NASA ASRS aviation incident reports

Voluntary incident report data from the NASA Aviation Safety Reporting System

The NASA Aviation Safety Reporting System (ASRS) is the world's largest voluntary, confidential aviation incident report database. It collects reports from pilots, air traffic controllers, mechanics, cabin crew, and dispatchers.

Total reports
240,558
Reports by year986819881993199820032008201320182023

Top anomaly categories

Anomaly typeReports
Deviation discrepancy procedural published material policy93,242
Deviation discrepancy procedural clearance56,877
Aircraft equipment problem critical51,543
Deviation discrepancy procedural far49,010
Other unspecified43,801
Atc issue all types30,439
Aircraft equipment problem less severe30,229
Conflict airborne conflict22,258
Deviation track heading all types21,526
Inflight event encounter weather turbulence17,900

Top aircraft families

Aircraft familyReports
Boeing 73723,552
Boeing 7578,932
Bombardier crj7,347
Boeing 7676,100
Airbus a3206,091
Boeing 7274,280
Airbus a3193,555
Boeing 7772,873
Boeing 7472,306
Airbus a3211,696

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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