# NTSB investigations: 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.

Page 34 of 58 · 2,878 cases

## Cases, newest first

- [NTSB MKC90LA137](https://openairdocs.org/ntsb/MKC90LA137.md): Cessna 180 · Goddard, KS · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1990 · N1655C · Substantial damage
  > Fuel starvation due to a loose fuel strainer screen. A factor related to this accident was lack of suitable terrain for a forced landing.
- [NTSB MKC90LA129](https://openairdocs.org/ntsb/MKC90LA129.md): Rockwell S2R · Tilton, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1990 · N8421V · Substantial damage
  > Failure of the engine blower(supercharger). Related to the accident was the soft/wet terrain, where the forced landing was performed.
- [NTSB LAX90FA213](https://openairdocs.org/ntsb/LAX90FA213.md): Piper PA-32-300 · Havasu Landing, CA · Accident · 3 fatal · Field investigation · Final report · Jun 10, 1990 · N3AH · Destroyed
  > Failure of the pilot to properly secure an oil supply line b-nut fitting after an oil change, which allowed the oil line to become disconnected and led to oil exhaustion and subsequent engine failure. A factor related to the accident was: unsuitable terrain…
- [NTSB LAX90DVA04](https://openairdocs.org/ntsb/LAX90DVA04.md): Grumman-Schweizer G-164B · Buttonwillow, CA · Accident · Serious injuries · Final report · Jun 8, 1990 · N6725K · Destroyed
  > Failure of the #7 cylinder due to a pre-existing crack. The terrain condition was a related factor.
- [NTSB SEA90LA116](https://openairdocs.org/ntsb/SEA90LA116.md): Enstrom F28C · Camas, WA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1990 · N51729 · Substantial damage
  > The failure of a sprag clutch in the rotor-drive mechanism, at an altitude and position that precluded or limited the possibility of a successful outcome.
- [NTSB LAX90FA209](https://openairdocs.org/ntsb/LAX90FA209.md): Cessna 208A · Fresno, CA · Accident · Serious injuries · Field investigation · Final report · Jun 7, 1990 · N803FE · Destroyed
  > A loss of engine oil pressure due to improper maintenance performed on the engine oil filler cap by an unknown person. In addition, the pilot misjudged his landing approach to the runway during the forced landing which resulted in an overshoot and collision…
- [NTSB SEA90LA094](https://openairdocs.org/ntsb/SEA90LA094.md): Cessna A150M · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1990 · N8175V · Substantial damage
  > The fuel starvation caused by carburetor contaminants blocking the accelerator pump inlet check valve assembly and main nozzle assembly.
- [NTSB NYC90LA122](https://openairdocs.org/ntsb/NYC90LA122.md): Bell 47G-3B1 · Becket, MA · Accident · No injuries · Limited investigation · Final report · May 31, 1990 · N39268 · Substantial damage
  > A power loss due to oil starvation, after maintenance personnel failed to comply with Lycoming directives during the engine overhaul. Factors related to the accident were: improper adjustment of the engine oil pressure by maintenance personnel and unsuitable…
- [NTSB LAX90LA198](https://openairdocs.org/ntsb/LAX90LA198.md): Cessna 172E · Glendale, AZ · Accident · Minor injuries · Limited investigation · Final report · May 28, 1990 · N3888S · Substantial damage
  > Fuel exhaustion. Resulting from the pilot's failure to perform refueling.
- [NTSB FTW90LA109](https://openairdocs.org/ntsb/FTW90LA109.md): Cessna 172XP · Leona, TX · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N1650V · Substantial damage
  > Engine power loss due to a totally obstructed air intake manifold. Contributing to the accident was the unsuitable terrain in which the forced landing had to be performed.
- [NTSB NYC90LA111](https://openairdocs.org/ntsb/NYC90LA111.md): Piper PA-28-161 · Fraconia, PA · Accident · No injuries · Limited investigation · Final report · May 25, 1990 · N8120C · Substantial damage
  > The pilot failed to maintain sufficient airspeed to flare for landing. Factors related to the accident were: a power loss due to oil exhaustion, the failure of the pilot to conduct an adequate pre-flight and departing with the oil dip stick loose.
- [NTSB MKC90LA112](https://openairdocs.org/ntsb/MKC90LA112.md): Piper PA-32-300 · Little Rock, AR · Accident · No injuries · Limited investigation · Final report · May 23, 1990 · N301KK · Substantial damage
  > The failure of the powerplant due to a sheared timing gear. Contributing factors were unsuitable terrain and restricted vision due to fog.
