# 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 30 of 58 · 2,878 cases

## Cases, newest first

- [NTSB DEN92LA022](https://openairdocs.org/ntsb/DEN92LA022.md): Cessna 150E · Glenwood, NM · Accident · Minor injuries · Limited investigation · Final report · Dec 29, 1991 · N306BJ · Destroyed
  > Partial failure of the spark plugs. Factors were inadequate annual inspection and unsuitable mountainous terrain.
- [NTSB CHI92LA051](https://openairdocs.org/ntsb/CHI92LA051.md): Luscombe 8-F · Chapin, IA · Accident · No injuries · Limited investigation · Final report · Dec 11, 1991 · N1871B · Substantial damage
  > Failed connecting rod which resulted in a catastrophic engine failure. A factor related to the accident was unsuitable terrain.
- [NTSB CHI92DEV01](https://openairdocs.org/ntsb/CHI92DEV01.md): Quickie Quickie 1 · Carmi, IL · Accident · Serious injuries · Final report · Dec 11, 1991 · N1V · Substantial damage
  > An engine bearing seizure and a premature forced landing flare.
- [NTSB ATL92FA029](https://openairdocs.org/ntsb/ATL92FA029.md): Aerospatiale AS350D Astar · Fuquay-Varina, NC · Accident · 3 fatal · Field investigation · Final report · Dec 7, 1991 · N26FH · Destroyed
  > The pilot's improper decision in continuing the flight with a known engine problem, and the subsequent seizure of the number two engine bearing, resulting in engine stoppage. Darkness was a related factor.
- [NTSB DEN92LA011](https://openairdocs.org/ntsb/DEN92LA011.md): Piper PA-22-135 · Siebert, CO · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 1991 · N3745A · Substantial damage
  > Total loss of engine power due to a plugged vent in the tank filler cap, resulting in fuel starvation. Factors related to the accident were: darkness and the lack of suitable terrain for a forced landing.
- [NTSB DEN92IA013](https://openairdocs.org/ntsb/DEN92IA013.md): Cessna T210M · La Veta, CO · Incident · No injuries · Incident investigation · Final report · Dec 1, 1991 · N6179N · Minor damage
  > Failure of the no 1 connecting rod due to lack of lubrication from blocked oil ports.
- [NTSB FTW92FA029](https://openairdocs.org/ntsb/FTW92FA029.md): Cessna 402B · Roanoke, TX · Accident · Serious injuries · Field investigation · Final report · Nov 29, 1991 · N69CR · Destroyed
  > The operation of the airplane with known deficiencies, a missing air cooling baffle, and inadequate maintenance. Factors were the frozen propeller, inability of the pilot to feather the propeller, inoperative landing gear, the inability of the pilot to…
- [NTSB CHI92LA034](https://openairdocs.org/ntsb/CHI92LA034.md): Aero Commander 685 · Brainerd, MN · Accident · Serious injuries · Limited investigation · Final report · Nov 24, 1991 · N9196N · Substantial damage
  > An engine failure due to a seized fuel pump rotor shaft.
- [NTSB DEN92LA008](https://openairdocs.org/ntsb/DEN92LA008.md): Piper PA-28-161 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · Nov 18, 1991 · N9811C · Substantial damage
  > A partial loss of engine power on initial takeoff climb due to a bent and loose carburetor heat control mechanism.
- [NTSB SEA92FA019](https://openairdocs.org/ntsb/SEA92FA019.md): Cessna C-402B · Boise, ID · Accident · 2 fatal · Field investigation · Final report · Nov 16, 1991 · N29517 · Destroyed
  > The loss of power on the right engine during initial climb after takeoff due to inadequate maintenance inspection and adjustment of the engine by company maintenance personnel, and the loss of control by the pilot due to his failure to properly configure the…
- [NTSB LAX92LA042](https://openairdocs.org/ntsb/LAX92LA042.md): Beech D18S · Hilo, HI · Accident · No injuries · Limited investigation · Final report · Nov 10, 1991 · N4193 · Substantial damage
  > The aircraft's lack of single engine performance to maintain altitude after the engine lost power. Factors related to the accident were: displacement/mechanical interference within the accessory drive gear system of the left engine, failure of the left engine…
- [NTSB MIA92IA020](https://openairdocs.org/ntsb/MIA92IA020.md): Boeing 727-31 · Gulf Of Mexico · Incident · No injuries · Incident investigation · Final report · Nov 2, 1991 · N839TW · Minor damage
  > The overfilling of the forward lavatory during servicing and the failure to replace the fill/rinse line cap after servicing by the ground service personnel which resulted in the lavatory venting fluid through the fill/rinse line during flight and the…
- [NTSB ANC92LA013](https://openairdocs.org/ntsb/ANC92LA013.md): Cessna 152 · Beluga, AK · Accident · No injuries · Limited investigation · Final report · Nov 2, 1991 · N68291 · Substantial damage
  > An exhaust valve failure. Contributing to the accident was the rough, uneven terrain, and trees.
