# NTSB investigations, HI: Loss of engine power(total) - 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 SEA07LA108](https://openairdocs.org/ntsb/SEA07LA108.md): Hughes 369D · Kahuku, HI · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2007 · N911FT · Substantial damage
  > Fatigue cracking of the oil line from the engine gearbox to the oil pressure gauge, which resulted in loss of engine lubricating oil, leading to seizure of the power turbine.
- [NTSB LAX06LA098](https://openairdocs.org/ntsb/LAX06LA098.md): Eurocopter AS350D · Kahului, HI · Accident · No injuries · Limited investigation · Final report · Jan 29, 2006 · N90Q · Substantial damage
  > A total loss of engine power due to the internal effects on the bearings consistent with an operating event of insufficient oil supply. Contributing to the accident was the pilot’s improper flare during the autorotative descent.
- [NTSB LAX06LA072](https://openairdocs.org/ntsb/LAX06LA072.md): Eurocopter AS350BA · Hana, HI · Accident · Serious injuries · Limited investigation · Final report · Jan 10, 2006 · N3607P · Destroyed
  > The total loss of engine power due to a fatigue failure of a turbine blade. A factor in the accident was the lack of a suitable forced landing site.
- [NTSB LAX05LA146](https://openairdocs.org/ntsb/LAX05LA146.md): Robinson Helicopter R22A · Kailua-Kona, HI · Accident · No injuries · Limited investigation · Final report · Apr 24, 2005 · N8406J · Substantial damage
  > a total loss of engine power due to the failure of the engine's #3 exhaust valve due to an excessive valve guide clearance. Contributing to the accident was the failure of maintenance personnel to adequately check the valve guide clearance during the last…
- [NTSB LAX05LA087](https://openairdocs.org/ntsb/LAX05LA087.md): Cessna 152 · Hana, HI · Accident · No injuries · Limited investigation · Final report · Feb 6, 2005 · N7332L · Substantial damage
  > Foreign object damage inside an engine cylinder, which resulted in a loss of engine power during climb to cruise, and an off-airport forced landing.
- [NTSB LAX04LA046](https://openairdocs.org/ntsb/LAX04LA046.md): Suminski Cozy Long Ez · Maui, HI · Accident · Serious injuries · Limited investigation · Final report · Nov 17, 2003 · N534S · Destroyed
  > The loss of engine power during cruise flight for an undetermined reason, which resulted in an emergency descent and ditching.
- [NTSB LAX03LA212](https://openairdocs.org/ntsb/LAX03LA212.md): Hughes 369D · Kualapuu, HI · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 2003 · N633WA · Substantial damage
  > the total loss of engine power resulting from a fatigue failure of the 3rd stage turbine wheel airfoils. The reason for the airfoil's fatigue failure could not be determined.
- [NTSB LAX03FA200](https://openairdocs.org/ntsb/LAX03FA200.md): McDonnell Douglas 369D · Volcano, HI · Accident · 4 fatal · Field investigation · Final report · Jun 15, 2003 · N4493M · Destroyed
  > a loss of engine power due to the fatigue fracture and separation of the compressor coupling adapter. The fatigue fracture was initiated by fretting on the pilot diameter due to both the inadequate design of the coupling and the coaxial misalignment of the…
- [NTSB LAX01FA306](https://openairdocs.org/ntsb/LAX01FA306.md): Bell 206B · Hilo, HI · Accident · Minor injuries · Field investigation · Final report · Sep 30, 2001 · N206KS · Destroyed
  > The failure of the mechanic to secure the No. 8 bearing thrust nut during maintenance work, which resulted in the total failure of the first stage turbine wheel shaft. Also causal was his misjudgment of his height during the flare resulting in a hard landing.…
- [NTSB LAX01FA200](https://openairdocs.org/ntsb/LAX01FA200.md): Hughes 369D · Hanapepe, HI · Accident · No injuries · Field investigation · Final report · Jun 4, 2001 · N1109V · Substantial damage
