# NTSB investigations: Aero Commander S2R: Loss of engine power(total) - 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 FTW98LA171](https://openairdocs.org/ntsb/FTW98LA171.md): Aero Commander S2R · Cushing, OK · Accident · No injuries · Limited investigation · Final report · Apr 4, 1998 · N8984Q · Substantial damage > The total loss of engine power resulting from a sheared accessory drive due to an undetermined reason. A factor was the lack of suitable terrain for the forced landing. - [NTSB MIA96LA183](https://openairdocs.org/ntsb/MIA96LA183.md): Rockwell S2R · Belzoni, MS · Accident · No injuries · Limited investigation · Final report · Jul 13, 1996 · N3695X · Substantial damage > fatigue failure of the #5 cylinder skirt, which resulted in debris that caused the oil scavenge pump to fail, oil starvation, cam drive seizure, loss of engine power, and a subsequent forced landing in a field of cotton. - [NTSB SEA95LA143](https://openairdocs.org/ntsb/SEA95LA143.md): Aero Commander S2R · Odessa, WA · Accident · No injuries · Limited investigation · Final report · Jul 6, 1995 · N3662X · Substantial damage > Loss of engine power due to a cracked cylinder. - [NTSB LAX94LA327](https://openairdocs.org/ntsb/LAX94LA327.md): Aero Commander S2R · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N8843Q · Substantial damage > the loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area. - [NTSB FTW94LA164](https://openairdocs.org/ntsb/FTW94LA164.md): Aero Commander S2R · Monticello, AR · Accident · No injuries · Limited investigation · Final report · May 17, 1994 · N4080X · Substantial damage > The loss of engine power due to the number 2 cylinder cracking. A factor was the lack of suitable terrain for the forced landing. - [NTSB SEA94LA116](https://openairdocs.org/ntsb/SEA94LA116.md): Aero Commander S2R · Dayton, WA · Accident · No injuries · Limited investigation · Final report · May 7, 1994 · N5646X · Substantial damage > Total failure of the connecting rod. - [NTSB MIA89LA166](https://openairdocs.org/ntsb/MIA89LA166.md): Ayres S2R · Lambert, MS · Accident · Serious injuries · Limited investigation · Final report · May 28, 1989 · N5543X · Destroyed > Failure of the engine impeller. The ditch in the emergency landing area was a related factor. - [NTSB SEA88LA090](https://openairdocs.org/ntsb/SEA88LA090.md): Ayres S2R Thrush · Lind, WA · Accident · No injuries · Limited investigation · Final report · May 10, 1988 · N5660X · Substantial damage > During an aerial application maneuver, a total loss of power occurred due to the number nine cylinder failing. A restart was attempted, but was unsuccessful. The pilot made a forced landing onto a very soft sandy field, where the aircraft nosed over inverted… - [NTSB MKC88LA071](https://openairdocs.org/ntsb/MKC88LA071.md): Rockwell S2-R · Stuttgart, AR · Accident · No injuries · Limited investigation · Final report · Mar 25, 1988 · N5563X · Substantial damage > During a post maintenance test flt, PIC experienced a power loss shortly after lift off. The acft crashed nose low, in a left turn. The engine was thrown clear of the airframe. Post accident inspection of the propeller blades indicated a minimum amount of… - [NTSB MKC86LA162](https://openairdocs.org/ntsb/MKC86LA162.md): Aero Commander S-2R · Dumas, AR · Accident · No injuries · Limited investigation · Final report · Jul 28, 1986 · N5694X · Destroyed > The pilot stated that after takeoff, during initial climb, he heard grinding metal and smelled hot metal before the engine slowed down and seized. After crash landing in a corn field, the pilot further stated, he noticed smoke coming from the engine… - [NTSB MKC86LA121](https://openairdocs.org/ntsb/MKC86LA121.md): Aero Commander S-2R · Pocahontas, AR · Accident · No injuries · Limited investigation · Final report · May 31, 1986 · N8896Q · Substantial damage > The pilot stated that this was his third flight of the morning with a full load of fertilizer. Reportedly, he was in the process of aerial application, when the engine quit. He made a forced landing on a short field road. He further stated that the ground… - [NTSB SEA85LYA01](https://openairdocs.org/ntsb/SEA85LYA01.md): Rockwell S2R · Caldwell, ID · Accident · No injuries · Final report · Aug 4, 1985 · N5511X · Substantial damage > An aero commander S2R had been modified by the installation of an air research TPE-331-43A power plant. During an aerial application flight the pilot heard a loud bang and experienced a loss of power. Investigation revealed the first stage turbine whee, part… - [NTSB MKC85LA151](https://openairdocs.org/ntsb/MKC85LA151.md): Aero Commander S2R · Paragould, AR · Accident · No injuries · Limited investigation · Final report · Jul 3, 1985 · N5543X · Substantial damage > The acft was being used in aerial application of ordram when engine failed. A hard landing resulted during the forced landing in an open fld. Investigation revealed the float needle seat ass'y backed out of the threads in the main body of the carburetor FAR… - [NTSB ATL85LKG04](https://openairdocs.org/ntsb/ATL85LKG04.md): Aero Commander S2R · Leslie, GA · Accident · No injuries · Final report · Apr 10, 1985 · N8834Q · Destroyed > The acft lost power en route to spray crops & crash landed in a wooded area. The acft had flown only 2 miles when the power loss occurred. During the post accident investigation an exam of the powerplant & systems revealed that the supercharger had a loose… - [NTSB FTW83LA404](https://openairdocs.org/ntsb/FTW83LA404.md): Aero Commander S2R · Katy, TX · Accident · No injuries · Limited investigation · Final report · Aug 30, 1983 · N3696X · Substantial damage > The acft was damaged in a forced landing following engine failure after takeoff. The plt stated that a supercharger bearing failure caused the engine to fail. During the landing in a flooded rice field the landing gear collapsed. - [NTSB FTW82DPG17](https://openairdocs.org/ntsb/FTW82DPG17.md): Rockwell S2R · Blackton, AR · Accident · No injuries · Final report · Jul 8, 1982 · N1762S · Destroyed > The eng failed during a swath run & the acft struck a rice levee drg the forced landing in an adjacent bean field. After exiting the aircraft and while talking to his flagman the pilot stated the aircraft began to burn around the engine area. The fire spread… ## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0143022') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=0143022&occurrence=351 --- 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.