# NTSB investigations: Lycoming 0-290 series, WY

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 DEN04LA070](https://openairdocs.org/ntsb/DEN04LA070.md): Crimmins Smyth Sidewinder · Natrona, WY · Accident · No injuries · Limited investigation · Final report · May 7, 2004 · N92AC · Substantial damage
  > fuel starvation due to contamination, resulting in the fuel selector valve becoming totally blocked. Contributing factors were the inadequate conditional inspection, and the lack of nsuitable terrain on which to make a forced landing.
- [NTSB DEN03LA091](https://openairdocs.org/ntsb/DEN03LA091.md): Champion 7GC · Casper, WY · Accident · No injuries · Limited investigation · Final report · May 30, 2003 · N5923L · Substantial damage
  > the pilot's failure to maintain directional control of the aircraft during the landing. Contributing factors include the inadequate remedial action by the pilot and the pilot's lack of experience in the aircraft.
- [NTSB FTW98LA332](https://openairdocs.org/ntsb/FTW98LA332.md): Piper PA-22-135 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Jul 25, 1998 · N1202C · Substantial damage
  > The pilot's failure to maintain directional control, and an inadvertent ground loop/swerve.
- [NTSB FTW98LA169](https://openairdocs.org/ntsb/FTW98LA169.md): Aeronca 7DC · Wright, WY · Accident · No injuries · Limited investigation · Final report · Mar 31, 1998 · N4484E · Substantial damage
  > The pilot's use of unsuitable terrain for takeoff. Factors were snow and rock covered terrain, inadequate aircraft preflight, improper aircraft servicing, and the fuel contaminated by water.
- [NTSB SEA96LA216](https://openairdocs.org/ntsb/SEA96LA216.md): Piper PA-18 · Gillette, WY · Accident · 1 fatal · Limited investigation · Final report · Sep 19, 1996 · N8789C · Substantial damage
  > failure of the pilot to see-and-avoid the obstruction (power line). The powerline was a related factor.
- [NTSB SEA95LA015](https://openairdocs.org/ntsb/SEA95LA015.md): Piper PA-18-105 · Gillette, WY · Accident · No injuries · Limited investigation · Final report · Nov 3, 1994 · N7566K · Substantial damage
  > The pilot in command's failure to maintain clearance with terrain. Factors contributing were the snow covered terrain and low ceiling resulting in poor contrast.
- [NTSB SEA93LA131](https://openairdocs.org/ntsb/SEA93LA131.md): Champion 7GC · Gillette, WY · Accident · No injuries · Limited investigation · Final report · Jun 14, 1993 · N8947R · Substantial damage
  > The pilot in command's not maintaining directional control and the overload of the left main landing gear. A factor contributing to the accident was the pilot's lack of experience in conventionally geared aircraft.
- [NTSB SEA91LA111](https://openairdocs.org/ntsb/SEA91LA111.md): Piper PA-22 · Laramie, WY · Accident · Minor injuries · Limited investigation · Final report · May 22, 1991 · N2234A · Substantial damage
  > The pilot's failure to maintain an airspeed above the stall speed for the aircraft. Contributing to the accident was the high density altitude.
- [NTSB DEN87DTI02](https://openairdocs.org/ntsb/DEN87DTI02.md): Bakeng Deuce · Gillette, WY · Accident · No injuries · Final report · Sep 21, 1987 · N9659A · Substantial damage
  > The plt rprtd that on each of his 1st 3 attempts to land, he began losing directional control during roll-out & went around. On the 4th attempt, he again tried to go around, but the acft swerved off the rwy & ground looped, collapsing the left main gear &…
- [NTSB DEN86LA225](https://openairdocs.org/ntsb/DEN86LA225.md): Piper PA-18 · Worland, WY · Accident · No injuries · Limited investigation · Final report · Aug 8, 1986 · N1590P · Destroyed
  > On landing, wind gust lifted left wing and tail section. Acft nosed over.