  > a loss of engine power while in cruise flight resulting from the failure and liberation of several turbine blades due to hot corrosion effects which weakened the blades. The hot corrosion damage was the result of multiple turbine over temperature events which…
- [NTSB LAX01LA025](https://openairdocs.org/ntsb/LAX01LA025.md): Aerospatiale AS350BA · Kamuela, HI · Accident · Serious injuries · Limited investigation · Final report · Oct 22, 2000 · N12NT · Substantial damage
  > A total loss of engine power due to the failure of the engine manufacturer's repair station personnel to install a circlip during engine overhaul, which resulted in the turbine assembly aft support bearing becoming dislodged and seized on the shaft. A factor…
- [NTSB LAX00LA167](https://openairdocs.org/ntsb/LAX00LA167.md): Eurocopter AS-350 BA · Kahului, HI · Accident · No injuries · Limited investigation · Final report · Apr 21, 2000 · N6094H · Substantial damage
  > Failure of the manufacturer to ensure proper quality control of the ignition solenoid housing chamfer area, which allowed for insufficient clamping forces between the ignition solenoid housing and T-fitting, and the eventual separation of the T-fitting, loss…
- [NTSB LAX00LA039](https://openairdocs.org/ntsb/LAX00LA039.md): Piper PA-28-181 · Hilo, HI · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 1999 · N4148X · Destroyed
  > An oil starvation induced failure and seizure of the engine. The reasons for the oil starvation event are undetermined.
- [NTSB LAX98LA166](https://openairdocs.org/ntsb/LAX98LA166.md): McDonnell Douglas 520N · Lanai City,Maui, HI · Accident · Minor injuries · Limited investigation · Final report · May 20, 1998 · N112HD · Destroyed
  > An oil starvation failure of the number 5 bearing for undetermined reasons.
- [NTSB LAX98IA085](https://openairdocs.org/ntsb/LAX98IA085.md): McDonnell Douglas DC-9-51 · Honolulu, HI · Incident · No injuries · Incident investigation · Final report · Feb 9, 1998 · N601AP · Minor damage
  > the disintegration of the No. 6 bearing in the No. 2 engine which resulted in an aborted takeoff. In addition, the malfunction of the slide in the right forward service door was the result of a faulty seal in the inflation system. The inflation gauge had not…
- [NTSB LAX97LA176](https://openairdocs.org/ntsb/LAX97LA176.md): Hughes 369D · Puako, HI · Accident · 2 fatal · Limited investigation · Final report · May 11, 1997 · N5105N · Destroyed
  > erosion of second stage stator vanes, inadequate maintenance inspection for the erosion, and subsequent fatigue failure of a stator vane, which resulted in loss of engine power and a forced landing on mountainous/hilly terrain. Also causal was: the pilot's…
- [NTSB LAX97LA039](https://openairdocs.org/ntsb/LAX97LA039.md): McDonnell Douglas 369D · Hana, HI · Accident · No injuries · Limited investigation · Final report · Nov 13, 1996 · N8625F · Substantial damage
  > subsequent failure of the spur adapter gearshaft (SAG), after 'retaining ring to compressor impeller machining' occurred and allowed the SAG to shift aft. The mechanism which induced the ring to impeller machining was not determined. Mountainous terrain in…
- [NTSB LAX96LA110](https://openairdocs.org/ntsb/LAX96LA110.md): Stolp Starduster II · Kahului, HI · Accident · Serious injuries · Limited investigation · Final report · Feb 10, 1996 · N1457 · Destroyed
  > a faulty engine magneto, and decision by the pilot-in-command to operate the airplane with known deficiencies. A factor relating to the accident was: the airplane was overdue for an annual inspection.
- [NTSB LAX96LA104](https://openairdocs.org/ntsb/LAX96LA104.md): Bell 206BIII · Kamuela, HI · Accident · No injuries · Limited investigation · Final report · Feb 1, 1996 · N90194 · Substantial damage
  > failure of the nose case (No.1) bearing resulting in oil starvation.
