# 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 3 of 58 · 2,878 cases

## Cases, newest first

- [NTSB MIA06IA110](https://openairdocs.org/ntsb/MIA06IA110.md): Cessna 172S · St. Augustine, FL · Incident · No injuries · Incident investigation · Final report · May 23, 2006 · N1130T · Minor damage
  > The loss of engine power due to separation of the crankshaft as a result of lack of adequate oil lubrication to the #2 main bearing. The lack of oil lubrication was most likely the result of improper assembly (fitting) of the bearing shells to the crankshaft.
- [NTSB ATL06LA077](https://openairdocs.org/ntsb/ATL06LA077.md): Piper PA-28-180 · Hemmingway, SC · Accident · Minor injuries · Limited investigation · Final report · May 10, 2006 · N15702 · Substantial damage
  > A loss of engine power due to a total failure of the No.3 engine cylinder exhaust valve as a result of fatigue from over temperature resulting in a forced landing and collision with trees and the ground.
- [NTSB NYC06LA106](https://openairdocs.org/ntsb/NYC06LA106.md): Schweizer 269C · Kings Park, NY · Accident · Minor injuries · Limited investigation · Final report · May 4, 2006 · N38DM · Substantial damage
  > Loss of engine power due to the failure of the number 3 connecting rod bearing. A contributing factor was the lack of suitable terrain for the emrgency landing.
- [NTSB SEA06CA080](https://openairdocs.org/ntsb/SEA06CA080.md): Pitrolo GL-25 · Worden, MT · Accident · No injuries · Data collection · Final report · Apr 21, 2006 · N27EP · Substantial damage
  > The loss of engine power due to failure of both electronic ignition systems. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA06LA074](https://openairdocs.org/ntsb/SEA06LA074.md): Central Copters Lancair IV-P · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Apr 15, 2006 · N671 · Destroyed
  > The total loss of drive power to the aircraft's propeller while on a visual final approach, due to the decoupling of the quill shaft between the reduction gearbox and the engine power section. Factors include a dark night, no suitable terrain on which to…
- [NTSB DEN06LA062](https://openairdocs.org/ntsb/DEN06LA062.md): Piper PA-46-350P · Hope, NM · Accident · No injuries · Limited investigation · Final report · Apr 13, 2006 · N82LL · Substantial damage
  > A loss of engine power due to failed bearings in the turbocharger and the subsequent oil seal failure leading to oil exhaustion. Factors contributing to the accident were the fractured oil seal and the road sign.
- [NTSB ATL06LA061](https://openairdocs.org/ntsb/ATL06LA061.md): Ayres S2R-T34 · Folkston, GA · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 2006 · N3096H · Substantial damage
  > The total loss of engine power due to the failure of the compressor turbine blades due to high temperature exposure.
- [NTSB DCA06FA033](https://openairdocs.org/ntsb/DCA06FA033.md): Mcdonnell Douglas DC10 · Memphis, TN · Accident · No injuries · Field investigation · Final report · Apr 4, 2006 · N386FE · Substantial damage
  > The rupture of a fatigue crack in the forward air seal tooth serration of the No. 3 engine low pressure turbine stage 1 disk that initiated due to an improper weld repair performed during original manufacture. The improper weld repair changed the material…
- [NTSB MIA06LA067](https://openairdocs.org/ntsb/MIA06LA067.md): Cirrus SR20 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Mar 18, 2006 · N777YM · Substantial damage
  > Catastrophic engine failure due to a low oil level brought about by excessive blow-by and cylinder detonation. Contributing factors in this accident were the inadequate instructions contained in Service Bulletin M89-9 and the ditch.
- [NTSB MIA06LA066](https://openairdocs.org/ntsb/MIA06LA066.md): Loehle P5151 · Lakeland, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2006 · N151RG · Substantial damage
  > The pilot's delay in initiating landing flare during a forced landing following a total loss of engine power. A factor was the lack of correct venting of the carburetor float bowl.
- [NTSB LAX06FA129](https://openairdocs.org/ntsb/LAX06FA129.md): Beech A36 · Santa Monica, CA · Accident · 2 fatal · Field investigation · Final report · Mar 13, 2006 · N16JR · Substantial damage
  > The failure of an aviation maintenance technician to properly torque and cotter pin the number 2 connecting rod bolts at their attach point to the crankshaft, which resulted in the separation of the connecting rod in flight, and complete power loss.
- [NTSB MIA06LA063](https://openairdocs.org/ntsb/MIA06LA063.md): Piper PA-32RT-300T · Baker, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 12, 2006 · N321GS · Substantial damage
  > A loss of engine power due to an oil line leak and oil exhaustion. A contributing factor was the unsuitable terrain on which to make a forced landing.
