# 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 13 of 58 · 2,878 cases

## Cases, newest first

- [NTSB FTW99LA128](https://openairdocs.org/ntsb/FTW99LA128.md): Luscombe 8E · Conroe, TX · Accident · Serious injuries · Limited investigation · Final report · May 1, 1999 · N2638K · Substantial damage
  > The loss of engine power due to fuel starvation as a result of a blocked fuel vent. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI99LA143](https://openairdocs.org/ntsb/CHI99LA143.md): Narzinski Avid Flyer Mark IV · West Alton, MO · Accident · No injuries · Limited investigation · Final report · May 1, 1999 · N313N · Substantial damage
  > The failure of the connecting rod bearing, and the rough/uneven terrain condition.
- [NTSB ANC99LA052](https://openairdocs.org/ntsb/ANC99LA052.md): Cessna 185 · Juneau, AK · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 1999 · N93311 · Substantial damage
  > The failure of the engine driven fuel pump for undetermined reasons. Factors associated with this accident were the low altitude at which the failure occurred resulting in task overload of the pilot, and landing the amphibious airplane in the swampy terrain…
- [NTSB LAX99LA157](https://openairdocs.org/ntsb/LAX99LA157.md): Schweizer G-164B · Marysville, CA · Accident · No injuries · Limited investigation · Final report · Apr 19, 1999 · N3633B · Substantial damage
  > A loss of engine power due to a leaking surge bleed valve which induced compressor stalls within the engine.
- [NTSB LAX99LA155](https://openairdocs.org/ntsb/LAX99LA155.md): Cessna 150H · Yuba City, CA · Accident · No injuries · Limited investigation · Final report · Apr 18, 1999 · N22710 · Substantial damage
  > A total loss of engine power resulting from the fatigue failure of a cylinder's exhaust valve. A contributing factor was the uneven terrain at the forced landing site. The reason for the fatigue could not be determined.
- [NTSB LAX99LA153](https://openairdocs.org/ntsb/LAX99LA153.md): Ventura Rans S-12 · El Cajon, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 17, 1999 · N8179V · Substantial damage
  > Engine power loss due to an interruption of fuel to or within a carburetor, and the resultant overheating of its associated cylinder. The reason for the fuel flow interruption could not be determined.
- [NTSB LAX99LA165](https://openairdocs.org/ntsb/LAX99LA165.md): Parker Vans RV-4 · Red Bluff, CA · Accident · No injuries · Limited investigation · Final report · Apr 12, 1999 · N6420E · Substantial damage
  > A crack which developed in the automotive-type oil cooler of the experimental, amateur built aircraft and permitted the engine oil supply to flow overboard.
- [NTSB FTW99LA110](https://openairdocs.org/ntsb/FTW99LA110.md): Cessna 172N · Turrell, AR · Accident · No injuries · Limited investigation · Final report · Apr 7, 1999 · N5171K · Substantial damage
  > The total loss of engine power as the result of improper maintenance which led to the number one cylinder intake valve rocker assembly stud bolt backing out rendering the valve inoperative. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI99LA122](https://openairdocs.org/ntsb/CHI99LA122.md): Mooney M20J · Vienna, IL · Accident · Serious injuries · Limited investigation · Final report · Apr 7, 1999 · N9969X · Destroyed
  > The worn ignition points/cam follower assembly, and uneven landing terrain.
- [NTSB LAX99LA140](https://openairdocs.org/ntsb/LAX99LA140.md): Cessna 210D · El Monte, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 1999 · N2340F · Substantial damage
  > A loss of engine power due to the fatigue failure of the mixture control cable, which was due to the improper installation and adjustment of the cable 99 hours prior to the accident.
- [NTSB ANC99LA043](https://openairdocs.org/ntsb/ANC99LA043.md): Piper PA-32R · Fairbanks, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 1999 · N1942H · Substantial damage
  > The loss of engine power due to the failure of maintenance personnel to properly torque a connecting rod bolt during an engine overhaul, and the subsequent disconnection of the connecting rod bolt and connecting rod.
- [NTSB LAX99LA134](https://openairdocs.org/ntsb/LAX99LA134.md): Cessna 172RG · Moorpark, CA · Accident · No injuries · Limited investigation · Final report · Mar 29, 1999 · N9451D · Substantial damage
  > The failure and separation of the number two cylinder for undetermined reasons. A factor was the soft terrain at the forced landing site.
- [NTSB NYC99LA081](https://openairdocs.org/ntsb/NYC99LA081.md): Cessna 177RG · Pottstown, PA · Accident · No injuries · Limited investigation · Final report · Mar 28, 1999 · N177AR · Substantial damage
  > The failure of maintenance personnel to properly inspect and torque the crankcase bolts.