- [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 LAX95LA019](https://openairdocs.org/ntsb/LAX95LA019.md): Eurocopter AS-350D · Kaupo, HI · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1994 · N5771L · Substantial damage
  > a total loss of engine power by the corrosion fatigue failure of the compressor impeller due to the failure of company maintenance personnel to perform the prescribed daily compressor wash procedures and the inadequate maintenance inspections, which failed to…
- [NTSB FTW94MA235](https://openairdocs.org/ntsb/FTW94MA235.md): Aerospatiale AS350D · Hanalei, HI · Accident · 3 fatal · Major investigation · Final report · Jul 15, 1994 · N151BH · Substantial damage
  > Failure of the engine-driven fuel pump, which resulted in the loss of power, and the lack of aircraft flotation equipment. Factors related to the accident were: flight over water adjacent to terrain that afforded no suitable forced landing site, and the lack…
- [NTSB LAX94FA197](https://openairdocs.org/ntsb/LAX94FA197.md): Hughes 369D · Hanapepe, HI · Accident · 1 fatal · Field investigation · Final report · Apr 18, 1994 · N1103N · Destroyed
  > Inadequate turbine engine compressor cleaning procedures based on information in the manufacturer's service letter, and loss of engine power due to blockage of the fuel nozzle strainer with foreign material (sodium). Factors related to the accident were: the…
- [NTSB LAX94LA076](https://openairdocs.org/ntsb/LAX94LA076.md): Hughes 369D · Waimea, Kauai, HI · Accident · No injuries · Limited investigation · Final report · Dec 22, 1993 · N115HD · Substantial damage
  > An inadequate engine compressor cleaning procedure specified in the manufacturer's service letter, which resulted in the total loss of engine power due to contamination, blockage, and collapse of the fuel nozzle inlet screen. Factors in the accident were: the…
- [NTSB LAX94LA012](https://openairdocs.org/ntsb/LAX94LA012.md): Piper PA-31 · Hilo, HI · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1993 · N7079J · Destroyed
  > the failure of the right engine's magnetos for undetermined reasons and the resulting overtemperature of the remaining left engine.
- [NTSB LAX93LA071](https://openairdocs.org/ntsb/LAX93LA071.md): Hughes 369D · Hilo, HI · Accident · No injuries · Limited investigation · Final report · Dec 22, 1992 · N113RS · Substantial damage
  > The bearing failures due to the operator's use of improper maintenance inspection and overhaul procedures by installing an unserviceable compressor module in the helicopter engine. Factors in the accident were the unsuitable nature of the terrain for the…
- [NTSB LAX93LA062](https://openairdocs.org/ntsb/LAX93LA062.md): Hughes 369C · Kamuela, HI · Accident · Minor injuries · Limited investigation · Final report · Dec 4, 1992 · N9230F · Substantial damage
  > The inadequate 100-hour inspection performed by company maintenance personnel. Factors contributing to this accident are the fuel control exceeding the manufacturers' service limits; the inoperative fuel filter; the overtemperature of the gas generator…
- [NTSB LAX92LA224](https://openairdocs.org/ntsb/LAX92LA224.md): Hughes 369D · Volcanoes Ntl P, HI · Accident · No injuries · Limited investigation · Final report · May 30, 1992 · N1100A · Substantial damage
  > The total loss of engine power due to a failure of the number 8 bearing. The bearing failure was caused by a lack of engine oil supply and inadequate maintenance.
- [NTSB LAX92LA042](https://openairdocs.org/ntsb/LAX92LA042.md): Beech D18S · Hilo, HI · Accident · No injuries · Limited investigation · Final report · Nov 10, 1991 · N4193 · Substantial damage
  > The aircraft's lack of single engine performance to maintain altitude after the engine lost power. Factors related to the accident were: displacement/mechanical interference within the accessory drive gear system of the left engine, failure of the left engine…
- [NTSB LAX89FA307](https://openairdocs.org/ntsb/LAX89FA307.md): Aero Commander 680FLP · Kailua-Kona, HI · Accident · 1 fatal · Field investigation · Final report · Sep 11, 1989 · N22LR · Destroyed
  > Inadequate maintenance, and operation by the pilot with known deficiencies in the aircraft. Factors related to the accident were: excessive wear in both engines, improper use of powerplant controls by the pilot, subsequent overtemperature/detonation in both…
- [NTSB LAX89LA281](https://openairdocs.org/ntsb/LAX89LA281.md): Aerospatiale AS350D · Volcano, HI · Accident · Serious injuries · Limited investigation · Final report · Aug 19, 1989 · N35970 · Destroyed
  > A catastrophic failure of the power turbine shaft and bearings. The failure was a result of oil starvation due to an excessively worn chip detector o-ring seal,inadequate maintenance and preflight. Contributing factor(s) was: the mountainous terrain.
