# 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 11 of 24 · 1,176 cases

## Cases, newest first

- [NTSB CHI94LA183](https://openairdocs.org/ntsb/CHI94LA183.md): Cessna 150L · Bolivar, MO · Accident · Serious injuries · Limited investigation · Final report · May 31, 1994 · N11286 · Substantial damage
  > The partial blockage of the carburetor's induction air opening by a plastic bag.
- [NTSB FTW94LA184](https://openairdocs.org/ntsb/FTW94LA184.md): Lockheed P-38 · Breckenridge, TX · Accident · Minor injuries · Limited investigation · Final report · May 28, 1994 · N38LL · Substantial damage
  > The fuel starvation induced loss of power due to improper positioning of the fuel selector. Factors were the pilot's lack of experience in the type airplane, and the lack of suitable terrain for the forced landing.
- [NTSB SEA94LA127](https://openairdocs.org/ntsb/SEA94LA127.md): Grumman G-164B · Princeton, ID · Accident · Minor injuries · Limited investigation · Final report · May 21, 1994 · N50WS · Destroyed
  > Inadvertent retarding of throttle by pilot. Factors include trees.
- [NTSB MIA94LA137](https://openairdocs.org/ntsb/MIA94LA137.md): Richmond Rotorway Executive · Ormond Beach, FL · Accident · Serious injuries · Limited investigation · Final report · May 13, 1994 · N520PR · Substantial damage
  > The pilot in command's improper autorotation following partial loss of engine power which resulted in an inflight collision with a fence prior to ground touchdown.
- [NTSB FTW94LA147](https://openairdocs.org/ntsb/FTW94LA147.md): Hiller UH-12B · Crystal Beach, TX · Accident · No injuries · Limited investigation · Final report · May 8, 1994 · N6417V · Substantial damage
  > The pilot's improper autorotation touchdown, which rsulted in the hard landing. A factor was the power loss due to water contaminated fuel.
- [NTSB ATL94IA092](https://openairdocs.org/ntsb/ATL94IA092.md): Saab-Scania S340B · Nashville, TN · Incident · No injuries · Incident investigation · Final report · May 3, 1994 · N245AE · No damage
  > Engine ice/slush ingestion that resulted in power interruptions and failure of the air data computer coupled with moisture ingestion of the static system. Factors were the failure of the manufacturer to correct a previously identified design deficiency that…
- [NTSB BFO94LA079](https://openairdocs.org/ntsb/BFO94LA079.md): Pitts S2B · Williamstown, NJ · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 1994 · N93AN · Substantial damage
  > the pilot's failure to accurately determine the fuel supply, which resulted in fuel exhaustion and a subsequent forced landing.
- [NTSB BFO94LA076](https://openairdocs.org/ntsb/BFO94LA076.md): Piper PA-28-160 · New Carlisle, OH · Accident · No injuries · Limited investigation · Final report · Apr 24, 1994 · N5855W · Substantial damage
  > The pilot's inattention to the mixture control which was inadvertently placed in the idle cut-off position by the passenger and resulted in a loss of engine power. A factor is the pilot's inadequate planning.
- [NTSB LAX94LA191](https://openairdocs.org/ntsb/LAX94LA191.md): Cessna 150M · Mt Home Village, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 1994 · N9276U · Substantial damage
  > A loss of engine power due to undetermined reasons. The failure of the student pilot to properly plan his airport traffic pattern to reach the runway or other suitable forced landing area in the event of a loss of engine power was a factor in the accident.
- [NTSB CHI94DER01](https://openairdocs.org/ntsb/CHI94DER01.md): Johnson Avid Flyer Mark IV · New Richmond, WI · Accident · Minor injuries · Final report · Apr 17, 1994 · N312RJ · Substantial damage
  > Carburetor ice, and the owner/builder's inadequate airplane/equipment design, in that there was no carburetor heat/control installed in the airplane. Factors related to the accident were: the weather (carburetor icing conditions), and obstacles (trees) in the…
- [NTSB SEA94LA101](https://openairdocs.org/ntsb/SEA94LA101.md): Asher RV-6 · Enterprise, OR · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 1994 · N7057G · Substantial damage
  > A loss of power due to a partially blocked induction air filter. Factors include no suitable terrain on which to execute a forced landing.
- [NTSB LAX94LA188](https://openairdocs.org/ntsb/LAX94LA188.md): Bell 47G-2 · Willcox, AZ · Accident · No injuries · Limited investigation · Final report · Apr 13, 1994 · N5827U · Substantial damage
  > Engine power loss due to fuel contamination as a result of inadequate inspection of the fuel and fuel system.
