# 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 16 of 24 · 1,176 cases

## Cases, newest first

- [NTSB ATL89LA209](https://openairdocs.org/ntsb/ATL89LA209.md): Piper PA-28-140 · Rowland, NC · Accident · No injuries · Limited investigation · Final report · Sep 8, 1989 · N4386J · Substantial damage
  > The pilot's failure to recognize and prevent carburetor icing prior to take off.
- [NTSB LAX89FA296](https://openairdocs.org/ntsb/LAX89FA296.md): Grumman AA-5B · California City, CA · Accident · 1 fatal · Field investigation · Final report · Sep 6, 1989 · N28493 · Destroyed
  > Failure of the student pilot to maintain a proper airspeed while maneuvering for an emergency landing. Factors in the accident were the partial engine power loss, which was due to improper maintenance procedures, the student pilot's inexperience, the strong…
- [NTSB FTW89DPA04](https://openairdocs.org/ntsb/FTW89DPA04.md): North American F-51 · Denton, TX · Accident · 1 fatal · Final report · Sep 6, 1989 · N51VP · Destroyed
  > The pilot's failure to detect water in the fuel system during the preflight which subsequently resulted in a loss of power.
- [NTSB MKC89FA194](https://openairdocs.org/ntsb/MKC89FA194.md): Cessna 206A · Lees Summit, MO · Accident · Serious injuries · Field investigation · Final report · Sep 2, 1989 · N8705Z · Destroyed
  > Engine partial power loss due to water in the aircraft fuel system, and an inadequate preflight.
- [NTSB MKC89LA185](https://openairdocs.org/ntsb/MKC89LA185.md): Piper PA-32-260 · Leon, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 22, 1989 · N8AG · Substantial damage
  > Blockage of the engine air induction system by a field mouse nest. The nest was positioned so that it could not be seen during the pre-flight inspection. It became dislodged during the takeoff roll on the rough runway.
- [NTSB ANC89FA143](https://openairdocs.org/ntsb/ANC89FA143.md): Piper PA-19 · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Aug 19, 1989 · N5417H · Substantial damage
  > Operation with a known deficiency in the aircraft and water contamination of the fuel due to inadequate preflight preparation by the pilot. Factors related to the accident were: lack of suitable terrain for a forced landing and tree(s).
- [NTSB CHI89LA171](https://openairdocs.org/ntsb/CHI89LA171.md): Cessna 172H · Lake Village, IN · Accident · No injuries · Limited investigation · Final report · Aug 15, 1989 · N2484L · Substantial damage
  > Water contamination in the fuel/fuel system and inadequate preflight by the pilot. Soft terrain in the emergency landing area was a contributing factor.
- [NTSB MIA89LA218](https://openairdocs.org/ntsb/MIA89LA218.md): Cessna 402C · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Aug 12, 1989 · N5851C · Substantial damage
  > The failure of the pilot to position the auxiliary pump to low for takeoff, compunded by improper procuderes used during the resultant in-flight emergency.
- [NTSB CHI89DEM06](https://openairdocs.org/ntsb/CHI89DEM06.md): Cessna 152 · Manistee, MI · Accident · No injuries · Final report · Aug 8, 1989 · N96863 · Substantial damage
  > The partial loss of power during initial climbout, and the aircraft's subsequent nose over during the forced landing roll.
- [NTSB DEN89LA187](https://openairdocs.org/ntsb/DEN89LA187.md): Cessna 172M · Ruidoso, NM · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1989 · N9183H · Destroyed
  > The pilot's improper use of the mixture control and carburetor heat during a takeoff in high density altitude conditions. Contributing to the accident was the high density altitude.
- [NTSB LAX89LA263](https://openairdocs.org/ntsb/LAX89LA263.md): Piper PA-23-180 · Lancaster, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 1989 · N4376P · Substantial damage
  > The pilot's failure to follow established procedures in restarting the engine that drives the hydrualic pump and his failure to follow published emergency landing gear extension procedures. The pilot's decision to shut down an engine and feather the propeller…
- [NTSB CHI89LA163](https://openairdocs.org/ntsb/CHI89LA163.md): Cessna 150J · Putnam, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 1989 · N60263 · Substantial damage
  > Improper use of carburetor heat by the pilot which resulted in reduced power for takeoff. The obstructions (hangar & trees) and weather conditions were contributing factors.