- [NTSB LAX89LA246](https://openairdocs.org/ntsb/LAX89LA246.md): Hughes 269C · Kalapana, HI · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 1989 · N58344 · Substantial damage
  > The loss of engine power due to the failure of the engine exhaust valve in the no. 2 cylinder and the disregard of the Lycoming service bulletin by company maintenance personnel. Contributing to the accident was the high vegetation and trees located at the…
- [NTSB LAX86LA091](https://openairdocs.org/ntsb/LAX86LA091.md): Bell 206B-3 · Waimea, HI · Accident · Minor injuries · Limited investigation · Final report · Jan 16, 1986 · N3179X · Substantial damage
  > While on a local flt, the plt descended to aprx 500 ft AGL and flew the helicopter along a coastal area. He reported the helicopter suddenly lost power and he initiated an autorotative landing to the beach where the helicopter 'had a hard landing.' An exam…
- [NTSB LAX86LA062](https://openairdocs.org/ntsb/LAX86LA062.md): Cessna 150K · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · Dec 11, 1985 · N6347G · Substantial damage
  > The plt reported that 5 mins after takeoff the eng reduced to idle pwr, & attempts to restore full pwr were unsuccessful. The plt did state that brief periods of pwr obtained by using the hand primer. The acft was unable to maintain alt & was ditched about 25…
- [NTSB LAX84LA401](https://openairdocs.org/ntsb/LAX84LA401.md): Beech H18S · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · Jul 17, 1984 · N21S · Destroyed
  > During takeoff at about 50 ft AGL & 4,000 ft down rwy 4R, the right eng lost power. According to the plt, his airspeed was 105 mph & the right eng 'popped' before it lost power. He also stated that power on the left eng deteriorated after the the right prop…
- [NTSB LAX83LA427](https://openairdocs.org/ntsb/LAX83LA427.md): Beech H18S · Kailua-Kona, HI · Accident · Serious injuries · Limited investigation · Final report · Sep 8, 1983 · N2990F · Destroyed
  > About 1 min after takeoff, between 400-500 ft MSL & during the first power reduction, the right eng backfired. Followingsome more violent backfires the RPM went to zero. The right eng was restarted but the same result occurred. The plt attempted to feather…
- [NTSB LAX83FJA02](https://openairdocs.org/ntsb/LAX83FJA02.md): Piper PA-28-140 · Honolulu, HI · Accident · No injuries · Final report · Nov 16, 1982 · N56351 · Destroyed
  > The eng quit & the plt ditched in the ocean near the beach. The #4 connecting rod shank was found broken at the crankpin bearing housing. One rod bolt head was broken off & the bolt grip was necked down. The nut on this bolt was still on the bolt & flush with…
- [NTSB LAX82IA309](https://openairdocs.org/ntsb/LAX82IA309.md): Mcdonnell Douglas DC-10-30F · Honolulu, HI · Incident · No injuries · Incident investigation · Final report · Aug 22, 1982 · N104WA · Minor damage
  > At rotation, the fire bell and the #2 engine fire warning light came on and the crew noted a power loss on the #2 engine. The takeoff was continued, the engine secured and the fire bottles discharged. The fire continued to burn. The aircraft circled and made…
- [NTSB LAX82DA042](https://openairdocs.org/ntsb/LAX82DA042.md): Convair 440 · Honolulu, HI · Accident · Minor injuries · Final report · Jan 18, 1982 · N21DR · Destroyed
  > After lift-off, the pilot called for the landing gear to be raised. As the plane was climbing through about 100 ft AGL, the pilot noted a loss of power in the right engine and saw a fire light. Ground witnesses heard a muffled explosion and saw smoke and fire…

## 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" = 351)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=351&state=HI

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