- [NTSB LAX90DUM02](https://openairdocs.org/ntsb/LAX90DUM02.md): Cunningham Prescott Pusher · San Diego, CA · Accident · 1 fatal · Final report · May 17, 1990 · N58PP · Destroyed
  > Engine failure due to mechanical failure of he internal components to the engine.
- [NTSB LAX90LA171](https://openairdocs.org/ntsb/LAX90LA171.md): Hughes 369E · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · May 11, 1990 · N5217N · Substantial damage
  > Failure by company maintenance to perform a mandatory compressor section inspection that resulted in the undetected erosion of the compressor vanes and engine failure. Contributing to the accident was the failure of the pilot to maintain adequate main rotor…
- [NTSB LAX90DVG07](https://openairdocs.org/ntsb/LAX90DVG07.md): Grumman G-164A · Gridley, CA · Accident · Serious injuries · Final report · May 8, 1990 · N5368 · Substantial damage
  > Failure of the no.7 cylinder head which led to a forced landing and substantial damage to the aircraft when it nosed over after colliding with a ditch.
- [NTSB FTW90LA103](https://openairdocs.org/ntsb/FTW90LA103.md): Beech BE-35M · Tomball, TX · Accident · No injuries · Limited investigation · Final report · Apr 28, 1990 · N1ZY · Substantial damage
  > An engine failure due to detonation and subsequent piston overtemperature and erosion. A factor related to the accident was the lack of suitable terrain.
- [NTSB FTW90LA102](https://openairdocs.org/ntsb/FTW90LA102.md): Piper PA-32-260 · Tulsa, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 1990 · N7732J · Destroyed
  > An engine failure due to a disconnect in the magneto drive train caused by the crankshaft gear not being properly installed and secured during a recent engine overhaul.
- [NTSB BFO90IA039](https://openairdocs.org/ntsb/BFO90IA039.md): Bellanca 17-30 · Davis, WV · Incident · No injuries · Incident investigation · Final report · Apr 27, 1990 · N4802V · No damage
  > The improper installation of the connecting rod bearings on the number one cylinder.
- [NTSB ANC90LA063](https://openairdocs.org/ntsb/ANC90LA063.md): Bell 206B3 · Williamsport, AK · Accident · No injuries · Limited investigation · Final report · Apr 21, 1990 · N1075G · Substantial damage
  > The manufacturer's inadequate part design and the improper maintenance techniques by the operator.
- [NTSB FTW90DRA04](https://openairdocs.org/ntsb/FTW90DRA04.md): Grumman 164A · Garwood, TX · Accident · No injuries · Final report · Apr 20, 1990 · N5295 · Substantial damage
  > Failure of the number 8 cylinder.
- [NTSB FTW90LA096](https://openairdocs.org/ntsb/FTW90LA096.md): Bell 206L-1 · E. Island Blk15 · Accident · Serious injuries · Limited investigation · Final report · Apr 17, 1990 · N1071A · No damage
  > The loss of continuity in the compressor section of the engine due to a fatique failure of the spur adapter gear shaft.
- [NTSB ATL90FA099](https://openairdocs.org/ntsb/ATL90FA099.md): Airship Industries Airship 600 · Creswell, NC · Accident · No injuries · Field investigation · Final report · Apr 15, 1990 · N602SK · Substantial damage
  > The failure of the electronic ignition units as the Airship traversed the directional antenna beam of a high intensity radiated electromagnetic field (hirf). Factors related to the accident were: the unfavorable wind and the lack of hirf certification…
- [NTSB ANC90LA054](https://openairdocs.org/ntsb/ANC90LA054.md): Piper PA-18 · Willow, AK · Accident · No injuries · Limited investigation · Final report · Apr 13, 1990 · N40872 · Substantial damage
  > Improper installation of the fuel valve.
- [NTSB MKC90LA081](https://openairdocs.org/ntsb/MKC90LA081.md): Air Tractor AT-401 · Hornersville, MO · Accident · No injuries · Limited investigation · Final report · Apr 5, 1990 · N1015A · Substantial damage
  > Failure of an engine cylinder.
- [NTSB ATL90LA091](https://openairdocs.org/ntsb/ATL90LA091.md): PZL 80 · Wilmington, NC · Accident · No injuries · Limited investigation · Final report · Apr 3, 1990 · N2246U · Substantial damage
  > Pilot's failure to properly adjust the throttle friction which resulted in the disconnection of the entire assembly.
