# 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 22 of 58 · 2,878 cases

## Cases, newest first

- [NTSB NYC95LA066](https://openairdocs.org/ntsb/NYC95LA066.md): Cessna 175 · Quantico, VA · Accident · No injuries · Limited investigation · Final report · Mar 3, 1995 · N7175M · Substantial damage
  > the failure of a connecting rod, which resulted in the total loss of engine power. Subsequently, the airplane was ditched.
- [NTSB ATL95LA058](https://openairdocs.org/ntsb/ATL95LA058.md): Cessna 150L · Jefferson, GA · Accident · No injuries · Limited investigation · Final report · Mar 3, 1995 · N1321Q · Substantial damage
  > The loss of engine power because of sticking valves. A factor was the continuous use of an improper fuel grade.
- [NTSB CHI95LA097](https://openairdocs.org/ntsb/CHI95LA097.md): Piper PA-32RT · Joliet, IL · Accident · No injuries · Limited investigation · Final report · Mar 1, 1995 · N1978J · Substantial damage
  > the failure of the number four cylinder due to a loose cylinder hold down stud. A factor in the accident was the embankment.
- [NTSB FTW95LA131](https://openairdocs.org/ntsb/FTW95LA131.md): Piper PA-24-250 · Carlsbad, NM · Accident · Minor injuries · Limited investigation · Final report · Feb 26, 1995 · N5613P · Substantial damage
  > Fuel exhaustion engine power loss due to a leak in the fuel system. Factors were dark night conditions and the lack of suitable terrain for the forced landing.
- [NTSB SEA95LA056](https://openairdocs.org/ntsb/SEA95LA056.md): Pitts S-2B · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N49335 · Substantial damage
  > Fatigue failure of the crankshaft. Factors were the soft terrain and the pilot/owner's failure to conduct recurring crankshaft inspections recommended by the manufacturer.
- [NTSB ATL95LA055](https://openairdocs.org/ntsb/ATL95LA055.md): Grumman AA-5B · Salisbury, NC · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N28815 · Substantial damage
  > The separation of the oil line to the oil cooler which resulted in a loss of engine oil and subsequent engine seizure.
- [NTSB NYC95LA063](https://openairdocs.org/ntsb/NYC95LA063.md): Beech 35 · Shadyside, OH · Accident · No injuries · Limited investigation · Final report · Feb 24, 1995 · N3344V · Substantial damage
  > The loss of oil pressure, which resulted in the number six connecting rod failure and penetration through the crankcase.
- [NTSB MIA95LA080](https://openairdocs.org/ntsb/MIA95LA080.md): Mooney M20E · Mclain, MS · Accident · No injuries · Limited investigation · Final report · Feb 23, 1995 · N7142U · Substantial damage
  > The improper reassembly of the servo fuel injector during overhaul by maintenance personnel. This resulted in a total loss of engine power during cruise flight due to fuel starvation, forced landing, and subsequent on-ground collision with a fixed object…
- [NTSB FTW95LA119](https://openairdocs.org/ntsb/FTW95LA119.md): Beech 60 · Santa Rosa, NM · Accident · No injuries · Limited investigation · Final report · Feb 23, 1995 · N100BL · Substantial damage
  > The failure of the right engine's turbocharger resulting in oil starvation and subsequent failure of the #5 connecting rod which penetrated the crankcase, and the failure of the left engine's turbocharger resulting in the loss of power on both engines.…
- [NTSB MIA95LA078](https://openairdocs.org/ntsb/MIA95LA078.md): Hughes 500C · Key Largo, FL · Accident · No injuries · Limited investigation · Final report · Feb 20, 1995 · N7172Z · Substantial damage
  > The pilot's misjudgment of altitude and failure to apply collective cushioning pitch during an autorotation resulting in a hard landing. Contributing to the accident was a total loss of engine power due to a loose coupling B-nut on the pneumatic fuel control…
- [NTSB FTW95LA117](https://openairdocs.org/ntsb/FTW95LA117.md): Cessna 172RG · Plano, TX · Accident · No injuries · Limited investigation · Final report · Feb 17, 1995 · N5096U · Substantial damage
  > The disengagement of the crankshaft gear due to the loosening of the gear retaining bolt and the subsequent fracture of the gear alignment dowel. A factor was the lack of suitable terrain available for the forced landing.
- [NTSB ATL95LA051](https://openairdocs.org/ntsb/ATL95LA051.md): Taylorcraft F19 · Tullahoma, TN · Accident · No injuries · Limited investigation · Final report · Feb 13, 1995 · N20001 · Substantial damage
  > A lack of lubricant to the starter/roller clutch, seizure of the starter, and failure of the four crankshaft gear capscrews (bolts), which resulted in disengagement of the crankshaft (accessory) gear and subsequent loss of engine power.