- [NTSB ATL92LA018](https://openairdocs.org/ntsb/ATL92LA018.md): Globe GC-1D · Brewton, AL · Accident · Serious injuries · Limited investigation · Final report · Oct 28, 1991 · N78006 · Substantial damage
  > A blockage of the fuel vent system which prevented the pilot from topping off the fuel system. A factor in this accident was the inadequate design by the manufacturer of the fuel vent system.
- [NTSB SEA92LA014](https://openairdocs.org/ntsb/SEA92LA014.md): Piper PA-28R-201T · Monticello, UT · Accident · No injuries · Limited investigation · Final report · Oct 20, 1991 · N1087H · Substantial damage
  > Inadequate maintenance/overhaul of the engine, and subsequent failure of the #5 piston (hole burned in piston), due to pre-ignition and/or detonation. Rough/uneven terrain in the emergency landing area was a related factor.
- [NTSB CHI92LA015](https://openairdocs.org/ntsb/CHI92LA015.md): North American Navion D · Lake Geneva, WI · Accident · No injuries · Limited investigation · Final report · Oct 20, 1991 · N10JF · Substantial damage
  > Fatigue failure of the crankshaft. A factor in the accident was inadequate quality control by other maintenance personnel.
- [NTSB ATL92LA010](https://openairdocs.org/ntsb/ATL92LA010.md): Beech A36 · Selma, AL · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 1991 · N3735Y · Substantial damage
  > The fatigue failure of the engine crankshaft counterweight blade, which resulted from excessive wear of the counterweight pin bushings, due to corrosion from an unknown source.
- [NTSB ANC92FA005](https://openairdocs.org/ntsb/ANC92FA005.md): Piper PA-18 · Montague Island, AK · Accident · Minor injuries · Field investigation · Final report · Oct 16, 1991 · N3850Z · Substantial damage
  > The power loss due to the crankshaft failure. Contributing to the accident was improper maintenance during the last engine overhaul.
- [NTSB CHI92LA010](https://openairdocs.org/ntsb/CHI92LA010.md): Mooney M20K · Knox, IN · Accident · No injuries · Limited investigation · Final report · Oct 15, 1991 · N3947H · Substantial damage
  > The overload failure of the #2 cylinder connecting rod. Contributing to the accident was the night light conditions and the pilot's inability to reach a suitable landing area.
- [NTSB SEA92LA007](https://openairdocs.org/ntsb/SEA92LA007.md): Piper PA24-180 · Marysville, WA · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1991 · N7759P · Substantial damage
  > The slippage of the accessary drive gear due to improper maintenance by other maintenance personnel. Factors include a forced landing in unsuitable terrain.
- [NTSB FTW92LA008](https://openairdocs.org/ntsb/FTW92LA008.md): Bellanca 17-31 · Big Spring, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 14, 1991 · N9755E · Substantial damage
  > The complete loss of engine power due to a failed piston rod. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI92LA003](https://openairdocs.org/ntsb/CHI92LA003.md): Cessna 150M · Marion, WI · Accident · No injuries · Limited investigation · Final report · Oct 8, 1991 · N704CW · Substantial damage
  > The failure of the exhaust and intake valves. Factors contributing to the accident were downhill terrain and a collapsed nosegear.
- [NTSB ANC92FA002](https://openairdocs.org/ntsb/ANC92FA002.md): Cessna 172M · Bethel, AK · Accident · No injuries · Field investigation · Final report · Oct 3, 1991 · N20024 · Substantial damage
  > A power loss over unsuitable terrain which resulted in a nose over.
- [NTSB ANC92IA001](https://openairdocs.org/ntsb/ANC92IA001.md): Piper PA-31-350 · Fairbanks, AK · Incident · No injuries · Incident investigation · Final report · Oct 2, 1991 · N200AK · Minor damage
  > Incorrect installation of crankshaft counterwweight rollers by the manufacturer during remanufacture of the engine. Factor was the inadequate surveillance of the engine assembly process by the manufacturer.