- [NTSB LAX89LA259](https://openairdocs.org/ntsb/LAX89LA259.md): Robinson R22 · Palm Springs, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 1989 · N971JG · Substantial damage
  > The pilot's failure to properly manipulate the throttle control to maintain engine/rotor RPM and his decision to enter an autorotation (forced landing). His eagerness to land and lack of total experience were factors in the accident.
- [NTSB MKC89LA169](https://openairdocs.org/ntsb/MKC89LA169.md): Grumman G-164A · Harviell, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 1989 · N48426 · Substantial damage
  > The pilot's inability to avoid unsuitable terrain during the landing roll after a forced landing. The forced landing was made necessary by a loss of engine power caused by a foreign object restricting the fuel system.
- [NTSB SEA89LA134](https://openairdocs.org/ntsb/SEA89LA134.md): Mirsepasy 3Q2 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 18, 1989 · N38AM · Substantial damage
  > Fuel starvation due to a blocked fuel line which resulted in the pilot having to land on unsuitable terrain.
- [NTSB NYC89LA164](https://openairdocs.org/ntsb/NYC89LA164.md): Piper PA-28-160 · Hammond, NY · Accident · Minor injuries · Limited investigation · Final report · Jul 14, 1989 · N5913W · Substantial damage
  > The pilot's decision to abort the takeoff with insufficient runway remaining. Contributing to the the accident was a wet grass runway and the faulty tachometer which influenced the pilot's decision.
- [NTSB BFO89LA056](https://openairdocs.org/ntsb/BFO89LA056.md): Boeing A75N1 · Bealeton, VA · Accident · No injuries · Limited investigation · Final report · Jul 9, 1989 · N56940 · Destroyed
  > Water in the fuel, which resulted in a momentary loss of power during an inverted low pass, and the pilot's failure to plan the maneuver to allow for appropriate remedial action.
- [NTSB LAX89LA215](https://openairdocs.org/ntsb/LAX89LA215.md): Cessna 182P · Fallbrook, CA · Accident · No injuries · Limited investigation · Final report · Jun 17, 1989 · N6084P · Destroyed
  > Pilot did not follow procedures/directives in as much as he pushed the throttle forward too fast and the engine was not able to respond.
- [NTSB FTW89LA108](https://openairdocs.org/ntsb/FTW89LA108.md): Piper PA-23-250 · Fort Worth, TX · Accident · No injuries · Limited investigation · Final report · Jun 4, 1989 · N4906P · Substantial damage
  > Initially the loss of power on the left engine due to an inadequate preflight by the pilot. A secondary cause was a inadvertent feathering of the wrong propeller by the pilot.
- [NTSB BFO89LA039](https://openairdocs.org/ntsb/BFO89LA039.md): Aircoupe Alon A2A · Sutherland, VA · Accident · Minor injuries · Limited investigation · Final report · Jun 1, 1989 · N5488F · Substantial damage
  > Low output of the magnetos which resulted in the loss of full power during the attempted recovery from a simulated forced landing. The pilot ignored indications of an engine problem during start when the engine was hard to start.
- [NTSB SEA89LA095](https://openairdocs.org/ntsb/SEA89LA095.md): Bell 206B III · Lewiston, ID · Accident · No injuries · Limited investigation · Final report · May 30, 1989 · N2756Y · Substantial damage
  > A loss of engine power for undetermined reasons. A factor in the accident was the lack of suitable terrain for a forced landing.
- [NTSB MKC89LA118](https://openairdocs.org/ntsb/MKC89LA118.md): Beech V35 · Strong, AR · Accident · No injuries · Limited investigation · Final report · May 27, 1989 · N18307 · Substantial damage
  > Engine failure due to fuel starvation.
