# NTSB investigations, TN: 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 ATL05FA032](https://openairdocs.org/ntsb/ATL05FA032.md): Cessna 421B · Apison, TN · Accident · 5 fatal · Field investigation · Final report · Dec 2, 2004 · N421SD · Destroyed > The pilot's improper identification of a partial loss of engine power on initial takeoff climb resulting in a collision with trees and the ground. A factor was a partial failure of the left engine starter adapter due to overload. - [NTSB ATL00LA046](https://openairdocs.org/ntsb/ATL00LA046.md): Air Tractor AT-401-B · Lawrenceburg, TN · Accident · No injuries · Limited investigation · Final report · Apr 22, 2000 · N6096P · Substantial damage > The loss of engine power due to a stuck exhaust valve that resulted in the collision with a tree while maneuvering for the forced landing. - [NTSB MIA98LA130](https://openairdocs.org/ntsb/MIA98LA130.md): Starck Auriga · Collegedale, TN · Accident · 1 fatal · Limited investigation · Final report · Apr 11, 1998 · N311RS · Destroyed > A leak in the electric fuel boost pump caused by an improperly sized 'O' ring installation and the pilot's failure to maintain airspeed during an approach to a forced landing resulting in a stall. - [NTSB MIA97LA006](https://openairdocs.org/ntsb/MIA97LA006.md): Cessna 150F · Lexington, TN · Accident · Serious injuries · Limited investigation · Final report · Oct 19, 1996 · N7102F · Substantial damage > failure of the pilot to abort the takeoff after encountering excessive ground roll, and failure (or inability) of the pilot to obtain/maintain adequate airspeed, which resulted in an inadvertent stall. Factors relating to the accident were: restricted… - [NTSB MIA95FA200](https://openairdocs.org/ntsb/MIA95FA200.md): Piper PA-28-140 · Pulaski, TN · Accident · 2 fatal · Field investigation · Final report · Aug 11, 1995 · N32420 · Destroyed > Failure of the pilot to perform the before-takeoff checklist, and his failure to abort the takeoff due to inadequate acceleration. Contributing to the accident was an inadequate annual inspection by maintenance personnel for failure to safety the carburetor… - [NTSB ATL90LA151](https://openairdocs.org/ntsb/ATL90LA151.md): Cessna 172B · Midway, TN · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 1990 · N8091X · Substantial damage > Total failure of the number four exhaust valve, resulting in engine power loss and the subsequent forced landing of the airplane. - [NTSB ATL89LA162](https://openairdocs.org/ntsb/ATL89LA162.md): Cessna 150M · Knoxville, TN · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1989 · N714SR · Substantial damage > The pilot's failure to recognize that the engine was not developing full power and the delay in performing remedial action until it was too late to stop the airplane on the runway. - [NTSB ATL89LA159](https://openairdocs.org/ntsb/ATL89LA159.md): Cessna 152 · Jackson, TN · Accident · No injuries · Limited investigation · Final report · Jun 13, 1989 · N24451 · Substantial damage > The separation of the mixture cable from the carburetor. Contributing factor(s) was: inadequate maintenance and inspection of the airplane and the soft terrain encountered during the forced landing. - [NTSB ATL88LA252](https://openairdocs.org/ntsb/ATL88LA252.md): Piper PA-12 · Covington, TN · Accident · Minor injuries · Limited investigation · Final report · Sep 15, 1988 · N2833M · Substantial damage > The plt reported that the engine suddenly began to run rough and backfire during a pipeline patrol flight at 300 ft AGL. The roughness worsened and the plt made a forced ldg on a dirt road. During rollout, one of the wings caught vegetation bordering the road… - [NTSB ATL88LA216](https://openairdocs.org/ntsb/ATL88LA216.md): Cessna 172L · Michie, TN · Accident · Serious injuries · Limited investigation · Final report · Jul 14, 1988 · N19632 · Substantial damage > Witness reported that the airplane engine was running rough during takeoff; the airplane subsequently disappeared from sight in a nose-down attitude. The plt later reported that he could not remember the events that led up to the power loss. Post-crash exam… - [NTSB ATL84FA277](https://openairdocs.org/ntsb/ATL84FA277.md): Bell 222 · Knoxville, TN · Accident · Serious injuries · Field investigation · Final report · Sep 1, 1984 · N22299 · Destroyed > The helicopter was in a hover when a rt pedal turn was initiated and a climb attempted. Plt stated, 'I was unable to climb, and the aircraft began to lose rotor RPM. I increased power to 100% mrtq. The acft was settling.' Unable to sustain flt, a landing was… - [NTSB ATL84FA251](https://openairdocs.org/ntsb/ATL84FA251.md): Douglas DC3C-S1C3G · Memphis, TN · Accident · 3 fatal · Field investigation · Final report · Aug 11, 1984 · N70003 · Destroyed > Moments after the DC-3 took off, the twr ctlr noted the l eng was torching & asked the flt if it was 'having a problem.'the crew replied 'affirmative,' then the ctlr clrd the flt to lnd on any rwy. The acft began turning left at the end of the rwy & contd… - [NTSB ATL84IA246](https://openairdocs.org/ntsb/ATL84IA246.md): Mcdonnell Douglas DC-9-30 · Nashville, TN · Incident · No injuries · Incident investigation · Final report · Aug 6, 1984 · N956VJ · Minor damage > During the climb-out, a 15% decrease in the right eng epr was noted by the flt crew. This was followed by a loud bang & failure of the #2 eng. The #2 eng was shut down & the acft was flown back to the departure arpt. An initial exam revealed that the right… - [NTSB ATL83FA312](https://openairdocs.org/ntsb/ATL83FA312.md): Sikorsky S-58D · Gatlingurg, TN · Accident · No injuries · Field investigation · Final report · Aug 6, 1983 · N6488 · Substantial damage > The helicopter collided with terrain on a wooded mountainside after liftoff. The plt said a power loss occurred after itwas to late to abort. Takeoff was made from a lot that was 5200 ft MSL. The plt hover-checked at 2500 RPM and 39.5 inches of manifold… ## 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" = 'TN' 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=TN --- 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.