# 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 4 of 58 · 2,878 cases

## Cases, newest first

- [NTSB LAX05LA244](https://openairdocs.org/ntsb/LAX05LA244.md): Cessna 208B · Globe, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2005 · N717BT · Substantial damage
  > The fatigue failure of the compressor turbine stator vane, the liberation of vane material into the compressor turbine, and the total loss of engine power. Also causal was the operator's failure to inspect the compressor turbine vane during fuel nozzle checks.
- [NTSB LAX05GA231](https://openairdocs.org/ntsb/LAX05GA231.md): Eurocopter France EC120B · Fair Oaks, CA · Accident · 2 fatal · Final report · Jul 14, 2005 · N266SD · Destroyed
  > The failure of the constant delta P diaphragm in the fuel control unit, which resulted in an increased fuel flow and subsequent catastrophic failure of the engine. The diaphragm's failure was the result of improper installation by the engine manufacturer. A…
- [NTSB DEN05LA106](https://openairdocs.org/ntsb/DEN05LA106.md): Clarke YAK 3UR 2000 · Heber City, UT · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 2005 · N134US · Substantial damage
  > loss of engine power due to a leaking carburetor and an inoperative float, and the pilot's failure to maintain aircraft control during the restart attempt. Contributing factors were the sudden engine power surge during the attempted restart, and unsuitable…
- [NTSB MIA05TA124](https://openairdocs.org/ntsb/MIA05TA124.md): Bell OH-58A · St. Augustine, FL · Accident · Minor injuries · Final report · Jun 29, 2005 · N244RP · Substantial damage
  > The failure of the compressor section of the engine for undetermined reasons resulting in the total loss of engine power during the initial climb. A factor in the accident was the operator's use of a confined area for takeoff during non-emergency or routine…
- [NTSB IAD05LA084](https://openairdocs.org/ntsb/IAD05LA084.md): Bell 206B · Cleveland, OH · Accident · No injuries · Limited investigation · Final report · Jun 25, 2005 · N1212N · Substantial damage
  > A failure of the main drive shaft for undetermined reasons, which resulted in a total loss of engine power. A factor was pilot's improper flare, which resulted in a hard landing.
- [NTSB LAX05LA208](https://openairdocs.org/ntsb/LAX05LA208.md): Beech C35 · Pasadena, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 2005 · N5813C · Substantial damage
  > a fuel starvation induced loss of engine power due a failure of the electric fuel pump. A factor in the accident was the dark night lighting conditions.
- [NTSB ATL05LA103](https://openairdocs.org/ntsb/ATL05LA103.md): Rutherford Seawind 3000 · Sarasota, FL · Accident · 1 fatal · Limited investigation · Final report · Jun 18, 2005 · N7117 · Substantial damage
  > Maintenance personnel failure to secure throttle linkage on the carburetor which resulted in loss of engine power and a collision with a building.
- [NTSB ATL05LA101](https://openairdocs.org/ntsb/ATL05LA101.md): Piper PA-32-300 · Fort Myers, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 2005 · N646RM · Substantial damage
  > A loss of engine power due to the connecting rod cap separation for undetermined reasons. Related factors were trees and the swampy terrain condition.
- [NTSB IAD05LA077](https://openairdocs.org/ntsb/IAD05LA077.md): Piper PA-25-260 · Southampton, NJ · Accident · No injuries · Limited investigation · Final report · Jun 15, 2005 · N4754Y · Substantial damage
  > A lack of lubrication for undetermined reasons which resulted in the failure of the Nos. 4 and 5 connecting rods, and a subsequent total loss of engine power. A factor in the accident was the furrowed cornfield.
