# NTSB investigations, 1996: 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 1 of 3 · 119 cases

## Latest cases

- [NTSB LAX97LA076](https://openairdocs.org/ntsb/LAX97LA076.md): Trickle TR-4 · Davis, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 24, 1996 · N91RT · Substantial damage
  > The fatigue fracture and separation of one rod end cap bolt. A factor in the accident was the nature of the terrain for the forced landing.
- [NTSB NYC97LA035](https://openairdocs.org/ntsb/NYC97LA035.md): Cessna T210M · Lexington, KY · Accident · Minor injuries · Limited investigation · Final report · Dec 21, 1996 · N732UH · Substantial damage
  > failure of #5 exhaust valve and/or #5 exhaust valve guide, which resulted in a progressive engine failure (debris puncturing the #5 piston crown, exhaust gasses entering the crankcase, loss of oil through the breather system, oil exhaustion, and subsequent…
- [NTSB SEA97LA039](https://openairdocs.org/ntsb/SEA97LA039.md): Stinson 108-2 · Friday Harbor, WA · Accident · No injuries · Limited investigation · Final report · Dec 20, 1996 · N233C · Destroyed
  > failure of the engine (powerplant) for undetermined reason(s). A factor relating to the accident include: being over water at the time of power failure.
- [NTSB CHI97LA050](https://openairdocs.org/ntsb/CHI97LA050.md): Piper PA-46 · Red Oak, IA · Accident · No injuries · Limited investigation · Final report · Dec 19, 1996 · N446RD · Substantial damage
  > the pilot's inadequate preflight and failure to make a precautionary landing. Additional factors included oil starvation and the failed connecting rod and rod bearing.
- [NTSB FTW97LA063](https://openairdocs.org/ntsb/FTW97LA063.md): Ercoupe 415-D · Amarillo, TX · Accident · No injuries · Limited investigation · Final report · Dec 14, 1996 · N87226 · Substantial damage
  > failure of the #1 exhaust valve, which resulted in loss of engine power and a forced landing on rough/uneven terrain. A factor relating to the accident was: the lack of suitable terrain for a forced landing.
- [NTSB MIA97FA031](https://openairdocs.org/ntsb/MIA97FA031.md): Piper PA32-300D · Reform, AL · Accident · 1 fatal · Field investigation · Final report · Dec 6, 1996 · N8603N · Destroyed
  > a complete loss of engine power due to a total failure of both magnetos, and the failure of the pilot-in-command to insure that the airplane was airworthy. The dark night and unsuitable terrain were factors.
- [NTSB NYC97LA024](https://openairdocs.org/ntsb/NYC97LA024.md): Piper PA-46-350P · Myerstown, PA · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 1996 · N394PM · Substantial damage
  > fatigue failure of the connecting rod to crankshaft attachments, due to inadequate overhaul of the engine by the manufacturer, which resulted in a loss of engine power and a forced landing. Factors relating to the accident included the discharge of oil from…
- [NTSB LAX97LA058](https://openairdocs.org/ntsb/LAX97LA058.md): Cessna T210N · Scottsdale, AZ · Accident · Serious injuries · Limited investigation · Final report · Nov 30, 1996 · N4788C · Destroyed
  > detonation/pre-ignition for unknown reason(s), which resulted in failure of the number two piston, loss of engine power, and a subsequent forced landing on rough/uneven desert terrain.
- [NTSB NYC97FA019](https://openairdocs.org/ntsb/NYC97FA019.md): Cessna 172N · Andover, MA · Accident · No injuries · Field investigation · Final report · Nov 21, 1996 · N4926G · Substantial damage
  > failure of the dual magneto, which resulted in a total loss of engine power, and subsequent collision with trees during a forced landing at night. Darkness and trees in the emergency landing area were related factors.
- [NTSB LAX97LA039](https://openairdocs.org/ntsb/LAX97LA039.md): McDonnell Douglas 369D · Hana, HI · Accident · No injuries · Limited investigation · Final report · Nov 13, 1996 · N8625F · Substantial damage
  > subsequent failure of the spur adapter gearshaft (SAG), after 'retaining ring to compressor impeller machining' occurred and allowed the SAG to shift aft. The mechanism which induced the ring to impeller machining was not determined. Mountainous terrain in…
- [NTSB LAX97LA037](https://openairdocs.org/ntsb/LAX97LA037.md): Cessna 152 · Williams, AZ · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 1996 · N714VX · Destroyed
  > a foreign object in the oil system, which resulted in failure of the oil pump, oil starvation, loss of engine power, and a subsequent forced landing. Rough/uneven terrain in the emergency landing area was a related factor.
