# NTSB investigations, 1994: 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 1 of 3 · 129 cases

## Latest cases

- [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.
- [NTSB FTW94FA295](https://openairdocs.org/ntsb/FTW94FA295.md): Cessna 175 · Oklahoma City, OK · Accident · 2 fatal · Field investigation · Final report · Sep 10, 1994 · N7554M · Substantial damage
  > Improper maintenance of the engine by unknown person(s), the installation of unapproved parts, and subsequent bearing seizure. The lack of suitable terrain in the forced landing area was a related factor.
- [NTSB CHI94LA315](https://openairdocs.org/ntsb/CHI94LA315.md): Mooney M20F · Hanston, KS · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1994 · N9310V · Destroyed
  > The failure of the number two connecting rod. Factors in the accident were the fouled windshield utility wires, the road sign, and the telephone pole.
- [NTSB SEA94LA235](https://openairdocs.org/ntsb/SEA94LA235.md): Cessna 172M · Coolin, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1994 · N61838 · Substantial damage
  > The failure of the engine manufacturer to properly remanufacture and adequately inspect the no. 1 rocker arm prior to its installation on the engine. This resulted in fatigue cracking of the rocker arm and a subsequent loss of engine power.
- [NTSB NYC94LA170](https://openairdocs.org/ntsb/NYC94LA170.md): Eagle DW-1 · Houlton, ME · Accident · No injuries · Limited investigation · Final report · Sep 7, 1994 · N8810Z · Substantial damage
  > Inadequate maintenance inspection which failed to detect internal corrosion of the magneto, resulting in ignition arcing and the loss of engine power.
- [NTSB CHI94LA314](https://openairdocs.org/ntsb/CHI94LA314.md): Cessna 188B · Oakdale, IL · Accident · No injuries · Limited investigation · Final report · Sep 7, 1994 · N731SV · Substantial damage
  > misalignment of the number one connecting rod during major overhaul. Factors were the subsequent scoring and fatigue failure of the crankshaft.
- [NTSB FTW94LA281](https://openairdocs.org/ntsb/FTW94LA281.md): WSK PZL Mielec M-18A Dromader · Wheatley, AR · Accident · No injuries · Limited investigation · Final report · Aug 27, 1994 · N148RA · Substantial damage
  > Total loss of engine power due to a cracked cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI94LA302](https://openairdocs.org/ntsb/CHI94LA302.md): Frith Challenger II · Fairfield, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 1994 · N7051P · Substantial damage
  > the total failure and separation of the propeller system drive belt. Obstacles (powerlines and pole) were a factor in the accident.
- [NTSB ATL94LA165](https://openairdocs.org/ntsb/ATL94LA165.md): Cessna 150J · Spruce Pine, NC · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 1994 · N50446 · Substantial damage
  > A seized cylinder exhaust valve because of deposits on the valve and an oversized valve stem. The lack of suitable terrain for a forced landing was a factor.
- [NTSB BFO94LA143](https://openairdocs.org/ntsb/BFO94LA143.md): Cessna 172M · Vestal, NY · Accident · No injuries · Limited investigation · Final report · Aug 23, 1994 · N61774 · Substantial damage
  > Loss of engine power during an aborted landing due to the throttle cable separating from the carburetor.
- [NTSB ATL94LA159](https://openairdocs.org/ntsb/ATL94LA159.md): Piper PA-25 · Columbia, NC · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 1994 · N8819L · Substantial damage
  > The failure of the aircraft carburetor that resulted in a total loss of engine power.
- [NTSB ATL94LA161](https://openairdocs.org/ntsb/ATL94LA161.md): Cessna 207 · Nags Head, NC · Accident · No injuries · Limited investigation · Final report · Aug 20, 1994 · N1670U · Substantial damage
  > The failure of the mixture control cable which resulted in a loss of engine power.
- [NTSB LAX94LA327](https://openairdocs.org/ntsb/LAX94LA327.md): Aero Commander S2R · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N8843Q · Substantial damage
