# NTSB investigations: Wright C7BA series

A list on [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 2 · 65 investigations

- [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 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 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 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 ERA13LA018](https://openairdocs.org/ntsb/ERA13LA018.md): Sikorsky S-55B · Yorktown, NY · Accident · No injuries · Limited investigation · Final report · Oct 12, 2012 · N443FD · Substantial damage
  > The pilot's improper decision to perform a downwind precautionary landing and the helicopter’s resultant settling with power and impact with terrain.
- [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 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 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 SEA02FA091](https://openairdocs.org/ntsb/SEA02FA091.md): Sikorsky CH-19E · Plains, MT · Accident · Minor injuries · Field investigation · Final report · May 30, 2002 · N94475 · Substantial damage
  > Power loss for undetermined reasons.
- [NTSB SEA01LA131](https://openairdocs.org/ntsb/SEA01LA131.md): Rockwell International S-2R · Nez Perce, ID · Accident · 1 fatal · Limited investigation · Final report · Jul 14, 2001 · N5011X · Substantial damage
  > The pilot's failure to maintain terrain clearance for undetermined reasons.
- [NTSB SEA01FA127](https://openairdocs.org/ntsb/SEA01FA127.md): Rockwell S-2R-1200 · Cottonwood, ID · Accident · 1 fatal · Field investigation · Final report · Jul 10, 2001 · N4947X · Destroyed
  > Failure to maintain adequate clearance from terrain while dropping fire retardant. Factors include low visibility with smoke.
- [NTSB ATL98LA121](https://openairdocs.org/ntsb/ATL98LA121.md): Rockwell S-2R · Colquitt, GA · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 1998 · N5506X · Destroyed
  > The pilot's inadequate visual lookout, and his failure to maintain adequate clearance of known equipment, resulted in the collision with the field irrigation system.
- [NTSB ATL98LA107](https://openairdocs.org/ntsb/ATL98LA107.md): Rockwell S-2R · Dothan, AL · Accident · No injuries · Limited investigation · Final report · Aug 8, 1998 · N5033X · Substantial damage
  > Fuel Exhaustion due to the pilot's improper fuel consumption calculations. A factor was the power line.
- [NTSB SEA98LA138](https://openairdocs.org/ntsb/SEA98LA138.md): Rockwell S-2R · Burley, ID · Accident · 2 fatal · Limited investigation · Final report · Jul 16, 1998 · N5036X · 2 aircraft · Substantial damage
  > A failure of both pilots to see and avoid each other's aircraft due to inadequate visual lookout.
- [NTSB SEA97LA088](https://openairdocs.org/ntsb/SEA97LA088.md): Rockwell S-2R · Prescott, WA · Accident · Serious injuries · Limited investigation · Final report · Apr 18, 1997 · N4978X · Substantial damage
  > failure of the pilot to maintain terrain clearance from uneven/hilly terrain.
- [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 MIA92LA094](https://openairdocs.org/ntsb/MIA92LA094.md): Rockwell S-2R · Hollandale, MS · Accident · No injuries · Limited investigation · Final report · Mar 7, 1992 · N4942X · Substantial damage
  > Failure of the pilot in command to check the fuel tank for contaminants before departure, which resulted in the total loss of engine power due to water contamination.
- [NTSB LAX89DUJ10](https://openairdocs.org/ntsb/LAX89DUJ10.md): Ayres S-2R · Yuma, AZ · Accident · Serious injuries · Final report · Sep 14, 1989 · N4977X · Substantial damage
  > The failure of the pilot to maintain directional control after landing on a dry gravel runway.
