# NTSB investigations, MT: 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. ## Latest cases - [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 SEA93LA090](https://openairdocs.org/ntsb/SEA93LA090.md): Cessna 182M · Hamilton, MT · Accident · Minor injuries · Limited investigation · Final report · Apr 8, 1993 · N71654 · Substantial damage > The pilot's improper use of carburetor heat. A factor which contributed to the accident was the carburetor icing conditions. - [NTSB SEA92LA072](https://openairdocs.org/ntsb/SEA92LA072.md): Piper PA-23-160 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Apr 10, 1992 · N3494P · Substantial damage > Partial blockage of the left engine induction air filter, inability to maintain the proper rate of descent, and delayed extension of the landing gear. Factors contributing to the accident were icing conditions, wing ice, and rough/uneven terrain. - [NTSB SEA92LA017](https://openairdocs.org/ntsb/SEA92LA017.md): Piper PA-24-250 · Belt, MT · Accident · No injuries · Limited investigation · Final report · Nov 14, 1991 · N6072P · Substantial damage > A blocked fuel vent and an inadequate preflight inspection, which resulted in fuel starvation. - [NTSB SEA91LA053](https://openairdocs.org/ntsb/SEA91LA053.md): Beech 95 · Roundup, MT · Accident · No injuries · Limited investigation · Final report · Feb 18, 1991 · N2772Y · Substantial damage > Partial loss of power for undetermined reasons. - [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 DEN88LA031](https://openairdocs.org/ntsb/DEN88LA031.md): Cessna 170B · Conner, MT · Accident · Serious injuries · Limited investigation · Final report · Nov 27, 1987 · N2926D · Substantial damage > On takeoff from a private, grass strip the pilot stated the engine began to lose power at approximately 20 to 30 feet AGL. A ravine was ahead and he attempted to stretch his glide to the FAR side of the ravine; however, the aircraft stalled and crashed into… - [NTSB DEN87LA144](https://openairdocs.org/ntsb/DEN87LA144.md): Cessna 188B · Malta, MT · Accident · No injuries · Limited investigation · Final report · Jun 4, 1987 · N417J · Destroyed > After takeoff on initial climb the acft had a pwr loss which resulted in a forced landing. A hard landing occurred in an open field which sheared off the main landing gear and damaged the airframe. The cause of the pwr loss could not be determined. - [NTSB DEN86LA188](https://openairdocs.org/ntsb/DEN86LA188.md): Piper J-3 · Ashland, MT · Accident · No injuries · Limited investigation · Final report · Jul 4, 1986 · N40660 · Substantial damage > Plt did not possess a plt certificate or medical certificate. The plt stated that he fueled the acft with the 'last gas in the storage tank.' The plt preflighted the acft and took off. Shortly after takeoff the engine lost power. The plt executed a landing in… - [NTSB DEN86LA154](https://openairdocs.org/ntsb/DEN86LA154.md): Piper PA-25-260 · Harve, MT · Accident · No injuries · Limited investigation · Final report · Jun 6, 1986 · N4768Y · Substantial damage > According to the plt, shortly after takeoff the eng lost partial pwr as a result of carb ice, & a forced landing was made. - [NTSB DEN85LA063](https://openairdocs.org/ntsb/DEN85LA063.md): Cessna 150 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Jan 15, 1985 · N1416Q · Substantial damage > On jan 14, 1985, a Cessna 150 nosed over after landing on a highway near Missoula, MT. The pilot stated he lost partial engine power due to carburetor icing conditions encountered enroute from great falls, MT. The pilot and his passenger were not injured. The… - [NTSB DEN83LA202](https://openairdocs.org/ntsb/DEN83LA202.md): Piper PA-11-90 · Babb, MT · Accident · No injuries · Limited investigation · Final report · Aug 29, 1983 · CFGNB · Substantial damage > The pilot said that before takeoff, he fueled the left tank of the aircraft. The right tank was reportedly empty. Five or ten minutes after takeoff the pilot put the acft into a 5 degree left forward slip for about 30 seconds. As soon as the pilot returned… ## 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."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA' 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" = 354) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=354&state=MT --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.