- [NTSB NYC90LA081](https://openairdocs.org/ntsb/NYC90LA081.md): Cessna 182-K · Limington, ME · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 1990 · N1895Q · Destroyed
  > Fuel starvation, due to carburetor contamination, which resulted in a forced landing in unsuitable terrain.
- [NTSB MIA90LA096](https://openairdocs.org/ntsb/MIA90LA096.md): Bell 47D1 · Rockledge, FL · Accident · No injuries · Limited investigation · Final report · Mar 25, 1990 · N10326 · Substantial damage
  > Failure of a connecting rod.
- [NTSB CHI90LA101](https://openairdocs.org/ntsb/CHI90LA101.md): Piper PA-28R-200 · Monee, IL · Accident · Minor injuries · Limited investigation · Final report · Mar 23, 1990 · N4490X · Substantial damage
  > Engine failure due to oil starvation resulting from improper maintenance and directive compliance associated with the failed part.
- [NTSB MKC90IA070](https://openairdocs.org/ntsb/MKC90IA070.md): Boeing 737-300 · Wichita, KS · Incident · Minor injuries · Incident investigation · Final report · Mar 17, 1990 · N17317 · Minor damage
  > Improper installation of level arm.
- [NTSB FTW90LA084](https://openairdocs.org/ntsb/FTW90LA084.md): Cessna 172G · Rio Hondo, TX · Accident · No injuries · Limited investigation · Final report · Mar 17, 1990 · N4696L · Substantial damage
  > Oil starvation induced power loss due to improper maintenance procedures. Contributing to the accident were inadequate maintenance inspection and the soft terrain in which the forced landing was performed.
- [NTSB MIA90FA090](https://openairdocs.org/ntsb/MIA90FA090.md): Butler Aerostar 601 · Lake Butler, FL · Accident · Minor injuries · Field investigation · Final report · Mar 16, 1990 · N7443S · Destroyed
  > Inflight failure of the left engine which was caused by inadequate maintenance and inspection by company maintenance personnel resulting in heat damaged magneto leads as a result of a missing exhaust flange-to-turbocharger seal. In addition, the inflight…
- [NTSB MIA90IA086](https://openairdocs.org/ntsb/MIA90IA086.md): Stinson AT-19 · Titusville, FL · Incident · No injuries · Incident investigation · Final report · Mar 11, 1990 · N69996 · Minor damage
  > Total loss of engine power was undetermined.
- [NTSB MIA90FA081](https://openairdocs.org/ntsb/MIA90FA081.md): Aerospatiale 350D · Miami, FL · Accident · 2 fatal · Field investigation · Final report · Mar 8, 1990 · N5778W · Destroyed
  > Fatigue failure of an engine turbine blade, which resulted in a loss of power. Rough ocean water in the emergency landing area was a related factor.
- [NTSB MKC90LA061](https://openairdocs.org/ntsb/MKC90LA061.md): Rockwell S-2R · Monette, AR · Accident · No injuries · Limited investigation · Final report · Mar 6, 1990 · N8522V · Substantial damage
  > Failure of the engine exhaust valve.
- [NTSB DEN90IA072](https://openairdocs.org/ntsb/DEN90IA072.md): Cessna 208A · Wright, WY · Incident · No injuries · Incident investigation · Final report · Mar 6, 1990 · N812FE · No damage
  > The incident was engine failure due to gas producer turbine disc blade failure caused by stress rupture.
- [NTSB FTW90LA078](https://openairdocs.org/ntsb/FTW90LA078.md): Cessna T50-A17 · Brackettville, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 4, 1990 · N578EK · Substantial damage
  > An engine failure caused by a malfunctioning carburetor and the pilot's misjudging his obstacle clearance which resulted in a wire strike while maneuvering to land. Factors in the accident were the uncommanded deployment of carburetor heat on both engines, an…
- [NTSB NYC90LA074](https://openairdocs.org/ntsb/NYC90LA074.md): Cessna 177B · Oxford, MA · Accident · No injuries · Limited investigation · Final report · Mar 3, 1990 · N34873 · Substantial damage
  > An off airport landing in unsuitable terrain following a power loss due to a delaminated ceet duct between the air intake screen and carburetor air box.
- [NTSB MIA90FA074](https://openairdocs.org/ntsb/MIA90FA074.md): Cessna 210-M · Sarasota, FL · Accident · Serious injuries · Field investigation · Final report · Feb 26, 1990 · N525CW · Destroyed
  > The total loss of engine power caused by crankshaft failure, due to fatigue cracking of undetermined origin.
