# NTSB investigations: Rockwell International S-2R: 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 FTW01LA156](https://openairdocs.org/ntsb/FTW01LA156.md): Rockwell International S-2R · Sabinal, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2001 · N4888X · Substantial damage > a loss of engine power due to a crack in the #9 cylinder, which result in the failure of the connecting rod during the aerial application flight. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB MIA99LA204](https://openairdocs.org/ntsb/MIA99LA204.md): Rockwell S-2R · Isola, MS · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 1999 · N8482V · Destroyed > Failure of the No. 4 cylinder due to a leaking intake valve resulting in loss of engine power and collision with a ditch while making a forced landing on unsuitable terrain. Contributing to the accident was improper maintenance adjustment of the engine valves… - [NTSB LAX96LA213](https://openairdocs.org/ntsb/LAX96LA213.md): Rockwell S-2R · Lost Hills, CA · Accident · No injuries · Limited investigation · Final report · May 30, 1996 · N8447V · Substantial damage > the loss of engine power due to a cylinder failure. A contributing factor was the lack of a suitable field for the forced landing. - [NTSB FTW96LA135](https://openairdocs.org/ntsb/FTW96LA135.md): Rockwell S-2R · Winchester, AR · Accident · Minor injuries · Limited investigation · Final report · Feb 27, 1996 · N431BL · Substantial damage > Failure of the engine master rod. A factor relating to the accident was: the lack of suitable terrain for a forced landing, due to the proximity of a power line and trees. - [NTSB LAX94LA158](https://openairdocs.org/ntsb/LAX94LA158.md): Rockwell S-2R · Tacna, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1994 · N4977X · Substantial damage > a catastrophic internal engine failure for undetermined reasons. A factor in the accident was the dark nighttime lighting conditions. - [NTSB FTW93LA190](https://openairdocs.org/ntsb/FTW93LA190.md): Rockwell S-2R · Wynne, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1993 · N4955X · Substantial damage > The engine power loss for undetermined reasons and the lack of suitable terrain for a forced landing. - [NTSB FTW92DPG10](https://openairdocs.org/ntsb/FTW92DPG10.md): Rockwell S2R-R3S · Minturn, AR · Accident · No injuries · Final report · Jul 24, 1992 · N8441V · Substantial damage > The loss of engine power and the encounter with unsuitable terrain during the forced landing. - [NTSB ATL92LA141](https://openairdocs.org/ntsb/ATL92LA141.md): Rockwell S-2R · Americus, GA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1992 · N8541V · Substantial damage > A loss of engine power due to a crack in the number three cylinder. A factor was the soft terrain at the forced landing area. - [NTSB FTW92DPG07](https://openairdocs.org/ntsb/FTW92DPG07.md): Ayres S2R · Grady, AR · Accident · No injuries · Final report · Jul 8, 1992 · N4979X · Substantial damage > The loss of engine power due to the separation of the number one engine cylinder. A factor was the unsuitable terrain. - [NTSB SEA92LA091](https://openairdocs.org/ntsb/SEA92LA091.md): Rockwell S2R · St. John, WA · Accident · No injuries · Limited investigation · Final report · May 5, 1992 · N8803Q · Substantial damage > The separation of the number 1 cylinder and remedial action by the PIC not possible. A factor contributing to the accident was: rough/uneven terrain. - [NTSB ATL91LA113](https://openairdocs.org/ntsb/ATL91LA113.md): Rockwell S-2R · Camilla, GA · Accident · No injuries · Limited investigation · Final report · Jun 17, 1991 · N8549V · Substantial damage > Restricted exhaust valve movement, low cylinder compression, and fouling of the engine spark plugs, which resulted in the loss of engine power. Factors were the improper servicing of the aircraft, and the use of an improper fuel grade. - [NTSB LAX91LA109](https://openairdocs.org/ntsb/LAX91LA109.md): Rockwell S2R-600 · Corcoran, CA · Accident · No injuries · Limited investigation · Final report · Feb 18, 1991 · N4930X · Substantial damage > Failure of the aircraft engine's fuel pump valve assembly bypass. - [NTSB MIA90LA146](https://openairdocs.org/ntsb/MIA90LA146.md): Ayres S-2R · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · Jun 27, 1990 · N4909X · Destroyed > Engine failure due to failure of the engine driven fuel pump shaft due to undetermined reasons. - [NTSB MKC90LA129](https://openairdocs.org/ntsb/MKC90LA129.md): Rockwell S2R · Tilton, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1990 · N8421V · Substantial damage > Failure of