- [NTSB ATL06LA050](https://openairdocs.org/ntsb/ATL06LA050.md): Cessna 210 · Jesup, GA · Accident · Minor injuries · Limited investigation · Final report · Mar 9, 2006 · N6540X · Substantial damage
  > The loss of engine power due to the fatigue failure of the crankshaft, which resulted in a forced landing, and an in-flight collision with trees. A factor associated with the accident was the failure of other maintenance personnel to comply with the engine…
- [NTSB ATL06LA049](https://openairdocs.org/ntsb/ATL06LA049.md): Ercoupe E · Wetumpka, AL · Accident · No injuries · Limited investigation · Final report · Mar 8, 2006 · N94840 · Substantial damage
  > The failure of the No. 2 exhaust, and intake valves for undetermined reasons, which resulted in a loss of engine power during cruise flight and damage to the airplane during the subsequent forced landing.
- [NTSB DEN06LA040](https://openairdocs.org/ntsb/DEN06LA040.md): Piper PA-28-235 · Torreon, NM · Accident · No injuries · Limited investigation · Final report · Feb 20, 2006 · N9149W · Substantial damage
  > The jammed magneto drive gear and the fractured camshaft gear, which resulted in the total engine failure. A factor contributing to the accident was the unsuitable dirt road on which the pilot had to force land the airplane.
- [NTSB LAX06LA103](https://openairdocs.org/ntsb/LAX06LA103.md): Harwood Kenneth Lancair 360A · Thermal, CA · Accident · No injuries · Limited investigation · Final report · Feb 6, 2006 · N15KH · Substantial damage
  > A loss of engine power caused by the separation of the number three cylinder due to the improper torque on the hold down nuts.
- [NTSB LAX06LA098](https://openairdocs.org/ntsb/LAX06LA098.md): Eurocopter AS350D · Kahului, HI · Accident · No injuries · Limited investigation · Final report · Jan 29, 2006 · N90Q · Substantial damage
  > A total loss of engine power due to the internal effects on the bearings consistent with an operating event of insufficient oil supply. Contributing to the accident was the pilot’s improper flare during the autorotative descent.
- [NTSB LAX06LA094](https://openairdocs.org/ntsb/LAX06LA094.md): Cessna T210N · Mariposa, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 24, 2006 · N4791C · Substantial damage
  > The failure of the maintenance personnel to follow the procedures in the TCM maintenance manual and adequately torque the engine through-bolts, which led to the separation of the No. 6 cylinder and the catastrophic failure of the engine.
- [NTSB LAX06CA090](https://openairdocs.org/ntsb/LAX06CA090.md): Quicksilver MX II Sprint · Bouse, AZ · Accident · Serious injuries · Data collection · Final report · Jan 14, 2006 · UNREG · Minor damage
  > Loss of engine power after takeoff due to engine overheating and piston seizure.
- [NTSB LAX06LA072](https://openairdocs.org/ntsb/LAX06LA072.md): Eurocopter AS350BA · Hana, HI · Accident · Serious injuries · Limited investigation · Final report · Jan 10, 2006 · N3607P · Destroyed
  > The total loss of engine power due to a fatigue failure of a turbine blade. A factor in the accident was the lack of a suitable forced landing site.
- [NTSB DFW06CA050](https://openairdocs.org/ntsb/DFW06CA050.md): Cessna T210 · Midland, TX · Accident · No injuries · Data collection · Final report · Jan 5, 2006 · N5279A · Substantial damage
  > The loss of engine power due to a connecting rod failure. Contributing factors were the dark night conditions and the lack of suitable terrain for the forced landing.
- [NTSB ATL06LA028](https://openairdocs.org/ntsb/ATL06LA028.md): Cessna 177-RG · Locust Grove, GA · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 2005 · N53257 · Substantial damage
  > The total loss of engine power due to failure of the No.1 connecting rod bearing and separation of the No. 1 connecting rod.
- [NTSB LAX06LA048](https://openairdocs.org/ntsb/LAX06LA048.md): Cessna 182A · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Nov 27, 2005 · N3936D · Substantial damage
  > The failure of the camshaft due to fatigue of one of the gear teeth, which resulted in a loss of engine power. Factors were the fence and the fence post.
- [NTSB NYC06LA038](https://openairdocs.org/ntsb/NYC06LA038.md): Piper PA-24-180 · Lincoln Park, NJ · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 2005 · N6858P · Substantial damage
  > The improper installation of the helicoil by the non-certificated mechanic, and the inadequate inspection of the installation by the certificated mechanic.
