# NTSB investigations: Loss of engine power(partial) - nonmechanical

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 7 of 24 · 1,176 cases

## Cases, newest first

- [NTSB LAX00LA001](https://openairdocs.org/ntsb/LAX00LA001.md): Ismari Canard C3A · Henderson, NV · Accident · No injuries · Limited investigation · Final report · Oct 2, 1999 · N4526W · Substantial damage
  > A partial loss of engine power for undetermined nonmechanical reasons. A contributing factor was the rough nature of the terrain used for the forced landing.
- [NTSB CHI99LA355](https://openairdocs.org/ntsb/CHI99LA355.md): Piper PA-28-181 · Hermosa, SD · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 1999 · N3889F · Substantial damage
  > the pilot's improper fuel management, improper in-flight decision and the precautionary landing. Factors relating to this accident were the pilot's inadequate preflight planning and the fence post.
- [NTSB DEN99LA168](https://openairdocs.org/ntsb/DEN99LA168.md): Bell 47G3B2A · Tremonton, UT · Accident · No injuries · Limited investigation · Final report · Sep 23, 1999 · N83246 · Substantial damage
  > The pilot's failure to maintain rotor rpm while attempting a precautionary autorotation landing. A factor was the loss of engine power for undetermined reasons.
- [NTSB LAX99LA305](https://openairdocs.org/ntsb/LAX99LA305.md): Cessna 182J · Klamath, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 12, 1999 · N3348F · Substantial damage
  > A loss of engine power due to carburetor icing and the pilot's failure to use carburetor heat in conditions conducive to icing.
- [NTSB ATL99LA123](https://openairdocs.org/ntsb/ATL99LA123.md): Cessna 172 · Houston, MS · Accident · No injuries · Limited investigation · Final report · Sep 6, 1999 · N9785T · Substantial damage
  > The pilot's failure to switch the magneto switch to the both position before attempting a takeoff that resulted in the loss of engine power and resulted in the subsequent collision with trees.
- [NTSB NYC99LA212](https://openairdocs.org/ntsb/NYC99LA212.md): Cessna 150 · Madison, OH · Accident · No injuries · Limited investigation · Final report · Aug 26, 1999 · N2475J · Substantial damage
  > The pilot's delay in using carburetor heat which resulted in a partial loss of engine power, and a forced landing.
- [NTSB NYC99LA209](https://openairdocs.org/ntsb/NYC99LA209.md): Morrisey 2150A · Ellisburg, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 1999 · N312BW · Substantial damage
  > The pilot's delay in applying carburetor heat which resulted in the loss of power, and his misjudgment of the flare during the forced landing.
- [NTSB NYC99LA185](https://openairdocs.org/ntsb/NYC99LA185.md): Cessna 150 · Manville, NJ · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1999 · N714HS · Substantial damage
  > The pilot's failure to follow the checklist and improper use of the carburetor heat. A factor in the accident was determined to be the density altitude.
- [NTSB CHI99LA240](https://openairdocs.org/ntsb/CHI99LA240.md): Piper PA-28-180 · Butler, MO · Accident · No injuries · Limited investigation · Final report · Jul 17, 1999 · N9653J · Substantial damage
  > loss of engine power for undetermined reason, and the pilot's inability to maintain clearance from the fence during the forced landing. Factors relating to this accident were the rising terrain, the rough/uneven terrain, and the fence posts.
- [NTSB LAX99FA242](https://openairdocs.org/ntsb/LAX99FA242.md): Beech 58 · Hilo, HI · Accident · 1 fatal · Field investigation · Final report · Jul 4, 1999 · N971GA · Destroyed
  > The pilot's improper fuel system modifications resulting in inadequate fuel flow to the left engine during a critical phase of flight. Factors in the accident were the operation at an over gross weight condition with a CG more than 2 inches aft of the rear…
- [NTSB CHI99LA210](https://openairdocs.org/ntsb/CHI99LA210.md): Ercoupe 415-CD · Jacksonville, IL · Accident · No injuries · Limited investigation · Final report · Jul 4, 1999 · N127G · Substantial damage
  > A material defect in the sloshing compound. Factors were the blocked fuel system, inspection not identifying material defect, and the crop field.
