# 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 33 of 58 · 2,878 cases

## Cases, newest first

- [NTSB DEN90LA193](https://openairdocs.org/ntsb/DEN90LA193.md): Cessna 310J · Colorado Spring, CO · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 1990 · N3132L · Substantial damage
  > The loss of power on one engine due to excessive fuel pressure and the pilot's feathering of the wrong propeller. Factor(s) were: operation of aircraft with known deficiencies by pilot and operator.
- [NTSB ATL90LA172](https://openairdocs.org/ntsb/ATL90LA172.md): Cessna 172RG · Ozark, AL · Accident · No injuries · Limited investigation · Final report · Sep 17, 1990 · N6411V · Substantial damage
  > Inadequate engine overhaul procedures which allowed the installation of the engine plug without safety wire to hold it in place, and which resulted in oil starvation of the engine.
- [NTSB SEA90GA180](https://openairdocs.org/ntsb/SEA90GA180.md): Bell 204B · Keller, WA · Accident · 1 fatal · Final report · Sep 12, 1990 · CGKQH · Destroyed
  > The total loss of engine power due to turbine blade separation while the pilot was operating in the aircraft at a gross weight that exceeded performance specifications for existing meteorological conditions. Factors include the failure or inability to…
- [NTSB NYC90DEI02](https://openairdocs.org/ntsb/NYC90DEI02.md): Grumman AA5B · Beachwood, OH · Accident · Serious injuries · Final report · Sep 11, 1990 · N74242 · Destroyed
  > The engine failure due to an improper engine overhaul performed by unqualified persons. The unsuitable terrain was a factor.
- [NTSB FTW90DRA08](https://openairdocs.org/ntsb/FTW90DRA08.md): Blaine Laux Pitts S-1 · Edna, TX · Accident · No injuries · Final report · Sep 9, 1990 · N2MN · Substantial damage
  > A power loss due to failure of a connecting rod bolt. A factor was the soft terrain in which the forced landing was performed.
- [NTSB NYC90FA215](https://openairdocs.org/ntsb/NYC90FA215.md): Piper PA-32RT-300 · Montgomery, NY · Accident · 4 fatal · Field investigation · Final report · Sep 8, 1990 · N9327C · Destroyed
  > An inadequate preflight by the pilot which resulted in a power loss due to fuel exhaustion.
- [NTSB MIA90LA181](https://openairdocs.org/ntsb/MIA90LA181.md): Piper J3C-65 · Opa-Locka, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 1990 · N70659 · Substantial damage
  > Engine failure due to lack of oil supply to the number 3 cylinder connecting rod for undetermined reasons. This allowed the connecting rod end cap to separate through the case resulting in oil exhaustion.
- [NTSB NYC90LA208](https://openairdocs.org/ntsb/NYC90LA208.md): Piper J5 CUB · Douglas, MA · Accident · No injuries · Limited investigation · Final report · Aug 31, 1990 · N38428 · Substantial damage
  > A total engine failure when the #3 exhaust valve failed, causing internal damage to the engine. Factors related to the accident were: the pilot had to make a forced landing in unsuitable terrain.
- [NTSB LAX90DUG09](https://openairdocs.org/ntsb/LAX90DUG09.md): Miles Atwood 1 · Chino, CA · Accident · Minor injuries · Final report · Aug 31, 1990 · N225YY · Substantial damage
  > Loss of engine power due to a fuel line separation.
- [NTSB NYC90DFJ04](https://openairdocs.org/ntsb/NYC90DFJ04.md): Schweizer Grumman G-164A · Wayland, NY · Accident · No injuries · Final report · Aug 30, 1990 · N48395 · Substantial damage
  > A cracked engine cylinder assembly, which resulted in loss of engine power.
- [NTSB FTW90FA171](https://openairdocs.org/ntsb/FTW90FA171.md): Cessna 320 · Center, TX · Accident · 1 fatal · Field investigation · Final report · Aug 30, 1990 · N377S · Destroyed
  > The pilot's failure to maintain minimum control speed (VMC) and lack of qualification/training in multi-engine aircraft, which resulted in loss of aircraft control. A factor related to the accident was: failure of the left engine turbocharger, which resulted…
- [NTSB CHI90LA249](https://openairdocs.org/ntsb/CHI90LA249.md): Ryan PT-22A · Greenville, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1990 · N5481L · Substantial damage
  > Separation of a loose cylinder assembly in flight, and unsuitable terrain encountered during the execution of a forced landing.