- [NTSB CHI89LA086](https://openairdocs.org/ntsb/CHI89LA086.md): Porterfield CP-55 · Tecumseh, MI · Accident · No injuries · Limited investigation · Final report · May 11, 1989 · N32340 · Substantial damage
  > Pilot's inadequate preflight operatins, which failed to detect the presence of water contamination in the fuel system, and resulted in the substantial loss of power and subsequent forced landing. The aircraft encountered soft, loose soil during the forced…
- [NTSB CHI89LA085](https://openairdocs.org/ntsb/CHI89LA085.md): Cessna 152 · Flint, MI · Accident · No injuries · Limited investigation · Final report · May 6, 1989 · N25054 · Substantial damage
  > The pilot-in-command's failure to follow proper procedures and directives and his premature decision to initiate an emergency procedure. Contributing factors were the pilot's lack of total experience and his selection of unsuitable terrain for the emergency…
- [NTSB LAX89LA151](https://openairdocs.org/ntsb/LAX89LA151.md): Mooney M20F · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Apr 8, 1989 · N9705M · Substantial damage
  > The failure of the plt to lean the fuel mixture for the high density altitude. Contributing to the accident was the cfi's lack of familiarity with the airplane and engine operating procedures.
- [NTSB FTW89FA075](https://openairdocs.org/ntsb/FTW89FA075.md): Bell 206B · West Cameron · Accident · No injuries · Field investigation · Final report · Apr 5, 1989 · N5004L · Substantial damage
  > Inadequate maintenance/inspection of the aircraft fuel system by company maintenance personnel and fuel contamination, which resulted in a partial loss of engine power. Related factors were: a binding (stuck) fuel filter cap bypass valve and partial failure…
- [NTSB ATL89LA121](https://openairdocs.org/ntsb/ATL89LA121.md): Aero Commander 685 · Southern Pines, NC · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 1989 · N685RB · Substantial damage
  > The pilot's improper use of the mixture controls which resulted in engine roughness and the failure to properly execute the emergency procedure for a rough engine by placing the fuel boost pump switch in the low position.
- [NTSB ATL89LA118](https://openairdocs.org/ntsb/ATL89LA118.md): Piper PA-16 · Danville, GA · Accident · No injuries · Limited investigation · Final report · Mar 29, 1989 · N5368H · Substantial damage
  > The pilot delayed in applying carburetor heat after the engine began to lose power, and his selection of unsuitable terrain for a precautionary-landing site.
- [NTSB ATL89FA114](https://openairdocs.org/ntsb/ATL89FA114.md): Boeing A75N1 · Covington, GA · Accident · Serious injuries · Field investigation · Final report · Mar 26, 1989 · N55530 · Substantial damage
  > Inadequate preflight by the pilot by inadvertently allowing the carburetor heat to be in the 'hot' position for takeoff. The high density altitude and trees were considered to be contributing factors.
- [NTSB FTW89DRA03](https://openairdocs.org/ntsb/FTW89DRA03.md): Benson B-8-M · La Porte, TX · Accident · No injuries · Final report · Mar 25, 1989 · N9763N · Substantial damage
  > Hard landing which occurred as a result of the pilot having to extend his glide over obstacles on short final to the forced landing area. The forced landing was executed as a result of engine performance degradation due to induction icing for which no…
- [NTSB NYC89LA096](https://openairdocs.org/ntsb/NYC89LA096.md): Bell 206B · Harding Twnp, NJ · Accident · No injuries · Limited investigation · Final report · Feb 23, 1989 · N5754J · Substantial damage
  > The pilots attempt to conduct the flight with less than required fuel resulting in loss of engine power and subsequent damage to the helicopter while performing an autorotative landing.
- [NTSB DEN89LA079](https://openairdocs.org/ntsb/DEN89LA079.md): Aeronca 7AC · Wolf Point, MT · Accident · No injuries · Limited investigation · Final report · Feb 22, 1989 · N4627E · Substantial damage
  > The failure of the student pilot to use carburetor heat in a timely manner which resulted in a partial loss of engine power. Contributing to the accident was the inadequate weather evaluation the pilot made after taking off and flying through fog due to his…
- [NTSB ATL89LA091](https://openairdocs.org/ntsb/ATL89LA091.md): Cessna 170B · Cleveland, TN · Accident · No injuries · Limited investigation · Final report · Feb 18, 1989 · N8032A · Substantial damage
  > Flight into known adverse weather by the pilot and his delay in diverting to an alternate airport which led to a partial power loss and an emergency landing. The weather conditions and soft terrain were contributing factors.
