# 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 5 of 58 · 2,878 cases

## Cases, newest first

- [NTSB CHI04LA280](https://openairdocs.org/ntsb/CHI04LA280.md): Cessna T210L · Kingman, KS · Accident · Serious injuries · Limited investigation · Final report · Sep 27, 2004 · N2027S · Substantial damage
  > The lack of engine oil due to the mechanic's improper maintenance in not securing the loose "B" nut for the oil pressure line to the turbocharger leading to the loss of engine power while maneuvering. An additional cause was the unsuitable terrain the pilot…
- [NTSB NYC04LA214](https://openairdocs.org/ntsb/NYC04LA214.md): Ryan ST3KR · Bealeton, VA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2004 · N57015 · Substantial damage
  > The improper installation of fuel lines by maintenance personnel resulting in a total loss of engine power.
- [NTSB CHI04LA283](https://openairdocs.org/ntsb/CHI04LA283.md): Cessna 172M · Houstonia, MO · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 2004 · N80237 · Substantial damage
  > The fatigue failure of the piston end of the connecting rod and the pilot's failure to maintain aircraft control during the forced landing.
- [NTSB FTW04LA238](https://openairdocs.org/ntsb/FTW04LA238.md): Piper PA-31-350 · Sweeny, TX · Accident · No injuries · Limited investigation · Final report · Sep 14, 2004 · N555MC · Substantial damage
  > The fracture failure of the left engine crankshaft for undetermined reasons.
- [NTSB SEA04LA189](https://openairdocs.org/ntsb/SEA04LA189.md): Cessna P206A · Clearwater, ID · Accident · No injuries · Limited investigation · Final report · Sep 13, 2004 · N4661F · Substantial damage
  > A loss of engine power due to fatigue crack propagation of the number three piston pin while in cruise flight, leading to a power off forced landing in an open field. Factors include soft uphill terrain.
- [NTSB MIA04LA127](https://openairdocs.org/ntsb/MIA04LA127.md): Mooney M20F · Brandon, MS · Accident · No injuries · Limited investigation · Final report · Sep 5, 2004 · N9708M · Substantial damage
  > A loss of engine power due to the fatigue failure of all studs and/or thru-bolts of the No. 3 cylinder for undetermined reasons causing separation of the cylinder. Contributing to the accident was the unsuitable terrain encountered by the pilot.
- [NTSB NYC04LA201](https://openairdocs.org/ntsb/NYC04LA201.md): PZL 101 · Chazy, NY · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N123LZ · Substantial damage
  > The total loss of engine power due to the fractured crankshaft.
- [NTSB FTW04LA227](https://openairdocs.org/ntsb/FTW04LA227.md): Grumman 164B · East Bernard, TX · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N8222K · Substantial damage
  > The loss of engine power as result of the failure of the number four cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX04IA311](https://openairdocs.org/ntsb/LAX04IA311.md): Sikorsky S-70A · Pacoima, CA · Incident · No injuries · Incident investigation · Final report · Aug 30, 2004 · N160LA · Minor damage
  > the failure of the operator's mechanics to install the turboshaft engine's forward curvic seal during a gas generator turbine (GGT) replacement. Contributing factors to the incident were the failure of the manufacturer to provide a forward curvic seal with…
- [NTSB LAX04LA292](https://openairdocs.org/ntsb/LAX04LA292.md): American Champion 7ECA · Manchester, CA · Accident · No injuries · Limited investigation · Final report · Aug 15, 2004 · N11037 · Substantial damage
  > maintenance personnel's failure to adequately torque the top spark plug on the number one cylinder, which resulted in a separation of that plug and a loss of engine power.
- [NTSB CHI04FA203](https://openairdocs.org/ntsb/CHI04FA203.md): Knoepflein Lancair Legacy 2000 · Madison, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2004 · N98SN · Destroyed
  > A loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems, the pilot's poor inflight planning, and the pilot's failure to…
- [NTSB LAX04LA280](https://openairdocs.org/ntsb/LAX04LA280.md): Piper PA-32RT-300 · Ontario, CA · Accident · No injuries · Limited investigation · Final report · Jul 25, 2004 · N5GC · Substantial damage
  > a catastrophic engine failure due to the overheating of a connecting rod bearing, and the resulting failure of the rod, for undetermined reasons.