- [NTSB CHI99LA186](https://openairdocs.org/ntsb/CHI99LA186.md): North American Navion L-17A · Osceola, WI · Accident · No injuries · Limited investigation · Final report · Jun 16, 1999 · N109F · Substantial damage
  > the pilot's mismanagement of the fuel system in that he had the fuel selector positioned to a tank which did not contain sufficient fuel for the flight. Factors associated with the accident were the crop and the ditch which the airplane encountered during the…
- [NTSB MIA99LA171](https://openairdocs.org/ntsb/MIA99LA171.md): Cessna 182P · Lantana, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 10, 1999 · N1578M · Substantial damage
  > The poor in-flight planning by the pilot during the approach for a precautionary landing following a power interruption during the downwind leg, resulting in a go-around. A Contributing factor to the accident was the total loss of engine power during the…
- [NTSB DEN99TA099](https://openairdocs.org/ntsb/DEN99TA099.md): Cessna A185F · Farmington, NM · Accident · No injuries · Final report · Jun 10, 1999 · N4211C · Substantial damage
  > The pilot's inadequate visual lookout and failure to see and avoid a ground obstruction. Factors were the throttle linkage becoming disconnected due to an inadequate annual inspection by maintenance personnel, and a dirt berm.
- [NTSB ATL99LA094](https://openairdocs.org/ntsb/ATL99LA094.md): Cessna 172E · Millington, TN · Accident · Minor injuries · Limited investigation · Final report · May 20, 1999 · N5363T · Substantial damage
  > Loss of engine power due to undetermined reasons. Factors were weather conditions favorable to carburetor ice and the terrain condition at the forced landing site.
- [NTSB MIA99FA142](https://openairdocs.org/ntsb/MIA99FA142.md): Cessna 210L · Vero Beach, FL · Accident · 4 fatal · Field investigation · Final report · Apr 28, 1999 · N3458H · Destroyed
  > A loss of engine power due to a disconnected throttle/power lever, cable. Also causal was the failure of the mechanic to install a cotter pin in the throttle control cable attach hardware at the throttle control arm, and failure of the company quality control…
- [NTSB LAX99LA156](https://openairdocs.org/ntsb/LAX99LA156.md): Beech A23-24 · Yerington, NV · Accident · No injuries · Limited investigation · Final report · Apr 18, 1999 · N7965L · Substantial damage
  > The partial loss of engine power due to the pilot's failure to properly lean the engine for the high density altitude takeoff.
- [NTSB NYC99LA093](https://openairdocs.org/ntsb/NYC99LA093.md): Mooney M20E · Brooksville, KY · Accident · 1 fatal · Limited investigation · Final report · Apr 17, 1999 · N1987Y · Substantial damage
  > Contaminated fuel which resulted in the forced landing, and a heart attack from an adrenaline rush that interacted with preexisting coronary disease which resulted in the pilot's death.
- [NTSB ATL99LA067](https://openairdocs.org/ntsb/ATL99LA067.md): de Havilland DHC-6-200 · Lantana, FL · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 1999 · N838MA · Substantial damage
  > The pilot's failure to secure the engine oil filler cap during the preflight inspection that resulted the subsequent loss of engine power, and his in-flight decision to attempt a single engine go-around with full wing flaps extended.
- [NTSB DEN99LA057](https://openairdocs.org/ntsb/DEN99LA057.md): Cessna 172G · Agate, CO · Accident · Minor injuries · Limited investigation · Final report · Mar 19, 1999 · N1321F · Substantial damage
  > The development of carburetor ice resulting in a partial loss of engine power. Factors were the weather conditions favorable for carburetor icing, the dark night conditions, and the lack of suitable terrain for landing.