- [NTSB CHI97LA021](https://openairdocs.org/ntsb/CHI97LA021.md): Cessna 177A · Kirksville, MO · Accident · Minor injuries · Limited investigation · Final report · Nov 3, 1996 · N30614 · Substantial damage
  > an improper maintenance overhaul by company maintenance personnel which led to a bearing failure. The soft terrain was a factor.
- [NTSB LAX97LA031](https://openairdocs.org/ntsb/LAX97LA031.md): Rainey Rans S-12 · Tucson, AZ · Accident · 2 fatal · Limited investigation · Final report · Nov 2, 1996 · N95HS · Destroyed
  > a broken wire in the ignition coil, which resulted in a loss of engine power; and failure of the pilot to maintain adequate airspeed, which resulted in a stall/spin and uncontrolled collision with the terrain.
- [NTSB LAX97LA035](https://openairdocs.org/ntsb/LAX97LA035.md): Aerostar YAK 52 · Fullerton, CA · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 1996 · N207YK · Substantial damage
  > loss of engine power due to an undetermined internal carburetor malfunction. A factor relating to the accident was: the directions that were use for reassembly of the aircraft were written only in Russian.
- [NTSB ATL97LA012](https://openairdocs.org/ntsb/ATL97LA012.md): Douglas C-47 · Dorado, PR · Accident · Serious injuries · Limited investigation · Final report · Oct 31, 1996 · N37AP · Substantial damage
  > failure of the #11 cylinder on the right (#2) engine, which resulted in an in-flight fire and loss of power in that engine; and a malfunction/failure of the #2 feathering system, which led to a subsequent forced landing before the flight crew could return to…
- [NTSB LAX97LA028](https://openairdocs.org/ntsb/LAX97LA028.md): Leibert BD-5B · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Oct 30, 1996 · N169DS · Substantial damage
  > loss of engine power during the takeoff initial climb, due to an undetermined cooling system malfunction. A related factor was: soft terrain in the forced landing area.
- [NTSB ATL97LA009](https://openairdocs.org/ntsb/ATL97LA009.md): Mooney M20K · Amelia Island, FL · Accident · Serious injuries · Limited investigation · Final report · Oct 25, 1996 · N32DG · Substantial damage
  > inadequate maintenance/inspection, which resulted in a failure to detect and correct moisture contamination of the left magneto; and/or improper adjustment of the engine fuel pump output, which resulted in excessive fuel pressure.
- [NTSB MIA97LA012](https://openairdocs.org/ntsb/MIA97LA012.md): Air Tractor 400 · Sylvester, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 21, 1996 · N73080 · Substantial damage
  > Was the pilots intentional disregard for operating the engine contrary to the flight manuals for intentionally exceeding the maximum engine temperature, resulting in creep failure of one of the compressor turbine blades.
- [NTSB LAX97LA018](https://openairdocs.org/ntsb/LAX97LA018.md): Cessna 172P · Kingsburg, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 1996 · N6187K · Destroyed
  > the student pilot's use of an excessively lean mixture, which led to engine overheating, detonation, subsequent failure of the number 2 piston, and a forced landing.
- [NTSB IAD97LA008](https://openairdocs.org/ntsb/IAD97LA008.md): Cessna 172 · Germantown, KY · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 1996 · N8299U · Substantial damage
  > improper maintenance with the installation of an improper oil ring on the number four piston, which led to failure of both the ring and pistion, oil starvation, and subsequent loss of engine power.
- [NTSB CHI97LA009](https://openairdocs.org/ntsb/CHI97LA009.md): Hayes Lancair 235 · Kansas City, MO · Accident · No injuries · Limited investigation · Final report · Oct 12, 1996 · N90WH · Substantial damage
  > a stuck carburetor float valve which resulted in excessive fuel flow and ultimately fuel exhaustion. A factor related to the accident was the rough terrain on which the forced landing was made.
- [NTSB LAX97LA011](https://openairdocs.org/ntsb/LAX97LA011.md): Richards Lancair IVP · Camarillo, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 8, 1996 · N477RM · Destroyed
  > The loss of engine power for undetermined reasons.
- [NTSB FTW97LA006](https://openairdocs.org/ntsb/FTW97LA006.md): Cessna 175B · Mount Pleasant, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 7, 1996 · N8171T · Substantial damage
  > The total loss of engine power due to the #3 connecting rod separation resulting in engine seizure. Factors were the dark night and the lack of suitable terrain for the forced landing.
- [NTSB CHI97LA004](https://openairdocs.org/ntsb/CHI97LA004.md): Bell 47G-5 · Nunda, SD · Accident · No injuries · Limited investigation · Final report · Oct 6, 1996 · N7925J · Substantial damage
  > failure of maintenance personnel to properly torque the six accessory drive bolts, which resulted in fatigue failure of the undertorqued bolts.
