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NTSB investigations: Helio H-395

15 cases on aircraft the registry lists as Helio H-395. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

Where

Latest cases

Query with SQL

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 ('4300202')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('4300202'))
  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 ('4300202'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 ANC25LA095Accident · No injuriesClass 4 · LimitedFinal reportHelio H-395 · Pilot Point, AKThe pilot's inadequate takeoff performance planning, which resulted in a runway excursion and collision with terrain.Aug 21, 2025 · N44344 · Substantial damage NTSB GAA15CA268Accident · No injuriesData collectionFinal reportHelio H 395 · Bethel, AKThe pilot's failure to maintain a positive climb rate during takeoff initial climb, resulting in an uncontrolled descent and collision with trees and terrain.Sep 18, 2015 · N910SP · Substantial damage NTSB ANC99LA095Accident · No injuriesLimited investigationFinal reportHelio H-395 · Igiugig, AKThe pilot's inadequate compensation for wind conditions during the downwind to upwind taxi turn. Factors associated with this accident were the high crosswind, the pilot's improper use of flaps, and his self-induced pressure because he was behind schedule.Jul 20, 1999 · N4198D · Substantial damage NTSB ANC83FA126Accident · 1 fatalField investigationFinal reportHelio H395 · Fairbanks, AKTakeoff was from a dirt driveway which had a usable length 0F 330 ft before it curved north. Before takeoff, the plt hadbent several small trees back away from the driveway & tied them down so they would not interfere with the takeoff. There are numerous…Jul 20, 1983 · N4156D · Substantial damage NTSB LAX83FA100Accident · No injuriesField investigationFinal reportHelio H-395 · Tucson, AZThe acft ground looped during landing and collided with an acft arresting system component. The pilot was landing on RWY11L. He did not report any difficulty controlling the acft until he began his flare. At that time he stated that a slight air disturbance…Feb 13, 1983 · N4160D · Substantial damage NTSB DEN83LA005Accident · No injuriesLimited investigationFinal reportHelio H-395 · Gillette, WYDuring a landing roll-out on runway 15, the aircraft ground looped to the right and the left gear failed. The pilot said he was following a twin Cessna that was about 1/4 mile ahead, and when he raised the flaps from full down to 3/4 down, the plane suddenly…Oct 8, 1982 · N3129R · Substantial damage NTSB ANC82DAG24Accident · No injuriesFinal reportHelio H-395 · Gulkana, AKThe pilot departed fairbanks, Alaska in his wheel equipped Helio H-395 and proceeded on a flight to Gulkana, Alaska. While en route, he elected to land on an island near the junction of the susitna and oshetina rivers. During the landing, the gear fell…May 8, 1982 · N4156D · Substantial damage NTSB LAX79DVG72Accident · Minor injuriesClosedHelio Acft H-395 · Woodland, CAAug 23, 1979 · N4177D · Substantial damage NTSB IAD76FIG05Accident · No injuriesClosedHelio Acft H395 · Martinsburg, WVOct 12, 1975 · N4160D · Substantial damage NTSB DEN73DTC26Accident · No injuriesClosedHelio H-395 · Jackson, WYMay 25, 1973 · N4198D · Substantial damage NTSB DEN72FTC09Accident · No injuriesClosedHelio H-395 · Jackson, WYOct 6, 1971 · N4198D · Substantial damage NTSB DEN72FQA09Accident · No injuriesClosedHelio Acft H-395 · Albuquerque, NMAug 8, 1971 · N4150D · Substantial damage NTSB MKC65D0115Accident · Minor injuriesClosedHelio H-395 · Dubuque, IAApr 9, 1965 · N4165D · Substantial damage NTSB UNK65X1434Accident · No injuriesClosedHelio 395 · Miami, FLFeb 17, 1965 · N4150D · Substantial damage NTSB UNK64X3482Accident · No injuriesClosedHelio H-395 · Agrinion, GreeceAug 20, 1964 · N4199D · Substantial damage