# 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 25 of 58 · 2,878 cases

## Cases, newest first

- [NTSB SEA94FA051](https://openairdocs.org/ntsb/SEA94FA051.md): Cessna 140 · Lopez, WA · Accident · 1 fatal · Field investigation · Final report · Jan 18, 1994 · N77190 · Substantial damage
  > The pilot/owner's improper installation of the oil temperature sensing bulb, the total loss of all engine oil, and the shearing of a connecting rod cap.
- [NTSB NYC94LA045](https://openairdocs.org/ntsb/NYC94LA045.md): Cessna 206A · Williamsburg, VA · Accident · No injuries · Limited investigation · Final report · Jan 3, 1994 · N776P · Substantial damage
  > an exhaust valve failure that created a hole in the piston, which allowed the complete loss of engine oil, resulting in the subsequent forced landing.
- [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 FTW94LA049](https://openairdocs.org/ntsb/FTW94LA049.md): Bellanca 8KCAB · Westcliffe, CO · Accident · Minor injuries · Limited investigation · Final report · Dec 17, 1993 · N5065G · Substantial damage
  > Was failure of the number two connecting rod bearing. A factor was unsuitable terrain for a forced landing.
- [NTSB ATL94LA027](https://openairdocs.org/ntsb/ATL94LA027.md): Wonder VAN'S Acft RV-6 · Ridgeland, SC · Accident · Minor injuries · Limited investigation · Final report · Dec 7, 1993 · N443MW · Substantial damage
  > Improper installation of the magnetos by maintenance personnel, which allowed the right magneto to come loose, oil to escape from the engine, and subsequent oil starvation.
- [NTSB LAX94LA063](https://openairdocs.org/ntsb/LAX94LA063.md): North American SNJ-5 · Santa Paula, CA · Accident · No injuries · Limited investigation · Final report · Dec 3, 1993 · N89014 · Substantial damage
  > was the failure of the needle valve pin assembly in the airplane's carburetor. A factor which contributed to the accident was the lack of suitable terrain for the emergency landing.
- [NTSB MIA94LA024](https://openairdocs.org/ntsb/MIA94LA024.md): Cessna U206F · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Nov 19, 1993 · N8260Q · Substantial damage
  > Was the improper overhaul and inspection of the engine by company maintenance personnel.
- [NTSB LAX94LA046](https://openairdocs.org/ntsb/LAX94LA046.md): Cessna 182 · Colusa, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 1993 · N5723B · Substantial damage
  > was the poor major overhaul conducted by maintenance personnel by failing to properly service the cam shaft. The camshaft gears fatigue which led to its ultimate failure, the dark night conditions, and the power lines were factors in this accident.
- [NTSB MIA94LA017](https://openairdocs.org/ntsb/MIA94LA017.md): Piper PA-32-300 · Plymouth, FL · Accident · No injuries · Limited investigation · Final report · Nov 7, 1993 · N9000M · Substantial damage
  > Total failure of the crankshaft due to fatigue resulting in a forced landing and subsequent hard landing.
- [NTSB CHI94LA031](https://openairdocs.org/ntsb/CHI94LA031.md): Beech B36TC · Rockford, IL · Accident · No injuries · Limited investigation · Final report · Nov 3, 1993 · N8006R · Substantial damage
  > A loose fuel line fitting, due to improper maintenance, which resulted in an interuption of fuel to the engine.
- [NTSB ATL94FA011](https://openairdocs.org/ntsb/ATL94FA011.md): Piper PA-32RT-300T · Wrens, GA · Accident · 5 fatal · Field investigation · Final report · Nov 2, 1993 · N964ST · Destroyed
  > Was the fatique failure of the idler gear which resulted in the complete loss of engine power. A factor was the dark night.
- [NTSB LAX94LA034](https://openairdocs.org/ntsb/LAX94LA034.md): Silver KR2 · Fontana, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 31, 1993 · N8SJ · Substantial damage
  > the separation of an engine coolant hose which resulted in a complete loss of engine power.
- [NTSB NYC94IA023](https://openairdocs.org/ntsb/NYC94IA023.md): Bell 206L · New York, NY · Incident · No injuries · Incident investigation · Final report · Oct 29, 1993 · N16696 · No damage
  > Inadequate maintenance which resulted in the improper alignment of the 'O' ring on the spur adapter gear drive which caused lack of lubrication and wear of the gear drive and the disengagement of the compressor and turbine.
