# NTSB investigations: Pratt & Whitney R-985 series, OR

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 WPR16FA169](https://openairdocs.org/ntsb/WPR16FA169.md): Boeing A75N1(PT17) · Madras, OR · Accident · 1 fatal · Field investigation · Final report · Aug 27, 2016 · N999PP · Destroyed
  > The pilot's failure to maintain clearance from the runway during a low-level aerobatic maneuver. Contributing to the accident was a high density altitude and the pilot's failure to plan/adequately compensate for high density altitude conditions.
- [NTSB GAA16CA429](https://openairdocs.org/ntsb/GAA16CA429.md): Consolidated Vultee BT13 · Joseph, OR · Accident · No injuries · Data collection · Final report · Aug 13, 2016 · N53331 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and damage to the left aileron and elevator.
- [NTSB SEA04LA139](https://openairdocs.org/ntsb/SEA04LA139.md): Grumman G-164A · Nyssa, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 2004 · N7220 · Substantial damage
  > The failure (fracture) of the number four cylinder head during an aerial application run. Factors include the soft crop-covered terrain.
- [NTSB SEA00LA159](https://openairdocs.org/ntsb/SEA00LA159.md): Boeing E75 · Mcminnville, OR · Accident · No injuries · Limited investigation · Final report · Aug 15, 2000 · N450UR · Substantial damage
  > The disconnection of the left tailwheel control cable spring resulting in the positioning of the tailwheel in a right turn condition.
- [NTSB SEA96LA098](https://openairdocs.org/ntsb/SEA96LA098.md): Consolidated-Vultee BT-13A · Brookings, OR · Accident · No injuries · Limited investigation · Final report · May 26, 1996 · N56642 · Substantial damage
  > the pilot's misjudgment of distance/speed during the approach to landing, his failure to attain a proper touchdown point for landing, and his failure to perform a go-around, while there was sufficient runway and airspeed remaining. The tailwind was a related…
- [NTSB SEA96LA054](https://openairdocs.org/ntsb/SEA96LA054.md): de Havilland DHC-2 · Ashland, OR · Accident · No injuries · Limited investigation · Final report · Feb 10, 1996 · N690 · Substantial damage
  > the dual student's improper touchdown, and the instructor's delayed remedial action. The crosswind was a related factor.
- [NTSB SEA96LA020](https://openairdocs.org/ntsb/SEA96LA020.md): Snow S2C · Dufer, OR · Accident · No injuries · Limited investigation · Final report · Nov 16, 1995 · N1694S · Substantial damage
  > A loss of engine power due to a cracked cylinder head. A factor was the evasive maneuver to avoid a ditch.
- [NTSB SEA95LA191](https://openairdocs.org/ntsb/SEA95LA191.md): Schweizer G-164 · Nyssa, OR · Accident · No injuries · Limited investigation · Final report · Aug 23, 1995 · N146KY · Substantial damage
  > the pilot's inadequate ground reconnaissance.
- [NTSB SEA95LA094](https://openairdocs.org/ntsb/SEA95LA094.md): Grumman G-164B · Stayton, OR · Accident · Minor injuries · Limited investigation · Final report · May 7, 1995 · N6895Q · Substantial damage
  > A power loss for undetermined reason(s). A factor was the soft terrain.
- [NTSB SEA93LA058](https://openairdocs.org/ntsb/SEA93LA058.md): Boeing A75N1 · Bend, OR · Accident · No injuries · Limited investigation · Final report · Jan 31, 1993 · N56843 · Substantial damage
  > Directional control not maintained and ground loop/swerve not corrected by the pilot in command.
- [NTSB SEA89LA138](https://openairdocs.org/ntsb/SEA89LA138.md): Grumman 164B · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · Jul 19, 1989 · N6632Q · Substantial damage
  > The airport owners failure to mark a hidden hazard.
- [NTSB SEA88LA087](https://openairdocs.org/ntsb/SEA88LA087.md): Stearman A-75-N1 · Medford, OR · Accident · Minor injuries · Limited investigation · Final report · May 1, 1988 · N53125 · Substantial damage
  > Plt performed a negative 'g' maneuver, estimated at 2 to 2.5 negative 'g' force, following which the engine lost power. A forced landing was accomplished in scrub trees. The engine is equipped with a float carburetor. There were indications that the cause of…
- [NTSB SEA83LA136](https://openairdocs.org/ntsb/SEA83LA136.md): Snow S2C · Hepner, OR · Accident · No injuries · Limited investigation · Final report · Jun 3, 1983 · N1665S · Substantial damage
  > The acft slid sideways on a sloping field during a forced landing and damaged a wing. The pilot said he had sprayed two fields and was enroute to spray another when a complete loss of power occurred. The pilot stated that he found no usablefuel in either fuel…
- [NTSB SEA82DA116](https://openairdocs.org/ntsb/SEA82DA116.md): Beech C45G · Sheridan, OR · Accident · No injuries · Final report · Jul 18, 1982 · N4758N · Destroyed
  > The aircraft was on a functional check flight. According to the pilot and a witness (employed by the pilot), the left brake was locked during touchdown. Subsequently, the aircraft nosed over and a ground fire erupted which destroyed the plane. The pilot…
