NTSB investigations: Helio H-295
12 cases on aircraft the registry lists as Helio H-295, 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
| 2009 | 2 |
|---|---|
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 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 ('4300802')
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 ('4300802')
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 ANC23LA082Accident · No injuriesClass 4 · LimitedFinal reportHelio H-295 · Fairbanks, AKThe pilot’s encounter with windshear during initial climb out, which resulted in a loss of control.NTSB GAA18CA481Accident · No injuriesData collectionFinal reportHelio H 295 · Great Falls, MTThe pilot’s failure to maintain lateral control of the airplane during takeoff in a quartering tailwind.NTSB ANC16LA067Accident · No injuriesLimited investigationFinal reportHelio H 295 · Fairbanks, AKExcessive side loads imposed on the tailwheel A-frame during the takeoff roll, which resulted in a separation of the tailwheel and the subsequent loss of directional control.NTSB GAA16CA366Accident · No injuriesData collectionFinal reportHelio H 295 · Grants Pass, ORThe pilot's failure to maintain directional control during the landing roll in gusty crosswind conditions, which resulted in a runway excursion and a ground loop.NTSB ANC15LA070Accident · No injuriesLimited investigationFinal reportHelio H 295 · Delta Junction, AKA partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB ANC15LA004Accident · No injuriesLimited investigationFinal reportHelio H 295 · Nenana, AKThe partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preimpact mechanical anomalies.NTSB ANC14CA082Accident · Minor injuriesData collectionFinal reportHelio H 295 · Prospect Creek, AKThe pilot's loss of directional control during takeoff, in gusty and variable wind conditions, resulting in a collision with terrain.NTSB ANC12LA056Accident · Serious injuriesLimited investigationFinal reportHelio H-295-1400 · Deadhorse, AKThe pilot's failure to extend the airplane’s wing flaps before takeoff and her selection of an unsuitable takeoff area, which resulted in a collision with a concrete loading ramp during the aborted takeoff.NTSB ANC12CA020Accident · No injuriesData collectionFinal reportHelio H-295 · Old Minto, AKThe pilot's decision to land on unsuitable terrain, which resulted in the airplane nosing over.NTSB ERA11CA364Accident · Minor injuriesData collectionFinal reportHelio H-295 · Brasstown, NCThe pilot's inadequate preflight planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB ANC09CA091Accident · No injuriesData collectionFinal reportHelio H-295 · Koliganek, AKA loss of engine power during cruise flight due to water in the fuel, and the pilot's inadequate preflight inspection.NTSB ANC09LA047Accident · No injuriesLimited investigationFinal reportHelio H-295 · Kaktovic, AKThe pilot’s failure to maintain control of the airplane after an in-flight encounter with a downdraft while landing in mountainous terrain, and her decision to fly at an altitude where such an encounter made a successful recovery unlikely.