# NTSB investigations, 1995: Loss of engine power(partial) - 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 2 · 60 cases

## Latest cases

- [NTSB FTW96LA078](https://openairdocs.org/ntsb/FTW96LA078.md): Piper PA-24-250 · Kaufman, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 1995 · N5221P · Substantial damage
  > The loss of engine power due to a bent push rod and the resultant loss of oil. Factors were the cockpit smoke and the lack of suitable terrain for the forced landing.
- [NTSB FTW96LA077](https://openairdocs.org/ntsb/FTW96LA077.md): Stinson ST-108-2 · Lake Dallas, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 27, 1995 · N135C · Destroyed
  > the failure of the #6 connecting rod assembly. A factor was the lack of suitable terrain for a forced landing which resulted in a water landing.
- [NTSB LAX96FA080](https://openairdocs.org/ntsb/LAX96FA080.md): Cessna 152 · Compton, CA · Accident · Minor injuries · Field investigation · Final report · Dec 26, 1995 · N6110Q · Destroyed
  > a push rod failed from fatigue as a result of longitudinal stress corrosion cracking.
- [NTSB ATL96FA021](https://openairdocs.org/ntsb/ATL96FA021.md): Mooney M20J · Bay Minette, AL · Accident · 2 fatal · Field investigation · Final report · Dec 14, 1995 · N3874H · Destroyed
  > failure of the alternate air door, which resulted in blockage of air through the induction system. A factor relating to the accident was: failure to comply with Safety Bulletin SB-M20-253.
- [NTSB CHI96LA035](https://openairdocs.org/ntsb/CHI96LA035.md): Pzl-Mielec M-18A · Montrose, MI · Accident · No injuries · Limited investigation · Final report · Nov 20, 1995 · N2296J · Substantial damage
  > a loss of engine power as a result of the separation of the throttle push-pull cable.
- [NTSB SEA96LA020](https://openairdocs.org/ntsb/SEA96LA020.md): Snow S2C · Dufer, OR · Accident · No injuries · Limited investigation · Final report · Nov 16, 1995 · N1694S · Substantial damage
  > A loss of engine power due to a cracked cylinder head. A factor was the evasive maneuver to avoid a ditch.
- [NTSB LAX96LA041](https://openairdocs.org/ntsb/LAX96LA041.md): Cooke KR-2 · Watsonville, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 7, 1995 · N57CC · Destroyed
  > partial loss of engine power for an undetermined reason, and failure of the pilot to maintain adequate airspeed, while maneuvering for an emergency landing, which resulted in an inadvertent stall and collision with the terrain.
- [NTSB LAX96LA023](https://openairdocs.org/ntsb/LAX96LA023.md): Great Lakes 2T-1A-2 · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · Oct 26, 1995 · N3808F · Substantial damage
  > the improper installation of an intake manifold tube assembly during engine overhaul which permitted leakage into the induction system resulting in detonation and piston failure in the associated cylinder.
- [NTSB CHI96LA006](https://openairdocs.org/ntsb/CHI96LA006.md): Cessna 172F · Danbury, WI · Accident · No injuries · Limited investigation · Final report · Oct 11, 1995 · N8740U · Substantial damage
  > the partial failure of the left magneto, the road sign, and the road embankment. A factor relating to this accident is the brush which obscured the road sign.
- [NTSB NYC95LA229](https://openairdocs.org/ntsb/NYC95LA229.md): Piper PA-28-151 · Warminster, PA · Accident · No injuries · Limited investigation · Final report · Sep 29, 1995 · N33330 · Substantial damage
  > the pilot's improper positioning of the fuel selector which resulted in a total loss of engine power due to fuel starvation. A contributing factor was pilot distraction.
- [NTSB ATL95LA172](https://openairdocs.org/ntsb/ATL95LA172.md): Grumman G-164A · Lynchburg, SC · Accident · No injuries · Limited investigation · Final report · Sep 22, 1995 · N9700 · Substantial damage
  > The failure of the magneto mount pad, which resulted in a malfunction of the magneto timing and partial loss of engine power. A factor relating to the accident was: high vegetation in the emergency landing area.
- [NTSB MIA95IA243](https://openairdocs.org/ntsb/MIA95IA243.md): Piper PA-28-161 · New Smyrna Bch, FL · Incident · No injuries · Incident investigation · Final report · Sep 10, 1995 · N150ER · No damage
  > fatigue failure of the piston assembly (piston and piston pin).
- [NTSB LAX95FA322](https://openairdocs.org/ntsb/LAX95FA322.md): Floyd Lancair 200 SE · Georgetown, CA · Accident · 2 fatal · Field investigation · Final report · Sep 3, 1995 · N92RF · Destroyed
  > a partial loss of engine power for undetermined reasons, and the pilot's failure to abort the takeoff in a timely manner. The tailwind was a factor.
