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U.S. Commuter Air Carrier Fatal Accidents by Defining Event of Operation
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 first phase of operation, the phase of flight where the problem leading to the accident first occurs.
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).
National Transportation Safety Board, personal communications, Dec. 20, 2010, and Aug. 11, 2011, July 18, 2012, Aug. 7, 2013, Sept. 24, 2014, Mar. 23, 2016, Sept. 26, 2016, Apr. 30, 2018, Aug. 12, 2019.