Fatal NTSB investigations: Beech C-99
8 cases on aircraft the registry lists as Beech C-99. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1991 | 1 |
|---|---|
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1999 | 1 |
| 2006 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1154006'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1154006'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN25FA006Accident · 1 fatalClass 3 · FieldFinal reportBeech C99 · Norfolk, NEThe pilot’s failure to maintain adequate airspeed following a partial loss of engine power during takeoff, which resulted in a loss of airplane control. Contributing to the accident was the fatigue failure of the compressor turbine fan disk blade.NTSB ERA23FA346Accident · 2 fatalClass 3 · FieldFinal reportBeech C-99 · Litchfield, MEA horizontal stabilizer pitch trim anomaly that was not identified in the available evidence.NTSB SEA06FA068Accident · 2 fatalField investigationFinal reportBeech C99 · Butte, MTThe second pilot's failure to follow the published instrument approach procedure and the captain/PIC's inadequate supervision. Snow and mountain obscuration were factors.NTSB LAX99FA096Accident · 1 fatalField investigationFinal reportBeech C99 · Bishop, CAthe pilot's failure to follow procedures and directives and his failure to maintain clearance from mountainous terrain.NTSB LAX95FA035Accident · 1 fatalField investigationFinal reportBeech C-99 · Avenal, CAloss of aircraft control at night by the pilot for unknown reasons.NTSB CHI93MA143Accident · 2 fatalMajor investigationFinal reportBeech C99 · Shelton, NEThe deliberate disregard for the federal aviation regulations, gp express procedures, and prudent concern for safety by the two pilots in their decision to execute an aerobatic maneuver during a scheduled check ride flight, and the failure of gp express…NTSB ATL92MA118Accident · 3 fatalClass 1 · MajorFinal reportBeech C99 · Anniston, ALThe failure of senior management of gp express to provide adequate training and operational support for the startup of the southern operation, which resulted in the assignment of an inadequately prepared captain with a relatively inexperienced first officer…NTSB DCA91MA042Accident · 13 fatalMajor investigationFinal reportBeech C99 · Birmingham, ALThe decision of the captain to initiate and continue an instrument approach into clearly identified thunderstorm activity, resulting in a loss of control of the airplane from which the flightcrew was unable to recover and subsequent collision with obstacles…