C-17 Duty Day Calc

C-17 Duty Day Calc is a fast, aviation-focused duty day calculator designed for C-17 aircrew, schedulers, and flight planners. Compute legal duty periods, rest requirements, and maximum on-duty times using mission start times, time zones, and crew profiles. Core features include accurate duty day calculations aligned with aviation rules, automatic time zone and mission parameter adjustments, and exportable reports for crew scheduling and flight planning. Built for reliability and efficiency, it helps crews stay compliant and simplifies mission planning.