- [NTSB SEA90LA169](https://openairdocs.org/ntsb/SEA90LA169.md): Cessna T210N · Florence, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 1990 · N1911U · Substantial damage
  > The failure of an engine cylinder head. Collision with a log during the landing was a factor related to the accident.
- [NTSB NYC90FA199](https://openairdocs.org/ntsb/NYC90FA199.md): Piper PA-31T2 · Mattapan, MA · Accident · 3 fatal · Field investigation · Final report · Aug 24, 1990 · N85HB · Destroyed
  > The pilot's improper in-flight planning/decision, which resulted in his failure to maintain control of the aircraft. Factors related to the accident were: failure of the left fuel control unit, and the adverse weather conditions.
- [NTSB MIA90LA176](https://openairdocs.org/ntsb/MIA90LA176.md): Grumman 164-A · Dundee, MS · Accident · No injuries · Limited investigation · Final report · Aug 24, 1990 · N9650 · Substantial damage
  > Improper maintenance repair by an unknown person that initiated the engine failure and the forced landing.
- [NTSB DEN90LA173](https://openairdocs.org/ntsb/DEN90LA173.md): Cessna T-210-L · Edgewood, NM · Accident · No injuries · Limited investigation · Final report · Aug 23, 1990 · N5397V · Substantial damage
  > Engine failure due to a broken connecting rod. A factor was the rough uneven terrain available for the forced landing.
- [NTSB NYC90DHD03](https://openairdocs.org/ntsb/NYC90DHD03.md): Heinrichs Rand KR-2 · Barnegat, NJ · Accident · Minor injuries · Final report · Aug 17, 1990 · N63BH · Destroyed
  > The loss of engine power due to magneto failure.
- [NTSB ANC90LA147](https://openairdocs.org/ntsb/ANC90LA147.md): Aerospatiale AS-350-B · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 1990 · N26492 · Substantial damage
  > Failure of the free turbine intermediate pinion driven gear and subsequent disintegration of the free turbine assembly.
- [NTSB LAX90LA289](https://openairdocs.org/ntsb/LAX90LA289.md): Cessna 172M · Goleta, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 16, 1990 · N80981 · Destroyed
  > The loss of engine oil pressure for undetermined reasons.
- [NTSB DEN90DQA03](https://openairdocs.org/ntsb/DEN90DQA03.md): Piper PA-25-235 · Fabens, TX · Accident · No injuries · Final report · Aug 15, 1990 · N7178Z · Substantial damage
  > Engine failure due to shorting of the magneto's 'p' lead, and failure of the exhaust manifold.
- [NTSB FTW90DPG08](https://openairdocs.org/ntsb/FTW90DPG08.md): Air Tractor AT-301 · Corning, AR · Accident · Serious injuries · Final report · Aug 14, 1990 · N4433S · Substantial damage
  > Blockage of the carburetor Air intake by a collapsed Air induction hose due to improper maintenance by an unknown party.
- [NTSB LAX90LA284](https://openairdocs.org/ntsb/LAX90LA284.md): Mooney M20C · Lodi, CA · Accident · No injuries · Limited investigation · Final report · Aug 11, 1990 · N9236M · Destroyed
  > The pilot to continue his flight with a unresolved deficiency in the aircraft powerplant resulting in total failure of the powerplant.
- [NTSB SEA90LA159](https://openairdocs.org/ntsb/SEA90LA159.md): Cessna 182H · Wenatchee, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 1990 · N2473X · Substantial damage
  > Improper installation of the oil filter gasket by maintenance personnel resulting in loss of engine oil and seizure of the engine.
- [NTSB ATL90FA157](https://openairdocs.org/ntsb/ATL90FA157.md): Beech E18S · Greenwood, SC · Accident · 1 fatal · Field investigation · Final report · Aug 10, 1990 · N563W · Destroyed
  > The pilot's improper emergency procedure by shutting down the wrong engine, which resulted in a forced landing. Factors related to the accident were: failure of the number three intake valve in the right engine due to fatigue, and trees in the emergency…
- [NTSB MIA90FA166](https://openairdocs.org/ntsb/MIA90FA166.md): Rockwell 680-E · Titusville, FL · Accident · Serious injuries · Field investigation · Final report · Aug 5, 1990 · N599BB · Destroyed
  > The pilot's decision to continue the flight with a known unairworthy mechanical condition resulting in a subsequent loss of engine power and forced landing.