- [NTSB MIA05FA123](https://openairdocs.org/ntsb/MIA05FA123.md): Douglas R4D-8 · Fort Lauderdale, FL · Accident · Serious injuries · Field investigation · Final report · Jun 13, 2005 · N3906J · Destroyed
  > The inadequate maintenance inspection by company maintenance personnel/pilot and other maintenance personnel of the left engine resulting in a total failure of the master rod bearing, and nose case partial separation, which prevented the left propeller from…
- [NTSB IAD05LA076](https://openairdocs.org/ntsb/IAD05LA076.md): Aeronca C-3 · Toughkenamon, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2005 · N13002 · Substantial damage
  > The failure of the crankshaft, which resulted in a forced landing and subsequent collision with wires. A factor was the wires.
- [NTSB MIA05LA111](https://openairdocs.org/ntsb/MIA05LA111.md): Hamilton Stoddard Glassair II S · Palm City, FL · Accident · Minor injuries · Limited investigation · Final report · May 27, 2005 · N401KY · Substantial damage
  > Improper maintenance by other maintenance personnel, which resulted in the throttle cable being loose and detaching from the throttle arm during takeoff, resulting in a loss of engine power.
- [NTSB IAD05FA068](https://openairdocs.org/ntsb/IAD05FA068.md): Cessna R182 · New Fairfield, CT · Accident · 2 fatal · Field investigation · Final report · May 24, 2005 · N756PN · Destroyed
  > Failure of the aluminum-clad, number two connecting rod bearings, which resulted in a total loss of engine power. A factor was the relatively short forced landing area.
- [NTSB MIA05LA107](https://openairdocs.org/ntsb/MIA05LA107.md): C.W. Smith Rans S6 Coyote II · Louisville, MS · Accident · Serious injuries · Limited investigation · Final report · May 21, 2005 · UNREG · Substantial damage
  > Galling of the front piston and cylinder of the Rotax 503 2-stroke engine, consistent with the engine running hot and lean for undetermined reasons, resulting in damage to the airplane during the subsequent forced landing.
- [NTSB CHI05IA116](https://openairdocs.org/ntsb/CHI05IA116.md): Embraer EMB-145LR · Kansas City, MO · Incident · No injuries · Incident investigation · Final report · May 19, 2005 · N814HK · Minor damage
  > The fatigue failure during cruise flight of the fan spinner and forward fan retaining ring due to an interference between the mating parts resulting from the inadequate design by the manufacturer.
- [NTSB LAX05LA172](https://openairdocs.org/ntsb/LAX05LA172.md): Republic RC-3 · Geyserville, CA · Accident · Minor injuries · Limited investigation · Final report · May 14, 2005 · N6292K · Substantial damage
  > A loss of engine power due to failure of the number 1 connecting rod bearing due to a probable oil starvation.
- [NTSB IAD05LA064](https://openairdocs.org/ntsb/IAD05LA064.md): Piper PA-28-140 · Dover, DE · Accident · Minor injuries · Limited investigation · Final report · May 14, 2005 · N55165 · Substantial damage
  > The separated baffle which blocked the tailpipe resulting in a subsequent total loss of engine power.
- [NTSB DFW05IA119](https://openairdocs.org/ntsb/DFW05IA119.md): Eurocopter France EC120B · S.Timbalier 265 · Incident · No injuries · Incident investigation · Final report · May 13, 2005 · N588SC · No damage
  > The loss of engine power as result of the failure of the oil pump assembly.
- [NTSB LAX05LA159](https://openairdocs.org/ntsb/LAX05LA159.md): Beech 23 · Tucson, AZ · Accident · Minor injuries · Limited investigation · Final report · May 7, 2005 · N2388Q · Substantial damage
  > a loss of engine power due to the fatigue fracture and separation of the mixture control cable. The fatigue crack resulted from inadequate installation techniques by unknown maintenance personnel.