- [NTSB NYC99FA078](https://openairdocs.org/ntsb/NYC99FA078.md): Deleeuw Sprint 1000 · Lakewood, NJ · Accident · 1 fatal · Field investigation · Final report · Mar 20, 1999 · UNREG · Destroyed
  > The pilot's loss of control, which resulted in an unintentional stall/spin after an engine failure. A factor in the accident was the engine failure, which occurred when the magneto piston seized within the cylinder sleeve during an overtemp event.
- [NTSB ATL99LA055](https://openairdocs.org/ntsb/ATL99LA055.md): Schweizer G-164B · Bay Springs, MS · Accident · No injuries · Limited investigation · Final report · Mar 19, 1999 · N3629T · Substantial damage
  > The fuel control drive bearing failure at the intermediate gear resulted in fuel starvation and the subsequent loss of engine power.
- [NTSB NYC99FA074](https://openairdocs.org/ntsb/NYC99FA074.md): Cessna 340A · Chesapeake, VA · Accident · 2 fatal · Field investigation · Final report · Mar 16, 1999 · N13DT · Destroyed
  > The pilot's failure to maintain control of the airplane during a single engine emergency landing, after experiencing a failure of the left engine. A factor in this accident was the failure of the left engine's camshaft due to a fatigue crack.
- [NTSB DEN99LA056](https://openairdocs.org/ntsb/DEN99LA056.md): Aero Commander 200D · Evanston, WY · Accident · No injuries · Limited investigation · Final report · Mar 13, 1999 · N49J · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB FTW99LA088](https://openairdocs.org/ntsb/FTW99LA088.md): Piper J3C-65 · Denton, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 1, 1999 · N92350 · Substantial damage
  > The total loss of engine power on takeoff resulting from the failure of an incorrect throttle control cable clamp, which was installed by an unknown person. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX99LA113](https://openairdocs.org/ntsb/LAX99LA113.md): Cessna P210N · Pacific Ocean (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Feb 28, 1999 · HSKCC · Destroyed
  > A loss of engine oil pressure and ensuing loss of engine power for undetermined reasons.
- [NTSB LAX99LA111](https://openairdocs.org/ntsb/LAX99LA111.md): Cooper Vans RV-6 · Vacaville, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 26, 1999 · N36VR · Substantial damage
  > The failure of the engine assembler to apply the proper torque on the connecting rods bolts, which led to fatigue cracking and ultimately fracture of the rod bolts.
- [NTSB CHI99IA096](https://openairdocs.org/ntsb/CHI99IA096.md): Cessna T210R · Tinley Park, IL · Incident · No injuries · Incident investigation · Final report · Feb 20, 1999 · N7687U · Minor damage
  > the improper installation of the pressure oil line 'B' nut by maintenance personnel. Contributing to the incident were the loose pressure oil line 'B' nut and separation of the propeller from the aircraft.
- [NTSB LAX99LA103](https://openairdocs.org/ntsb/LAX99LA103.md): Zivko Aeronautics Edge 540 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1999 · N9ND · Substantial damage
  > The manufacturer's inadequate quality control procedures, which allowed an improperly manufactured crankshaft to be shipped, resulting in the separation of one counterweight from the crankshaft lug and the subsequent catastrophic internal failure of the…
- [NTSB DEN99LA040](https://openairdocs.org/ntsb/DEN99LA040.md): Hughes 369D · Baggs, WY · Accident · Serious injuries · Limited investigation · Final report · Feb 16, 1999 · CGDCM · Substantial damage
  > A hard landing resulting from rotor rpm decay. Factors were the improper replacement of the turbine by company maintenance personnel resulting in the PC line nut becoming loose, and the pilot operating outside the normal height/velocity curve.
- [NTSB MIA99LA081](https://openairdocs.org/ntsb/MIA99LA081.md): Cessna 210G · Lake Placid, FL · Accident · Minor injuries · Limited investigation · Final report · Feb 12, 1999 · N5874F · Substantial damage
  > a total loss of engine power due to an in-flight separation of the crankshaft, caused by a fatigue crack that originated from the aft fillet radius of the No. 2 main journal, resulting in a forced landing in a field and impact with a tree.
- [NTSB DEN99IA038](https://openairdocs.org/ntsb/DEN99IA038.md): British Aerospace BAE 146-200A · Aspen, CO · Incident · No injuries · Incident investigation · Final report · Feb 12, 1999 · N608AW · Minor damage
  > The inadequate maintenance overhaul of the number four turbine disc by the manufacturer. A factor was the turbine blade's failure due to high cycle fatigue fracture.
- [NTSB MIA99LA079](https://openairdocs.org/ntsb/MIA99LA079.md): Wolf Seawind 3000 · Bradenton, FL · Accident · Minor injuries · Limited investigation · Final report · Feb 11, 1999 · N76SW · Substantial damage
  > Total loss of engine power due to a burned piston for undetermined reasons resulting in a forced landing to unsuitable terrain and the subsequent crash landing onto a golf course.