- [NTSB DEN04LA107](https://openairdocs.org/ntsb/DEN04LA107.md): Cessna P210N · Douglas, WY · Accident · No injuries · Limited investigation · Final report · Jul 20, 2004 · N7736K · Substantial damage
  > the failure of the engine's crankshaft due to the rotation of the engine's number two bearing, which resulted in the oil starvation of the crankshaft's number 2 main journal. Contributing factors include the engine's improper maintenance, and the in-flight…
- [NTSB DEN04LA105](https://openairdocs.org/ntsb/DEN04LA105.md): Mooney M20C · Escalante, UT · Accident · No injuries · Limited investigation · Final report · Jul 18, 2004 · N6773U · Substantial damage
  > the improper installation of an oil pan quick-drain fitting resulting in the loss of engine oil, failure of the engine, and subsequent impact with terrain following an attempted forced landing. A contributing factor was the lack of suitable terrain for a…
- [NTSB CHI04LA185](https://openairdocs.org/ntsb/CHI04LA185.md): Varga 2150A · Winterset, IA · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 2004 · N8422J · Substantial damage
  > The inadequate supervision by the certified flight instructor, fuel starvation, visual/aural detection precluded by the certified flight instructor's seat position, and the inadequate crew coordination of both pilots during the instructional flight. A…
- [NTSB ATL04LA157](https://openairdocs.org/ntsb/ATL04LA157.md): Beech A45 · LaGrange, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2004 · N134BH · Substantial damage
  > The maintenance personnel under-torquing of the crankcase throughbolts during top overhaul, which resulted in crankcase fretting, and the subsequent fatigue failure of the crankshaft at the No. 4 main journal. A factor was the lack of suitable terrain for…
- [NTSB LAX04LA257](https://openairdocs.org/ntsb/LAX04LA257.md): Ercoupe 415-C · Castaic, CA · Accident · No injuries · Limited investigation · Final report · Jul 10, 2004 · N2542H · Substantial damage
  > a catastrophic engine failure due to oil exhaustion, which was caused by the failure of maintenance personnel to completely tighten the oil screen.
- [NTSB CHI04LA181](https://openairdocs.org/ntsb/CHI04LA181.md): Beech BE-N35 · Austin, MN · Accident · No injuries · Limited investigation · Final report · Jul 9, 2004 · N80HL · Substantial damage
  > The loss of engine power due to the fatigue fracture of the piston pin plug that lead to engine oil starvation/exhaustion and the subsequent overload fracture of the piston rod and crankcase.
- [NTSB DEN04LA098](https://openairdocs.org/ntsb/DEN04LA098.md): Cessna T210N · Spanish Fork, UT · Accident · No injuries · Limited investigation · Final report · Jul 5, 2004 · N5408A · Substantial damage
  > the improper reassembly of the engine following major overhaul (application of Permatex over entire crankcase surfaces). Contributing factors included the number 2 main bearing and crankshaft shifting forward, causing the alternator drive shaft and other…
- [NTSB CHI04LA187](https://openairdocs.org/ntsb/CHI04LA187.md): Beech A36 · Algona, IA · Accident · No injuries · Limited investigation · Final report · Jul 2, 2004 · N3248T · Substantial damage
  > The failure of the connecting rod which resulted in the loss of engine power during cruise flight and subsequent forced landing. A contributing factor was the delayed lowering of the landing gear in order to clear the other vehicle encountered during the…
- [NTSB LAX04LA251](https://openairdocs.org/ntsb/LAX04LA251.md): Socata TB-20 · Perris, CA · Accident · No injuries · Limited investigation · Final report · Jun 28, 2004 · N110U · Substantial damage
  > A loss of engine power due to oil exhaustion as a result of the mechanic's use of an incorrect gasket during the installation of the vacuum pump.
- [NTSB CHI04CA162](https://openairdocs.org/ntsb/CHI04CA162.md): Air Tractor AT-401 · Britton, SD · Accident · No injuries · Data collection · Final report · Jun 23, 2004 · N1013N · Substantial damage
  > The loss of engine power due to a stuck exhaust valve and the unsuitable terrain encountered during the forced landing. A factor to the accident was the soft terrain condition.
- [NTSB MIA04LA099](https://openairdocs.org/ntsb/MIA04LA099.md): North American T-28C · Deland, FL · Accident · No injuries · Limited investigation · Final report · Jun 20, 2004 · N28BZ · Substantial damage
  > A loss of engine power due to an engine master rod bearing failure for undetermined reasons, resulting in damage to the airplane during the subsequent forced landing.
- [NTSB LAX04LA232](https://openairdocs.org/ntsb/LAX04LA232.md): Beech S35 · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Jun 5, 2004 · N6127Q · Substantial damage
  > oil exhaustion due to a leak from the bottom oil drain line gasket and o-ring for the turbo charger.
- [NTSB CHI04LA147](https://openairdocs.org/ntsb/CHI04LA147.md): North American T-28C · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Jun 4, 2004 · N404DK · Substantial damage
  > Failure of the number 4 piston articulating rod resulting in a complete loss of engine power during initial climb. The ditch was a contributing factor.