- [NTSB SEA90LA050](https://openairdocs.org/ntsb/SEA90LA050.md): Cessna 140 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1990 · N2197V · Substantial damage
  > Engine loss of power was due to moisture damage to the coils in the magnetoes. During the forced landing in an open field, the airplane collided with a fence which resulted in substantial damage. The airplane had not undergone current maintenance inspections…
- [NTSB DEN90LA064](https://openairdocs.org/ntsb/DEN90LA064.md): Cessna 170A · Gallup, NM · Accident · No injuries · Limited investigation · Final report · Feb 23, 1990 · N9130A · Substantial damage
  > Improper operation of the engine during preflight preparation, which resulted in overheating of the engine and damage to internal components.
- [NTSB DEN90LA060](https://openairdocs.org/ntsb/DEN90LA060.md): Cessna T207 · Hungry Horse, MT · Accident · Minor injuries · Limited investigation · Final report · Feb 22, 1990 · N91146 · Destroyed
  > Failure of the #4 connecting rod. Factors related to the accident were: the adverse weather conditions and lack of suitable terrain for a forced landing.
- [NTSB MKC90LA054](https://openairdocs.org/ntsb/MKC90LA054.md): Cessna 152 · Crane Lake, MN · Accident · No injuries · Limited investigation · Final report · Feb 19, 1990 · N67366 · Substantial damage
  > Failure of the connecting rod assembly. Factors related to the accident were: terrain conditions in the emergency landing area.
- [NTSB CHI90IA084](https://openairdocs.org/ntsb/CHI90IA084.md): Short Brothers SD3-60 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Feb 19, 1990 · N361MQ · Minor damage
  > Fatigue failure of a first stage power turbine blade.
- [NTSB NYC90LA068](https://openairdocs.org/ntsb/NYC90LA068.md): Piper PA-28-181 · Worcester, MA · Accident · Minor injuries · Limited investigation · Final report · Feb 14, 1990 · N763DS · Substantial damage
  > A power loss due to an oil pump failure while operating over unsuitable terrain. A factor related to the accident was night conditions.
- [NTSB MIA90FA071](https://openairdocs.org/ntsb/MIA90FA071.md): Piper PA-28-161 · Roseland, FL · Accident · No injuries · Field investigation · Final report · Feb 14, 1990 · N8432P · Substantial damage
  > The engine failure due to fuel starvation caused by a needle valve in the carburetor which allows fuel to enter the carburetor bowl, stuck in the closed position for undetermined reasons resulting in the forced landing.
- [NTSB DEN90FA055](https://openairdocs.org/ntsb/DEN90FA055.md): Mitsubishi MU-2B-60 · Rapid City, SD · Accident · 1 fatal · Field investigation · Final report · Feb 9, 1990 · N64MD · Substantial damage
  > Failure of the pilot to maintain adequate airspeed (VMC), which resulted in a loss of aircraft control. A factor related to the accident was: fatigue failure of a coupling shaft in the #1 engine, which resulted in loss of power in that engine.
- [NTSB CHI90LA076](https://openairdocs.org/ntsb/CHI90LA076.md): Piper PA28-180 · South Webster, OH · Accident · No injuries · Limited investigation · Final report · Feb 6, 1990 · N5236L · Substantial damage
  > An engine failure. Soft terrain in the forced landing area is a factor.
- [NTSB FTW90LA058](https://openairdocs.org/ntsb/FTW90LA058.md): Piper PA-28-161 · Austin, TX · Accident · No injuries · Limited investigation · Final report · Jan 25, 1990 · N30057 · Substantial damage
  > Failure of the rocker arm in the engine driven fuel pump.
- [NTSB NYC90LA053](https://openairdocs.org/ntsb/NYC90LA053.md): Mooney M20 · Brogue, PA · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 1990 · N231FH · Destroyed
  > Off airport landing due to an engine power loss due to failure of the no. 2 crankshaft bearing.
- [NTSB FTW90LA055](https://openairdocs.org/ntsb/FTW90LA055.md): Piper PA-32R-301T · Liberty, TX · Accident · No injuries · Limited investigation · Final report · Jan 14, 1990 · N8128B · Substantial damage
  > Loss of engine power due to failure of the tappet faces. A factor in the accident was the unsuitable terrain in which the forced landing was made.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=35

## 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."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&page=34

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