# NTSB investigations: Rockwell International S-2R

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.

Page 1 of 6 · 276 cases

## Latest cases

- [NTSB CEN26LA221](https://openairdocs.org/ntsb/CEN26LA221.md): Rockwell International S-2R · Gause, TX · Accident · No injuries · Class 4 · Limited · Final report · May 20, 2026 · N4990X · Substantial damage
  > The loss of engine power due to fuel starvation. Contributing to the accident was the separated wing fuel tank screen and sealant debris in the fuel tank.
- [NTSB WPR23LA211](https://openairdocs.org/ntsb/WPR23LA211.md): Rockwell International S-2R · Paul, ID · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N4894X · Substantial damage
  > The pilot’s failure to maintain directional control on the takeoff roll, resulting in a runway excursion.
- [NTSB WPR23FA122](https://openairdocs.org/ntsb/WPR23FA122.md): Rockwell International S-2R · Willows, CA · Accident · 1 fatal · Class 3 · Field · Final report · Mar 8, 2023 · N8424V · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines while flying under multiple conductors during a low-altitude aerial application flight, which resulted in propeller contact with a powerline and a subsequent loss of control.
- [NTSB CEN23LA063](https://openairdocs.org/ntsb/CEN23LA063.md): Rockwell International S2R-G6 · Mission, TX · Accident · No injuries · Class 4 · Limited · Final report · Dec 6, 2022 · N4205X · Substantial damage
  > The pilot's failure to maintain clearance from an electrical box.
- [NTSB CEN21FA368](https://openairdocs.org/ntsb/CEN21FA368.md): Rockwell International S2R · Strasburg, ND · Accident · 1 fatal · Class 3 · Field · Final report · Aug 10, 2021 · N4956X · Substantial damage
  > The pilot’s intentional flight under power lines and his failure to maintain clearance from the lines during an aerial application flight.
- [NTSB ERA20LA328](https://openairdocs.org/ntsb/ERA20LA328.md): Rockwell S2R · Hamilton, GA · Accident · No injuries · Class 3 · Limited · Final report · Sep 21, 2020 · N7900V · Substantial damage
  > The pilot’s inadequate preflight planning and improper operation of the engine beyond its indicated maximum cruise power setting, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR20CA153](https://openairdocs.org/ntsb/WPR20CA153.md): Ayres S 2R · Artois, CA · Accident · Minor injuries · Class 4 · Data collection · Final report · May 23, 2020 · N5573X · Substantial damage
  > The pilot's failure to maintain clearance from power lines during a go-around.
- [NTSB CEN19LA156](https://openairdocs.org/ntsb/CEN19LA156.md): Rockwell S 2R · Oakes, ND · Accident · No injuries · Class 3 · Limited · Final report · May 25, 2019 · N4907X · Substantial damage
  > The failure of the helical cam gear of the engine assembly due to fatigue cracks in the gear teeth, which resulted in a total loss of engine power.
- [NTSB GAA19CA185](https://openairdocs.org/ntsb/GAA19CA185.md): Rockwell S 2R · Hermiston, OR · Accident · Minor injuries · Data collection · Final report · Mar 28, 2019 · N4250X · Substantial damage
  > The pilot's distraction due to a spray handle opening and his improper pitch trim setting during final approach, which resulted in an excessive pitchdown when he took his hand off the controls to close the handle.
- [NTSB ANC17FA047](https://openairdocs.org/ntsb/ANC17FA047.md): Rockwell International S 2R · Calipatria, CA · Accident · 1 fatal · Field investigation · Final report · Aug 22, 2017 · N5022X · Destroyed
  > A loss of control for reasons that could not be determined because of the extensive thermal damage from the postcrash fire.
- [NTSB WPR17LA174](https://openairdocs.org/ntsb/WPR17LA174.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N4913X · Substantial damage
  > The partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.
- [NTSB GAA17CA459](https://openairdocs.org/ntsb/GAA17CA459.md): Rockwell International S 2R · McRae, GA · Accident · No injuries · Data collection · Final report · Jul 27, 2017 · N4886X · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in tailwind conditions.
- [NTSB WPR16LA137](https://openairdocs.org/ntsb/WPR16LA137.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Jun 29, 2016 · N4952X · Substantial damage