- [NTSB CHI95LA293](https://openairdocs.org/ntsb/CHI95LA293.md): Patin Challenger II · Cedar Springs, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 1995 · N4281D · Substantial damage
  > inadequate engine maintenance by the owner/pilot-mechanic. Factors associated with the accident were fouled spark plugs and the pilot not being able to maintain proper altitude/clearance between his airplane and the electrical power lines during his landing…
- [NTSB ATL95LA164](https://openairdocs.org/ntsb/ATL95LA164.md): Cessna 188B · Raeford, NC · Accident · No injuries · Limited investigation · Final report · Aug 19, 1995 · N731VX · Substantial damage
  > the loss of the abutment seal which resulted in the fatigue failure of the cylinder head.
- [NTSB MIA95LA206](https://openairdocs.org/ntsb/MIA95LA206.md): Beech 65 · Caribbean Sea · Accident · Minor injuries · Limited investigation · Final report · Aug 16, 1995 · N5078C · Destroyed
  > Loss of engine power for undetermined reasons. Contributing to the accident was the inability of the pilot to feather the propeller.
- [NTSB CHI95LA283](https://openairdocs.org/ntsb/CHI95LA283.md): Piper PA-31 · Ironwood, MI · Accident · No injuries · Limited investigation · Final report · Aug 14, 1995 · N9123Y · Substantial damage
  > the pilot's failure to maintain control of the airplane during the aborted takeoff. A factor was the partial loss of engine power for an undetermined reason.
- [NTSB LAX95LA290](https://openairdocs.org/ntsb/LAX95LA290.md): Piper PA-30-B · Wickenberg, AZ · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 1995 · N8113Y · Substantial damage
  > the pilot's improper emergency procedures. The pilot's diverted attention, and the magnetos clearance and timing were factors in this accident.
- [NTSB MIA95FA200](https://openairdocs.org/ntsb/MIA95FA200.md): Piper PA-28-140 · Pulaski, TN · Accident · 2 fatal · Field investigation · Final report · Aug 11, 1995 · N32420 · Destroyed
  > Failure of the pilot to perform the before-takeoff checklist, and his failure to abort the takeoff due to inadequate acceleration. Contributing to the accident was an inadequate annual inspection by maintenance personnel for failure to safety the carburetor…
- [NTSB LAX95LA287](https://openairdocs.org/ntsb/LAX95LA287.md): Avid Mark IV · Chino, CA · Accident · No injuries · Limited investigation · Final report · Aug 10, 1995 · N16CN · Substantial damage
  > a forced landing into unsuitable terrain due to an engine failure for undetermined reasons.
- [NTSB CHI95LA284](https://openairdocs.org/ntsb/CHI95LA284.md): Van Zwoll Viking · Decker, IN · Accident · No injuries · Limited investigation · Final report · Aug 10, 1995 · N69VZ · Substantial damage
  > the failure of the head gasket resulting in a coolant leak and subsequent engine overtemperature. A factor was the unsuitable terrain encountered in the cornfield.
- [NTSB BFO95LA079](https://openairdocs.org/ntsb/BFO95LA079.md): Hughlett Challenger II · Madisonville, KY · Accident · 1 fatal · Limited investigation · Final report · Aug 10, 1995 · N890JH · Destroyed
  > an intermittent short of the ignition system, due to improper maintenance/modification of the engine, which resulted in partial loss of engine power; and failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall and collision…
- [NTSB NYC95LA184](https://openairdocs.org/ntsb/NYC95LA184.md): Mooney M20C · Montgomery, PA · Accident · No injuries · Limited investigation · Final report · Aug 9, 1995 · N9216V · Substantial damage
  > The partial loss of engine power, as a result of an excessively rich fuel flow in the carburetor, and a subsequent forced landing. A factor relating to the accident was the malfunction of the landing gear.
- [NTSB MIA95LA197](https://openairdocs.org/ntsb/MIA95LA197.md): Cessna 152 · Spring Hill, FL · Accident · No injuries · Limited investigation · Final report · Aug 7, 1995 · N67597 · Substantial damage
  > The pilot's premature decision to perform a precautionary landing. Contributing to the accident was partial loss of engine power due to failure of one of the two magnetos.
- [NTSB SEA95LA177](https://openairdocs.org/ntsb/SEA95LA177.md): Piper PA-31 · Boise, ID · Accident · No injuries · Limited investigation · Final report · Aug 6, 1995 · N9111Y · Substantial damage
  > improper adjustment of the engine fuel control units by company maintenance personnel which led to excessive fuel flow and subsequent partial loss of engine power. Factors contributing to the accident were the rough terrain and high density altitude.
