 h, 1,000 flight hours per calendar year — and all flying for any certificate holder counts.

Is this my contract?

No. Part 117 is the regulatory floor — your CBA and ops spec are usually stricter. This tool computes the federal minimum only.

Where do saved scenarios go?

Onto this device. There is no account and nothing is uploaded.

Educational check only — not a substitute for your company's scheduling system or your contract. Rule basis: 14 CFR Part 117 — 117.11 (Table A), 117.13 (Table B), 117.17 (Table C), 117.19, 117.23, 117.25, 117.27 — verified against the eCFR.
How the FDP tables work · The 10-hour rest rule · 60/168 and 190/672 caps · Augmented crew limits · Contact