# NTSB investigations: Wright R-1820 series

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 2 of 2 · 71 cases

## Cases, newest first

- [NTSB NYC90DNE01](https://openairdocs.org/ntsb/NYC90DNE01.md): North American T-28B · New Braintree, MA · Accident · No injuries · Final report · Oct 28, 1989 · N504GH · Substantial damage
  > The failure of the nose gear, which failed to retract with the main landing gear after takeoff; the gear was observed to be misaligned, and collapsed during the aircraft's touchdown.
- [NTSB MIA89LA057](https://openairdocs.org/ntsb/MIA89LA057.md): Sikorsky S-58B · Kissimmee, FL · Accident · No injuries · Limited investigation · Final report · Dec 23, 1988 · N45726 · Substantial damage
  > The plt stated that he was repositioning the acft for fuel, and during a practice autorotation attempt the engine hydro-mechanical clutch failed. It did not re-engage upon the application of power and the acft was landed hard.
- [NTSB ATL88FA072](https://openairdocs.org/ntsb/ATL88FA072.md): North American T-28C · Woodstock, GA · Accident · 2 fatal · Field investigation · Final report · Jan 2, 1988 · N9719G · Destroyed
  > A plt/witness rptd that the airplane first flew over the arpt to the North at about 500 ft AGL, and subsequently performed a wingover at the North end of the arpt. The airplane then made a high-speed pass over the rwy to the south, at about 50 ft AGL. Upon…
- [NTSB LAX87DJA07](https://openairdocs.org/ntsb/LAX87DJA07.md): Emair MA-1B · Pahala, HI · Accident · No injuries · Final report · Jul 27, 1987 · N9919M · Substantial damage
  > At the end of an aerial application flt, the plt reported that after approaching the arpt in a light rain, he failed to keep the acft centered on the rwy. The acft exited the rwy to the left where it collided with the terrain and nosed over. There were no…
- [NTSB FTW87LA114](https://openairdocs.org/ntsb/FTW87LA114.md): Ayres S2R-1820 · Ville Platte, LA · Accident · No injuries · Limited investigation · Final report · May 7, 1987 · N4025P · Substantial damage
  > After landing on a wet grass strip the pilot realized that the aircraft was not going to stop. Obstructions off the end of the runway prevented a go-around. The aircraft collided with two trees causing substantial damage.
- [NTSB MIA86FA185](https://openairdocs.org/ntsb/MIA86FA185.md): Ayres S2R-1820 · Dundee, MS · Accident · 1 fatal · Field investigation · Final report · Jun 18, 1986 · N4023P · Destroyed
  > The ag acft was flying low over a water covered muddy rice field when the eng stopped running. The plt then jettisoned the load of fertilizer & entered a steep right turn. Subsequently, the aircraft struck the ground on the right wing & nose, then…
- [NTSB LAX85FJA06](https://openairdocs.org/ntsb/LAX85FJA06.md): Emroth Emair MA-1B · Pahala, HI · Accident · 1 fatal · Final report · Aug 26, 1985 · N1012Y · Destroyed
  > Witnesses reported seeing pieces of wood and fabric coming off the acft during it's second swath run. At the end of the run, the acft climbed abruptly to clear trees after which it entered an uncontrolled descent to ground impact. The acft was destroyed by…
- [NTSB ATL84LA211](https://openairdocs.org/ntsb/ATL84LA211.md): Sikorsky S-55B · Gilbertsville, KY · Accident · Serious injuries · Limited investigation · Final report · Jun 24, 1984 · N90414 · Substantial damage
  > The acft was used for public rides at an amusement park. During the takeoff to ferry the acft back to an overnight parking space the engine quit at 100 ft AGL. The plt said he started the acft and hovered using fuel from the aft fuel tank. When the engine…
- [NTSB LAX84FA220](https://openairdocs.org/ntsb/LAX84FA220.md): North American T-28B · Rialto, CA · Accident · 2 fatal · Field investigation · Final report · Mar 16, 1984 · N14110 · Destroyed