- [NTSB SEA82FYM13](https://openairdocs.org/ntsb/SEA82FYM13.md): Weatherly 201B · Kent, OR · Accident · Serious injuries · Final report · Apr 22, 1982 · N1262W · Destroyed
  > The pilot reported that he was working off of a 1700 ft dirt strip with a rough surface and with a slight cross- wind. The elevation was about 2650 ft MSL and the temperature was approximately 70 degrees fahrenheit. The pilot initiated a takeoff with about…
- [NTSB SEA82DA028](https://openairdocs.org/ntsb/SEA82DA028.md): Boeing A75N1 · Medford, OR · Accident · No injuries · Final report · Feb 6, 1982 · N56270 · 2 aircraft · Minor damage
  > After landing the pilot of Taylorcraft, N9507B, was cleared to proceed to his parking area. At 1054:50, ground control advised him of stearman, N56270, approaching from the opposite direction. The Taylorcraft pilot adjusted his taxi path to the right of the…
- [NTSB SEA79DYK18](https://openairdocs.org/ntsb/SEA79DYK18.md): Beech D-17S · Sisters, OR · Accident · Minor injuries · Closed · Jun 15, 1979 · N1030 · Substantial damage
- [NTSB SEA78FYM39](https://openairdocs.org/ntsb/SEA78FYM39.md): Boeing E75N1 · John Day, OR · Accident · 1 fatal · Closed · Jun 16, 1978 · N4769V · Destroyed
- [NTSB SEA77DYK23](https://openairdocs.org/ntsb/SEA77DYK23.md): Beech C45H · Medford, OR · Accident · No injuries · Closed · Sep 11, 1977 · N600UW · Substantial damage
- [NTSB SEA77DYM57](https://openairdocs.org/ntsb/SEA77DYM57.md): Beech C-18S · Sheridan, OR · Accident · No injuries · Closed · Aug 14, 1977 · N4758N · Substantial damage
- [NTSB SEA77DYK12](https://openairdocs.org/ntsb/SEA77DYK12.md): Boeing D75N1 · Malin, OR · Accident · No injuries · Closed · May 1, 1977 · N53179 · Substantial damage
- [NTSB SEA76DYI08](https://openairdocs.org/ntsb/SEA76DYI08.md): Boeing E75 · Klamath Falls, OR · Accident · No injuries · Closed · Jul 23, 1975 · N4769V · Substantial damage
- [NTSB SEA7LFYC04](https://openairdocs.org/ntsb/SEA7LFYC04.md): Boeing E75 · Madras, OR · Accident · No injuries · Closed · Jul 12, 1975 · N147KY · Substantial damage
- [NTSB SEA74FYC55](https://openairdocs.org/ntsb/SEA74FYC55.md): Beech D18S · Mcminnville, OR · Accident · No injuries · Closed · May 26, 1974 · N104J · Substantial damage
- [NTSB SEA74FYI05](https://openairdocs.org/ntsb/SEA74FYI05.md): Boeing PT-17 · Malin, OR · Accident · Minor injuries · Closed · Jul 19, 1973 · N56941 · Substantial damage
- [NTSB SEA73DYI16](https://openairdocs.org/ntsb/SEA73DYI16.md): Boeing A75 · Marlin, OR · Accident · No injuries · Closed · Jun 6, 1973 · N5522N · Substantial damage
- [NTSB SEA73DYI14](https://openairdocs.org/ntsb/SEA73DYI14.md): Boeing E75 · Klamath Fall, OR · Accident · No injuries · Closed · May 24, 1973 · N4742V · Substantial damage
- [NTSB SEA72DYA34](https://openairdocs.org/ntsb/SEA72DYA34.md): Cessna 172H · Ontario, OR · Accident · No injuries · Closed · May 13, 1972 · N2626L · 2 aircraft · Substantial damage
- [NTSB SEA72DYI09](https://openairdocs.org/ntsb/SEA72DYI09.md): Stearman PT-17 · Glide, OR · Accident · Minor injuries · Closed · Sep 16, 1971 · N4769V · Destroyed
- [NTSB SEA69F0257](https://openairdocs.org/ntsb/SEA69F0257.md): Beech D17S · Aurora, OR · Accident · Minor injuries · Closed · Apr 7, 1969 · N1192V · Substantial damage
- [NTSB SEA69F0206](https://openairdocs.org/ntsb/SEA69F0206.md): Boeing E75 · Medford, OR · Accident · No injuries · Closed · Feb 28, 1969 · N4812V · Substantial damage
- [NTSB SEA69F0010](https://openairdocs.org/ntsb/SEA69F0010.md): Stearman PT-13 · Condon, OR · Accident · No injuries · Closed · Mar 30, 1968 · N49377 · Substantial damage
- [NTSB SEA67D0350](https://openairdocs.org/ntsb/SEA67D0350.md): Fairchild M62 · Rome, OR · Accident · No injuries · Closed · Jun 15, 1967 · N56110 · Substantial damage
- [NTSB SEA67F0131](https://openairdocs.org/ntsb/SEA67F0131.md): Beech C-45H · Lakeview, OR · Accident · No injuries · Closed · Jul 24, 1966 · N9985Z · Substantial damage
- [NTSB SEA67F0118](https://openairdocs.org/ntsb/SEA67F0118.md): Boeing A75 · Springfield, OR · Accident · No injuries · Closed · Jul 24, 1966 · N56769 · Substantial damage
- [NTSB SEA66F0107](https://openairdocs.org/ntsb/SEA66F0107.md): Beechcraft C-45G · Cave Junctn, OR · Accident · No injuries · Closed · Jul 26, 1965 · N248GB · Substantial damage
- [NTSB SEA65D0060](https://openairdocs.org/ntsb/SEA65D0060.md): Fairchild W62M · Adrian, OR · Accident · No injuries · Closed · May 11, 1965 · N56110 · No damage
- [NTSB UNK64X1982](https://openairdocs.org/ntsb/UNK64X1982.md): Boeing E75 · Waconda, OR · Accident · Minor injuries · Closed · May 27, 1964 · N1064N · 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."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&state=OR

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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.