NTSB investigations: Bell OH-58A
12 cases on aircraft the registry lists as Bell OH-58A, where the sequence of events included Collision with terr/obj (non-CFIT). 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
| 2008 | 2 |
|---|---|
| 2010 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181579')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181579')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 WPR23LA313Accident · Minor injuriesClass 3 · LimitedFinal reportBell OH-58A · Guernsey, CAThe pilot’s overpitching of the main rotor blades while maneuvering at low altitude in a high-temperature environment at high gross weight, which resulted in a reduction of engine and rotor speed, excessive main rotor blade flapping, mast bumping, and impact…NTSB WPR20CA092Accident · No injuriesData collectionFinal reportBell OH 58A · Colexico, CAThe pilot's failure to arrest the descent rate while maneuvering at low altitude, which resulted in impact with terrain.NTSB CEN19LA121Accident · No injuriesClass 3 · LimitedFinal reportBell OH 58A · Omaha, NEA partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA18LA271Accident · Minor injuriesClass 3 · LimitedFinal reportBell OH 58A · Juana Diaz, PRA total loss of engine power for reasons that could not be determined based on the available information.NTSB CEN16LA289Accident · Minor injuriesLimited investigationFinal reportBell OH 58A · Lake Mills, IAThe pilot's inadequate visual lookout, which resulted in a wire strike.NTSB GAA16CA372Accident · Minor injuriesData collectionFinal reportBell OH 58 · Surprise, AZWhile at a low altitude, the pilot's decision to do an abrupt descending right downwind turn which resulted in flying through his own vortices and an impact with terrain.NTSB WPR14TA149Accident · No injuriesFinal reportBell OH-58A · Tehachapi, CAThe pilot's decision to attempt a mission at night with known en route weather conditions below operating minimums, likely due to self-induced pressure, and then continue flight beyond the alternate landing airport as weather conditions deteriorated, which…NTSB CEN13TA165Accident · Minor injuriesFinal reportBell OH-58A · Pine Springs, TXThe pilot's failure to maintain directional control while operating in conditions conducive to a loss of tail rotor effectiveness.NTSB ERA10LA499Accident · Serious injuriesLimited investigationFinal reportBell OH-58A · Taylorsville, MSA total loss of engine power while maneuvering at low altitude for undetermined reasons.NTSB ERA10LA484Accident · No injuriesLimited investigationFinal reportBell OH-58A · Covington, TNA loss of engine power due to contamination of the helicopter's fuel supply.NTSB ERA09CA090Accident · No injuriesData collectionFinal reportBell OH-58C · Osceola County, FLThe pilot's misjudgment of altitude during low-altitude spraying operations, which resulted in an in-flight collision with water.NTSB LAX08CA054Accident · No injuriesData collectionFinal reportBell OH-58A · Brawley, CAThe pilot's failure to maintain clearance from obstacles. A factor in the accident was the dark night conditions.