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

 

120

300

1,000

Part 135 scheduled

34

120

 

1,200

Part 135 nonscheduled

 

 

500

1,400

Part 91

No limit

No limit

No limit

No limit

SOURCE: 14 CFR 121.481, 14 CFR 121.483, 14 CFR 135.265, 14 CFR 135.267.

TABLE D.2 Fatal Accident Rates, by Category of Operation, 1983-2008

Category

Fatal Accidents

Flight Hours

Fatal Accidents per 100,000 Flight Hours

Part 121 scheduled

64

357,075,443

0.018

Part 121 nonscheduled

25

16,915,795

0.148

Part 135 scheduled

78

35,201,228

0.222

Part 135 nonscheduled

575

77,989,000

0.737

Part 91

10,250

674,227,000

1.520

SOURCE: Available at http://www.ntsb.gov/aviation/Stats.htm.



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