# NTSB investigations: Allison 250 SER 400HP, HI NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB LAX06IA011](https://openairdocs.org/ntsb/LAX06IA011.md): Hughes 369D · Kahului, HI · Incident · No injuries · Incident investigation · Final report · Oct 14, 2005 · N58267 · Minor damage > The fatigue cracking and failure of the tail rotor control rod during cruise flight, which resulted in a hard landing during the precautionary landing. - [NTSB LAX04FA329](https://openairdocs.org/ntsb/LAX04FA329.md): Bell 206B · Kalaheo, HI · Accident · 5 fatal · Class 1 · Field · Final report · Sep 25, 2004 · N16849 · Destroyed > The pilot's decision to continue flight under visual flight rules into an area of turbulent, reduced visibility weather conditions, which resulted in the pilot's spatial disorientation and loss of control of the helicopter. Contributing to this accident was… - [NTSB LAX03FA241](https://openairdocs.org/ntsb/LAX03FA241.md): Bell 206B · Waialeale,Kauai, HI · Accident · 5 fatal · Field investigation · Final report · Jul 23, 2003 · N37741 · Destroyed > The pilot's failure to maintain adequate terrain clearance/altitude while descending over mountainous terrain, and his continued flight into adverse weather. Factors contributing to the accident were clouds and a low ceiling. - [NTSB LAX96LA009](https://openairdocs.org/ntsb/LAX96LA009.md): Hughes 369HS · Hana, HI · Accident · Minor injuries · Limited investigation · Final report · Oct 12, 1995 · N9205F · Substantial damage > the loss of engine power due to inadequate maintenance inspection of the fuel system which permitted air to enter the engine fuel supply. A factor in the accident was the pilot's improper execution of the autorotation landing. - [NTSB LAX91LA198](https://openairdocs.org/ntsb/LAX91LA198.md): Hughes 369HS · Keanae, HI · Accident · Minor injuries · Limited investigation · Final report · May 5, 1991 · N9219F · Substantial damage > The total failure in fatigue of the helicopter's spur adapter gearshaft. A contributing factor was related to the lack of a suitable emergency landing site. - [NTSB LAX90LA162](https://openairdocs.org/ntsb/LAX90LA162.md): Hughes 369C · Kahului, HI · Accident · No injuries · Limited investigation · Final report · May 4, 1990 · N9219F · Substantial damage > The pilots failure to ensure that adequate room existed to position the helicopter on the landing platform. Contributing to the accident was the failure of ground personnel to ensure that hazards to the landing helicopter were clear of the landing area. - [NTSB LAX88LA203](https://openairdocs.org/ntsb/LAX88LA203.md): Bell 206B · Honolulu, HI · Accident · Minor injuries · Limited investigation · Final report · May 30, 1988 · N83203 · Destroyed > During a sightseeing flt, just after take off, the helicopter began to spin to the right, the plt tried to correct the situation by applying left rudder. The helicopter continued to spin. The plt reduced the throttle and adjusted the collective. The spin… - [NTSB LAX88LA059](https://openairdocs.org/ntsb/LAX88LA059.md): Hughes 369HS · Lihue, Kauai, HI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1987 · N77DJ · Substantial damage > Pilot failure to maintain adequate main rotor RPM. - [NTSB LAX87LA161](https://openairdocs.org/ntsb/LAX87LA161.md): Bell 206B · Kona, HI · Accident · 1 fatal · Limited investigation · Final report · Mar 29, 1987 · N90153 · Destroyed > The pilot picked up two of the passengers at a resort hotel and then flew to kailua-Kona airport (koa). After hot refueling the helicopter with the two passengers on board, two more passengers boarded the helicopter and then the flight departed koa. When the… - [NTSB LAX85FA217](https://openairdocs.org/ntsb/LAX85FA217.md): Bell 206-L1 · Kailua/Kona, HI · Accident · Minor injuries · Field investigation · Final report · Apr 20, 1985 · N478KA · Destroyed > A revenue sight-seeing helicopter flight operating under 14 CFR 91 collided with lava rock while attempting a forced landing on the summit of muana loa volcano after a partial loss of power. The pilot stated that while in a shallow downwind turn at aprx 200… - [NTSB LAX85LA116](https://openairdocs.org/ntsb/LAX85LA116.md): Hughes 369D · Makakilo, HI · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 1985 · N211EH · Destroyed > On an air taxi flt, after landing at a prearranged site the plt signaled to his 3 pax to board the helicopter. As the pax attempted to board from the right side of the acft, the rotor blades went out of track/phase. The acft began uncontrollable bouncing up… - [NTSB LAX84LA314](https://openairdocs.org/ntsb/LAX84LA314.md): Hughes 369D · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · May 25, 1984 · N211EH · Substantial damage > The helicopter experienced a tail rotor failure shortly after departing the airport on a VFR local sling loading flt. The plt stated that, 'at approx 500 ft asl on climb out experienced sudden, severe vibration. Made a 180 degree turn to return to airport &… - [NTSB OAK78FJA08](https://openairdocs.org/ntsb/OAK78FJA08.md): Bell 206B · Mauna Kea, HI · Accident · Minor injuries · Closed · Jun 12, 1978 · N59622 · Substantial damage - [NTSB OAK76FJA25](https://openairdocs.org/ntsb/OAK76FJA25.md): Hughes 369 · Haena Kauai, HI · Accident · Minor injuries · Closed · Sep 24, 1976 · N9261F · Substantial damage - [NTSB OAK73FJA09](https://openairdocs.org/ntsb/OAK73FJA09.md): Bell 206A · Kaimuki, HI · Accident · No injuries · Closed · Nov 29, 1972 · N1404W · Substantial damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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."eventStateOrRegion" = 'HI' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03013', '03012')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=03013&state=HI --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.