  > The airplane’s inability to climb and subsequent impact with terrain for reasons that could not be determined based on the available information.
- [NTSB WPR16FA120](https://openairdocs.org/ntsb/WPR16FA120.md): Rockwell S2R · De Smet, ID · Accident · 1 fatal · Field investigation · Final report · Jun 6, 2016 · N4191X · Substantial damage
  > The pilot's inadequate visual lookout, which resulted in his failure to maintain clearance from guy wires during an aerial application flight. Contributing to the accident was the pilot's reduced ability to see the guy wires due to sun glare.
- [NTSB WPR15LA186](https://openairdocs.org/ntsb/WPR15LA186.md): Rockwell International S 2R · Washtucna, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 2015 · N8420V · Substantial damage
  > The pilot's failure to maintain directional control while landing with a quartering tailwind.
- [NTSB CEN14CA442](https://openairdocs.org/ntsb/CEN14CA442.md): Rockwell International S 2R · Kerkhoven, MN · Accident · No injuries · Data collection · Final report · Aug 19, 2014 · N9646A · Substantial damage
  > The pilot failure to see and avoid the guide wire during the aerial application flight.
- [NTSB WPR14LA198](https://openairdocs.org/ntsb/WPR14LA198.md): Rockwell International S 2R · Medicine Lake, MT · Accident · No injuries · Limited investigation · Final report · May 21, 2014 · N702CB · Substantial damage
  > The pilot’s failure to maintain airplane control and sufficient altitude to clear terrain during a low-altitude maneuver.
- [NTSB CEN13LA484](https://openairdocs.org/ntsb/CEN13LA484.md): Rockwell International S-2R · Larchwood, IA · Accident · No injuries · Limited investigation · Final report · Aug 12, 2013 · N5610X · Substantial damage
  > A complete loss of engine power during an agricultural application flight for reasons that could not be determined because postaccident examinations did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN13LA390](https://openairdocs.org/ntsb/CEN13LA390.md): Rockwell S-2R · Boise City, OK · Accident · No injuries · Limited investigation · Final report · Jun 12, 2013 · N2249U · Substantial damage
  > The total loss of engine power for reasons that could not be determined because postaccident examination of the engine and fuel system revealed no anomalies.
- [NTSB CEN13LA323](https://openairdocs.org/ntsb/CEN13LA323.md): Rockwell International S-2R · Hamlin, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 1, 2013 · N4946X · Substantial damage
  > The pilot's decision to land the airplane with a crosswind that exceeded the airplane's capabilities.
- [NTSB WPR12LA356](https://openairdocs.org/ntsb/WPR12LA356.md): Rockwell S2R · Royal City, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 2012 · N8468V · Substantial damage
  > The loss of engine power due to the separation of the No. 2 cylinder exhaust rocker boss housing, which prevented the exhaust valve from opening.
- [NTSB CEN12CA533](https://openairdocs.org/ntsb/CEN12CA533.md): Thrush S-2R · Newkirk, OK · Accident · No injuries · Data collection · Final report · Aug 7, 2012 · N5596X · Substantial damage
  > The pilot’s failure to maintain clearance from power lines.
- [NTSB WPR12CA229](https://openairdocs.org/ntsb/WPR12CA229.md): Rockwell International S-2R · Royal City, WA · Accident · No injuries · Data collection · Final report · May 24, 2012 · N8468V · Substantial damage
  > The pilot’s failure to maintain adequate clearance from an object during an aerial application, which resulted in damage to the landing gear and led to the airplane ground looping during the subsequent landing.
- [NTSB CEN12LA357](https://openairdocs.org/ntsb/CEN12LA357.md): Rockwell International S-2R · Howard, SD · Accident · No injuries · Limited investigation · Final report · May 23, 2012 · N8421V · Substantial damage
  > A fractured fabricated aluminum oil line, which resulted in oil exhaustion followed by a forced landing.
- [NTSB WPR12CA172](https://openairdocs.org/ntsb/WPR12CA172.md): Rockwell International S-2R · Palouse, WA · Accident · No injuries · Data collection · Final report · Apr 17, 2012 · N4971X · Substantial damage
  > The pilot’s inadequate fuel planning, which resulted in a total loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot’s distraction and subsequent failure to have the airplane refueled.
