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The BTS Pocket Guide to Transportation is a popular, quick reference guide that provides transportation statistics at your fingertips. It provides key information and highlights major trends on the U.S. transportation system.
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KEY: R = revised, U = data are not available.
a A situation where collision avoidance was due to chance, rather than an act on the part of the pilot. Less than 100 feet of aircraft separation would be considered critical.
b An incident that would probably have resulted in a collision if no action had been taken by either pilot. Less than 500 feet would usually be required in this case.
c When direction and altitude would have made a midair collision improbable regardless of evasive action taken.
d No...
KEY: R = revised.
a 14 CFR 135, scheduled operations. Before Mar. 20, 1997, 14 CFR applied to aircraft with 30 or fewer seats. Since Mar. 20, 1997, 14 CFR 135 includes only aircraft with fewer than 10 seats. This change makes it difficult to compare pre-1997 data with more recent years' data.
b Includes instructional flights performing turns and agricultural flights for spraying and buzzing (repeated passes over a particular location).
a Carriers operating under 14 CFR 121. Before Mar. 20, 1997, 14 CFR 121 applied only to aircraft with more than 30 seats or a maximum payload capacity of more than 7,500 pounds. Since Mar. 20, 1997, 14 CFR 121 includes aircraft with 10 or more seats that formerly operated under 14 CFR 135. This change makes it difficult to compare pre-1997 data with more recent data.
b NTSB changed its reporting of phase of accidents. Data after 2008 is reported by Defining Event associated phase of flight leading to the accident. Before 2008 data is reported by...
KEY: R = revised.
a The 1996 spike in Air Fatalities was due to the ignition of an undeclared cache of chemical oxygen generators in a flight over Florida that killed 110 people, according to the U.S. Department of Transportation Biennial Report on Hazardous Materials Transportation, 1996-1997.
bWater category includes only nonbulk marine. Bulk marine hazardous materials incidents are reported to the U.S. Coast Guard and are not included.
cOther category includes freight...