  > Plt was authorized by acft owner to test fly the acft around the traffic pattern with a local FBO owner on board. Plt made 3 flts, last of which culminated in the accident. On the first and third flts, unauthorized passengers were on board. FBO owner stated…
- [NTSB FTW84LA136](https://openairdocs.org/ntsb/FTW84LA136.md): Sikorsky S-58E · Morgan City, LA · Accident · Serious injuries · Limited investigation · Final report · Feb 13, 1984 · N70709 · Substantial damage
  > The helicopter was hovering above trees at about 100 ft AGL when the tail rotor chip detector lgt flickered svrl times, then illuminated steadily. This was followed by a loud grinding noise from the tail area & the acft yawed to the right. The acft entered an…
- [NTSB CHI83LA392](https://openairdocs.org/ntsb/CHI83LA392.md): Ayres S2R-R1820 · Essexville, MI · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1983 · N4025R · Destroyed
  > While on a swath run, the acft collided with a power line & crashed in a corn field. The plt received a head injury during the accident & was unable to recall details of the occurrence. According to witnesses, he was on a northerly run & was crossing under…
- [NTSB LAX83FVG14](https://openairdocs.org/ntsb/LAX83FVG14.md): Sikorsky S-58 · Biggs, CA · Accident · Serious injuries · Final report · Jul 14, 1983 · N9043P · Destroyed
  > The plt reported that he brought the helicopter to a hover in the loading area & eased forward to the rwy where he attempted to 'transition from a hover to flt.' He became aware that the helicopter was not going to have sufficient performance, so he elected…
- [NTSB FTW83LA277](https://openairdocs.org/ntsb/FTW83LA277.md): Ayres S2R-1820 · Ville Platte, LA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1983 · N4025P · Substantial damage
  > The acft collided with a dirt levee during takeoff after an engine malfunction. According to the plt he experienced a power failure at liftoff. He dumped his spray load and applied brakes. The engine regained partial power and failed again. At about 60 mph…
- [NTSB DEN83FA058](https://openairdocs.org/ntsb/DEN83FA058.md): North American T-28A · N. Winter Park, CO · Accident · 1 fatal · Field investigation · Final report · Feb 12, 1983 · N28TW · Destroyed
  > According to the surviving passenger (the plt's 15 yr old son), they saw some skiers after crossing over a mountain pass. He stated that as they turned, his father said, 'let's buzz them.' He reported that they turned sharply, 'sort of dove down to buzz…
- [NTSB ATL81DKQ15](https://openairdocs.org/ntsb/ATL81DKQ15.md): Emair MA-1B · Webb, MS · Accident · No injuries · Closed · Jun 16, 1981 · N9921M · Destroyed
- [NTSB LAX81DJA05](https://openairdocs.org/ntsb/LAX81DJA05.md): Murrayair MA-1B · Honokaa, HI · Accident · No injuries · Closed · Jan 28, 1981 · N1012Y · Substantial damage
- [NTSB CHI80DEP20](https://openairdocs.org/ntsb/CHI80DEP20.md): Vertol 42A · Neosho, WI · Accident · Minor injuries · Closed · Mar 21, 1980 · N96244 · Substantial damage
- [NTSB LAX79FUM11](https://openairdocs.org/ntsb/LAX79FUM11.md): Grumman F6F · San Marcos, CA · Accident · No injuries · Closed · Apr 3, 1979 · N100TF · Destroyed
- [NTSB OAK78DVA57](https://openairdocs.org/ntsb/OAK78DVA57.md): Emair MA-1B · Tipton, CA · Accident · No injuries · Closed · Jul 14, 1978 · N9929M · Substantial damage
- [NTSB LAX77DUG13](https://openairdocs.org/ntsb/LAX77DUG13.md): Grumman F6F-5 · Elsinore, CA · Accident · No injuries · Closed · Dec 4, 1976 · N100TF · Substantial damage
- [NTSB LAX71FUG03](https://openairdocs.org/ntsb/LAX71FUG03.md): N.American AT6-G · El Monte, CA · Accident · No injuries · Closed · Jul 12, 1970 · N7767C · 2 aircraft · Substantial damage

## 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.engine_model_code IN ('67020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=67020&page=2

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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.