- [NTSB WPR12CA112](https://openairdocs.org/ntsb/WPR12CA112.md): Rockwell International S-2R · Yellow Pine, ID · Accident · No injuries · Data collection · Final report · Feb 14, 2012 · N8433V · Substantial damage
  > The pilot did not maintain directional control while landing on a snow-contaminated runway.
- [NTSB WPR12CA103](https://openairdocs.org/ntsb/WPR12CA103.md): Rockwell International S-2R · Yellow Pine, ID · Accident · No injuries · Data collection · Final report · Feb 5, 2012 · N4894X · Substantial damage
  > The pilot did not reduce the airplane’s descent rate prior to the landing flare/touchdown, which resulted in a hard landing.
- [NTSB WPR11LA279](https://openairdocs.org/ntsb/WPR11LA279.md): Rockwell International S-2R · Brawley, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2011 · N8520V · Substantial damage
  > The partial loss of engine power shortly after takeoff, which likely resulted from the failure of the piston connecting rod in cylinder number 3 due to hydraulic lock in that cylinder.
- [NTSB WPR11CA229](https://openairdocs.org/ntsb/WPR11CA229.md): Rockwell International S-2R · Kahlotus, WA · Accident · No injuries · Data collection · Final report · May 18, 2011 · N4996X · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB WPR11LA094](https://openairdocs.org/ntsb/WPR11LA094.md): Rockwell International S-2R · Oakley, CA · Accident · 1 fatal · Limited investigation · Final report · Jan 10, 2011 · N4977X · Substantial damage
  > An in-flight collision with an unmarked meteorological evaluation tower (MET) during an aerial application flight due to the pilot's failure to see and avoid the obstacle. Contributing to the accident was the lack of visual conspicuity of the MET and the lack…
- [NTSB CEN11CA006](https://openairdocs.org/ntsb/CEN11CA006.md): Rockwell International S-2R · Texarkana, AR · Accident · No injuries · Data collection · Final report · Oct 5, 2010 · N8432V · Substantial damage
  > The loss of engine power due to cracked engine cylinder.
- [NTSB CEN10LA404](https://openairdocs.org/ntsb/CEN10LA404.md): Rockwell International S-2R · Deshler, OH · Accident · No injuries · Limited investigation · Final report · Jul 9, 2010 · N4992X · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB DFW08LA223](https://openairdocs.org/ntsb/DFW08LA223.md): Rockwell International S-2R · Uvalde, TX · Accident · No injuries · Limited investigation · Final report · Sep 1, 2008 · N8472V · Substantial damage
  > A total loss of engine power due to the improper use of unauthorized replacement parts in the engine and repeated operation of the engine in an over-temperature condition.
- [NTSB CHI08CA198](https://openairdocs.org/ntsb/CHI08CA198.md): Rockwell S2R · Carthage, IL · Accident · No injuries · Data collection · Final report · Jul 18, 2008 · N8466V · Substantial damage
  > The pilot failed to maintain directional control during the takeoff roll. Contributing to the accident were the uneven runway, the runway edge, and the cornfield.
- [NTSB MIA08LA133](https://openairdocs.org/ntsb/MIA08LA133.md): Rockwell International S-2R · Colquitt, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2008 · N8499V · Substantial damage
  > Loss of engine power due to the installation of incorrect turbine blades on the compressor turbine disk during repair of the disk assembly.
- [NTSB SEA08LA133](https://openairdocs.org/ntsb/SEA08LA133.md): Thrush S-2R · Holtville, CA · Accident · Minor injuries · Limited investigation · Final report · May 11, 2008 · N8860Q · Substantial damage
  > The loss of oil pressure for undetermined reasons.
- [NTSB CHI06CA222](https://openairdocs.org/ntsb/CHI06CA222.md): Rockwell S2R · Park Rapids, MN · Accident · Minor injuries · Data collection · Final report · Jul 30, 2006 · N7982V · Substantial damage
  > A loss of engine power for undetermined reasons and the inadequate airspeed during the forced landing which resulted in a stall/mush. A factor was the low altitude at which the airplane was being operated.
- [NTSB ANC06CA055](https://openairdocs.org/ntsb/ANC06CA055.md): Rockwell International S-2R · Perry, FL · Accident · No injuries · Data collection · Final report · May 18, 2006 · N5596X · Substantial damage