- [NTSB ATL89LA073](https://openairdocs.org/ntsb/ATL89LA073.md): Cessna 182P · Hamilton, OH · Accident · No injuries · Limited investigation · Final report · Jan 14, 1989 · N21531 · Substantial damage
  > The pilot's improper use of the carburetor heat control which resulted in a loss of engine power. Contributing to the accident were conditions conducive to carburetor ice.
- [NTSB CHI89DEX03](https://openairdocs.org/ntsb/CHI89DEX03.md): Grumman American AA-1C · Richmond, IN · Accident · No injuries · Final report · Jan 5, 1989 · N39000 · Substantial damage
  > The pilot's attempt to continue the takeoff with a partial loss of power. Contributing to the accident were the carburetor icing conditions.
- [NTSB ATL89LA069](https://openairdocs.org/ntsb/ATL89LA069.md): Boeing E75 · Salisbury, NC · Accident · No injuries · Limited investigation · Final report · Jan 5, 1989 · N52124 · Substantial damage
  > Improper use of carburetor heat by the pilot, which resulted in carburetor ice. Factors related to the accident were: carburetor icing conditions and obstruction(s)/utility pole near the departure end of the runway.
- [NTSB ANC89LA031](https://openairdocs.org/ntsb/ANC89LA031.md): Cessna 207A · Russian Mission, AK · Accident · No injuries · Limited investigation · Final report · Jan 3, 1989 · N7329U · Substantial damage
  > The partial engine power loss due to undetermined reasons. Contributing to the accident was the pilot's improper inflight planning by flying at a traffic pattern altitude insufficient to insure a safe emergency landing either on or off the airport and his…
- [NTSB DEN89LA051](https://openairdocs.org/ntsb/DEN89LA051.md): Beech B24R · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Dec 31, 1988 · N65PW · Substantial damage
  > The non-instrument rated plt rcvd a wx briefing & filed an IFR flt pln. He tkof on rwy 34 at 1517 MST with low ceiling &restricted vis due to fog & lgt snow. The twr ctlr saw the acft lift-off at the rwy's end, then lost sight of it. Soon thereafter, the plt…
- [NTSB MKC89LA047](https://openairdocs.org/ntsb/MKC89LA047.md): Piper PA-28 · Derby, KS · Accident · Minor injuries · Limited investigation · Final report · Dec 28, 1988 · N2213T · Substantial damage
  > Drg an eng run-up before a simulated instrument flt, the crew noticed the carb heat control would only move about 1/2 of its normal travel. The plts discussed the malfunction & ran the eng for another 1 to 2 min until the oil temp gauge indcd a temp rise. Drg…
- [NTSB ANC89LA029](https://openairdocs.org/ntsb/ANC89LA029.md): Cessna 207 · Kivalina, AK · Accident · Minor injuries · Limited investigation · Final report · Dec 28, 1988 · N9651M · Substantial damage
  > The air taxi pilot was on a scheduled cargo flight to a remote village in western Alaska when he reportedly had a partial loss of engine power. He said that he was unable to maintain altitude and made a forced landing on a frozen lake. He is uncertain why the…
- [NTSB LAX89DVM03](https://openairdocs.org/ntsb/LAX89DVM03.md): Beard Varieze · Palo Alto, CA · Accident · 1 fatal · Final report · Dec 13, 1988 · N226RB · Substantial damage
  > The acft crashed 200 ft short of the rwy in a pond and nosed over. Witnesses heard the sounds of low power. Evidence of low/no power was shown by the prop. Investigation revealed that unapproved engine mods were made by pilot/owner. An untested carb heat…
- [NTSB LAX89IA062](https://openairdocs.org/ntsb/LAX89IA062.md): Cessna 152 · Haleiwa, HI · Incident · Minor injuries · Incident investigation · Final report · Dec 11, 1988 · N94825 · Minor damage
  > The aircraft experienced a partial loss of power and collided with the terrain while completing an emergency landing in a sugar cane field. During this particular maneuver the CFI indicated that he was reasonably sure he cleared the engine at least once a few…