- [NTSB DEN99LA054](https://openairdocs.org/ntsb/DEN99LA054.md): Cessna 320D · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Mar 16, 1999 · N4127T · Substantial damage
  > A partial loss of power on the left engine for undetermined reasons. A factor was the pilot's failure to maintain directional control of the aircraft during landing flare/touchdown.
- [NTSB DEN99LA046](https://openairdocs.org/ntsb/DEN99LA046.md): Piper PA-23C-250 · Lamar, CO · Accident · No injuries · Limited investigation · Final report · Feb 27, 1999 · N6574Y · Substantial damage
  > The pilot's improper use of the airplane's fuel tank selector switches. Factors were the fuel starvation to both engines, the pilot's lack of sleep, and the soft terrain.
- [NTSB LAX99LA095](https://openairdocs.org/ntsb/LAX99LA095.md): Beech 95 · Henderson, NV · Accident · No injuries · Limited investigation · Final report · Feb 12, 1999 · N1176 · Substantial damage
  > a loss of power in one engine due to the student pilot inadvertently selecting the off position on one fuel selector valve while accomplishing the prelanding checklist. The instructor's inadequate supervision of the flight was also causal.
- [NTSB CHI99LA082](https://openairdocs.org/ntsb/CHI99LA082.md): Cessna 152 · Odessa, MO · Accident · Minor injuries · Limited investigation · Final report · Feb 2, 1999 · N67568 · Substantial damage
  > the total loss of engine power for reasons undetermined. Factors were total loss of engine power, the instructor pilot's encounter with unsuitable terrain, and the rough terrain.
- [NTSB FTW99LA072](https://openairdocs.org/ntsb/FTW99LA072.md): Piper PA-34-200T · Wharton, TX · Accident · Serious injuries · Limited investigation · Final report · Jan 28, 1999 · N8729E · Substantial damage
  > The pilot's failure to comply with the manufacturer's single engine landing checklist which resulted in the aircraft landing short of the runway.
- [NTSB FTW99LA069](https://openairdocs.org/ntsb/FTW99LA069.md): Cessna 150H · Nemo, TX · Accident · Serious injuries · Limited investigation · Final report · Jan 25, 1999 · N152PA · Substantial damage
  > A partial loss of engine power due to the obstructed fuel vent line and fuel cap vent.
- [NTSB MIA99LA065](https://openairdocs.org/ntsb/MIA99LA065.md): Piper PA-22-108 · Perry, GA · Accident · No injuries · Limited investigation · Final report · Jan 6, 1999 · N4542Z · Substantial damage
  > The maintenance personnel incorrect adjustment of the intake and exhaust valves resulting in the induction system fire and subsequent loss of engine power.
- [NTSB ATL99LA038](https://openairdocs.org/ntsb/ATL99LA038.md): Piper PA-34-200 · Hogansville, GA · Accident · No injuries · Limited investigation · Final report · Jan 2, 1999 · N5016T · Substantial damage
  > Fuel exhaustion due to inadequate planning and the pilot's failure to refuel the airplane. Factors were the weather conditions and hilly terrain.
- [NTSB LAX99FA052](https://openairdocs.org/ntsb/LAX99FA052.md): Parkman VARI-EZE · Tucson, AZ · Accident · 1 fatal · Field investigation · Final report · Dec 18, 1998 · N81EZ · Destroyed
  > The pilot's failure to attain and maintain an adequate flying airspeed during the aircraft's maiden flight, which resulted in a stall/mush condition. Also causal was the pilot/builder's decision to modify the engine and the fuel system control microchip,…
- [NTSB ATL99LA031](https://openairdocs.org/ntsb/ATL99LA031.md): Piper PA-28-140 · Aiken, SC · Accident · No injuries · Limited investigation · Final report · Nov 25, 1998 · N3350T · Substantial damage
  > The pilot's failure to use carburetor heat properly. Contributing to the accident were the carburetor icing conditions.