- [NTSB LAX90DXQ03](https://openairdocs.org/ntsb/LAX90DXQ03.md): Air Tractor AT-401 · Tule Lake, CA · Accident · Minor injuries · Final report · Aug 4, 1990 · N45116 · Substantial damage
  > An engine failure due to mechanical failure of the distributor.
- [NTSB ANC90FA134](https://openairdocs.org/ntsb/ANC90FA134.md): Helio Courier H-295 · 40 Se Bettles, AK · Accident · 3 fatal · Field investigation · Final report · Aug 4, 1990 · N6493V · Destroyed
  > The failure and separation of the #5 connecting rod bolt and cap which resulted in the rupture of the engine housing and subsequent engine fire due to oil spillage, and an inadequately mounted vertical fin/stabilator. A contributing factor was the inadequate…
- [NTSB ATL90IA154](https://openairdocs.org/ntsb/ATL90IA154.md): Dassault DA20F · Chamblee, GA · Incident · No injuries · Incident investigation · Final report · Aug 3, 1990 · N457F · Minor damage
  > The right fuel control unit malfunctioned and allowed the engine speed to decrease below idle speed (45%) which resulted in an engine fire. Factors in the incident were: the improper rigging of the fuel control unit during installation, and the flight crew's…
- [NTSB ANC90LA129](https://openairdocs.org/ntsb/ANC90LA129.md): Piper PA-31 · Naked Island, AK · Accident · No injuries · Limited investigation · Final report · Aug 2, 1990 · N27425 · Substantial damage
  > A left engine failure for undetermined reasons.
- [NTSB SEA90LA152](https://openairdocs.org/ntsb/SEA90LA152.md): Boson Starduster TOO · Pinedale, WY · Accident · No injuries · Limited investigation · Final report · Aug 1, 1990 · N18YB · Substantial damage
  > The loss of engine power due to failure of the ignition coil, and the lack of suitable terrain for a forced landing. Failure of the ignition coil resulting in a total loss of engine power. The lack of suitable terrain was a factor related to the accident.
- [NTSB SEA90LA148](https://openairdocs.org/ntsb/SEA90LA148.md): Bell BH-214 · Thompson Falls, MT · Accident · No injuries · Limited investigation · Final report · Jul 28, 1990 · N314RM · Substantial damage
  > Crew's encounter with soft terrain while attempting an autorotation landing after the failure of the main rotor drive system.
- [NTSB DEN90FA166](https://openairdocs.org/ntsb/DEN90FA166.md): Cessna 208A · Ruidoso, NM · Accident · No injuries · Field investigation · Final report · Jul 27, 1990 · N105YV · Substantial damage
  > Engine failure due to failure of the gas producer and power turbine assemblies. A factor in the accident was the lack of suitable terrain for the forced landing.
- [NTSB LAX90DVA07](https://openairdocs.org/ntsb/LAX90DVA07.md): Air Tractor AT-401 · San Joaquin, CA · Accident · 1 fatal · Final report · Jul 26, 1990 · N7315S · Substantial damage
  > The failure of the no. 4 cylinder head.
- [NTSB CHI90LA198](https://openairdocs.org/ntsb/CHI90LA198.md): Fairchild Hiller FH-1100 · Ozark, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1990 · N442FH · Substantial damage
  > Total loss of engine power due to #2 turbine shaft bearing failure. A factor related to the accident was: none suitable terrain.
- [NTSB FTW90LA135](https://openairdocs.org/ntsb/FTW90LA135.md): Piper PA-24 · West Fork, AR · Accident · No injuries · Limited investigation · Final report · Jul 23, 1990 · N7202P · Substantial damage
  > The catastrophic failure of the engine.
- [NTSB ATL90LA148](https://openairdocs.org/ntsb/ATL90LA148.md): Cessna 182 · Sanford, NC · Accident · No injuries · Limited investigation · Final report · Jul 23, 1990 · N58469 · Substantial damage
  > The failure of the no.1 piston, for undetermined reasons, which resulted in a complete loss of engine power. A factor to the accident was, the forced landing in a soft field.
- [NTSB CHI90DEE08](https://openairdocs.org/ntsb/CHI90DEE08.md): Ronald D. Cothern Quickie · Plainfield, IL · Accident · No injuries · Final report · Jul 21, 1990 · N701RC · Substantial damage
  > Separation of an ignition lead, resulting in loss of engine power. A factor in the accident was the pilot's inadequate preflight inspection.