the engine blower(supercharger). Related to the accident was the soft/wet terrain, where the forced landing was performed. - [NTSB MKC89LA119](https://openairdocs.org/ntsb/MKC89LA119.md): Rockwell Thrush S2R · Carlisle, AR · Accident · Minor injuries · Limited investigation · Final report · May 30, 1989 · N4900X · Substantial damage > The engine failed due to a cracked cylinder and the pilot was forced to attempt a landing in a rice field where the gear collapsed. - [NTSB MKC88LA148](https://openairdocs.org/ntsb/MKC88LA148.md): Rockwell S-2R · Tarry, AR · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1988 · N3682X · Substantial damage > The pilot said the engine quit abrubtly during an aerial application turn around maneuver. He attempted to land in a nearby farm field and because of the soft terrain conditions, the acft nosed over during the roll out. Post accident investigation revealed a… - [NTSB SEA87LA151](https://openairdocs.org/ntsb/SEA87LA151.md): Rockwell S-2R · Plymouth, WA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1987 · N4229X · Substantial damage > Drg a swath run, a total loss of power occurred when the eng's #9 cylinder failed. The plt made a forced lndg in a soft potato field, but the acft nosed over after it slowed to about 20 KTS. - [NTSB ATL86LA230](https://openairdocs.org/ntsb/ATL86LA230.md): Rockwell S-2R · Shellman, GA · Accident · No injuries · Limited investigation · Final report · Aug 27, 1986 · N5042X · Substantial damage > Just after liftoff, the plt noted smoke and attributed it to an overhauled prop which had just been installed. He then heard a loud squeal from the eng and noted a loss of power. A forced landing was made in a rough corn field, where the acft was damaged. An… - [NTSB SEA86LA166](https://openairdocs.org/ntsb/SEA86LA166.md): Rockwell S2R · Royal City, WA · Accident · No injuries · Limited investigation · Final report · Jul 12, 1986 · N5698X · Substantial damage > Shortly after takeoff at an alt of aprx 110 ft AGL, a loss of pwr occurred due to the #2 cylinder failing. The acft nosed over during the subsequent forced landing in a wheat field. The plt then extinguished a small exhaust fire. - [NTSB MKC86LA091](https://openairdocs.org/ntsb/MKC86LA091.md): Rockwell S-2R · Salem, IA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1986 · N4949X · Substantial damage > The pilot states that the engine quit without warning as he was spraying a wheatfield. Pilot further states that he had very little time to pick a suitable landing area. He landed in hilly terrain and slid sideways into a crest, tearing out the right main… - [NTSB MIA85LA222](https://openairdocs.org/ntsb/MIA85LA222.md): Rockwell S-2R · Colquitt, GA · Accident · No injuries · Limited investigation · Final report · Jul 30, 1985 · N3647X · Substantial damage > The aircraft was substantially damaged and the pilot uninjured when the aircraft flipped upside down in a field during a forced landing in an open field following engine failure. A post accident examination of the engine revealed the number seven cylinder… - [NTSB MKC84LA269](https://openairdocs.org/ntsb/MKC84LA269.md): Rockwell S-2R · Weiner, AR · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 1984 · N4924X · Substantial damage > The plt was executing a turn around maneuver to continue spraying when the #2 cyl broke free from the eng & it completely shut down. The acft struck the levee of a bean field & flipped over, coming to rest in an inverted position. Post crash examination… - [NTSB FTW83LA386](https://openairdocs.org/ntsb/FTW83LA386.md): Rockwell S2-R · Jonesboro, AR · Accident · No injuries · Limited investigation · Final report · Aug 16, 1983 · N110JS · Substantial damage > The acft collided with a ditch during a forced landing after the engine quit. Enroute to a farmers field the engine failed very shortly after flame was seen emitting from the exhaust stack. Post accident examination showed that several blades in the 1st stage… - [NTSB ATL83FIG05](https://openairdocs.org/ntsb/ATL83FIG05.md): Rockwell S2R · Massey, MD · Accident · Minor injuries · Final report · Aug 5, 1983 · N8484V · Substantial damage > While en route to a customer's field, at aprx 350 ft AGL over a wooded area, the engine lost power. The plt released the load, and subsequently, he landed the acft in the tree tops. During the landing, the acft sheared off a large tree, knocked another tree… ## 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 ('7630202', '7630205') 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=7630202&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.