- [NTSB MKC89LA018](https://openairdocs.org/ntsb/MKC89LA018.md): Rockwell S2R · Sublette, KS · Accident · Serious injuries · Limited investigation · Final report · Nov 1, 1988 · N5517X · Substantial damage
  > While conducting an aerial application operation, the aircraft struck some cross-country power lines. The acft nosed down and struck the terrain, causing substantial damage to the acft and serious injuries to the pilot. The pilot was unable to recall the…
- [NTSB ATL88DKG08](https://openairdocs.org/ntsb/ATL88DKG08.md): Sikorsky S-55B · Valdosta, GA · Accident · No injuries · Final report · Jun 16, 1988 · N6489 · Substantial damage
- [NTSB MKC87LA164](https://openairdocs.org/ntsb/MKC87LA164.md): Rockwell S-2R · Mediapolis, IA · Accident · No injuries · Limited investigation · Final report · Aug 15, 1987 · N4949X · Substantial damage
  > The pilot stated that the field to be sprayed appeared safe enough when he flew a recon flight over the area the day prior to the accident. He stated that he didn't expect the power transmission lines to be so low, and that he did not see a rise in the…
- [NTSB FTW87LA101](https://openairdocs.org/ntsb/FTW87LA101.md): Sikorsky S-55B · De Quincy, LA · Accident · Serious injuries · Limited investigation · Final report · Apr 23, 1987 · N414A · Substantial damage
  > The pilot experienced an engine surge followed by a complete loss of power during a swath run of a tree spraying ag operation. The helicopter was over a densely wooded area and autorotated into trees. The owner was aware of a carburetor problem and had…
- [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 SEA86LA178](https://openairdocs.org/ntsb/SEA86LA178.md): Ayres S-2R · Kuna, ID · Accident · 1 fatal · Limited investigation · Final report · Jul 24, 1986 · N5017X · Destroyed
  > Acft was observed in orbit pattern near object field for night aerial application. Plt overflew object field secured acft lights and shortly thereafter collided with powerline tower. Plt had made application at this field four previous times this year. Ground…
- [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 MIA86FA033](https://openairdocs.org/ntsb/MIA86FA033.md): North American T-28A · Lantana, FL · Accident · 1 fatal · Field investigation · Final report · Nov 23, 1985 · N9867C · Destroyed
  > The pilot/mechanic had recently re-installed a rebuilt engine in the aircraft and performed a very short run-up prior to takeoff. Witnesses stated the aircraft engine made popping noises and was belching black smoke during the takeoff roll. The aircraft…
- [NTSB DEN84LA230](https://openairdocs.org/ntsb/DEN84LA230.md): Sikorsky S-55B · Richey, MT · Accident · No injuries · Limited investigation · Final report · Jul 20, 1984 · N24111 · Substantial damage
  > The pilot stated that he landed in a pasture where he intended to refuel. During the landing roll, one of the wheels dropped into a hole, causing the main rotor blade to flex downward and severe the tailboom.
- [NTSB LAX83LA215](https://openairdocs.org/ntsb/LAX83LA215.md): North American Rockwell S2R800 · Fallon, NV · Accident · No injuries · Limited investigation · Final report · May 4, 1983 · N4985X · Destroyed
  > The acft overran the departure end of the rwy during takeoff. The acft had a full load of fuel and about 250 lbs. Of insecticide. The acft had attained a speed of 65 mph as the end of the rwy was approached. The pilot stated that he thought he could make the…
- [NTSB CHI82DA150](https://openairdocs.org/ntsb/CHI82DA150.md): Sikorsky S-55B · Otsego, OH · Accident · No injuries · Final report · May 4, 1982 · N16861 · Substantial damage
  > The pilot was spreading fertilizer by using external buckets. As he was unhooking a bucket, the engine lost power. He did a hovering autorotation, but the helicopter settled on a bucket, tipped over and allowed the main rotor blades to hit the ground. An…
- [NTSB FTW82DA088](https://openairdocs.org/ntsb/FTW82DA088.md): Rockwell S-2R · Hughes, AR · Accident · No injuries · Final report · Mar 9, 1982 · N4987X · Substantial damage
  > The pilot attempted a downwind takeoff from a soft ag strip with a heavy load. After realizing that he would be unable to lift-off, the pilot initiated an abort. The aircraft continued off of the end of the strip and flipped over in a muddy terrain.