- [NTSB CHI95LA258](https://openairdocs.org/ntsb/CHI95LA258.md): Air Tractor AT-401 · Aurora, NE · Accident · No injuries · Limited investigation · Final report · Aug 4, 1995 · N4543F · Substantial damage
  > the cracked engine assembly that caused the power loss during a critical phase of flight. Factors associated with this accident were the restricted airplane performance due to the power loss, the airplane's altitude was too low, and remedial action, by, the…
- [NTSB MIA95LA191](https://openairdocs.org/ntsb/MIA95LA191.md): Cessna 150L · Holly Springs, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1995 · N1774Q · Substantial damage
  > The failure of the pilot-in-command to insure the oil dip stick was secure prior to departure resulting in loss of engine oil, overheating of the engine, and loss of engine power.
- [NTSB SEA95LA165](https://openairdocs.org/ntsb/SEA95LA165.md): Grumman G-164A · Buhl, ID · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 1995 · N48471 · Substantial damage
  > The loss of power due to the failure of an engine cylinder. The chemical load was not dumped for undetermined reasons and contributed to the severity of injuries.
- [NTSB MIA95LA189](https://openairdocs.org/ntsb/MIA95LA189.md): Fairchild 24W-46 · Callahan, FL · Accident · No injuries · Limited investigation · Final report · Jul 24, 1995 · N81222 · Substantial damage
  > Loss of engine power due to failure of the magnetos. A factor in the accident was the lack of suitable terrain for the forced landing.
- [NTSB FTW95LA313](https://openairdocs.org/ntsb/FTW95LA313.md): Steinke Early Bird · Akron, CO · Accident · No injuries · Limited investigation · Final report · Jul 23, 1995 · N593JN · Substantial damage
  > Failure of the pilot to properly flare the airplane for landing during an emergency landing after takeoff. Factors relating to the accidents were: a malfunction of the side rave valve, an excessively rich fuel mixture, and the high density altitude, which…
- [NTSB FTW95LA312](https://openairdocs.org/ntsb/FTW95LA312.md): Piper J3C · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Jul 22, 1995 · N5985V · Substantial damage
  > A partial power loss due to a stuck number four exhaust valve. A factor was the lack of suitable terrain for a forced landing.
- [NTSB CHI95LA230](https://openairdocs.org/ntsb/CHI95LA230.md): Cessna 172F · Wyandotte, IN · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 1995 · N8599U · Substantial damage
  > the number three intake valve became stuck (seized), which resulted in a loss of engine power. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB ANC95LA107](https://openairdocs.org/ntsb/ANC95LA107.md): Hughes 500D · Paxson, AK · Accident · No injuries · Limited investigation · Final report · Jul 18, 1995 · N8639F · Substantial damage
  > Fuel starvation due to acrylamide contamination in the fuel control inlet filter. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB SEA95LA154](https://openairdocs.org/ntsb/SEA95LA154.md): Air Tractor AT-301 · Roberts, ID · Accident · No injuries · Limited investigation · Final report · Jul 17, 1995 · N4326S · Substantial damage
  > A loss of engine power due to the separation of the number 3 cylinder exhaust valve rocker arm shaft from the cylinder head, which disabled movement of the exhaust valve. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI95FA226](https://openairdocs.org/ntsb/CHI95FA226.md): Piper PA-32-300 · Festus, MO · Accident · 3 fatal · Field investigation · Final report · Jul 15, 1995 · N82CA · Destroyed
  > an improper annual inspection, the fouled spark plugs, the arcing magneto distributor, and the pilot's attempt to take off with known deficiencies.
- [NTSB ATL95LA134](https://openairdocs.org/ntsb/ATL95LA134.md): Stafford Aerosport Scamp · Abbeville, SC · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 1995 · N99TJ · Substantial damage
  > The improper engine overhaul which resulted in metal contamination of the engine assembly.
- [NTSB MIA95LA181](https://openairdocs.org/ntsb/MIA95LA181.md): Rockwell S-2R · Lambert, MS · Accident · Minor injuries · Limited investigation · Final report · Jul 11, 1995 · N8440V · Destroyed
  > Unsuitable terrain encountered during the forced landing. Contributing to the accident was the partial loss of engine power due to failure of the no. 4 cylinder intake valve rocker arm bosses.
- [NTSB FTW95LA301](https://openairdocs.org/ntsb/FTW95LA301.md): Air Tractor AT-401 · Cash, AR · Accident · No injuries · Limited investigation · Final report · Jul 11, 1995 · N1004W · Substantial damage
  > Engine power loss due to partial failure of one magneto combined with total failure of the other magneto. A factor was the lack of suitable terrain for a forced landing.