- [NTSB MIA06FA024](https://openairdocs.org/ntsb/MIA06FA024.md): Piper PA-32-300 · Mims, FL · Accident · 2 fatal · Field investigation · Final report · Nov 23, 2005 · N666DE · Substantial damage
  > The loss of engine power due to improper installation of the #2 cylinder by maintenance personnel, which resulted in the separation of the cylinder as a result of fatigue cracking of the cylinder to crankcase fasteners. A contributing factor was the lack of…
- [NTSB LAX06LA044](https://openairdocs.org/ntsb/LAX06LA044.md): Piper PA-24-250 · Tucson, AZ · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 2005 · N7466P · Substantial damage
  > the separation of the mixture cable at the carburetor control arm, which resulted in a loss of power, and maintenance personnel's inadequate inspection of the airplane during the last annual inspection.
- [NTSB NYC06FA027](https://openairdocs.org/ntsb/NYC06FA027.md): Embraer 110P1 · Manchester, NH · Accident · Serious injuries · Field investigation · Final report · Nov 8, 2005 · N7801Q · Destroyed
  > The pilot’s misapplication of flight controls following an engine failure. Contributing to the accident was the failure of the sun gear, which resulted in the loss of engine power. Contributing to the sun gear failure were the engine manufacturer’s…
- [NTSB DFW06LA027](https://openairdocs.org/ntsb/DFW06LA027.md): Arrow Falcon Exporters Arrow F OH-58A · West Memphis, AR · Accident · 1 fatal · Limited investigation · Final report · Nov 5, 2005 · N331TA · Destroyed
  > The loss of engine power due to a disconnected pneumatic (Pc) line. A contributing factor was the ravine.
- [NTSB DFW06CA020](https://openairdocs.org/ntsb/DFW06CA020.md): Deussen Alexander II Rotorway Exec · Gibson, LA · Accident · Minor injuries · Data collection · Final report · Nov 5, 2005 · N5436X · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB NYC06LA024](https://openairdocs.org/ntsb/NYC06LA024.md): Lo-N-Slo Airsports Maxair Drifter XP-50 · Cobbs Creek, VA · Accident · Minor injuries · Limited investigation · Final report · Oct 31, 2005 · N41094 · Substantial damage
  > Failure of the ignition system, which resulted in a loss of engine power.
- [NTSB CHI06LA021](https://openairdocs.org/ntsb/CHI06LA021.md): Enstrom F-28A · Portland, IN · Accident · No injuries · Limited investigation · Final report · Oct 30, 2005 · N266Q · Substantial damage
  > The pilot's decision to operate the helicopter with a known engine deficiency, the loss of engine power due to the connecting rod failure, and the pilot's failure to maintain directional control during landing. A factor to the accident was the corn crop and…
- [NTSB NYC06FA015](https://openairdocs.org/ntsb/NYC06FA015.md): Cessna 411 · East Hampton, NY · Accident · 1 fatal · Field investigation · Final report · Oct 23, 2005 · N7345U · Destroyed
  > The pilot's failure to maintain airspeed, while maneuvering with the left engine inoperative. Contributing to the accident were the failure of the left engine, and the pilot's lack of multiengine certification.
- [NTSB ANC06LA005](https://openairdocs.org/ntsb/ANC06LA005.md): Crisenbery Northman 2+2 · Nenana, AK · Accident · No injuries · Limited investigation · Final report · Oct 14, 2005 · N239PT · Substantial damage
  > A loss of engine power during cruise flight due to a cracked oil filter housing and subsequent loss of engine oil, which resulted in a forced landing in trees.
- [NTSB ENG06IA001](https://openairdocs.org/ntsb/ENG06IA001.md): Cessna Citation 650 · Madison, WI · Incident · No injuries · Incident investigation · Final report · Oct 9, 2005 · N175DP · Minor damage
  > The inadequate design of the engine's interstage transition duct that yielded after the LPT stage 3 blades had separated and allowed the uncontained release of turbine debris. A contributing factor was the separation of a turbine blade.
- [NTSB MIA05LA164](https://openairdocs.org/ntsb/MIA05LA164.md): North American T-28C · Arcadia, FL · Accident · No injuries · Limited investigation · Final report · Sep 30, 2005 · N176RD · Destroyed
  > A loss of engine power due to the failure of the master rod bearing.
- [NTSB IAD05LA144](https://openairdocs.org/ntsb/IAD05LA144.md): Howard Whyte Nieuport 28 · Dayton, OH · Accident · Serious injuries · Limited investigation · Final report · Sep 30, 2005 · N62610 · Substantial damage
  > A loss of engine power due to the installation of incorrect spring type terminal contacts which were accidentally supplied by the engine distributor.
- [NTSB LAX05LA319](https://openairdocs.org/ntsb/LAX05LA319.md): Rose Kitfox · Hesperia, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 27, 2005 · N656T · Substantial damage
  > a loss of engine power due to a loose master ignition relay wire.
- [NTSB DEN05LA143](https://openairdocs.org/ntsb/DEN05LA143.md): North American SNJ-5 · Torrington, WY · Accident · No injuries · Limited investigation · Final report · Sep 19, 2005 · N212TC · Substantial damage
  > failure of the #7 connecting rod, causing engine seizure. A contributing factor was the berm.