- [NTSB LAX91LA410](https://openairdocs.org/ntsb/LAX91LA410.md): Piper PA-28-161 · San Carlos, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 27, 1991 · N2520U · Substantial damage
  > The failure of the number 3 intake valve resulting in a total loss of engine power. A factor in this accident was the unsuitable terrain for landing the aircraft.
- [NTSB SEA91LA253](https://openairdocs.org/ntsb/SEA91LA253.md): Cessna 172N · Chiloquin, OR · Accident · No injuries · Limited investigation · Final report · Sep 26, 1991 · N9403E · Substantial damage
  > The loss of engine power in flight due to improper maintenance inspections. A factor relating to the accident was the rough terrain at the accident site.
- [NTSB CHI91LA298](https://openairdocs.org/ntsb/CHI91LA298.md): Taylorcraft BC-12D · Sunset Hills, MO · Accident · No injuries · Limited investigation · Final report · Sep 26, 1991 · N96905 · Substantial damage
  > A blocked fuel system line and inadequate maintenance of the airplane by other maintenance personnel.
- [NTSB MIA91LA219](https://openairdocs.org/ntsb/MIA91LA219.md): Air Tractor AT-401 · Sumner, MS · Accident · Minor injuries · Limited investigation · Final report · Sep 16, 1991 · N1004W · Substantial damage
  > Failure of the no. 1 cylinder assembly.
- [NTSB LAX91LA382](https://openairdocs.org/ntsb/LAX91LA382.md): Piper PA-28R-200 · Redwood City, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 4, 1991 · N2080T · Substantial damage
  > The fatigue failure of the number two connecting rod and rod cap due to an engine overspeed condition which the rods and rod caps were exposed at some undetermined historical point.
- [NTSB ANC91FA142](https://openairdocs.org/ntsb/ANC91FA142.md): Cessna 208 · Dillingham, AK · Accident · No injuries · Field investigation · Final report · Sep 3, 1991 · N9438F · Substantial damage
  > The pilot's inattentive preflight inspection which resulted in his failure to properly secure the engine oil tube filler cap resulting in the loss of engine oil and oil pressure and the pilot's failure to properly compensate for wind conditions during the…
- [NTSB SEA91LA227](https://openairdocs.org/ntsb/SEA91LA227.md): North American Navion A · Chehalis, WA · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 1991 · N91736 · Destroyed
  > Total loss of engine power on initial takeoff climb due to the fatigue fracture of the number one piston connecting rod resulting in a forced landing and in flight collision with trees.
- [NTSB LAX91IA376](https://openairdocs.org/ntsb/LAX91IA376.md): Boeing 767-232 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Aug 29, 1991 · N115DA · Minor damage
  > The fracture of the number 1 high pressure turbine wheel due to fatigue, from an undetermined origin.
- [NTSB ANC91LA134](https://openairdocs.org/ntsb/ANC91LA134.md): Cessna T-207A · Coville Lake, AK · Accident · No injuries · Limited investigation · Final report · Aug 25, 1991 · N73762 · Substantial damage
  > A total failure of the power output shaft bolts due to fatigue. Contributing to the accident was the rough and uneven terrain.
- [NTSB SEA91LA221](https://openairdocs.org/ntsb/SEA91LA221.md): Cessna C-210L · Cheyenne, WY · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 1991 · N2190S · Substantial damage
  > Maintenance personnel did not perform a proper top overhaul. This resulted in engine failure due to the failure of a connecting rod bearing. Factors include the hard landing resulting from the premature landing flare by the pilot.
- [NTSB SEA91LA217](https://openairdocs.org/ntsb/SEA91LA217.md): Beech B24R · Shady Cove, OR · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1991 · N2528W · Substantial damage
  > Improper re-installation of an oil line by maintenance personnel, which resulted in an oil leak from a loose line and subsequent seizure of the engine. Uneven terrain in the emergency landing area was a related factor.
- [NTSB SEA91LA212](https://openairdocs.org/ntsb/SEA91LA212.md): Cessna U206F · Nimrod, OR · Accident · No injuries · Limited investigation · Final report · Aug 19, 1991 · N35831 · Substantial damage
  > The fractured crankshaft resulting in engine seizure followed by a forced landing on rough and uneven terrain resulting in separation of the nose gear.
- [NTSB ATL91LA162](https://openairdocs.org/ntsb/ATL91LA162.md): Harold J. Eagen Pitts Special S-1C · Monroe, GA · Accident · 1 fatal · Limited investigation · Final report · Aug 16, 1991 · N9HE · Destroyed
  > Contamination and water existing in the fuel system which resulted in engine stoppage and the pilot's continued flight with a known aircraft deficiency.