- [NTSB SEA95LA050](https://openairdocs.org/ntsb/SEA95LA050.md): Beech S-35 · Wolf Point, MT · Accident · No injuries · Limited investigation · Final report · Feb 11, 1995 · N8828M · Substantial damage
  > The loss of power due to lost oil pressure and a failed connecting rod. Factors include fence posts and dusk lighting conditions which limited visibility.
- [NTSB MIA95LA066](https://openairdocs.org/ntsb/MIA95LA066.md): Beech 35 · Sardis, MS · Accident · No injuries · Limited investigation · Final report · Jan 28, 1995 · N5116C · Substantial damage
  > A loss of engine power due to fuel starvation caused by a fuel selector stem failure, due to wear, that precluded the pilot from selecting a fuel tank that had fuel.
- [NTSB MIA95LA065](https://openairdocs.org/ntsb/MIA95LA065.md): Bell 206-B3 · Miami, FL · Accident · No injuries · Limited investigation · Final report · Jan 28, 1995 · N5008N · Substantial damage
  > Inadequate maintenance and inspection, and a loose fuel pc line. The wires were a factor which necessitated early collective pitch.
- [NTSB CHI95LA075](https://openairdocs.org/ntsb/CHI95LA075.md): Beech C45H · New Hudson, MI · Accident · No injuries · Limited investigation · Final report · Jan 24, 1995 · N618K · Substantial damage
  > The owner/pilot's inadequate maintenance practices which resulted in a loss of engine power shortly after takeoff and the pilot's inadequate emergency procedure after the power loss occurred. Related factors are trees, diminished airspeed and abrupt touchdown.
- [NTSB CHI95FA071](https://openairdocs.org/ntsb/CHI95FA071.md): Bacon QUESTAIR-VENTURE · Des Moines, IA · Accident · 2 fatal · Field investigation · Final report · Jan 21, 1995 · N4QV · Destroyed
  > The pilot's failure to maintain aircraft control during the emergency descent, resulting in a stall/spin. Factors were material defects in the material used to manufacture the crankshaft, resulting in the crankshaft fracturing after approximately 200 hours in…
- [NTSB FTW95GA090](https://openairdocs.org/ntsb/FTW95GA090.md): Hughes 269C · Dumont, TX · Accident · No injuries · Final report · Jan 12, 1995 · N796 · Destroyed
  > The loss of engine power due to overstress fractures of the #3 cylinder connecting rod cap bolts. The origin of the fractures could not be determined.
- [NTSB ATL95FA036](https://openairdocs.org/ntsb/ATL95FA036.md): Cessna 414 · Augusta, GA · Accident · 4 fatal · Field investigation · Final report · Jan 12, 1995 · N13SE · Destroyed
  > The loss of power on the left engine for undetermined reasons. A factor was the failure of the right engine due to maintenance personnel's failure to properly torque the cylinder through bolts.
- [NTSB NYC95FA049](https://openairdocs.org/ntsb/NYC95FA049.md): Beech G35 · West Palm Beach, FL · Accident · 1 fatal · Field investigation · Final report · Jan 9, 1995 · N32TS · Destroyed
  > Improper top overhaul by maintenance personnel, and improperly torqued crackcase thru-bolts and cylinder deck studs at the number one cylinder, which led to fatigue failure of four of the bolts, failure and/or separation of the number one cylinder, and a…
- [NTSB MIA95LA056](https://openairdocs.org/ntsb/MIA95LA056.md): Mooney 20J · St. Petersburg, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 8, 1995 · N205MD · Substantial damage
  > The failure of the No. 3 connecting rod bolt due to oil starvation for undetermined reasons. This resulted in a total loss of engine power, forced landing, and subsequent ditching.
- [NTSB FTW95FA082](https://openairdocs.org/ntsb/FTW95FA082.md): Beech A60 · Hurley, NM · Accident · 3 fatal · Field investigation · Final report · Jan 6, 1995 · N3LP · Destroyed
  > The pilot's failure to maintain airspeed during a single engine approach resulting in an inadvertent stall. Factors were a fatigue separation of a shaft in the left engine turbocharger due to use of a Federal Aviation Administration approved overhaul…
- [NTSB CHI95LA065](https://openairdocs.org/ntsb/CHI95LA065.md): Lake LA-4-200 · Int'L Falls, MN · Accident · No injuries · Limited investigation · Final report · Jan 4, 1995 · CFGDZ · Substantial damage
  > engine oil exhaustion due to a frozen crankcase breather line and noncompliance with an airworthiness directive.
