FTDT Use Cases and Scenarios — USA (FAR Part 117)

Updated: 2026-06-26 · Audited: 2026-06-26

Enter Flight Duty Period Information

• Flight Duty Period has not concluded and the flight crew member is in the process of entering information.
• The Flight Duty Period has concluded and the flight crew member is retroactively entering information.
• The Flight Duty Period has not yet begun and the flight crew is proactively entering information.

Enter Flight Segment Information

• The Flight Segment has not concluded and the flight crew member is in the process of entering information.
• The Flight Segment has concluded and the flight crew member is retroactively entering information.
• The Flight Segment has not yet begun and the flight crew is in the process of entering information.

View Cumulative Limitations

• When the Flight Duty Period is currently in progress.
• When the Flight Duty Period and Flight Segment are currently in progress.
• When the Flight Duty Period is currently in progress but a Flight Segment has completed.
• When the Flight Duty Period has completed and has occurred in the past.
• When the Flight Duty Period is yet to occur.

For detailed Canadian use case scenarios including worked calculation examples, see use-cases-can.html.