- [NTSB LAX05LA146](https://openairdocs.org/ntsb/LAX05LA146.md): Robinson Helicopter R22A · Kailua-Kona, HI · Accident · No injuries · Limited investigation · Final report · Apr 24, 2005 · N8406J · Substantial damage
  > a total loss of engine power due to the failure of the engine's #3 exhaust valve due to an excessive valve guide clearance. Contributing to the accident was the failure of maintenance personnel to adequately check the valve guide clearance during the last…
- [NTSB DEN05LA070](https://openairdocs.org/ntsb/DEN05LA070.md): Ross/Stonecipher Vans RV-6 · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Apr 22, 2005 · N345JE · Substantial damage
  > the loss of engine power due to oil starvation. A contributing factor was the contamination in the inverted oil system's separator.
- [NTSB NYC05LA074](https://openairdocs.org/ntsb/NYC05LA074.md): Beech A36TC · Southbury, CT · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2005 · N3810X · Substantial damage
  > The failure of the counter weight aft snap ring to hold the associated plate and pin in place, which resulted in a total loss of engine power.
- [NTSB LAX05LA140](https://openairdocs.org/ntsb/LAX05LA140.md): Beech 35-C33A · Paso Robles, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 2005 · N299X · Substantial damage
  > the separation of the number 4 engine cylinder due to improperly torqued cylinder hold down nuts. A finding in this accident was the lack of a shoulder restraint system in the airplane, which contributed to the occupants' injuries.
- [NTSB NYC05LA071](https://openairdocs.org/ntsb/NYC05LA071.md): Brennan Flightstar · Middleboro, MA · Accident · No injuries · Limited investigation · Final report · Apr 16, 2005 · N125KM · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB LAX05LA136](https://openairdocs.org/ntsb/LAX05LA136.md): Cessna T210M · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Apr 13, 2005 · N732SY · Substantial damage
  > a loss of power for undetermined reasons.
- [NTSB SEA05LA057](https://openairdocs.org/ntsb/SEA05LA057.md): Cessna 152 · Covington, WA · Accident · No injuries · Limited investigation · Final report · Mar 8, 2005 · N65579 · Substantial damage
  > The failure of connecting rods during cruise flight resulting in a loss of engine power. Trees were a factor.
- [NTSB CHI05LA076](https://openairdocs.org/ntsb/CHI05LA076.md): Cessna 177RG · Rochester, MN · Accident · Serious injuries · Limited investigation · Final report · Mar 6, 2005 · N2019Q · Substantial damage
  > The loss of engine power due to oil starvation and the subsequent failure of a connecting rod. Additional causes were the improper maintenance due to under-torqued fasteners, and inadequate airframe manufacturer maintenance procedures resulting in an improper…
- [NTSB ATL05TA055](https://openairdocs.org/ntsb/ATL05TA055.md): Cessna T-41B · Sparta, TN · Accident · Serious injuries · Final report · Mar 3, 2005 · N14449 · Substantial damage
  > Improper installation of the timing reference plug by other maintenance personnel, which resulted in oil starvation, and the loss of engine power.
- [NTSB CHI05CA074](https://openairdocs.org/ntsb/CHI05CA074.md): Cessna 177RG · Fargo, ND · Accident · Serious injuries · Data collection · Final report · Feb 26, 2005 · N1623H · Substantial damage
  > The mechanic's improper installation of the oil filter canister base gasket, which resulted in an oil leak and the separation of the connecting rod due to oil starvation. Factors to the accident were the unsuitable terrain encountered during the forced…
- [NTSB ATL05LA052](https://openairdocs.org/ntsb/ATL05LA052.md): WSK PZL Mielec M-18A · Macedonia, SC · Accident · No injuries · Limited investigation · Final report · Feb 23, 2005 · N2296Y · Substantial damage
  > The fatigue cracking of the planetary gear housing, which resulted in the loss of engine power.
- [NTSB ATL05LA051](https://openairdocs.org/ntsb/ATL05LA051.md): Mooney 20P · Smith, AL · Accident · Serious injuries · Limited investigation · Final report · Feb 18, 2005 · N321DT · Substantial damage
  > Maintenance personnel failure to properly torque the cylinder head during installation that resulted in the separation from the engine assembly and the subsequent loss of power.