  > The pilot's failure to refuel the airplane before fuel exhaustion, which resulted in a loss of engine power while maneuvering, and a subsequent forced landing and collision with trees.
- [NTSB DFW05CA209](https://openairdocs.org/ntsb/DFW05CA209.md): Rockwell S-2R · Lyford, TX · Accident · No injuries · Data collection · Final report · Aug 9, 2005 · N7794V · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW05CA189](https://openairdocs.org/ntsb/DFW05CA189.md): Rockwell International S-2R · Hamlin, TX · Accident · No injuries · Data collection · Final report · Jul 23, 2005 · N4946X · Substantial damage
  > The failure of the propeller blade seal resulting in an oil leak. Contributing factors were the limited forward visibility and lack of suitable terrain for the precautionary landing.
- [NTSB CHI05CA183](https://openairdocs.org/ntsb/CHI05CA183.md): Rockwell S-2R · Guelph, ND · Accident · Serious injuries · Data collection · Final report · Jul 12, 2005 · N4232X · Substantial damage
  > The pilot's failure to maintain clearance to the guy wire during the agricultural application pass. Contributing factors were the guy wire, and low altitude flight.
- [NTSB CHI05LA164](https://openairdocs.org/ntsb/CHI05LA164.md): Rockwell S-2R · Bristol, SD · Accident · 1 fatal · Limited investigation · Final report · Jul 5, 2005 · N3211R · Substantial damage
  > The pilot's failure to maintain clearance with the static lines between the transmission towers. A factor associated with the accident were the static lines.
- [NTSB SEA05LA126](https://openairdocs.org/ntsb/SEA05LA126.md): Rockwell S-2R · Mountain Home, ID · Accident · No injuries · Limited investigation · Final report · Jun 24, 2005 · N4865X · Substantial damage
  > The pilot's inadequate in-flight decision by failing to refuel resulting in fuel exhaustion during cruise flight and the loss of engine power. A vehicle was a factor in the on ground collision.
- [NTSB DFW05CA166](https://openairdocs.org/ntsb/DFW05CA166.md): Rockwell International S-2R · Watson, AR · Accident · No injuries · Data collection · Final report · Jun 11, 2005 · N8856Q · Substantial damage
  > The loss of engine power for undetermined reasons and the pilot's failure to maintain adequate airspeed which resulted in a stall.
- [NTSB DFW05CA095](https://openairdocs.org/ntsb/DFW05CA095.md): Ayres S-2R · Marvell, AR · Accident · No injuries · Data collection · Final report · Mar 11, 2005 · N8422V · Substantial damage
  > The pilot's failure to maintain directional control while landing. A contributing factor was gusty winds.
- [NTSB FTW04LA176](https://openairdocs.org/ntsb/FTW04LA176.md): Rockwell S-2R · Jonesville, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2004 · N8486V · Substantial damage
  > The pilot's failure to maintain clearance with the power lines.
- [NTSB FTW04LA158](https://openairdocs.org/ntsb/FTW04LA158.md): Rockwell International S-2R · Needville, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 10, 2004 · N4968X · Substantial damage
  > The loss of engine power and subsequent in-flight fire for undetermined reasons.
- [NTSB SEA04CA059](https://openairdocs.org/ntsb/SEA04CA059.md): Rockwell S-2R · Mattawa, WA · Accident · No injuries · Data collection · Final report · Mar 26, 2004 · N8420V · Substantial damage
  > Compensation for wind conditions not maintained. Factors include a tailwind and a rock pile adjacent to the runway.
- [NTSB LAX04CA153](https://openairdocs.org/ntsb/LAX04CA153.md): Ayres S2R-600 · Calipatria, CA · Accident · No injuries · Data collection · Final report · Mar 11, 2004 · N8520V · Substantial damage
  > the failure of ground personnel to refuel the airplane with the proper fuel grade/octane, resulting in the airplane's loss of engine power. Also causal was the pilot's failure to detect the fuel problem during a preflight inspection.
- [NTSB LAX04LA012](https://openairdocs.org/ntsb/LAX04LA012.md): Rockwell International S-2R · Lemoore, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 13, 2003 · N7950V · Substantial damage
  > a loss of control for undetermined reasons.

Next page: https://openairdocs.org/ntsb.md?model=7630202&page=2

## 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7630202

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