- [NTSB FTW95LA072](https://openairdocs.org/ntsb/FTW95LA072.md): Piper PA-12 · La Porte, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 24, 1994 · N2820M · Substantial damage
  > Loss of engine power due to fuel starvation as result of the failure of the glass bowl on the gascolator. A factor was the lack of suitable terrain at the pilot's disposal to execute a forced landing.
- [NTSB FTW95LA065](https://openairdocs.org/ntsb/FTW95LA065.md): Commonwealth Rearwin 185 · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Dec 12, 1994 · N93290 · Substantial damage
  > Oil exhaustion and subsequent engine seizure due to a missing oil drain plug. Factors were the inadequate maintenance and the lack of suitable terrain for a forced landing.
- [NTSB SEA95LA028](https://openairdocs.org/ntsb/SEA95LA028.md): Piper PA-28-236 · Medicine Bow, WY · Accident · No injuries · Limited investigation · Final report · Dec 10, 1994 · N4300V · Substantial damage
  > The failure of the magneto system due to shorting of both magneto coils to the magneto housing and the lack of suitable terrain to make a forced landing.
- [NTSB ATL95LA025](https://openairdocs.org/ntsb/ATL95LA025.md): Cessna 175A · Greenwood, SC · Accident · Minor injuries · Limited investigation · Final report · Dec 9, 1994 · N6949E · Substantial damage
  > Unapproved maintenance work done by uncertificated persons which resulted in a broken starter drive which was not properly removed from the engine. The particles sheared the magneto shafts causing the loss of engine power.
- [NTSB SEA95LA027](https://openairdocs.org/ntsb/SEA95LA027.md): Cessna 180 · Lonetree, WY · Accident · No injuries · Limited investigation · Final report · Dec 8, 1994 · N1594C · Substantial damage
  > The restricted movement of the carburebor float.
- [NTSB LAX95LA041](https://openairdocs.org/ntsb/LAX95LA041.md): Britten-Norman Islander BN2B-20 · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 1994 · N16VM · Destroyed
  > An undetermined failure of the left engine. The inability of the airplane to maintain level flight and exceeding the one-engine capability was a factor in the accident.
- [NTSB FTW95LA056](https://openairdocs.org/ntsb/FTW95LA056.md): Bell 206B · Natchitoches, LA · Accident · No injuries · Limited investigation · Final report · Nov 29, 1994 · N2183P · Destroyed
  > The delayed flare and the improper touchdown by the pilot in command. Factors were the operation of the aircraft with known deficiencies by the operator and the pilot, delayed maintenance, and, an engine compressor assembly stall, combined with erosion and…
- [NTSB CHI95LA048](https://openairdocs.org/ntsb/CHI95LA048.md): Piper PA-28R-201T · La Porte City, IA · Accident · Minor injuries · Limited investigation · Final report · Nov 29, 1994 · N1194H · Substantial damage
  > a material defect which resulted in the fatigue failure of the crankshaft and the aircraft owner's failure to comply with a Mandatory Service Bulletin addressing the defect. A factor related to the accident was the rough terrain on which the forced landing…
- [NTSB CHI95LA047](https://openairdocs.org/ntsb/CHI95LA047.md): Cessna P210N · Aurora, MO · Accident · Minor injuries · Limited investigation · Final report · Nov 24, 1994 · N4872P · Substantial damage
  > An undetermined failure of the engine crankshaft resulting in total loss of engine power. The terrain at the emergency landing site and nighttime darkness were contributing factors.
- [NTSB MIA95LA024](https://openairdocs.org/ntsb/MIA95LA024.md): Ayres S2R-R1820 · Arcadia, FL · Accident · Serious injuries · Limited investigation · Final report · Nov 21, 1994 · N3097B · Destroyed
  > Failure of the engine due to a undetermined failure in the engine power section.
- [NTSB SEA95IA021](https://openairdocs.org/ntsb/SEA95IA021.md): Fairchild SA227 · Missoula, MT · Incident · No injuries · Incident investigation · Final report · Nov 17, 1994 · N380PH · Minor damage
  > The fatigue failure of the first stage compressor impeller.
- [NTSB CHI95LA042](https://openairdocs.org/ntsb/CHI95LA042.md): Piper PA-28-180 · Carlock, IL · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 1994 · N7556W · Substantial damage
  > The total failure of the connecting rod bolts.
- [NTSB NYC95LA023](https://openairdocs.org/ntsb/NYC95LA023.md): Beech 35-C33 · Coventry, RI · Accident · No injuries · Limited investigation · Final report · Nov 11, 1994 · N5869S · Destroyed
  > improper emergency procedures by the pilot and inadequate supervision by the flight instructor which resulted in their failure to restart the engine after it lost power due to a failed engine driven fuel pump.