- [NTSB LAX94IA018](https://openairdocs.org/ntsb/LAX94IA018.md): Airbus Industrie A-300-605R · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Oct 19, 1993 · N41063 · Minor damage
  > a separation of the number 6 stage high pressure compressor disk for an undetermined reason.
- [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 LAX94FA006](https://openairdocs.org/ntsb/LAX94FA006.md): Cessna 182M · Seligman, AZ · Accident · 2 fatal · Field investigation · Final report · Oct 8, 1993 · N91849 · Destroyed
  > the separation of the carburetor float and needle valve from the upper half of the carburetor bowl, due to improper installation of the float kit.
- [NTSB CHI94LA005](https://openairdocs.org/ntsb/CHI94LA005.md): Cessna 150G · Osceola, MO · Accident · No injuries · Limited investigation · Final report · Oct 3, 1993 · N4646X · Substantial damage
  > Fracture of the number four piston at the piston pin boss. A factor related to the accident was: the lack of suitable terrain for an emergency landing.
- [NTSB SEA94LA001](https://openairdocs.org/ntsb/SEA94LA001.md): Beech A35 · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Oct 1, 1993 · N667B · Substantial damage
  > Fuel starvation brought on by the absence of the roll pin which engages the fuel selector handle to the fuel selector valve shaft, and the pilot in command's misjudging his flare resulting in a hard landing.
- [NTSB FTW93LA271](https://openairdocs.org/ntsb/FTW93LA271.md): Cessna 310Q · Edgewood, NM · Accident · No injuries · Limited investigation · Final report · Sep 30, 1993 · N777HB · Substantial damage
  > A propeller control unit failure, and loss of the pilot's option to feather the propeller. A factor was the lack of suitable terrain for a forced landing.
- [NTSB SEA93LA213](https://openairdocs.org/ntsb/SEA93LA213.md): Bell UH-1B · Detroit Lake, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 1993 · N70NW · Substantial damage
  > Failure of a second stage turbine wheel too low for a successful autorotation. Factors include a tree in the approach path.
- [NTSB CHI93LA371](https://openairdocs.org/ntsb/CHI93LA371.md): Piper PA-60-601 · Lone Rock, WI · Accident · No injuries · Limited investigation · Final report · Sep 21, 1993 · N9825Q · Substantial damage
  > Inadequate maintenance and excessive airspeed during the landing approach.
- [NTSB LAX93LA356](https://openairdocs.org/ntsb/LAX93LA356.md): Cessna 182A · Oracle, AZ · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 1993 · N6336B · Substantial damage
  > Failure of the crankshaft due to fatigue.
- [NTSB CHI93LA364](https://openairdocs.org/ntsb/CHI93LA364.md): Cessna 172P · Fieldon, IL · Accident · No injuries · Limited investigation · Final report · Sep 16, 1993 · N52502 · Substantial damage
  > Partial failure (deterioration) of the #1 piston pin plug, which resulted in contamination of the lubricating system and failure of the #3 connecting rod.
- [NTSB LAX93FA352](https://openairdocs.org/ntsb/LAX93FA352.md): Scaled Composites 158-8 · Lemmon Valley, NV · Accident · 1 fatal · Field investigation · Final report · Sep 14, 1993 · N221BP · Destroyed
  > Oil starvation and connecting rod failure in the right engine, and a resultant fuel fed fire.
- [NTSB CHI93LA357](https://openairdocs.org/ntsb/CHI93LA357.md): Boeing A75N1 · Springfield, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1993 · N54941 · Substantial damage
  > the disconnection of the primer supply line at the fuel strainer.
- [NTSB ANC93IA176](https://openairdocs.org/ntsb/ANC93IA176.md): Sikorsky C54A · Anita Bay, AK · Incident · No injuries · Incident investigation · Final report · Sep 12, 1993 · N44094 · Minor damage
  > The separation of the turbine blade from the power turbine disc.