- [NTSB LAX05LA087](https://openairdocs.org/ntsb/LAX05LA087.md): Cessna 152 · Hana, HI · Accident · No injuries · Limited investigation · Final report · Feb 6, 2005 · N7332L · Substantial damage
  > Foreign object damage inside an engine cylinder, which resulted in a loss of engine power during climb to cruise, and an off-airport forced landing.
- [NTSB IAD05LA033](https://openairdocs.org/ntsb/IAD05LA033.md): Ghiles MCR-01 VLA · Cincinnati, OH · Accident · No injuries · Limited investigation · Final report · Jan 17, 2005 · N3085Q · Substantial damage
  > A total loss of engine power due to an oil hose collapse, which resulted in failure of the #4 connecting rod.
- [NTSB ATL05LA047](https://openairdocs.org/ntsb/ATL05LA047.md): Beech C-23 · Roseboro, NC · Accident · No injuries · Limited investigation · Final report · Jan 17, 2005 · N9JY · Substantial damage
  > The overload fracture of the engine oil cooler for undetermined reasons.
- [NTSB LAX05LA070](https://openairdocs.org/ntsb/LAX05LA070.md): Cessna 150H · Pauma Valley, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 16, 2005 · N22562 · Substantial damage
  > the loss of engine power due to an undetermined obstruction in the vent system for the fuel tanks and failure of the fuel caps to vent.
- [NTSB ATL05LA039](https://openairdocs.org/ntsb/ATL05LA039.md): Piper PA-32-300 · Polkton, NC · Accident · No injuries · Limited investigation · Final report · Jan 6, 2005 · N364BW · Substantial damage
  > A loss of engine power due to the failure of the engine-driven fuel pump, which resulted in fuel starvation.
- [NTSB CHI05FA048](https://openairdocs.org/ntsb/CHI05FA048.md): Beech S35 · Herman, WI · Accident · 2 fatal · Field investigation · Final report · Dec 25, 2004 · N5631K · Substantial damage
  > The installation of the improper cylinder base packing seals by maintenance personnel resulting in the loss of lubriation and subsequent failure of the number four connecting rod/bearing. A factor associated with the accident was the trees that the airplane…
- [NTSB DFW05FA032](https://openairdocs.org/ntsb/DFW05FA032.md): Hughes 369D · Zachary, LA · Accident · Serious injuries · Field investigation · Final report · Dec 9, 2004 · N7148Z · Substantial damage
  > The loss of engine power as a result of fatigue cracking of the compressor adaptor coupling initiated by fretting on the pilot diameter and subsequent disconnection of the compressor from the turbine assembly. A contributing factor was the low operating…
- [NTSB MIA05FA040](https://openairdocs.org/ntsb/MIA05FA040.md): Convair Div. of Gen. Dynamics 340 · N. Miami Beach, FL · Accident · No injuries · Field investigation · Final report · Dec 4, 2004 · N41626 · Substantial damage
  > The improper maintenance of the left engine by company maintenance personnel (failure to flush metal from the oil system and failure to properly preserve the engine for storage) resulting in a total failure of the master rod bearing and contamination of the…
- [NTSB CHI05CA032](https://openairdocs.org/ntsb/CHI05CA032.md): Olson Sonex · Oconomowoc, WI · Accident · Serious injuries · Data collection · Final report · Nov 21, 2004 · N478SX · Substantial damage
  > The loss of engine power due to a fatigue fracture of the crankshaft. An additional cause to the accident was the pilot/builder's failure to verify the dimensions of the shrink-fit crankshaft components prior reassembling the engine. A factor to the accident…
- [NTSB ATL05LA026](https://openairdocs.org/ntsb/ATL05LA026.md): Golden Circle Air T-Bird II · Dunlap, TN · Accident · Serious injuries · Limited investigation · Final report · Nov 18, 2004 · UNREG · Substantial damage
  > The pilot's improper flare during forced landing following a loss of engine power for undetermined reasons, which resulted in a hard landing. A factor was the separation of a fuel line, which resulted in fuel starvation to the engine.