- [NTSB LAX99GA083](https://openairdocs.org/ntsb/LAX99GA083.md): McDonnell Douglas 369E · Lake Elsinore, CA · Accident · Serious injuries · Final report · Jan 30, 1999 · N992SD · Destroyed
  > The pilot's failure to maintain main rotor rpm and her misjudged flare. Also causal was the failure of the company maintenance personnel to follow the procedures/directives in the engine manufacturer's operation and maintenance manual and their improper…
- [NTSB MIA99LA069](https://openairdocs.org/ntsb/MIA99LA069.md): Beech A36 · Charleston, SC · Accident · No injuries · Limited investigation · Final report · Jan 26, 1999 · N4976M · Substantial damage
  > the total loss of engine power caused by an oil leak at the oil filter adapter, resulting in a broken connecting rod, a subsequent forced landing and impact with rough terrain.
- [NTSB LAX99LA081](https://openairdocs.org/ntsb/LAX99LA081.md): Hiller UH-12E · Lemoore, CA · Accident · No injuries · Limited investigation · Final report · Jan 24, 1999 · N67064 · Substantial damage
  > The inadequate nature of the operator's maintenance, which failed to detect the primer and magneto discrepancies. An overly lean fuel mixture and/or magneto cross firing resulted in detonation, an ensuing connecting rod failure, and a total loss of engine…
- [NTSB LAX99LA075](https://openairdocs.org/ntsb/LAX99LA075.md): Hanson Hanson Tailwind W-8 · Chula Vista, CA · Accident · No injuries · Limited investigation · Final report · Jan 16, 1999 · N8188 · Destroyed
  > The loss of lubrication to the number 3 rod bearing and the resulting failure of the number 3 connecting rod. A contributing factor to the accident was the soft terrain at the accident location.
- [NTSB LAX99LA067](https://openairdocs.org/ntsb/LAX99LA067.md): Cessna 140 · Santa Barbara, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 4, 1999 · N3585V · Substantial damage
  > A loss of engine power due to an internal left magneto coil primary circuit short. Factors were insufficient altitude and inadequate terrain to make an emergency landing.
- [NTSB IAD99FA025](https://openairdocs.org/ntsb/IAD99FA025.md): Lake LA-4-250 · Laconia, NH · Accident · 1 fatal · Field investigation · Final report · Jan 4, 1999 · N14001 · Destroyed
  > A loss of engine power during initial climb due to oil starvation. Contributing to the accident was the failure to perform an engine overhaul.
- [NTSB LAX99TA066](https://openairdocs.org/ntsb/LAX99TA066.md): Bell 205A-1 · Van Nuys, CA · Accident · Serious injuries · Final report · Jan 3, 1999 · N58126 · Substantial damage
  > A loss of engine power due to an undetermined component failure in the second stage power turbine nozzle area. Factors in the accident were the mountainous/hilly nature of the terrain and the dark night lighting conditions which precluded the pilot from…
- [NTSB LAX99LA065](https://openairdocs.org/ntsb/LAX99LA065.md): Mooney M20K · Delano, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 3, 1999 · N1079G · Substantial damage
  > The fatigue failure and separation of the oil pump drive from the accessory gear section, which induced an oil starvation failure of the engine. The fatigue failure of the oil pump drive gear was caused by improper machining of the gear's fillet radius during…
- [NTSB LAX99FA057](https://openairdocs.org/ntsb/LAX99FA057.md): Bell UH-1H · Quincy, CA · Accident · 1 fatal · Field investigation · Final report · Dec 23, 1998 · N4590 · Destroyed
  > An inaccurate exhaust gas temperature gauge, that allowed the engine to be run over-temperature unknowingly by the pilot, which resulted in the subsequent failure of the turbine sections. Also causal was the pilot's failure to maintain rotor RPM during the…
- [NTSB FTW99LA052](https://openairdocs.org/ntsb/FTW99LA052.md): Cessna 182 · Umpire, AR · Accident · No injuries · Limited investigation · Final report · Dec 16, 1998 · N1933N · Substantial damage
  > Catastrophic engine failure due to failures of the #5 piston, #5 connecting rod, and the camshaft. A factor was the lack of suitable terrain for a forced landing.
- [NTSB ATL99LA023](https://openairdocs.org/ntsb/ATL99LA023.md): Cessna 175 · Locust Grove, GA · Accident · Minor injuries · Limited investigation · Final report · Nov 25, 1998 · N565ML · Substantial damage
  > Loss of engine power due to a gear train failure in the accessory gearbox for undetermined reasons. A factor was the rough and uneven terrain.
