# NTSB investigations, IN: 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. ## Latest cases - [NTSB CHI98LA298](https://openairdocs.org/ntsb/CHI98LA298.md): Piper PA28-R-200 · W. Frankfort, IN · Accident · No injuries · Limited investigation · Final report · Aug 3, 1998 · N4596T · Substantial damage > The failure of the fuel mixture control linkage, and inadequate inspections by maintenance personnel. - [NTSB CHI97FA093](https://openairdocs.org/ntsb/CHI97FA093.md): Stinson 108 · Greenfield, IN · Accident · 1 fatal · Field investigation · Final report · Mar 27, 1997 · N97120 · Destroyed > a loss of engine power due to restricted movement in the exhaust valve and rotted/weathered ignition harness, and the pilot's failure to maintain airspeed which resulted in an inadvertant stall. - [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 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 CHI95FA148](https://openairdocs.org/ntsb/CHI95FA148.md): Cessna 177B · Nappanee, IN · Accident · 1 fatal · Field investigation · Final report · May 7, 1995 · N11372 · Destroyed > airplane control was not maintained by the pilot during the his turn to an emergency landing area. Factors associated with this accident were the pilot not complying with the manufacturer's mandatory service bulletin, and an excessive fuel flow caused by the… - [NTSB CHI95LA145](https://openairdocs.org/ntsb/CHI95LA145.md): Franklin EAA BI-PLANE/P1 · Rockville, IN · Accident · Minor injuries · Limited investigation · Final report · May 2, 1995 · N3428 · Substantial damage > the pilot's improper maintenance installation and his inadvertent takeoff. A factor was the pilot's inadequate pre-flight planning. - [NTSB CHI94LA242](https://openairdocs.org/ntsb/CHI94LA242.md): Grumman FM-2 · Woodburn, IN · Accident · No injuries · Limited investigation · Final report · Jul 22, 1994 · L1PP · Substantial damage > the total failure of the throttle linkage arm. - [NTSB CHI93LA359](https://openairdocs.org/ntsb/CHI93LA359.md): Cessna 172F · Indianapolis, IN · Accident · No injuries · Limited investigation · Final report · Sep 12, 1993 · N5678R · Substantial damage > The failure of the left magneto, which resulted in a partial loss of engine power. - [NTSB CHI89DEX06](https://openairdocs.org/ntsb/CHI89DEX06.md): Grumman G-164A · Sullivan, IN · Accident · No injuries · Final report · Aug 2, 1989 · N952X · Substantial damage > A failure of the supercharger oil seal which resulted in a partial loss of engine power during takeoff and the uncontrolled touchdown during the forced landing. Factors related to the accident were: partial failure of the supercharger and spark plub fowling. - [NTSB CHI89LA146](https://openairdocs.org/ntsb/CHI89LA146.md): Piper PA-32R-300 · Nappanee, IN · Accident · No injuries · Limited investigation · Final report · Jul 27, 1989 · N3923F · Substantial damage > The pilot-in-command's improper preflight calculation of weight and balance and the aircraft's inadequate climb capability due to low compression. - [NTSB CHI89FA036](https://openairdocs.org/ntsb/CHI89FA036.md): Beech B23 · Jeffersonville, IN · Accident · 4 fatal · Field investigation · Final report · Dec 26, 1988 · N6100N · Destroyed > Pilot-in-command's poor inflight decision in attempting to return to the airport after a partial engine failure, and his encountering a stall/spin at low altitude from which he was unable to recover. - [NTSB CHI88DET04](https://openairdocs.org/ntsb/CHI88DET04.md): Cessna A188B · Preu, IN · Accident · No injuries · Final report · Aug 7, 1988 · N5550G · Substantial damage > Aerial applicator experienced total failure of throttle cable during application swath run. Aircraft received substantial damage when pilot executed forced landing in adjacent crop field. Aircraft and engine had received annual inspection 125 hours prior to… - [NTSB CHI88DEX07](https://openairdocs.org/ntsb/CHI88DEX07.md): Cessna 175A · Bloomington, IN · Accident · Minor injuries · Final report · Jul 8, 1988 · N8059T · Substantial damage > Aircraft experienced partial loss of engine power at 150 feet AGL after takeoff. Pilot made 180 degree turn in attempt to return to airport, but experienced further power loss and elected to make emergency landing in field. Right wingtip hit tree, and… - [NTSB