FAR Part 117 Calculator

Flight Duty Period & Rest Analysis - Pick your base, paste your sequence, check your results. Add your delay time to see when you will exceed yoru duty limit without extension. Results not guaranteed.

When in doubt about the legality of an assignment, send a DART to ALPA for verification. This tool assists your knowledge of FAA and contractual language but may make errors. Do not use screenshots from this app in correspondence with the company.

Your Base (Acclimated Station)

Sequence Month/Year

Paste HSS Sequence

No Sequence Analyzed

Paste your HSS sequence data and click "Analyze" to see Part 117 flight duty period limits, rest requirements, and compliance status.

This calculator provides guidance only. Always verify compliance with your company's flight operations manual and consult with scheduling for official determinations.