- [NTSB CHI90IA181](https://openairdocs.org/ntsb/CHI90IA181.md): Bell 206A · Lake Ozark, MO · Incident · No injuries · Incident investigation · Final report · Jul 19, 1990 · N206AT · Minor damage
  > Compression assembly blade and emergency floatation gear failure.
- [NTSB SEA90LA137](https://openairdocs.org/ntsb/SEA90LA137.md): Sikorsky S-58BT · Ovando, MT · Accident · No injuries · Limited investigation · Final report · Jul 16, 1990 · N439DS · Substantial damage
  > The pilot did not maintain rotor RPM after a compressor assembly blade failure. A related factor was an inadequate autorotation resulting in a hard landing.
- [NTSB ANC90FA117](https://openairdocs.org/ntsb/ANC90FA117.md): Bell 206L-1 · Farewell, AK · Accident · Serious injuries · Field investigation · Final report · Jul 14, 1990 · N300AH · Substantial damage
  > An internal engine failure due to a thermal fatigue failure of the 1st stage turbine wheel as a result of overtemperature. The high rough/uneven terrain prevented a successful autorotation.
- [NTSB DEN90FA159](https://openairdocs.org/ntsb/DEN90FA159.md): Cessna P210R · Ogden, UT · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1990 · N6203A · Destroyed
  > Failure of the #1 piston due to pre-ignition/detonation in the #1 cylinder, and inadequate visual lookout by the pilot (his failure to see-and-avoid the obstruction). The obstruction (power line) was a related factor.
- [NTSB NYC90FA156](https://openairdocs.org/ntsb/NYC90FA156.md): Bell 206 B3 · Teterboro, NJ · Accident · No injuries · Field investigation · Final report · Jul 10, 1990 · N73LM · Substantial damage
  > Failed power turbine shaft. Factors in the accident were corrosion on the power turbine shaft and inadequate manufacturer's service bulletins.
- [NTSB LAX90LA247](https://openairdocs.org/ntsb/LAX90LA247.md): Beech A-35 · Santa Ynez, CA · Accident · No injuries · Limited investigation · Final report · Jul 8, 1990 · N8663A · Destroyed
  > An engine failure due to fuel leakage from a ruptured diaphram in the carburetor; failure of the aircraft owner to comply with the manufacturer's recommended component overhaul intervals.
- [NTSB DEN90IA154](https://openairdocs.org/ntsb/DEN90IA154.md): Aerospatiale A-300B4 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Jul 4, 1990 · N72990 · Minor damage
  > Engine failure due to turbine wheel failure, induced by fatigue.
- [NTSB ANC90LA108](https://openairdocs.org/ntsb/ANC90LA108.md): Cessna 185 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Jul 2, 1990 · N53046 · Substantial damage
  > Total loss of engine power caused by the failure of the piston rod assemblies.
- [NTSB ANC90LA104](https://openairdocs.org/ntsb/ANC90LA104.md): Cessna 170B · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jun 30, 1990 · N8054A · Substantial damage
  > A power loss due to a fatigue failure of the #5 exhaust rocker arm.
- [NTSB ATL90LA138](https://openairdocs.org/ntsb/ATL90LA138.md): Bell BH-47G · Seagrove, NC · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 1990 · N3081G · Substantial damage
  > Failure of a number four connecting rod bolt for an undetermined reason.
- [NTSB MIA90LA146](https://openairdocs.org/ntsb/MIA90LA146.md): Ayres S-2R · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · Jun 27, 1990 · N4909X · Destroyed
  > Engine failure due to failure of the engine driven fuel pump shaft due to undetermined reasons.
- [NTSB ANC90LA098](https://openairdocs.org/ntsb/ANC90LA098.md): De Havilland DHC-2 · Caribou Lake, AK · Accident · No injuries · Limited investigation · Final report · Jun 27, 1990 · N5147G · Substantial damage
  > A power loss caused by the failure of a piston cylinder.
- [NTSB ANC90FA097](https://openairdocs.org/ntsb/ANC90FA097.md): Cessna 206 · Fairbanks, AK · Accident · Serious injuries · Field investigation · Final report · Jun 27, 1990 · N7560G · Substantial damage
  > The failure of the wristpin caused the separation of the connecting rod from the piston and subsequent seizure of the engine. A factor was unavailability of a suitable forced landing area.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=34

## 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=33

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