. "Appendix D: Principal Segments of Aviation in the United States." An Assessment of NASA's National Aviation Operations Monitoring Service. Washington, DC: The National Academies Press, 2009.
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An Assessment of NASA’s National Aviation Operations Monitoring Service
TABLE D.1 Limitations on Pilot Flight Time (hours) by Category of Operation
Category
During 7 Consecutive Days
In a Calendar Month
In a Calendar Quarter or 90-Day Period
In a Calendar Year
Part 121 one- or two-pilot crews
32
100
1,000
Part 121 two pilots plus additional flight crew member