- [NTSB LAX91LA358](https://openairdocs.org/ntsb/LAX91LA358.md): Beech J35 · San Jose, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 1991 · N3028C · Substantial damage
  > The failure of the crankshaft counterweight retaining clip due to improper maintenance installation of the part.
- [NTSB CHI91LA230](https://openairdocs.org/ntsb/CHI91LA230.md): Cessna 172 · Metropolis, IL · Accident · No injuries · Limited investigation · Final report · Aug 13, 1991 · N2339U · Substantial damage
  > Miscellaneous equipment not removed (foam rubber) and inadequate preflight by the pilot.
- [NTSB ATL91LA157](https://openairdocs.org/ntsb/ATL91LA157.md): Piper PA-25-235 · Roxobel, NC · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 1991 · N7658Z · Substantial damage
  > The failure of the left magneto stop pin, resulting in the seizure of the magneto and the failure of the magneto drive gear, and ultimately engine stoppage. A factor in this accident was: the presence of trees at the forced landing area.
- [NTSB LAX91LA364](https://openairdocs.org/ntsb/LAX91LA364.md): Grumman G-164 · Wasco, CA · Accident · No injuries · Limited investigation · Final report · Aug 12, 1991 · N4663 · Substantial damage
  > A total loss of engine power due to a fracture of the camshaft and the subsequent forced landing into a soft field.
- [NTSB LAX91LA353](https://openairdocs.org/ntsb/LAX91LA353.md): Cessna 172B · King City, CA · Accident · No injuries · Limited investigation · Final report · Aug 11, 1991 · N7910X · Substantial damage
  > The total loss of engine power in cruise flight due to the failure of the number 3 cylinder exhaust valve, resulting in a forced landing, and subsequent nose over on landing roll out.
- [NTSB LAX91LA347](https://openairdocs.org/ntsb/LAX91LA347.md): Experimental RV4 · Napa, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 1991 · N835B · Substantial damage
  > The installation of a non compatiable oil filter and system plumbing changes which induced the oil exhaustion event resulting in a forced landing and in flight collision with terrain.
- [NTSB NYC91FA199](https://openairdocs.org/ntsb/NYC91FA199.md): Beech C23 · Pleasantville, NJ · Accident · 3 fatal · Field investigation · Final report · Aug 4, 1991 · N9375S · Destroyed
  > A power loss due to a failed crankshaft, while operating over unsuitable terrain. Factors related to the accident were, the night conditions, the failure of maintenance personnel to detect the cracks using magnaflux inspections, the lack of adequate…
- [NTSB DEN91LA108](https://openairdocs.org/ntsb/DEN91LA108.md): Cessna 172 · Slaton, TX · Accident · No injuries · Limited investigation · Final report · Aug 4, 1991 · N7806U · Substantial damage
  > Failure of the engine's number three piston. A related factor was: collision with a ditch during the landing roll.
- [NTSB NYC91DNC04](https://openairdocs.org/ntsb/NYC91DNC04.md): Laurent A. Cloutier BD-5B · Gilford, NH · Accident · Minor injuries · Final report · Aug 3, 1991 · N245BD · Substantial damage
  > Engine failure due to a faulty oil pressure relief valve resulting in an emergency landing on unsuitable terrain.
- [NTSB FTW91LA140](https://openairdocs.org/ntsb/FTW91LA140.md): Beech K35 · Laredo, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 1991 · N8111R · Substantial damage
  > The improper installation of the oil filter adaptor 'o' ring (seal) by other maintenance personnel who distorted it. A factor was the rough, uneven terrain.
- [NTSB FTW91LA141](https://openairdocs.org/ntsb/FTW91LA141.md): Cessna 172F · Cumby, TX · Accident · No injuries · Limited investigation · Final report · Aug 2, 1991 · N5524R · Substantial damage
  > Power loss due to a blocked fuel vent system. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC91LA113](https://openairdocs.org/ntsb/ANC91LA113.md): Mooney M-20F · Wood River, AK · Accident · No injuries · Limited investigation · Final report · Aug 2, 1991 · N6848V · Substantial damage
  > The failure of the number 4 cylinder connecting rod cop due to fatigue. Contributing to the accident was the rough surface of the forced landing area.
- [NTSB FTW91LA129](https://openairdocs.org/ntsb/FTW91LA129.md): Cessna 150 · Cut And Shoot, TX · Accident · No injuries · Limited investigation · Final report · Jul 29, 1991 · N5707E · Destroyed
  > The total loss of engine power due to undetermined reasons. A factor was the unsuitable terrain.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=31

## 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=30

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