- [NTSB IAD97LA002](https://openairdocs.org/ntsb/IAD97LA002.md): Cessna 150H · Sunbury, PA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1996 · N6741S · Substantial damage
  > failure of the cluster gear attaching bolts (of which one failed from fatigue), resulting in a disconnect of the gear and loss of engine power. An obstruction (rock) in the emergency landing area was a related factor.
- [NTSB SEA96LA223](https://openairdocs.org/ntsb/SEA96LA223.md): Piper PA-28-235 · Paisley, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 25, 1996 · N8822W · Substantial damage
  > Total loss of engine power secondary to geartrain failure.
- [NTSB FTW96LA396](https://openairdocs.org/ntsb/FTW96LA396.md): Coursey Prostar PT-2 · Rio Rancho, NM · Accident · No injuries · Limited investigation · Final report · Sep 22, 1996 · N822CF · Substantial damage
  > fatigue failure of the engine oil cooler coil, which resulted in an oil leak, oil starvation, loss of engine power, and a subsequent forced landing. Factors relating to the accident were: the proximity of a truck on the highway and soft terrain that was…
- [NTSB LAX96LA341](https://openairdocs.org/ntsb/LAX96LA341.md): Beech V35A-TC · Santa Ynez, CA · Accident · No injuries · Limited investigation · Final report · Sep 21, 1996 · N7956M · Substantial damage
  > failure of a maintenance technician to properly torque the fuel injector lines to three cylinders.
- [NTSB ATL96LA128](https://openairdocs.org/ntsb/ATL96LA128.md): Piper PA-32-300 · Georgetown, SC · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1996 · N9VM · Substantial damage
  > failure of maintenance personnel to comply with an airworthiness directive, requiring periodic magneto inspections; inadequate annual inspection of the airplane by (other) maintenance personnel; and subsequent failure of the impulse coupling in the left…
- [NTSB LAX96LA338](https://openairdocs.org/ntsb/LAX96LA338.md): Cessna 152 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Sep 18, 1996 · N94381 · Substantial damage
  > A separation of a connecting rod due to a lack of internal lubrication from a blocked oil passage after a bearing had shifted on its journal.
- [NTSB ATL96LA127](https://openairdocs.org/ntsb/ATL96LA127.md): Beech 33 · West Palm Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 1996 · N108VW · Substantial damage
  > The maintenance personnel failure to properly inspect the fuel system during the last annual inspection.
- [NTSB FTW96LA384](https://openairdocs.org/ntsb/FTW96LA384.md): Cessna 177RG · Colorado Sprngs, CO · Accident · No injuries · Limited investigation · Final report · Sep 11, 1996 · N2797V · Substantial damage
  > The improper installation of the propeller governor by company maintenance personnel, resulting in the total loss of oil and engine seizure. Factors were the pilot's misjudgment of altitude and airspeed, causing him to make a forced landing on unsuitable…
- [NTSB FTW96LA369](https://openairdocs.org/ntsb/FTW96LA369.md): Piper PA-32R-300 · Salida, CO · Accident · No injuries · Limited investigation · Final report · Sep 2, 1996 · N7640F · Substantial damage
  > total failure of the induction air control linkage (bolt), which allowed the alternate air door to close and starve the engine of air.
- [NTSB ANC96LA140](https://openairdocs.org/ntsb/ANC96LA140.md): Piper PA-28-161 · Skwentna, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 1996 · N4366Y · Substantial damage
  > corrosion and subsequent fatigue failure of the crankshaft, which resulted in engine failure and a forced landing. Factors related to the accident were: the lack of suitable terrain for a forced landing, and the operator's non-compliance with a service…
- [NTSB FTW96LA357](https://openairdocs.org/ntsb/FTW96LA357.md): Mooney M20J · Lubbock, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1996 · N4538H · Substantial damage
  > inadequate maintenance by maintenance personnel, which resulted in a total loss of engine power when the magneto disengaged from the engine. A related factor was the lack of suitable terrain for a forced landing.
- [NTSB SEA96LA196](https://openairdocs.org/ntsb/SEA96LA196.md): Westcott Glasair I-FT · Puyallup, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1996 · N289W · Substantial damage
  > failure of the air inlet screen, and subsequent ingestion of the foam air filter. An inadequate maintenance modification by the amateur builder and no suitable landing area were related factors.