- [NTSB ATL89LA050](https://openairdocs.org/ntsb/ATL89LA050.md): Cessna 172 · Lawrenceville, GA · Accident · No injuries · Limited investigation · Final report · Dec 4, 1988 · N5518D · Substantial damage
  > After 3 full stop landings, the pilot reported that the airplane would not accelerate to liftoff airspeed on 4th takeoff after rolling about 2000 feet. The pilot elected to abort the takeoff. The airplane rolled off the departure end of runway 07 and nosed…
- [NTSB MKC89LA028](https://openairdocs.org/ntsb/MKC89LA028.md): Piper PA-12 · Lino Lakes, MN · Accident · No injuries · Limited investigation · Final report · Nov 20, 1988 · N12MZ · Substantial damage
  > Shortly after takeoff and climbing to about 150 AGL, the pilot said the engine began sputtering and losing power. Attempts to correct the situation by pumping the throttle and working the engine primer failed to correct the situation, and shortly thereafter…
- [NTSB MKC89LA030](https://openairdocs.org/ntsb/MKC89LA030.md): Cessna 170A · Mccrory, AR · Accident · No injuries · Limited investigation · Final report · Nov 19, 1988 · N170KM · Substantial damage
  > The student pilot and passenger said after about 10 minutes of local flight, they experienced a partial power loss. An emergency ldg was attempted on a near by rural strip, but the plt said he had excess airspeed and was unable to land successfully. The…
- [NTSB ATL89LA037](https://openairdocs.org/ntsb/ATL89LA037.md): Cessna R172E · Lawrenceville, GA · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 1988 · N96164 · Substantial damage
  > Improper repair and/or modification of the carburetor airbox by unknown person(s), and the subsequent failure of maintenance personnel to detect the improper repair/modification during annual inspection(s), which led to a loss of power due to carburetor…
- [NTSB SEA89LA018](https://openairdocs.org/ntsb/SEA89LA018.md): Robinson R-22 · Port Gamble, WA · Accident · No injuries · Limited investigation · Final report · Nov 12, 1988 · N2460P · Substantial damage
  > Foreign national pilot was obtaining helicopter instruction. On solo flt to practice lndgs in unimproved terrain, touched down on stump with one skid and rolled over. Plt cited temporary pwr loss during approach. Investigation found no engine malfunction.
- [NTSB NYC89LA024](https://openairdocs.org/ntsb/NYC89LA024.md): Cessna 150H · Newstead, NY · Accident · Minor injuries · Limited investigation · Final report · Nov 8, 1988 · N50200 · Substantial damage
  > Landing in unsuitable terrain following a partial power loss carburetor icing.
- [NTSB ATL89LA017](https://openairdocs.org/ntsb/ATL89LA017.md): Piper PA-22-108 · Advance, NC · Accident · Serious injuries · Limited investigation · Final report · Oct 24, 1988 · N5361Z · Substantial damage
  > During takeoff climb eng quit then re-started. PIC turned to the north & engine quit again. PIC stalled acft & crashed into wheat field. Acft had STC for auto gas. Fuel in acft had water & rust contaminants. Fuel lines had dried. Carb had composite float. The…
- [NTSB MKC89LA008](https://openairdocs.org/ntsb/MKC89LA008.md): Davis TRI-Q-200 · Carthage, MO · Accident · No injuries · Limited investigation · Final report · Oct 21, 1988 · N800Q · Substantial damage
  > Drg the 2nd flt of the newly constructed home built acft, the eng began to lose power shortly after takeoff. The plt reentered the pattern for a precautionary landing, but misjudged the apch & had to go around. Drg the next apch, the eng lost power…

Next page: https://openairdocs.org/ntsb.md?occurrence=354&page=17

## 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=16

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