# NTSB investigations, HI: Loss of engine power(partial) - mech failure/malf

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 LAX00FA310](https://openairdocs.org/ntsb/LAX00FA310.md): Piper PA-31-350 · Hilo, HI · Accident · 1 fatal · Field investigation · Final report · Aug 26, 2000 · N923BA · Substantial damage
  > Deterioration and failure of the oil filter converter plate gasket, which resulted in a loss of engine power and a subsequent in-flight fire.
- [NTSB LAX97LA088](https://openairdocs.org/ntsb/LAX97LA088.md): McDonnell Douglas 369D · Kamuela, HI · Accident · No injuries · Limited investigation · Final report · Jan 12, 1997 · N7012G · Substantial damage
  > fuel system contamination resulting in a partial loss of power, and the failure of the pilot to maintain adequate rotor rpm to cushion the autorotative landing and prevent main rotor blade contact with the tailboom. Factors were the inadequacy of…
- [NTSB LAX94FA317](https://openairdocs.org/ntsb/LAX94FA317.md): Aerospatiale AS350-D · Kukuihaele, HI · Accident · No injuries · Field investigation · Final report · Aug 11, 1994 · N889AT · Substantial damage
  > a fatigue crack in the 'T' fitting on the power turbine governor pneumatic accumulator. A factor was the rough, rock-covered landing area.
- [NTSB LAX90LA050](https://openairdocs.org/ntsb/LAX90LA050.md): Hughes 369HS · Waimea, HI · Accident · No injuries · Limited investigation · Final report · Dec 9, 1989 · N9161F · Substantial damage
  > The improper installation of the pc tube by company maintenance personnel, which resulted in fatigue failure of the tube due to induced bending stresses.
- [NTSB LAX89LA197](https://openairdocs.org/ntsb/LAX89LA197.md): Aerospatiale AS350D · Waialae Falls, HI · Accident · Minor injuries · Limited investigation · Final report · May 21, 1989 · N6003S · Substantial damage
  > Improper maintenance/adjustment of the engine fuel control unit by company maintenance personnel, which resulted in a slight loss of engine power, and failure of the pilot to maintain rotor RPM, while turning and taking off from a hover with a relatively…
- [NTSB LAX89LA063](https://openairdocs.org/ntsb/LAX89LA063.md): Hughes 369E · Hanalei, HI · Accident · No injuries · Limited investigation · Final report · Dec 12, 1988 · N7733H · Substantial damage
  > During a local sightseeing flight, the pilot reported that he heard a muffled bang and simultaneously the engine out warning lights and audio alarm activated. The pilot initiated a forced landing on the beach which resulted in the helicopter nosing over. An…
- [NTSB LAX87DJA09](https://openairdocs.org/ntsb/LAX87DJA09.md): Emair MA-1-B · Paauilo, HI · Accident · No injuries · Final report · Sep 11, 1987 · N9924M · Substantial damage
  > During an aerial application flt, just after take off, the plt noted that the engine oil temp was high and that blue smoke was coming from the engine. Unable to land at the airport, the acft collided with the terrain short of the runway and nosed over.…
- [NTSB LAX87LA242](https://openairdocs.org/ntsb/LAX87LA242.md): Cessna 310R · Kailua, HI · Accident · No injuries · Limited investigation · Final report · Jun 22, 1987 · N98836 · Destroyed
  > A Cessna 310R ditched in the pacific ocean aprx 500 NM sw Hawaii after an eng failure. The plt indicated that the #2 eng failed while in cruise flt at 8,000 ft MSL. Oil was observed leaking from the eng cowling. The acft was unable to maintain alt on #1 eng.…
- [NTSB LAX87LA051](https://openairdocs.org/ntsb/LAX87LA051.md): Cessna 152 · Waipahu, HI · Accident · No injuries · Limited investigation · Final report · Nov 22, 1986 · N5327M · Substantial damage
  > The plt dragged both wings through a sugar cane crop during landing roll on a gravel road after a partial loss of power. The engine had 4040 total hours and had been previously overhauled 1655 hours prior. The plt indicated that the eng had a top overhaul…

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 352)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=352&state=HI

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