- [NTSB MIA94LA108](https://openairdocs.org/ntsb/MIA94LA108.md): Cessna 170 · Olive Branch, MS · Accident · No injuries · Limited investigation · Final report · Mar 29, 1994 · N2509V · Substantial damage
  > Failure of the pilot-in-command to apply carburetor heat before reducing engine power to descend resulting in the partial loss of engine power due to carburetor ice. Contributing to the accident was the unsuitable terrain encountered during the forced landing…
- [NTSB SEA94LA086](https://openairdocs.org/ntsb/SEA94LA086.md): Cessna 182G · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Mar 18, 1994 · N2399R · Destroyed
  > The loss of engine power for undetermined reasons. The intentional ground loop and the fence were factors in the accident.
- [NTSB NYC94FA064](https://openairdocs.org/ntsb/NYC94FA064.md): Swearingen SA-26AT · Winchester, VA · Accident · 1 fatal · Field investigation · Final report · Mar 18, 1994 · N20PT · Destroyed
  > The pilot's decision to operate the airplane with known deficiencies in the fuel quantity measuring system which resulted in a power loss due to fuel starvation, followed by improper emergency procedures which resulted in a loss of control inflight and…
- [NTSB CHI94LA105](https://openairdocs.org/ntsb/CHI94LA105.md): Piper PA-22-108 · Lebanon, IN · Accident · Minor injuries · Limited investigation · Final report · Mar 12, 1994 · N5135Z · Substantial damage
  > Inadequate preflight preparation by the pilot-in-command. Factors were fuel system contamination and an unsuitable terrain encountered by the pilot-in-command during a forced landing.
- [NTSB NYC94LA057](https://openairdocs.org/ntsb/NYC94LA057.md): Piper PA-32-260 · Beckley, WV · Accident · Serious injuries · Limited investigation · Final report · Mar 11, 1994 · N3817W · Substantial damage
  > A loss of engine power due to fuel contamination, while operating over unsuitable terrain, after the pilot failed to remove all the water from the tank prior to departure. A factor was the pilot's decision to operate the airplane with a known leaking fuel cap.
- [NTSB CHI94LA100](https://openairdocs.org/ntsb/CHI94LA100.md): Cessna 152 · Eugene, MO · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 1994 · N93679 · Substantial damage
  > improper use of carbureter heat and a poorly planned precautionary landing approach. Factors related to the accident were carburetor icing conditions, the pilot's lack of total experience, trees and anxiety/apprehension.
- [NTSB LAX94IA145](https://openairdocs.org/ntsb/LAX94IA145.md): Aerospatiale AS-350D · Huelo, HI · Incident · No injuries · Incident investigation · Final report · Feb 28, 1994 · N5771L · Minor damage
  > The operator maintenance personnel's inadequate 100-hour inspection. The loose fuel control line fitting, the tree stump, and the unsuitable terrain were factors in this accident.
- [NTSB BFO94LA051](https://openairdocs.org/ntsb/BFO94LA051.md): Cessna 152 · Bath, OH · Accident · No injuries · Limited investigation · Final report · Feb 28, 1994 · N47316 · Substantial damage
  > loss of engine power for undetermined reasons. A factor in the accident was the frozen, snow covered terrain.
- [NTSB SEA94LA067](https://openairdocs.org/ntsb/SEA94LA067.md): Cessna 150 · Clarkston, WA · Accident · No injuries · Limited investigation · Final report · Feb 27, 1994 · N50765 · Substantial damage
  > The pilot in command's inadequate use of carburetor heat. Factor(s) were: carburetor icing weather conditions and rough terrain.
- [NTSB LAX94FA130](https://openairdocs.org/ntsb/LAX94FA130.md): Sikorsky S-58T · Walnut Creek, CA · Accident · 3 fatal · Field investigation · Final report · Feb 21, 1994 · N581BG · Destroyed
  > Inadequate fuel quality control procedures by the helicopter operator resulting in fuel contamination and a loss of engine power. The pilot's decision to extend the autorotative glide to avoid striking residential homes, which resulted in low main rotor rpm…
- [NTSB BFO94FA043](https://openairdocs.org/ntsb/BFO94FA043.md): Beech C35 · Rockville, MD · Accident · Serious injuries · Field investigation · Final report · Feb 19, 1994 · N5962C · Destroyed
  > The pilot's inadequate aircraft preflight inspection which resulted in a loss of engine power due to fuel contamination.
- [NTSB FTW94LA083](https://openairdocs.org/ntsb/FTW94LA083.md): Cessna 172N · Georgetown, AR · Accident · No injuries · Limited investigation · Final report · Feb 16, 1994 · N737ZY · Substantial damage
  > A carburetor icing induced power loss due to the pilot's improper use of carburetor heat in conditions conducive to carburetor icing. A factor was the lack of suitable terrain onto which a forced landing could be executed.