- [NTSB LAX96LA311](https://openairdocs.org/ntsb/LAX96LA311.md): Atkinson Varieze · Glendale, AZ · Accident · No injuries · Limited investigation · Final report · Aug 17, 1996 · N3LV · Substantial damage
  > The fracture and separation of the mixture control cable housing from the carburetor mounting bracket, which resulted in fuel starvation due to an overlean condition, and the pilot's failure to maintain an adequate airspeed while stretching the glide to the…
- [NTSB NYC96IA168](https://openairdocs.org/ntsb/NYC96IA168.md): Boeing 727-232 · Flushing, NY · Incident · No injuries · Incident investigation · Final report · Aug 14, 1996 · N533DA · No damage
  > a failure of the low pressure turbine assembly for undetermined reason(s).
- [NTSB ANC96LA124](https://openairdocs.org/ntsb/ANC96LA124.md): Piper PA-18 · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Aug 14, 1996 · N7797B · Substantial damage
  > An engine failure due to an eroded engine piston. Factors in the accident were unsuitable terrain for a forced landing and improperly timed magnetos.
- [NTSB FTW96LA341](https://openairdocs.org/ntsb/FTW96LA341.md): Ayres S-2R · Wharton, TX · Accident · No injuries · Limited investigation · Final report · Aug 12, 1996 · N3084X · Substantial damage
  > total loss of engine power due to a fractured torque sensor shaft. Factors relating to the accident were: the obstructions (fence and trees) in the emergency landing area.
- [NTSB CHI96LA286](https://openairdocs.org/ntsb/CHI96LA286.md): Schuler T Bird II · Fond Du Lac, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 1996 · N31774 · Substantial damage
  > loss of engine power because of improperly insulated ignition wiring. Factors relating to the accident were improper maintenance; and high obstructions in the emergency landing area, which the pilot had to avoid, resulting in a collision with terrain.
- [NTSB CHI96LA281](https://openairdocs.org/ntsb/CHI96LA281.md): Grumman-Schweizer G-164 · Grant, NE · Accident · No injuries · Limited investigation · Final report · Aug 7, 1996 · N8842H · Substantial damage
  > fatigue failure and subsequent catastrophic failure of the number nine cylinder. A factor was the corn.
- [NTSB SEA96LA178](https://openairdocs.org/ntsb/SEA96LA178.md): Piper PA-12 · Astoria, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1996 · N2564M · Substantial damage
  > failure of the carburetor heat box flapper valve, and the resultant air flow restriction to the carburetor. A factor relating to the accident was: high vegetation in the area where the forced landing was executed.
- [NTSB FTW96LA332](https://openairdocs.org/ntsb/FTW96LA332.md): Ayres S2R-G5 · Start, LA · Accident · No injuries · Limited investigation · Final report · Aug 4, 1996 · N20GH · Destroyed
  > a leak in the turbine scavenge pump oil supply line, due to chafing of its separated shield assembly, which resulted in an oil leak, oil starvation, and activation of the propeller feathering system.
- [NTSB CHI96LA270](https://openairdocs.org/ntsb/CHI96LA270.md): Geide SPORT-A · Slater, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 1996 · N1033B · Substantial damage
  > failure of a #2 connecting rod bolt, which led to a jammed connecting rod and subsequent overload separation of the #2 cylinder. A factor relating to the accident was: lack of suitable terrain for an emergency landing.
- [NTSB ATL96FA114](https://openairdocs.org/ntsb/ATL96FA114.md): Cessna TU206A · Greer, SC · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1996 · N4813F · Substantial damage
  > The disintegration of the number 3 piston, and the pilot's inadequate selection of terrain for the landing.
- [NTSB FTW96LA329](https://openairdocs.org/ntsb/FTW96LA329.md): Grumman G-164A · Burlington, CO · Accident · No injuries · Limited investigation · Final report · Jul 31, 1996 · N25SK · Substantial damage
  > The total loss of engine power resulting from a cracked cylinder. A factor was the unsuitable terrain for the forced landing.
- [NTSB CHI96LA262](https://openairdocs.org/ntsb/CHI96LA262.md): Piper PA-J3C · Camp Lake, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1996 · N3445K · Substantial damage
  > seizure of the number 2 piston. Inadequate maintenance was a related factor.
- [NTSB LAX96LA291](https://openairdocs.org/ntsb/LAX96LA291.md): Boeing A75N1 · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1996 · N68251 · Destroyed
  > A loss of engine power due to the disengagement of the crankshaft gear from it's hub due to the overload shear of the eight retaining screws.
- [NTSB LAX96LA293](https://openairdocs.org/ntsb/LAX96LA293.md): Thompson Long EZ TR · Yucca Valley, CA · Accident · No injuries · Limited investigation · Final report · Jul 28, 1996 · N42DJ · Substantial damage
  > Fuel starvation due to the internal failure of the electric fuel pump and the subsequent fuel flow blockage to the gascolator.

Next page: https://openairdocs.org/ntsb.md?year=1996&occurrence=351&page=2

## 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 year(c."eventDate") = 1996
  AND 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&year=1996

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