- [NTSB BFO93LA164](https://openairdocs.org/ntsb/BFO93LA164.md): Cessna 402B · Eau Claire, PA · Accident · No injuries · Limited investigation · Final report · Sep 8, 1993 · N4504B · Substantial damage
  > The separation of the number four cylinder on the airplane's left engine for undetermined reasons. A factor in the accident was the rough/uneven terrain.
- [NTSB CHI93LA345](https://openairdocs.org/ntsb/CHI93LA345.md): Beech P35 · Ottumwa, IA · Accident · No injuries · Limited investigation · Final report · Aug 31, 1993 · N8527M · Substantial damage
  > an oil leak in the oil filter adapter. A factor was landing in a crop field.
- [NTSB NYC93FA177](https://openairdocs.org/ntsb/NYC93FA177.md): Mitsubishi MU-2B-40 · S. Charleston, WV · Accident · Minor injuries · Field investigation · Final report · Aug 29, 1993 · N965MA · Destroyed
  > was improper emergency procedures by the pilot which resulted in the shutdown of an operative engine, following a power loss due to a failed torque sensor in the other engine, which resulted in a total power loss approach, landing, and overrun.
- [NTSB ATL93LA148](https://openairdocs.org/ntsb/ATL93LA148.md): Beech V35A · Knoxville, TN · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 1993 · N7733R · Substantial damage
  > Inadequate annual inspection procedures for the fuel system, which resulted in fuel starvation due to blockage of the fuel floscan transducer. A factor was insufficient FAA inspection standards/requirements.
- [NTSB NYC93LA168](https://openairdocs.org/ntsb/NYC93LA168.md): Piper PA-25-225 · Chesapeake, VA · Accident · No injuries · Limited investigation · Final report · Aug 26, 1993 · N9556P · Substantial damage
  > The loosening of the crankshaft geardrive as a resulted of a sheared bolt and guide pin which resulted in the loss of engine power. A factor was a forced landing on a crop field.
- [NTSB MIA93FA183](https://openairdocs.org/ntsb/MIA93FA183.md): Cessna 402C · Andytown, FL · Accident · Serious injuries · Field investigation · Final report · Aug 25, 1993 · N206RH · Substantial damage
  > The failure of the pilot to feather the propeller when the engine lost power, and his failure to follow the emergency procedure checklist. Contributing to the accident was the inadequate design of the fuel tank float valves which allowed for excessive wear…
- [NTSB CHI93DEP05](https://openairdocs.org/ntsb/CHI93DEP05.md): Bell 47-G5 · Fulton, WI · Accident · Minor injuries · Final report · Aug 25, 1993 · N1464W · Substantial damage
  > the failure (fracture) of the number one cylinder intake valve retainer (keeper).
- [NTSB FTW93LA243](https://openairdocs.org/ntsb/FTW93LA243.md): Boeing A75N1 · Lafayette, LA · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1993 · N450EC · Substantial damage
  > The engine failure for undetermined reasons. A factor was the lack of suitable terrain onto which a forced landing could be executed.
- [NTSB CHI93DTG03](https://openairdocs.org/ntsb/CHI93DTG03.md): Piper PA-25-235 · Washburn, ND · Accident · No injuries · Final report · Aug 20, 1993 · N4693Y · Substantial damage
  > the loss of engine power due to a magneto failure.
- [NTSB NYC93LA163](https://openairdocs.org/ntsb/NYC93LA163.md): Cessna 172 · Hope Valley, RI · Accident · No injuries · Limited investigation · Final report · Aug 19, 1993 · N9845J · Substantial damage
  > The engine failure as the result of ingestion of pieces of carburetor into the cylinders, and the subsequent forced landing and nose over during the landing roll after encountering soft terrain.
- [NTSB LAX93LA330](https://openairdocs.org/ntsb/LAX93LA330.md): Piper PA-28-180 · Showlow, AZ · Accident · No injuries · Limited investigation · Final report · Aug 19, 1993 · N9533J · Substantial damage
  > A total loss of engine power due to a separation of the mixture control balljoint assembly at the carburetor mixture arm and subsequent forced landing.
- [NTSB SEA93FA178](https://openairdocs.org/ntsb/SEA93FA178.md): Enstrom F-28C · Seattle, WA · Accident · No injuries · Field investigation · Final report · Aug 18, 1993 · N86198 · Substantial damage
  > Shorted magneto condensers. Factors include a hidden obstruction in the landing area, and a reduction in rotor RPM from attempting to avoid the obstruction.