- [NTSB FTW95LA039](https://openairdocs.org/ntsb/FTW95LA039.md): Hughes 269A · Monticello, AR · Accident · No injuries · Limited investigation · Final report · Nov 8, 1994 · N10415 · Substantial damage
  > The loss of engine power due to a fatigued rod end bolt. A factor was the lack of suitable terrain for landing.
- [NTSB CHI95LA032](https://openairdocs.org/ntsb/CHI95LA032.md): Cessna 172 · Hudson, WI · Accident · Minor injuries · Limited investigation · Final report · Nov 6, 1994 · N734LJ · Substantial damage
  > inadequate maintenance (major overhaul) by maintenance personnel which resulted in the total loss of engine power. Soft terrain was a related factor.
- [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 CHI95LA024](https://openairdocs.org/ntsb/CHI95LA024.md): Piper PA-18 · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Oct 22, 1994 · N587PA · Substantial damage
  > the fatigue failure of the crankshaft.
- [NTSB BFO95LA005](https://openairdocs.org/ntsb/BFO95LA005.md): S M A N Hydroplum Petrel · Center Village, OH · Accident · Minor injuries · Limited investigation · Final report · Oct 16, 1994 · N1601Z · Substantial damage
  > Loss of engine power due to a malfunction of the fuel pump.
- [NTSB NYC95LA028](https://openairdocs.org/ntsb/NYC95LA028.md): Rans/Hine S-10 · Hampton, NH · Accident · No injuries · Limited investigation · Final report · Oct 15, 1994 · N104AH · Substantial damage
  > a seized piston in the foward cylinder due to a lean mixture.
- [NTSB FTW95IA013](https://openairdocs.org/ntsb/FTW95IA013.md): Gates Learjet 35A · San Antonio, TX · Incident · No injuries · Incident investigation · Final report · Oct 11, 1994 · N46TJ · Minor damage
  > The uncontained failure of the turbine wheel. A factor was the resultant loss of hydraulic power.
- [NTSB NYC95LA004](https://openairdocs.org/ntsb/NYC95LA004.md): Cessna 182N · New London, NH · Accident · No injuries · Limited investigation · Final report · Oct 8, 1994 · N8903G · Substantial damage
  > the failure of the number four push rod, which resulted in the complete loss of engine power and forced landing, and the subsequent nose over on soft terrain.
- [NTSB CHI94LA351](https://openairdocs.org/ntsb/CHI94LA351.md): Piper PA-23-160 · West Chicago, IL · Accident · No injuries · Limited investigation · Final report · Sep 30, 1994 · N5272A · Substantial damage
  > the pilot's failure to use the manual hydraulic pump to lower the landing gear. Factors were the failure of the fuel selector handle, the subsequent fuel starvation, and the pilot's failure to properly crossfeed and restart the left engine.
- [NTSB ATL94LA180](https://openairdocs.org/ntsb/ATL94LA180.md): Bell UH-1B · Ozark, AL · Accident · Minor injuries · Limited investigation · Final report · Sep 29, 1994 · N41870 · Substantial damage
  > The failure of the engines' main bearings because of a lack of lubrication. A factor was the heavily wooded terrain.
- [NTSB CHI94LA328](https://openairdocs.org/ntsb/CHI94LA328.md): Mooney M20E · Plymouth, MI · Accident · No injuries · Limited investigation · Final report · Sep 14, 1994 · N6944U · Substantial damage
  > the pilot's improper (maintenance) modification and his initiating an operation with known deficiencies in equipment
- [NTSB ATL94FA171](https://openairdocs.org/ntsb/ATL94FA171.md): Piper PA-32R-300 · Glenville, NC · Accident · 3 fatal · Field investigation · Final report · Sep 13, 1994 · N73AW · Destroyed
  > The fatigue failure of #4 intake valve. A factor was hilly terrain.
- [NTSB NYC94LA174](https://openairdocs.org/ntsb/NYC94LA174.md): Piper PA-24-250 · North Anson, ME · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 1994 · N55GV · Substantial damage
  > the inadequately installed cylinder mounting stud nuts, by the engine overhaul facility, which resulted in the separation of the number two cylinder and the subsequent forced landing.
- [NTSB NYC94LA172](https://openairdocs.org/ntsb/NYC94LA172.md): Piper PA-28R-201T · Lockwood, WV · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 1994 · N47457 · Substantial damage
  > An electrical ground short of the ignition wires which resulted in a loss of engine power.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=23

## 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=22

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