- [NTSB LAX99LA054](https://openairdocs.org/ntsb/LAX99LA054.md): Williams Hurrican HP · Corona, CA · Accident · No injuries · Limited investigation · Final report · Nov 21, 1998 · N323DW · Substantial damage
  > The seizure of the engine due to a cylinder/piston overheat condition for undetermined reasons.
- [NTSB FTW99LA032](https://openairdocs.org/ntsb/FTW99LA032.md): Piper PA32-300 · New Iberia, LA · Accident · Minor injuries · Limited investigation · Final report · Nov 20, 1998 · N2881U · Substantial damage
  > The mechanic's failure to properly torque the connecting rod's bolt and nut during engine overhaul. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA99LA032](https://openairdocs.org/ntsb/MIA99LA032.md): Cessna 152 · Miami, FL · Accident · No injuries · Limited investigation · Final report · Nov 12, 1998 · N48013 · Substantial damage
  > The loss of engine power due to a connecting rod failure for undetermined reasons. Contributing to the accident was the unsuitable terrain encountered during the forced landing.
- [NTSB LAX99LA029](https://openairdocs.org/ntsb/LAX99LA029.md): Piper PA-28-150 · Gila Bend, AZ · Accident · No injuries · Limited investigation · Final report · Nov 12, 1998 · N991PK · Substantial damage
  > The crankshaft gear attach bolt loosening and backing out of its crankshaft bore, which led to the fatigue failure of the crankshaft gear dowel pin due to excessive working of the gear. The sequence of failures was the result of the engine overhaul shop's…
- [NTSB IAD99LA015](https://openairdocs.org/ntsb/IAD99LA015.md): Bell 206-B · Louisville, KY · Accident · Minor injuries · Limited investigation · Final report · Nov 12, 1998 · N32KY · Substantial damage
  > A loose 'B' nut on the aircraft's PC Air line which resulted in fuel starvation, and the pilot's abrupt application of aft cyclic to prevent a nose over. Contributing factors were soft terrain and dark night conditions.
- [NTSB ATL99LA017](https://openairdocs.org/ntsb/ATL99LA017.md): Grumman-Schweizer G164B · Cuthbert, GA · Accident · Minor injuries · Limited investigation · Final report · Nov 11, 1998 · N6656Q · Destroyed
  > The fatigue failure of the accessory gear shaft which resulted in fuel starvation and the loss of engine power. A factors was the fuel system filter restriction.
- [NTSB FTW99LA023](https://openairdocs.org/ntsb/FTW99LA023.md): Beech 35-C33 · Tulsa, OK · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 1998 · N24TH · Substantial damage
  > The loss of engine power due to detonation for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB IAD99GA013](https://openairdocs.org/ntsb/IAD99GA013.md): Schweizer 269C · Baltimore, MD · Accident · 1 fatal · Final report · Nov 4, 1998 · N2100B · Destroyed
  > inadequate assembly instructions from the engine manufacturer which resulted in improper engine assembly, and subsequent power loss over unsuitable terrain, with insufficient altitude for a successful autorotation.
- [NTSB MIA99LA025](https://openairdocs.org/ntsb/MIA99LA025.md): Ercoupe 415-C · Hartselle, AL · Accident · Serious injuries · Limited investigation · Final report · Oct 31, 1998 · N99924 · Substantial damage
  > Improper modification of the carburetor float by maintenance personnel resulting in the float sticking in the full needle valve open position and failure of the engine due to excessive fuel flow.
- [NTSB MIA99LA019](https://openairdocs.org/ntsb/MIA99LA019.md): Cessna 152 · Douglasville, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 28, 1998 · N25037 · Destroyed
  > Failure of the no. 1 cylinder exhaust valve guide due to erosion, which resulted in separation of the exhaust valve head, loss of engine power, and collision with a power pole during a forced landing on unsuitable terrain.
- [NTSB MIA99LA017](https://openairdocs.org/ntsb/MIA99LA017.md): Reinhold Revolution Mini 500 · Hickory, NC · Accident · No injuries · Limited investigation · Final report · Oct 26, 1998 · N500GQ · Substantial damage
  > The seizure of the rear piston in the cylinder barrel resulting in total loss of engine power and an autorotation which resulted in main rotor contact with the tail boom while touching down on unsuitable terrain.
- [NTSB ATL99LA006](https://openairdocs.org/ntsb/ATL99LA006.md): Hiller FH-1100 · Fayette, MS · Accident · No injuries · Limited investigation · Final report · Oct 10, 1998 · N580RH · Substantial damage
  > The fuel filter contamination which resulted in the loss of engine power. The air leak in the fuel system was a factor.
- [NTSB ATL99LA005](https://openairdocs.org/ntsb/ATL99LA005.md): Cessna 188 · Patrick, SC · Accident · No injuries · Limited investigation · Final report · Oct 10, 1998 · N9890V · Substantial damage
  > The failure of the number 2 piston for undetermined reasons.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=14

## 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=13

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