- [NTSB CHI93LA324](https://openairdocs.org/ntsb/CHI93LA324.md): Bellanca BL-17-30 · Lee'S Summit, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1993 · N4846V · Substantial damage
  > improper maintenance which resulted in a disconnected throttle lever linkage.
- [NTSB NYC93FA154](https://openairdocs.org/ntsb/NYC93FA154.md): Cessna 182A · East Moriches, NY · Accident · 1 fatal · Field investigation · Final report · Aug 14, 1993 · N5010D · Destroyed
  > Engine failure due to a fatigue failure of the no.3 piston. The fatigue failure was a result of inadequate manufacturing. In addition, the pilot made an improper decision during the forced landing in attempting to stretch his approach in order to reach the…
- [NTSB FTW93LA234](https://openairdocs.org/ntsb/FTW93LA234.md): Cessna 177B · Grand Prairie, TX · Accident · No injuries · Limited investigation · Final report · Aug 9, 1993 · N34293 · Substantial damage
  > Loss of engine power due to fuel starvation as a result of a leaking fuel line. The fuel line was not the correct part as a result of a misidentification by Cessna.
- [NTSB FTW93LA228](https://openairdocs.org/ntsb/FTW93LA228.md): Bell 206B · Pearland, TX · Accident · No injuries · Limited investigation · Final report · Aug 4, 1993 · N16814 · Substantial damage
  > Pilot's failure to maintain proper rotor RPM, the delayed flare, and improper touchdown. Factors were total failure of the power turbine due to oil starvation to the #8 bearing assembly.
- [NTSB ATL93LA139](https://openairdocs.org/ntsb/ATL93LA139.md): Piper PA-24-180 · Moncks Corner, SC · Accident · No injuries · Limited investigation · Final report · Aug 2, 1993 · N7027P · Substantial damage
  > Failure of the number one cylinder at the cylinder flange radius.
- [NTSB CHI93DCQ02](https://openairdocs.org/ntsb/CHI93DCQ02.md): Cessna 188 · Buhler, KS · Accident · No injuries · Final report · Aug 1, 1993 · N4864Q · Substantial damage
  > the loss of engine power due to a fractured accessory (camshaft) drive gear.
- [NTSB DEN93LA092](https://openairdocs.org/ntsb/DEN93LA092.md): Cessna A150M · Galveston, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1993 · N8161V · Substantial damage
  > The disconnection of the throttle linkage and the resultant power loss. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW93LA219](https://openairdocs.org/ntsb/FTW93LA219.md): Aero Commander 100 · Vidor, TX · Accident · No injuries · Limited investigation · Final report · Jul 27, 1993 · N4134X · Substantial damage
  > Control cable separation due to the throttle power lever linkage not being secured by retainer resultant from improper installation. A factor was a lack of suitable terrain for the forced landing.
- [NTSB CHI93LA303](https://openairdocs.org/ntsb/CHI93LA303.md): Schweizer G167B · Borup, MN · Accident · No injuries · Limited investigation · Final report · Jul 27, 1993 · N6637Q · Substantial damage
  > the loss of engine power due to a cracked cylinder head.
- [NTSB CHI93LA289](https://openairdocs.org/ntsb/CHI93LA289.md): Champion 402 · Valparaiso, IN · Accident · No injuries · Limited investigation · Final report · Jul 27, 1993 · N9981Y · Substantial damage
  > Failure of the exhaust stack assembly.
- [NTSB ATL93LA134](https://openairdocs.org/ntsb/ATL93LA134.md): Grumman G-164A · Ashford, AL · Accident · No injuries · Limited investigation · Final report · Jul 25, 1993 · N8373 · Destroyed
  > The failure of the engine supercharger assembly, which resulted in a loss of engine power. A factor was the trees at the forced landing site.
- [NTSB ATL93LA132](https://openairdocs.org/ntsb/ATL93LA132.md): Grumman G-164A · Atmore, AL · Accident · No injuries · Limited investigation · Final report · Jul 23, 1993 · N4824 · Substantial damage
  > The total failure of the engine supercharger, which resulted in engine stoppage. A factor was the rough terrain at the forced landing site.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=26

## 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=25

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