- [NTSB CHI04LA144](https://openairdocs.org/ntsb/CHI04LA144.md): Beech M35 · Strafford, MO · Accident · No injuries · Limited investigation · Final report · Jun 3, 2004 · N693V · Substantial damage
  > The improper installation of the cylinder during the engine overhaul which resulted in the fatigue failure of the cylinder studs and through-bolts and the subsequent separation of the cylinder. Factors associated with the accident were the fence and the guy…
- [NTSB DEN04LA083](https://openairdocs.org/ntsb/DEN04LA083.md): Ayres S-2R · Beaver, UT · Accident · No injuries · Limited investigation · Final report · May 31, 2004 · N5686X · Substantial damage
  > the in-flight failure of the engine's P3 tube which resulted in the loss of engine power and the subsequent impact with terrain during a forced landing. Contributing factors include the lack of suitable terrain for a forced landing and the fence.
- [NTSB LAX04LA229](https://openairdocs.org/ntsb/LAX04LA229.md): Simmons BD-5 · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · May 29, 2004 · N501BD · Substantial damage
  > The overheating and failure of the number 4 connecting rod, which resulted in a total loss of engine power during descent.
- [NTSB CHI04LA128](https://openairdocs.org/ntsb/CHI04LA128.md): North American P-51C · Hager City, WI · Accident · 1 fatal · Limited investigation · Final report · May 29, 2004 · N61429 · Substantial damage
  > The improper installation of the camshaft drive gear assembly which resulted in the retaining nut backing off allowing the drive gear to move up the shaft. A factor associated with the accident was the low altitude at which the power loss occurred and the…
- [NTSB LAX04LA228](https://openairdocs.org/ntsb/LAX04LA228.md): Wilson Avid Bandit · Paso Robles, CA · Accident · Minor injuries · Limited investigation · Final report · May 28, 2004 · N55368 · Substantial damage
  > the loss of engine power during takeoff climb due to a cold seizure of the rear cylinder.
- [NTSB CHI04CA142](https://openairdocs.org/ntsb/CHI04CA142.md): Kauffman Bede IV · Acme, MI · Accident · No injuries · Data collection · Final report · May 26, 2004 · N115PK · Substantial damage
  > Engine oil starvation and inadequate maintenance by the pilot.
- [NTSB LAX04TA202](https://openairdocs.org/ntsb/LAX04TA202.md): Bell OH-58A+ · Bakersfield, CA · Accident · No injuries · Final report · May 4, 2004 · N397E · Substantial damage
  > loss of engine power due to the separation of the diaphragm portion of the repaired second-stage turbine nozzle from the rim portion due to the use of an inadequate cleaning method to clean the joint prior to the braze repair during overhaul by the…
- [NTSB DEN04FA064](https://openairdocs.org/ntsb/DEN04FA064.md): Cessna 150H · Boulder, CO · Accident · Minor injuries · Field investigation · Final report · Apr 18, 2004 · N105DP · Substantial damage
  > the failed magneto and the lack of suitable terrain (lake) for a forced landing.
- [NTSB FTW04LA110](https://openairdocs.org/ntsb/FTW04LA110.md): Cessna 175B · Locust Grove, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2004 · N8172T · Substantial damage
  > The improper installation of the generator, which resulted in oil starvation. A factor was the unsuitable terrain.
- [NTSB NYC04LA105](https://openairdocs.org/ntsb/NYC04LA105.md): Piper PA-46-310P · Taylor, PA · Accident · No injuries · Limited investigation · Final report · Apr 13, 2004 · N861DD · Substantial damage
  > The failure of the number 2 connecting rod, after a main bearing shift, which resulted in a catastrophic engine failure.
- [NTSB MIA04LA067](https://openairdocs.org/ntsb/MIA04LA067.md): Cessna 206 · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N5019U · Substantial damage
  > The failure of the No. 2 cylinder connecting rod for undetermined reasons, and the failure of one of the connecting rod bolts due to tension overload resulting in the total loss of engine power and subsequent collision with a ditch during the forced landing.
- [NTSB ATL04FA090](https://openairdocs.org/ntsb/ATL04FA090.md): Smith Aerostar 601P · Johns Island, SC · Accident · 2 fatal · Field investigation · Final report · Apr 5, 2004 · N869CC · Substantial damage
  > The pilot's failure to maintain airspeed during emergency descent, which resulted in an inadvertent stall/spin and uncontrolled descent into trees and terrain. A factor was the loss of engine power in one engine due to pre-ignition/detonation.
- [NTSB LAX04LA171](https://openairdocs.org/ntsb/LAX04LA171.md): Maule M-7-260C · Paso Robles, CA · Accident · No injuries · Limited investigation · Final report · Mar 28, 2004 · N99KJ · Substantial damage
  > fuel system vapor lock due to the failure of the left exhaust stack clamp pin, which caused a separation of the exhaust stack from the muffler and the porting of hot exhaust gases onto the fuel lines.