- [NTSB SEA99FA015](https://openairdocs.org/ntsb/SEA99FA015.md): Piper PA-23-150 · Ferndale, WA · Accident · Serious injuries · Field investigation · Final report · Nov 16, 1998 · CFJXG · Substantial damage
  > The pilot's improper decision to attempt to reach his final destination after a partial loss of engine power, instead of making a precautionary landing at one of the airports he overflew along his route. Factors include an inadequate preflight, a fuel filter…
- [NTSB SEA99LA011](https://openairdocs.org/ntsb/SEA99LA011.md): Cessna 152 · Auburn, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 7, 1998 · N6312P · Substantial damage
  > A partial loss of engine power due to carburetor ice formation. Factors included insufficient altitude/time available for remedial action, a tail wind during the forced landing attempt, and a fence at the end of the runway.
- [NTSB ATL99LA012](https://openairdocs.org/ntsb/ATL99LA012.md): AeroSport WS-15-2 · Parkton, NC · Accident · No injuries · Limited investigation · Final report · Nov 7, 1998 · N88760 · Substantial damage
  > The collapse of the carburetor heat box hose which starved the carburetor of air resulting in a partial loss of power, forced landing and nose over. Factors were the weeds and stocky stubble in the forced landing zone.
- [NTSB MIA99LA016](https://openairdocs.org/ntsb/MIA99LA016.md): Piper PA-34 · Ormond Beach, FL · Accident · No injuries · Limited investigation · Final report · Oct 27, 1998 · N45SA · Substantial damage
  > The pilot's failure to maintain Vmc speed, which resulted in a loss of control, and his improper operation of the throttle given the known full rich operating condition of the left engine. A sand-contaminated fuel control was a contributing factor.
- [NTSB ANC99LA002](https://openairdocs.org/ntsb/ANC99LA002.md): Cessna 207A · Napaskiak, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 8, 1998 · N6874M · Substantial damage
  > The pilot's inadequate preflight inspection to remove all contaminated fuel from the fuel system. Factors in the accident were the pilot's inadequate planning/decision to continue a second takeoff following an engine surge and aborted takeoff, and unsuitable…
- [NTSB MIA99LA003](https://openairdocs.org/ntsb/MIA99LA003.md): Piper PA-28R-200 · Punta Gorda, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 1998 · N53EN · Substantial damage
  > The failure of maintenance personnel to refill the engine oil following the draining of the oil and changing of the oil filter. Also, inadequate preflight of the airplane by the pilot for his failure to noted the absence of engine oil.
- [NTSB LAX99FA001](https://openairdocs.org/ntsb/LAX99FA001.md): Aero Commander 680 FPL · Palm Springs, CA · Accident · 1 fatal · Field investigation · Final report · Oct 1, 1998 · N5YZ · Destroyed
  > The pilot's failure to properly use the manual turbocharger wastegates and to monitor the manifold pressure during takeoff.