  > the loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area.
- [NTSB BFO94FA140](https://openairdocs.org/ntsb/BFO94FA140.md): Piper PA-32R-300 · Roanoke, VA · Accident · 2 fatal · Field investigation · Final report · Aug 19, 1994 · N4316X · Destroyed
  > The disconnection of the throttle cable from the throttle arm on the fuel injector servo.
- [NTSB ATL94LA158](https://openairdocs.org/ntsb/ATL94LA158.md): Cessna 172XP · Clarksburg, TN · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N9797V · Substantial damage
  > The failure of the alternator drive coupling, and debris from the failed coupling that lodged in the engine oil pump, resulting in a sheared oil pump drive shaft. The engine subsequently failed because of oil starvation.
- [NTSB FTW94FA273](https://openairdocs.org/ntsb/FTW94FA273.md): Cessna 310 · Pryor, OK · Accident · 3 fatal · Field investigation · Final report · Aug 18, 1994 · N5319A · Destroyed
  > Failure of the pilot to maintain minimum control airspeed (VMC), which resulted in a loss of aircraft control. Factors related to the accident were: an oil leak from a fatigue crack in the engine crankcase, and inadequate maintenance.
- [NTSB CHI94LA286](https://openairdocs.org/ntsb/CHI94LA286.md): Snow S2C · Leslie, MO · Accident · No injuries · Limited investigation · Final report · Aug 17, 1994 · N9498R · Substantial damage
  > the separation of the cylinder and subsequent oil leak. A factor to the accident was the pilot's restricted visual outlook.
- [NTSB ANC94FA106](https://openairdocs.org/ntsb/ANC94FA106.md): Piper PA-32-260 · Kenai, AK · Accident · 3 fatal · Field investigation · Final report · Aug 14, 1994 · N4839S · Destroyed
  > Inadequate engine maintenance and/or inspection, and fatigue cracking of the engine case, which resulted in eventual damage to the #3 cylinder studs/engine through-bolts, subsequent separation of the #3 cylinder and piston, and an in-flight fire.
- [NTSB SEA94LA209](https://openairdocs.org/ntsb/SEA94LA209.md): Piper PA-28-140 · Redmond, WA · Accident · No injuries · Limited investigation · Final report · Aug 13, 1994 · N95285 · Substantial damage
  > Failure of an exhaust valve. A factor to the accident was: wet grass.
- [NTSB MIA94LA194](https://openairdocs.org/ntsb/MIA94LA194.md): Aerosport Quail · Waynesboro, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 1994 · N10JB · Substantial damage
  > An engine failure due to improper maintenance [overhaul] of the engine crankshaft.
- [NTSB ATL94LA154](https://openairdocs.org/ntsb/ATL94LA154.md): Ayres S2R · Vienna, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 1994 · N8914Q · Substantial damage
  > The loss of engine power because of a fractured cylinder.
- [NTSB MIA94LA193](https://openairdocs.org/ntsb/MIA94LA193.md): Grumman AA-5 · Ormond Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 1994 · N1392R · Substantial damage
  > The improper maintenance work done on the carburetor by a local mechanic that resulted in loss of engine power over unsuitable terrain. A contributing factor was the dirt and moisture that contaminated the carburetor.
- [NTSB FTW94LA266](https://openairdocs.org/ntsb/FTW94LA266.md): Grumman G-164B · Matagorda, TX · Accident · No injuries · Limited investigation · Final report · Aug 10, 1994 · N8251K · Destroyed
  > A power loss due to cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB BFO94LA128](https://openairdocs.org/ntsb/BFO94LA128.md): Hankins/Dickerson Clipped Wings II · Laurel, MD · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 1994 · N4287R · Substantial damage
  > The failure of the engine ignition system capacitor discharge unit which caused loss of total engine power.

Next page: https://openairdocs.org/ntsb.md?year=1994&occurrence=351&page=2

## 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 year(c."eventDate") = 1994
  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&year=1994

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