- [NTSB DEN85LA049](https://openairdocs.org/ntsb/DEN85LA049.md): Piper PA-18 · Cody, WY · Accident · Serious injuries · Limited investigation · Final report · Dec 25, 1984 · N1212A · Substantial damage
  > The student plt had the acft owner's (employer) permission to use the acft for solo practice toward obtaining his private plt certificate. Plt was ranch employee and knew one ranch manager would be looking for sheep, plt diverted from instructor's…
- [NTSB DEN83LA097](https://openairdocs.org/ntsb/DEN83LA097.md): Piper PA-18-150 · Hulett, WY · Accident · No injuries · Limited investigation · Final report · Apr 14, 1983 · N8254C · Substantial damage
  > The acft struck a deer while landing into the sun at a private ranch strip. The animal was seen just before touchdown but not in time to avoid hitting it.
- [NTSB DEN82DA105](https://openairdocs.org/ntsb/DEN82DA105.md): Piper PA-20 · Near Rawlins, WY · Accident · No injuries · Final report · Jun 19, 1982 · N3411A · Substantial damage
  > The pilot stated that he had landed on a blacktop road, but opted to takeoff on a gravel road because of the proximity of reflector posts to the wings. He stepped off the road and estimated that he had about 800 ft for takeoff. The density altitude was about…
- [NTSB DEN80FTC14](https://openairdocs.org/ntsb/DEN80FTC14.md): Piper PA-18 · Hulett, WY · Accident · No injuries · Closed · May 6, 1980 · N8254C · Substantial damage
- [NTSB DEN76DTC31](https://openairdocs.org/ntsb/DEN76DTC31.md): Piper PA-18 · Sheridan, WY · Accident · No injuries · Closed · Apr 13, 1976 · N1112A · Substantial damage
- [NTSB DEN76AD031](https://openairdocs.org/ntsb/DEN76AD031.md): Piper PA-18 · Colony, WY · Accident · 1 fatal · Closed · Feb 14, 1976 · N1636A · Destroyed
- [NTSB DEN75DTC10](https://openairdocs.org/ntsb/DEN75DTC10.md): Piper PA-18 · Rock Springs, WY · Accident · No injuries · Closed · Nov 28, 1974 · N1379A · Substantial damage
- [NTSB DEN73FTC21](https://openairdocs.org/ntsb/DEN73FTC21.md): Piper PA-18A · Bosler, WY · Accident · Minor injuries · Closed · Mar 18, 1973 · N1385C · Destroyed
- [NTSB DEN71FXT10](https://openairdocs.org/ntsb/DEN71FXT10.md): Piper PA-20 · Evanston, WY · Accident · No injuries · Closed · Sep 15, 1970 · N7414K · Substantial damage
- [NTSB DEN70DXA08](https://openairdocs.org/ntsb/DEN70DXA08.md): Piper PA-18 · Sheridan, WY · Accident · No injuries · Closed · Mar 28, 1970 · N1112A · Substantial damage
- [NTSB DEN70DXA02](https://openairdocs.org/ntsb/DEN70DXA02.md): Piper PA-22 · Guernsey, WY · Accident · No injuries · Closed · Jan 12, 1970 · N2221A · Substantial damage
- [NTSB DEN70D0016](https://openairdocs.org/ntsb/DEN70D0016.md): Piper PA-22 · Cokeville, WY · Accident · No injuries · Closed · May 4, 1969 · N8585C · Substantial damage
- [NTSB DEN66D0282](https://openairdocs.org/ntsb/DEN66D0282.md): Piper J3C · Big Piney, WY · Accident · No injuries · Closed · Feb 7, 1966 · N98859 · Substantial damage
- [NTSB DEN66A0019](https://openairdocs.org/ntsb/DEN66A0019.md): Piper PA-22 · Cheyenne, WY · Accident · No injuries · Closed · Sep 19, 1965 · N629A · Substantial damage
- [NTSB UNK64X1339](https://openairdocs.org/ntsb/UNK64X1339.md): Piper PA18 · Buffalo Arpt, WY · Accident · No injuries · Closed · Apr 16, 1964 · N7211K · Substantial damage
- [NTSB UNK64X0425](https://openairdocs.org/ntsb/UNK64X0425.md): Piper PA20 · Glendo, WY · Accident · No injuries · Closed · Feb 1, 1964 · N4946M · 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" = 'WY' 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 ('41506'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41506&state=WY

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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.