CHI88DEX05](https://openairdocs.org/ntsb/CHI88DEX05.md): Beech V35A · Seymour, IN · Accident · No injuries · Final report · Jun 23, 1988 · N7892R · Substantial damage > Aircraft was in cruise flight at 6500 feet when engine began to run rough. Pilot navigated to nearest airport and made intentional gear-up landing with cruise power. Postcrash investigation revealed number 2 exhaust valve had failed and become wedged between… - [NTSB CHI88DEX04](https://openairdocs.org/ntsb/CHI88DEX04.md): Cessna 172M · Alexandria, IN · Accident · No injuries · Final report · Apr 25, 1988 · N80269 · Substantial damage > Aircraft experienced intermittent engine operation while on final, followed by complete engine failure on landing rollout. Pilot noticed smoke entering cockpit during restart attempt. Aircraft was evacuated by pilot and three passengers. There was an engine… - [NTSB CHI87FA058](https://openairdocs.org/ntsb/CHI87FA058.md): Piper PA-31T · Merrillville, IN · Accident · 1 fatal · Field investigation · Final report · Dec 30, 1986 · N74NL · Destroyed > The acft was enroute to the chicago midway arpt. While letting down to 16000 ft the pilot reported he was shutting down the right eng. ARTCC cleared the acft to 5000 ft. ten minutes later ARTCC lost radio transponder and mode c contact. 15 minutes later the… - [NTSB CHI86FA077](https://openairdocs.org/ntsb/CHI86FA077.md): Mooney M20C · Loogootee, IN · Accident · 2 fatal · Field investigation · Final report · Jan 27, 1986 · N9307V · Destroyed > Plt experienced loss of pwr during cruise flt at 6,000 feet. ATC vectored acft toward daviess county arpt, approximately 10 miles away. Plt reported acft on fire. Witnesses saw N9307V in a left bank turn then 'nose dive into ground.' Post crash exam of engine… - [NTSB CHI85FET03](https://openairdocs.org/ntsb/CHI85FET03.md): Vanbenthuysen John Bede BD-5B · Elkhart, IN · Accident · 1 fatal · Final report · Sep 14, 1985 · N23105 · Substantial damage > The acft rolled inverted & collided with the ground after an overtemperature reading, an RPM loss and loss of airspeed were recognized by the plt during the recording of the takeoff. The plt had a portable recorder on board and was using it during the… - [NTSB CHI85FEX02](https://openairdocs.org/ntsb/CHI85FEX02.md): Cessna 310C · Greenfield, IN · Accident · Serious injuries · Final report · Jun 9, 1985 · N1773H · Substantial damage > While en route, the l eng suddenly lost power & would not restart, so the plt feathered the l prop. After letting it cool aprx 5 min, he tried restarting it again, but still was unable. He stated he thought he then secured (feathered) the l eng. The plt… - [NTSB CHI85LA110](https://openairdocs.org/ntsb/CHI85LA110.md): Brantly Helicopter B-2 · Huntingburg, IN · Accident · No injuries · Limited investigation · Final report · Feb 18, 1985 · N511R · Substantial damage > The acft experienced a partial power loss and made a hard autorotative lndg during a training flt. Investigation of the eng revealed mistiming of the left mag. The eng during tests also ran hot until the addition of a cooling shroud. The other significant… - [NTSB CHI85LA040](https://openairdocs.org/ntsb/CHI85LA040.md): Cessna 150M · Wyatt, IN · Accident · No injuries · Limited investigation · Final report · Nov 3, 1984 · N704GX · Substantial damage > While practicing ground reference maneuvers at 800 ft AGL the engine power dropped from 2,500 to 1,500 RPM. During the forced landing rollout the nose gear collapsed when it contacted a dirt bank. Investigation revealed that the throttle control rod end bolt… - [NTSB CHI83LA005](https://openairdocs.org/ntsb/CHI83LA005.md): Grumman AA-1C · Madison, IN · Accident · No injuries · Limited investigation · Final report · Oct 4, 1982 · N8055W · Substantial damage > After takeoff from a touch & go the eng lost power. The #1 cyl upper plug lead nut had backed off & the lead was found resting in the plug. The #2 & #4 cyl upper plug lead nuts had backed off & both leads were not in the spark plugs but were resting on the… ## 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" = 'IN' 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" = 352) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=352&state=IN --- 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.