- [NTSB LAX94LA119](https://openairdocs.org/ntsb/LAX94LA119.md): Cessna T188C · Winton, CA · Accident · No injuries · Limited investigation · Final report · Feb 10, 1994 · N2086J · Destroyed
  > a partial loss of engine power in the takeoff initial climb due to fuel system contamination, and the pilot's inadequate preflight inspection of the aircraft.
- [NTSB LAX94LA112](https://openairdocs.org/ntsb/LAX94LA112.md): Cessna T210L · Arcata, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 4, 1994 · N93159 · Substantial damage
  > fuel starvation resulting from the pilot's improper in-flight planning and his failure to correctly monitor the aircraft's fuel system and to position the selector valve on a tank containing fuel.
- [NTSB FTW94LA081](https://openairdocs.org/ntsb/FTW94LA081.md): Cannon Starduster II · Brazoria, TX · Accident · No injuries · Limited investigation · Final report · Feb 3, 1994 · N21RC · Substantial damage
  > The pilot's improper flare technique during the forced landing. A factor was the fuel contamination induced partial power loss.
- [NTSB FTW94FA074](https://openairdocs.org/ntsb/FTW94FA074.md): Aeronca 7AC · Tulsa, OK · Accident · 1 fatal · Field investigation · Final report · Jan 25, 1994 · N84212 · Substantial damage
  > Was the inadvertent stall. Factors were the pilots failure to use carburetor heat when weather conditions existed that were conducive to carburetor icing, and his abrupt maneuver to avoid a light pole.
- [NTSB BFO94LA025](https://openairdocs.org/ntsb/BFO94LA025.md): Beech 33 · Poughkeepsie, NY · Accident · No injuries · Limited investigation · Final report · Jan 16, 1994 · N930T · Substantial damage
  > The partial loss of engine power due to undetermined reasons. Related to the accident was the lack of suitable terrain to complete a successful forced landing.
- [NTSB BFO94LA024](https://openairdocs.org/ntsb/BFO94LA024.md): Cessna P210N · New Castle, DE · Accident · Serious injuries · Limited investigation · Final report · Jan 15, 1994 · N5088W · Substantial damage
  > Loss of partial engine power due to undetermined reasons.
- [NTSB CHI94LA061](https://openairdocs.org/ntsb/CHI94LA061.md): Mooney M20F · Dekalb, IL · Accident · Minor injuries · Limited investigation · Final report · Jan 11, 1994 · N6323Q · Substantial damage
  > was an aborted takeoff not performed by the pilot-in-command. Factors related to the accident were the partial power loss for undetermined reasons and the continued operation of the airplane with a deficiency.
- [NTSB LAX94LA074](https://openairdocs.org/ntsb/LAX94LA074.md): Piper PA-23-250 · Showlow, AZ · Accident · Minor injuries · Limited investigation · Final report · Dec 17, 1993 · N8769B · Substantial damage
  > the pilot's poorly planned approach, improper emergency procedures, and his failure to feather the propeller. The inoperative fuel selector valve was a factor in this accident.
- [NTSB NYC94LA037](https://openairdocs.org/ntsb/NYC94LA037.md): Cessna 152 · Christianburg, VA · Accident · No injuries · Limited investigation · Final report · Dec 9, 1993 · N49215 · Substantial damage
  > The pilot's improper use of carburetor heat which prevented the accumulation of carburetor ice and resulted in the loss of engine power. A factor was unsuitable terrain.
- [NTSB ANC94LA019](https://openairdocs.org/ntsb/ANC94LA019.md): Cessna 206 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Nov 20, 1993 · N7586Z · Substantial damage
  > The frozen throttle cable due to moisture.
- [NTSB LAX94LA042](https://openairdocs.org/ntsb/LAX94LA042.md): Cooprider WOODY'S Pusher 1972 · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Nov 13, 1993 · N29717 · Substantial damage
  > a delay in the application of carburetor heat by the pilot-in- command. Carburetor icing conditions were a factor in this accident.
- [NTSB MIA94FA020](https://openairdocs.org/ntsb/MIA94FA020.md): Piper PA-31-350 · Orlando, FL · Accident · 1 fatal · Field investigation · Final report · Nov 12, 1993 · N27687 · Destroyed
  > Was in flight loss of control for failure of the pilot-in-command to maintain VMC shortly after takeoff. Contributing to the accident was partial loss of engine power from the left engine due to partial blockage of several of the fuel injector nozzles. Also…
- [NTSB LAX94LA021](https://openairdocs.org/ntsb/LAX94LA021.md): Beech 76 · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Oct 22, 1993 · N5148M · Substantial damage
  > the flight instructor's failure to adequately supervise the flight, follow proper procedures/directives regarding leaning and clearing the idling engine, and his delay in applying power to the idling engine. The fouled spark plugs were a factor in this…
- [NTSB LAX94LA015](https://openairdocs.org/ntsb/LAX94LA015.md): Taylorcraft BC12-D · Yuma, AZ · Accident · 1 fatal · Limited investigation · Final report · Oct 16, 1993 · N94981 · Destroyed
  > a failure of the pilot-in-command to maintain adequate airspeed and subsequent inadvertent stall while maneuvering the airplane. Contamination of the fuel in the carburetor that produced a partial power loss was a factor in the accident.