- [NTSB FTW95FA277](https://openairdocs.org/ntsb/FTW95FA277.md): Bellanca 17-31A · Hot Springs, AR · Accident · 4 fatal · Field investigation · Final report · Jul 10, 1995 · N39875 · Destroyed
  > The partial loss of engine power as a result of the disengagement of the throttle cable housing due to improper maintenance. Factors were the night condition and the lack of suitable terrain.
- [NTSB LAX95LA253](https://openairdocs.org/ntsb/LAX95LA253.md): Piper PA-25-235 · Maricopa, AZ · Accident · No injuries · Limited investigation · Final report · Jul 6, 1995 · N9188T · Substantial damage
  > an undetermined internal failure of the carburetor.
- [NTSB FTW95LA282](https://openairdocs.org/ntsb/FTW95LA282.md): Aero Commander S2R · Newport, AR · Accident · No injuries · Limited investigation · Final report · Jul 6, 1995 · N5654X · Substantial damage
  > A disconnected throttle push pull rod, due to inadequate maintenance. A factor relating to the accident was: the lack of suitable terrain for the forced landing.
- [NTSB FTW95FA270](https://openairdocs.org/ntsb/FTW95FA270.md): Champion 7ECA · Lake Dallas, TX · Accident · Serious injuries · Field investigation · Final report · Jul 5, 1995 · N11064 · Substantial damage
  > The pilot's failure to maintain airspeed and the resulting inadvertent stall/spin. A factor was inadequate maintenance resulting in the partial loss of engine power due to the number one cylinder exhaust valve being stuck open.
- [NTSB MIA95LA151](https://openairdocs.org/ntsb/MIA95LA151.md): Beech C24R · Houston, MS · Accident · No injuries · Limited investigation · Final report · Jun 18, 1995 · N24024 · Substantial damage
  > Partial loss of engine power due to a fuel injector being clogged with carbon. This resulted in a landing on unsuitable terrain.
- [NTSB CHI95LA183](https://openairdocs.org/ntsb/CHI95LA183.md): Piper PA-28-180 · Brooklyn, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 1995 · N5195L · Destroyed
  > the pilot operating the airplane with a known deficiency. A factor was the pilot not maintaining control of the airplane.
- [NTSB SEA95LA118](https://openairdocs.org/ntsb/SEA95LA118.md): Enstrom 280C · The Dalles, OR · Accident · No injuries · Limited investigation · Final report · Jun 14, 1995 · N51657 · Substantial damage
  > A partial loss of engine power due to one set of ignition points becoming loose during flight. Factors included the low altitude flight and maneuvering required to conduct the operation and the resulting lack of suitable terrain for a forced landing.
- [NTSB CHI95LA160](https://openairdocs.org/ntsb/CHI95LA160.md): Weatherly 201C · Clarks, NE · Accident · 1 fatal · Limited investigation · Final report · May 30, 1995 · N9038W · Destroyed
  > a partial failure of the engine supercharger.
- [NTSB MIA95LA138](https://openairdocs.org/ntsb/MIA95LA138.md): North American T-28A · Arcadia, FL · Accident · No injuries · Limited investigation · Final report · May 28, 1995 · N28FE · Substantial damage
  > Loss of engine power due to separation of 3 connecting rods from the master rod for undetermined reasons(s).
- [NTSB FTW95LA211](https://openairdocs.org/ntsb/FTW95LA211.md): Air Tractor AT-502 · Lissie, TX · Accident · No injuries · Limited investigation · Final report · May 20, 1995 · N4554R · Substantial damage
  > The partial loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.
- [NTSB NYC95LA112](https://openairdocs.org/ntsb/NYC95LA112.md): Helio H-250 · Clarkson, NY · Accident · Minor injuries · Limited investigation · Final report · May 18, 1995 · N5460E · Substantial damage
  > Failure of the engine fuel pump, which resulted in fuel starvation and loss of engine power over an unsuitable landing area. Factors relating to the accident were: the airplane manufacture did not list the use of the installed electric boost pumps, nor did…
- [NTSB ATL95LA095](https://openairdocs.org/ntsb/ATL95LA095.md): Kolb Firestar II · Cumming, GA · Accident · No injuries · Limited investigation · Final report · May 8, 1995 · N47WH · Substantial damage
  > The pilot/owner's failure to inspect the aircraft, which resulted in a loose spark plug lead. A factor was the rough terrain conditions at the landing area.

Next page: https://openairdocs.org/ntsb.md?year=1995&occurrence=352&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") = 1995
  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" = 352)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=352&year=1995

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