CONSTRAINT #04 activeCrew
Crew Duty Time Limits
Mission viability is restricted by FAA/EASA regulations limiting crew flight and duty hours, which can force mission delays or aircraft substitutions.
Decision Question
Does the mission schedule preserve enough crew duty time to absorb unanticipated operational delays?
Trigger Conditions
- • Unanticipated delays consume duty time
- • Overnight stay limits next-day departure
- • Crew arrives late
Affected Mission Layers
crewtimingnetwork
Propagation Paths
- ATC delay → Duty time consumed → Crew times out → Flight cancelled or augmented crew required
Failure Modes
- • Flight cancellation
- • Forced overnight delay
- • Aircraft substitution
Unknowns (Requires Confirmation)
- • Real-time crew duty status
- • Augmented crew availability
Recovery Dependencies
- • Augmented crew planning
- • Schedule buffer
- • Alternate crew sourcing