- [NTSB CHI98LA365](https://openairdocs.org/ntsb/CHI98LA365.md): Cessna 182 · Wheatfield, IN · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 1998 · N6474A · Substantial damage
  > the pilot's failure to apply carburetor heat when the engine lost power. Factors associated with the accident were the carburetor icing conditions which prevailed, the low altitude at which the loss of power occurred, and the soybean crop in which the…
- [NTSB MIA98LA249](https://openairdocs.org/ntsb/MIA98LA249.md): Cessna 152 · Burlington, NC · Accident · Minor injuries · Limited investigation · Final report · Sep 20, 1998 · N48195 · Destroyed
  > The pilot's failure to abort the takeoff after recognizing that the airplane was slow to accelerate during the takeoff roll, and his not obtaining/maintaining clearance with the wire during the forced landing. Contributing factors were carburetor icing…
- [NTSB SEA98LA177](https://openairdocs.org/ntsb/SEA98LA177.md): Stinson 108-1 · Spray, OR · Accident · No injuries · Limited investigation · Final report · Sep 14, 1998 · N8666K · Substantial damage
  > A partial loss of engine power, and the pilot's subsequent misjudgment of clearance with a transmission wire during a precautionary landing approach. The reason for the power loss was not determined; however, the pilot reported that it was not of a mechanical…
- [NTSB LAX98LA283](https://openairdocs.org/ntsb/LAX98LA283.md): Piper PA-28-140 · Truckee, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1998 · N8772N · Substantial damage
  > The pilot's failure to use carburetor heat in temperature conditions conducive to carburetor icing and his failure to lean the engine in a high density altitude environment, which combined, led to a partial loss of engine power and the onset of a stall during…
- [NTSB MIA98LA240](https://openairdocs.org/ntsb/MIA98LA240.md): Grumman AA-5B · Winnsboro, SC · Accident · No injuries · Limited investigation · Final report · Sep 5, 1998 · N28395 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB FTW98LA320](https://openairdocs.org/ntsb/FTW98LA320.md): Navion G · Telluride, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1998 · N2498T · Substantial damage
  > Pilot operating the aircraft with an overly lean mixture. A factor was unsuitable terrain for a forced landing.
- [NTSB IAD98LA077](https://openairdocs.org/ntsb/IAD98LA077.md): Bennett Piel Emeraude · Hillsville, VA · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1998 · N86WB · Substantial damage
  > A blocked fuel strainer due to an inadequate maintenance inspection by the previous owner, which resulted in fuel starvation.
- [NTSB ANC98LA094](https://openairdocs.org/ntsb/ANC98LA094.md): Meeuwsen Wagabond · Wasilla, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 11, 1998 · N36GM · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB CHI98LA241](https://openairdocs.org/ntsb/CHI98LA241.md): Rockwell S-2R · Fort Ransom, ND · Accident · No injuries · Limited investigation · Final report · Jul 7, 1998 · N4232X · Substantial damage
  > A loss of engine power due to fuel exhaustion. Factors contributing to this accident were the pilot's failure to ensure the airplane had enough fuel to complete the flight, and the fence.
- [NTSB CHI98LA235](https://openairdocs.org/ntsb/CHI98LA235.md): Piper PA-22-108 · Spearfish, SD · Accident · 1 fatal · Limited investigation · Final report · Jul 1, 1998 · N5181Z · Substantial damage
  > the pilots improper preflight planning, which failed to detect the fuel selector positioned on the left fuel tank, which had insufficient fuel, resulting in fuel starvation, and the loss of engine power.
- [NTSB NYC98LA132](https://openairdocs.org/ntsb/NYC98LA132.md): Extra Flugzeugbau Flugzeugbau EA260 · Georgia, VT · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 1998 · N148GC · Destroyed
  > The pilot's inadequate inflight decision and the loss of engine power due to a blocked vent line. A contributing factor was an unreliable fuel gauge.
- [NTSB LAX98LA196](https://openairdocs.org/ntsb/LAX98LA196.md): Beech 76 · San Martin, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1998 · N912KA · Substantial damage
  > Failure of the instructor to adequately supervise the flight, which included ensuring that the student maintained the proper airspeed during the attempted go-around.
- [NTSB LAX98LA193](https://openairdocs.org/ntsb/LAX98LA193.md): Saab-Scania 91B · Redding, CA · Accident · No injuries · Limited investigation · Final report · Jun 8, 1998 · N6370L · Substantial damage
  > The failure of the pilot to maintain control of the aircraft during an aborted takeoff, which resulted in a ground loop. A factor is the pilot's improper use of carburetor heat during takeoff.

Next page: https://openairdocs.org/ntsb.md?occurrence=354&page=8

## 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" = 354)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=354&page=7

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