- [NTSB LAX04LA169](https://openairdocs.org/ntsb/LAX04LA169.md): Stanley Glasair SH-2 · San Luis Obispo, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 21, 2004 · N309TS · Substantial damage
  > The loss of engine power due to the failure of the #3 cylinder piston and connecting rod for undetermined reasons.
- [NTSB LAX04LA141](https://openairdocs.org/ntsb/LAX04LA141.md): Vogt KR2S · Lompoc, CA · Accident · No injuries · Limited investigation · Final report · Feb 29, 2004 · N4027Y · Substantial damage
  > a failure of the fuel pump, which induced a total loss of engine power.
- [NTSB LAX04LA140](https://openairdocs.org/ntsb/LAX04LA140.md): Alan Wilson Tandum Air Bike · Elko, NV · Accident · No injuries · Limited investigation · Final report · Feb 29, 2004 · N240JC · Substantial damage
  > A total loss of engine power during cruise flight due to the failure of an ignition system component.
- [NTSB LAX04LA132](https://openairdocs.org/ntsb/LAX04LA132.md): Gillespie Sport Copter Vortex · Yuba City, CA · Accident · 1 fatal · Limited investigation · Final report · Feb 21, 2004 · N96XV · Substantial damage
  > a loss of engine power due to the incorrect installation of the fuel line, which resulted in fuel starvation, and the pilot's failure to maintain rotor RPM, which resulted in an inflight loss of control. A factor to the accident was the pilot's lack of…
- [NTSB DEN04LA044](https://openairdocs.org/ntsb/DEN04LA044.md): Cessna 152 · West Jordan, UT · Accident · No injuries · Limited investigation · Final report · Feb 12, 2004 · N66952 · Substantial damage
  > the failure of the exhaust valve for the engine's number one cylinder, resulting in the exhaust valve/piston contact and the subsequent total loss of engine power. Contributing factors include the lack of suitable terrain for a forced landing and the snow…
- [NTSB NYC04LA065](https://openairdocs.org/ntsb/NYC04LA065.md): Cessna 150F · Suffolk, VA · Accident · No injuries · Limited investigation · Final report · Feb 7, 2004 · N8745S · Substantial damage
  > The failure of the number four cylinder barrel due to fatigue which originated from a corrosion pit at the base of a cooling fin.
- [NTSB MIA04LA050](https://openairdocs.org/ntsb/MIA04LA050.md): Mooney M20K · Immokalee, FL · Accident · Minor injuries · Limited investigation · Final report · Feb 3, 2004 · N252WF · Substantial damage
  > A loss of engine power due to the airplane mechanic's improper maintenance/installation and failure to ensure that the B-nut on the inlet side of the fuel manifold was properly tightened, which resulted in a fuel leak, and fuel starvation.
- [NTSB LAX04LA100](https://openairdocs.org/ntsb/LAX04LA100.md): Cessna 170B · Santa Rosa, CA · Accident · No injuries · Limited investigation · Final report · Jan 17, 2004 · N2502C · Substantial damage
  > the failure of the number 2 cylinder barrel due to fatigue. The lack of suitable landing terrain was a factor in the accident.
- [NTSB ATL04LA066](https://openairdocs.org/ntsb/ATL04LA066.md): Current Kitfox 313 · Selma, AL · Accident · Minor injuries · Limited investigation · Final report · Jan 13, 2004 · N313MC · Destroyed
  > The pilot's inadequate installation, and his failure to secure the main fuel line, which resulted in fuel starvation.
- [NTSB FTW04FA057](https://openairdocs.org/ntsb/FTW04FA057.md): Cessna 182RG · El Dorado, AR · Accident · 1 fatal · Field investigation · Final report · Jan 6, 2004 · N9318R · Substantial damage
  > The loss of engine power as a result of loss of engine oil due to the failure of the oil filter converter plate gasket and the noncompliance to an airworthiness directive. Contributing factors were the lack of suitable terrain for the forced landing and the…
- [NTSB LAX04LA084](https://openairdocs.org/ntsb/LAX04LA084.md): Piper PA-32R-300 · Riverside, CA · Accident · No injuries · Limited investigation · Final report · Jan 1, 2004 · N589Q · Substantial damage
  > engine oil exhaustion due to the extrusion of an oil filter converter plate gasket and the failure of the aircraft owner to comply with a mandatory Service Bulletin and a Federal Aviation Administration emergency Airworthiness Directive.
- [NTSB LAX04LA069](https://openairdocs.org/ntsb/LAX04LA069.md): Allison KR-2 · Glendale, AZ · Accident · Serious injuries · Limited investigation · Final report · Dec 16, 2003 · N82KR · Substantial damage
  > loss of engine power due to a loose carburetor jet. A contributing factor was the owner/operators failure to have a condition inspection performed on the aircraft.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=6

## 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=5

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