- [NTSB DFW05CA238](https://openairdocs.org/ntsb/DFW05CA238.md): Cessna A188B · Paris, TX · Accident · No injuries · Data collection · Final report · Sep 14, 2005 · N9640G · Substantial damage
  > The loss of engine power due the failure of a connecting rod. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB IAD05LA133](https://openairdocs.org/ntsb/IAD05LA133.md): Piper PA-28-161 · Babylon, NY · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 2005 · N8270M · Substantial damage
  > A broken piston and exhaust valve tappet which resulted in a total loss of engine power, and a forced landing to unsuitable terrain. A contributing factor was the failure of the operator to overhaul the engine at the manufacturer's recommended interval.
- [NTSB SEA05LA189](https://openairdocs.org/ntsb/SEA05LA189.md): Ballhagen/Shyrock Q-2 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Sep 2, 2005 · N12QJ · Substantial damage
  > The pilot/owner's improper setting of the engine's valve clearance, leading to the failure of the exhaust valves to fully close and a total loss of power while on a VFR downwind, and the pilot/owner's failure to maintain sufficient airspeed as he tried to…
- [NTSB NYC05LA139](https://openairdocs.org/ntsb/NYC05LA139.md): Terrio Pober Jr Ace · Oxford, CT · Accident · No injuries · Limited investigation · Final report · Aug 27, 2005 · N37KT · Substantial damage
  > A fractured oil pressure line, which resulted in the fracture of the number 3 cylinder connecting rod bearing, and subsequent loss of engine power.
- [NTSB NYC05LA137](https://openairdocs.org/ntsb/NYC05LA137.md): Ercoupe 415-D · Sandy Lake, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 2005 · N99746 · Substantial damage
  > A total failure of the engine driven fuel pump, and the pilot's failure to recognize a diminishing fuel supply in the fuselage (header) fuel tank, which resulted in a total loss of engine power during cruise flight and subsequent collision with trees during a…
- [NTSB LAX05LA273](https://openairdocs.org/ntsb/LAX05LA273.md): Piper PA-18-105 · Palos Verdes, CA · Accident · No injuries · Limited investigation · Final report · Aug 20, 2005 · N294T · Destroyed
  > a loss of engine power due to the cyclic fatigue failure and separation of the number 4 piston.
- [NTSB DFW05IA222](https://openairdocs.org/ntsb/DFW05IA222.md): Air Tractor AT-401 · Winnie, TX · Incident · No injuries · Incident investigation · Final report · Aug 19, 2005 · N4545W · Minor damage
  > The loss of engine power due to the failure of the second-stage turbine wheel as a result of low cycle fatigue.
- [NTSB LAX05FA264](https://openairdocs.org/ntsb/LAX05FA264.md): San Joaquin Helicopters OH-58A+ · Lancaster, CA · Accident · 1 fatal · Field investigation · Final report · Aug 10, 2005 · N177SJ · Substantial damage
  > The pinion to turbine shaft coupling failed in fatigue due to a misaligned turbine shaft, which resulted in a loss of engine power.
- [NTSB CHI05LA226](https://openairdocs.org/ntsb/CHI05LA226.md): Piper PA-28-161 · Culver, IN · Accident · 2 fatal · Limited investigation · Final report · Aug 10, 2005 · N4512Q · Substantial damage
  > The loss of engine power while maneuvering due to partial failure of the left magneto, and the flight instructor's failure to maintain sufficient airspeed to avoid a stall. An additional cause was improper maintenance by company maintenance personnel,…
- [NTSB NYC05LA126](https://openairdocs.org/ntsb/NYC05LA126.md): Grumman G-164A · Felton, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 2005 · N5495 · Substantial damage
  > The mechanic's inadequate annual inspection, and failure to comply with an airworthiness directive, which resulted in a total failure of the second stage turbine rotor.
- [NTSB SEA05LA153](https://openairdocs.org/ntsb/SEA05LA153.md): Mooney M20J · Sunriver, OR · Accident · No injuries · Limited investigation · Final report · Jul 28, 2005 · N110MP · Substantial damage
  > The loss of engine power as a result of both sets of magneto points failing to open due to excessive wear of the nylon cam followers. The excessive wear of the cam followers was due to maintenance personnel's failure to follow the magneto manufacturer's…
- [NTSB ANC05LA107](https://openairdocs.org/ntsb/ANC05LA107.md): Aerospatiale AS-350BA · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Jul 25, 2005 · N57958 · Substantial damage
  > A loss of engine power during takeoff initial climb due to the separation of the engine power turbine shaft, the failure of which was due to a disconnected adjacent leaf spring, which resulted in an emergency landing after takeoff and subsequent hard landing.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=4

## 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=3

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