- [NTSB LAX94LA001](https://openairdocs.org/ntsb/LAX94LA001.md): Cessna O-2A · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Oct 1, 1993 · N5151A · Substantial damage
  > was the partial loss of engine power during initial climb due to partial clogging of the engine's fuel injectors. Blockage of the fuel injectors was due to inadequate maintenance of the fuel system by contract maintenance personnel.
- [NTSB LAX93LA367](https://openairdocs.org/ntsb/LAX93LA367.md): Robinson R-22 Beta · Livermore, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1993 · N2407X · Substantial damage
  > A partial engine power loss that resulted in a hard landing due to the engine primer system becoming unlocked.
- [NTSB ANC93LA178](https://openairdocs.org/ntsb/ANC93LA178.md): Piper PA-18-150 · Prudhoe Bay, AK · Accident · No injuries · Limited investigation · Final report · Sep 13, 1993 · N3996Z · Substantial damage
  > Fluid fuel contamination as a result of the pilot-in-commands improper preflight planning/preparation.
- [NTSB ANC93FA173](https://openairdocs.org/ntsb/ANC93FA173.md): Cessna 180 · Cooper Landing, AK · Accident · Serious injuries · Field investigation · Final report · Sep 11, 1993 · N7541K · Substantial damage
  > The separation of the throttle arm from the thorttle shaft, the failure of the maintenance personnel to comply with the airworthiness directive, and the company management's failure to adequately ensure compliance with the airworthiness directives.
- [NTSB ATL93FA155](https://openairdocs.org/ntsb/ATL93FA155.md): Beech F35 · Jackson, TN · Accident · 2 fatal · Field investigation · Final report · Sep 10, 1993 · N3886B · Substantial damage
  > The improper use of old auto fuel for the refueling of the aircraft. Factors in the accident were the deterioration of the octane in the auto fuel being used in the aircraft and the delayed decision by the pilot to choose a suitable area and execute a forced…
- [NTSB CHI93LA344](https://openairdocs.org/ntsb/CHI93LA344.md): Beech 19A · Troy, MO · Accident · No injuries · Limited investigation · Final report · Aug 28, 1993 · N6130N · Substantial damage
  > The pilot's use of improper fuel in the airplane. Wet turf on the runway was a related factor.
- [NTSB CHI93LA340](https://openairdocs.org/ntsb/CHI93LA340.md): Robinson R22 · Bethalto, IL · Accident · No injuries · Limited investigation · Final report · Aug 27, 1993 · N9071S · Substantial damage
  > the pilot-in-command's not maintaining rotor RPM.
- [NTSB MIA93FA182](https://openairdocs.org/ntsb/MIA93FA182.md): Cessna T337G · Ormond Beach, FL · Accident · 1 fatal · Field investigation · Final report · Aug 23, 1993 · N5CP · Destroyed
  > Water contamination in the fuel, which resulted in loss of power in the front engine as the pilot was attempting flight with a known problem in the rear engine, and failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall.…
- [NTSB CHI93LA297](https://openairdocs.org/ntsb/CHI93LA297.md): Beech 95-B55B · Lafayette, IN · Accident · No injuries · Limited investigation · Final report · Aug 8, 1993 · N958MQ · Substantial damage
  > the loss of engine power for reason or reasons undetermined.
- [NTSB CHI93LA309](https://openairdocs.org/ntsb/CHI93LA309.md): Taylorcraft L2B · Friedenberg, MN · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1993 · N3113S · Substantial damage
  > the pilot's decision to fly the airplane with know deficiencies which resulted in a restricted fuel flow to the engine.
- [NTSB CHI93FA296](https://openairdocs.org/ntsb/CHI93FA296.md): Grumman G58A · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Aug 1, 1993 · N3025 · Substantial damage
  > The pilot-in-command's inadvertent use of the mixture resulting in a lean mixture.
- [NTSB CHI93LA306](https://openairdocs.org/ntsb/CHI93LA306.md): Ercoupe 415-C · Liberty, MO · Accident · No injuries · Limited investigation · Final report · Jul 29, 1993 · N2663H · Substantial damage
  > The pilot's failure to maintain adequate aircraft control during the emergency landing. A factor is the pilot's lack of experience in the aircraft.

Next page: https://openairdocs.org/ntsb.md?occurrence=354&page=12

## 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=11

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