- [NTSB IAD05FA012](https://openairdocs.org/ntsb/IAD05FA012.md): Cessna P210 · Paint Lick, KY · Accident · 1 fatal · Field investigation · Final report · Nov 12, 2004 · N6539P · Destroyed
  > Improper alignment of a turbocharger oil line, which resulted in wear damage through the hose wall and a subsequent loss of engine oil. Contributing to the accident was the low cloud ceiling.
- [NTSB CHI05LA019](https://openairdocs.org/ntsb/CHI05LA019.md): Piper PA-24 · Buffalo Grove, IL · Accident · Serious injuries · Limited investigation · Final report · Oct 29, 2004 · N6764P · Substantial damage
  > Fatigue fracture of the engine crankshaft during initial climb after takeoff resulting in a complete loss of engine power. Contributing factors were the trees and the highway.
- [NTSB MIA05LA016](https://openairdocs.org/ntsb/MIA05LA016.md): Cessna T210N · Raymond, MS · Accident · Minor injuries · Limited investigation · Final report · Oct 27, 2004 · N6108Y · Destroyed
  > The total loss of engine power which was initiated by fretting of the crankcase halves for undetermined reasons, causing rotation of several of the main bearings, oil starvation, and subsequent failure of several of the connecting rods. A contributing factor…
- [NTSB ATL05FA013](https://openairdocs.org/ntsb/ATL05FA013.md): Beech BE-60 · Asheville, NC · Accident · 4 fatal · Field investigation · Final report · Oct 27, 2004 · N611JC · Substantial damage
  > The pilot's failure to follow emergency procedures and to maintain airspeed following a loss of engine power during takeoff, which resulted in an inadvertent stall/spin and subsequent uncontrolled impact with terrain. Contributing to the cause was inadequate…
- [NTSB LAX05TA018](https://openairdocs.org/ntsb/LAX05TA018.md): Hughes OH-6A · Tucson, AZ · Accident · Serious injuries · Final report · Oct 25, 2004 · N6188L · Destroyed
  > The loss of engine power due to a fatigue fracture of the PC line from the governor to fuel control, resulting from fretting damage induced by excessive vibration, which was due to the failure of maintenance personnel to install the proper bearings in the…
- [NTSB ATL05LA007](https://openairdocs.org/ntsb/ATL05LA007.md): Piper PA-32RT-300T · Guntersville, AL · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2004 · N19TL · Substantial damage
  > Total loss of engine power due to engine oil contamination, engine oil starvation, and multiple connecting rod bearing failures.
- [NTSB DFW05LA009](https://openairdocs.org/ntsb/DFW05LA009.md): Cessna 150L · Denton, TX · Accident · No injuries · Limited investigation · Final report · Oct 19, 2004 · N6870G · Substantial damage
  > The loss of engine power due to the separation of the accessory drive gear bolts, and the failure of the starter-clutch assembly. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB NYC05FA005](https://openairdocs.org/ntsb/NYC05FA005.md): Piper PA-28-161 · Madison, CT · Accident · 2 fatal · Field investigation · Final report · Oct 11, 2004 · N233PA · Substantial damage
  > A loss of engine power due to separation of the propeller due to under-torqued retention bolts.
- [NTSB FTW04CA246](https://openairdocs.org/ntsb/FTW04CA246.md): Grumman G-164A · Gilbert, LA · Accident · No injuries · Data collection · Final report · Sep 28, 2004 · N8661H · Substantial damage
  > The failure of a piston connecting rod for undetermined reasons resulting in the loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=5

## 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=4

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