Fatal NTSB investigations: Lycoming O-540-F1B5

11 cases on aircraft whose registry engine model is Lycoming O-540-F1B5. 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

20062026
Fatal NTSB investigations: Lycoming O-540-F1B5 per year, 2006–2026: 11 cases
20061
20091
20101
20131
20161
20181
20191
20201
20212
20221

Latest 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.engine_model_code IN ('42353'))
  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.

NTSB CEN22FA151Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Rowlett, TXA loss of helicopter control while maneuvering, which resulted in main rotor blade contact with the tailboom in flight, tail boom separation, and an uncontrolled descent.Mar 25, 2022 · N514CD · DestroyedNTSB ERA21FA200Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Wingate, NCThe pilot’s failure to maintain clearance from a power line during a low-level aerial application flight, resulting in tail rotor impact with the power line, a loss of control, and subsequent impact with the ground.May 2, 2021 · N4528T · Substantial damageNTSB ERA21LA191Accident · 1 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 · Forkston, PAThe pilot’s inadequate preflight weather planning, which resulted in an inadvertent encounter with instrument meteorological conditions at night, spatial disorientation, and collision with terrain.Apr 23, 2021 · N4055N · DestroyedNTSB CEN21LA084Accident · 2 fatalClass 3 · LimitedFinal reportRobinson R44 · Colorado City, TXThe pilot’s loss of control and exceedance of performance and/or structural limitations during low-altitude operations, which resulted in an inflight breakup.. Contributing to the accident was the pilot’s impairment from the effects of tetrahydrocannabinol.Dec 10, 2020 · N7085Z · DestroyedNTSB WPR19FA123Accident · 3 fatalClass 3 · FieldFinal reportRobinson R44 · Kailua, HIThe helicopter’s encounter with a strong downdraft or outflow boundary while operating at a higher than recommended airspeed in turbulence which resulted in a low-G condition, excessive main rotor flapping, and an in-flight breakup when the main rotor…Apr 29, 2019 · N808NV · DestroyedNTSB CEN18FA215Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 · Oshkosh, WIThe pilot's decision to fly over the river at a low altitude and his failure to maintain clearance with wires during low-level flight.Jun 9, 2018 · N529DW · Substantial damageNTSB ERA16FA143Accident · 1 fatalField investigationFinal reportRobinson R44 · Canadensis, PAThe pilot's loss of control due to spatial disorientation, which occurred after ascending in order to clear rising terrain and inadvertently entering the clouds.Mar 27, 2016 · N776JM · DestroyedNTSB ERA13FA186Accident · 2 fatalField investigationFinal reportRobinson R44 · Miami, FLThe mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and the pilot's subsequent loss of control. Contributing to the accident was the…Apr 3, 2013 · N3101H · DestroyedNTSB ANC10LA053Accident · 1 fatalLimited investigationFinal reportRobinson Helicopter R44 · Unalaska, AKThe pilot's inappropriate low altitude maneuvering, which resulted in a collision with terrain.Jun 20, 2010 · N333DV · Substantial damageNTSB ERA09FA497Accident · 1 fatalField investigationFinal reportRobinson R44 · Jackson, MSThe pilot's failure to maintain adequate main rotor rpm, for undetermined reasons.Sep 1, 2009 · N33PX · Substantial damageNTSB SEA07FA006Accident · 1 fatalField investigationFinal reportRobinson R44 · Sumner, WAThe complete loss of engine power, for undetermined reasons, while on final approach, and the pilot's loss of control of the helicopter after the power loss. Factors include a lake below the final approach to the private landing pad.Oct 8, 2006 · N769RT · Substantial damage