- [NTSB LAX81FVG58](https://openairdocs.org/ntsb/LAX81FVG58.md): Rockwell S-2R · Clarksburg, CA · Accident · No injuries · Closed · Aug 5, 1981 · N4989X · Destroyed
- [NTSB MIA80FLD93](https://openairdocs.org/ntsb/MIA80FLD93.md): Sikorsky S-55B · Titusville, FL · Accident · Minor injuries · Closed · Aug 27, 1980 · N31611 · Substantial damage
- [NTSB CHI80DEP42](https://openairdocs.org/ntsb/CHI80DEP42.md): Sikorsky CH-19E · Plover, WI · Accident · No injuries · Closed · Aug 3, 1980 · N94475 · Substantial damage
- [NTSB CHI80FEK18](https://openairdocs.org/ntsb/CHI80FEK18.md): Sikorsky S-55B · Rushville, OH · Accident · No injuries · Closed · Jul 2, 1980 · N16861 · Substantial damage
- [NTSB FTW80DRG46](https://openairdocs.org/ntsb/FTW80DRG46.md): Aero Comdr S2R · Beeville, TX · Accident · Minor injuries · Closed · Jun 11, 1980 · N4989X · Substantial damage
- [NTSB FTW80DQD08](https://openairdocs.org/ntsb/FTW80DQD08.md): Aero-Comdr S24 · Mesilla, NM · Accident · No injuries · Closed · May 26, 1980 · N5018X · Substantial damage
- [NTSB MKC79FCQ33](https://openairdocs.org/ntsb/MKC79FCQ33.md): Rockwell S2R · Hoxie, KS · Accident · No injuries · Closed · Jun 24, 1979 · N5008X · Substantial damage
- [NTSB MIA79FLD24](https://openairdocs.org/ntsb/MIA79FLD24.md): Sikorsky S-55B · Haines, FL · Accident · No injuries · Closed · Dec 19, 1978 · N6489 · Substantial damage
- [NTSB MIA78DKJ85](https://openairdocs.org/ntsb/MIA78DKJ85.md): Aero Comdr S2R · Montgomery, AL · Accident · Serious injuries · Closed · Aug 28, 1978 · N5030X · Destroyed
- [NTSB FTW78FQG48](https://openairdocs.org/ntsb/FTW78FQG48.md): Snow S-2R · Plainview, TX · Accident · No injuries · Closed · Aug 21, 1978 · N4946X · Substantial damage
- [NTSB OAK78DVG68](https://openairdocs.org/ntsb/OAK78DVG68.md): Sikorsky H-19 · Gerber, CA · Accident · No injuries · Closed · Jul 26, 1978 · N32533 · Substantial damage
- [NTSB FTW78DPG42](https://openairdocs.org/ntsb/FTW78DPG42.md): Na Rockwell S2R · Palestine, AR · Accident · No injuries · Closed · Jun 4, 1978 · N4940X · Destroyed
- [NTSB FTW78DRG27](https://openairdocs.org/ntsb/FTW78DRG27.md): Snow S2R · Beeville, TX · Accident · No injuries · Closed · Mar 11, 1978 · N4983X · Substantial damage
- [NTSB FTW76FPM01](https://openairdocs.org/ntsb/FTW76FPM01-201343.md): Sikorsky S-55B · Tulsa, OK · Accident · No injuries · Closed · Oct 1, 1976 · N2305 · Substantial damage
- [NTSB MKC76DCQ70](https://openairdocs.org/ntsb/MKC76DCQ70.md): Aero-Comdr 600S2R · Leoti, KS · Accident · No injuries · Closed · Aug 4, 1976 · N5016X · Substantial damage
- [NTSB SEA76DYA44](https://openairdocs.org/ntsb/SEA76DYA44.md): Aero Comdr 600S2R · Rexburg, ID · Accident · No injuries · Closed · Aug 2, 1976 · N4990X · Substantial damage
- [NTSB OAK76DVG68](https://openairdocs.org/ntsb/OAK76DVG68.md): Aero Comdr 600S2R · Colusa, CA · Accident · No injuries · Closed · Apr 27, 1976 · N4983X · Substantial damage
- [NTSB FTW76FPG34](https://openairdocs.org/ntsb/FTW76FPG34.md): Sikorsky S-55B · Little Rock, AR · Accident · No injuries · Closed · Nov 18, 1975 · N15187 · Substantial damage
- [NTSB MKC76DER29](https://openairdocs.org/ntsb/MKC76DER29.md): Sikorsky S-55B · Eden Prairie, MN · Accident · No injuries · Closed · Sep 26, 1975 · N17376 · Substantial damage
- [NTSB MIA76FLD16](https://openairdocs.org/ntsb/MIA76FLD16.md): Sikorsky CH19E · Cosme, FL · Accident · Minor injuries · Closed · Sep 10, 1975 · N94475 · Destroyed

Next page: https://openairdocs.org/engine/wright-c7ba-series/ntsb.md?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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('67017')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/wright-c7ba-series/ntsb

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