# NTSB investigations, WY: Airframe/component/system failure/malfunction

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 DEN06LA116](https://openairdocs.org/ntsb/DEN06LA116.md): Baker RV-3AB · Laramie, WY · Accident · 1 fatal · Limited investigation · Final report · Aug 24, 2006 · N43EM · Destroyed
  > The in-flight failure of the right wing spar during aerobatic flight. Contributing to the accident was the owner/operator's failure to comply with the service bulletin issued by the kit manufacturer.
- [NTSB DEN06IA042](https://openairdocs.org/ntsb/DEN06IA042.md): Swearingen SA226TC · Casper, WY · Incident · No injuries · Incident investigation · Final report · Feb 21, 2006 · N235BA · Minor damage
  > loss of directional control for undetermined reasons. A factor contributing to the incident was the runway maker light.
- [NTSB DEN05LA137](https://openairdocs.org/ntsb/DEN05LA137.md): Bell 47G-3B-1 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Sep 13, 2005 · N24SD · Substantial damage
  > the pilot's failure to maintain control of the helicopter during the attempted autorotation after he experienced an engine overspeed that occurred for reasons undetermined.
- [NTSB DEN04LA140](https://openairdocs.org/ntsb/DEN04LA140.md): Beech B-60 · Casper, WY · Accident · No injuries · Limited investigation · Final report · Sep 8, 2004 · N1551L · Substantial damage
  > the missing nose gear assembly bolt, spacer and nut resulting in a gear collapse due to improper maintenance procedures. Contributing to the accident was the collision with the storm drain.
- [NTSB DEN04IA126](https://openairdocs.org/ntsb/DEN04IA126.md): Cessna 750 · Jackson, WY · Incident · No injuries · Incident investigation · Final report · Aug 18, 2004 · N961QS · Minor damage
  > the failure of the right main landing gear trailing link due to fatigue cracking initiated by an undetected manufacturing defect. A contributing factor was the improper plating process by unknown manufacture personnel.
- [NTSB DEN03FA138](https://openairdocs.org/ntsb/DEN03FA138.md): Wright Hughes 1-B · Yellowstone Nat, WY · Accident · 1 fatal · Field investigation · Final report · Aug 5, 2003 · N258Y · Destroyed
  > The in-flight loss of a propeller counterweight, followed by the pilot's loss of aircraft control during a forced landing attempt and subsequent inadvertent stall/spin to the ground.
- [NTSB DEN02TA011](https://openairdocs.org/ntsb/DEN02TA011.md): Cessna 206 · Casper, WY · Accident · No injuries · Final report · Nov 9, 2001 · N9582G · Substantial damage
  > failure to maintain aircraft control during landing. Contributing factors were the crosswind and gusting wind conditions.
- [NTSB DEN01LA142](https://openairdocs.org/ntsb/DEN01LA142.md): Piper PA-60-602P · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Aug 9, 2001 · N44JH · Destroyed
  > the right main tire blowing out in flight, which resulted in a loss of directional control during landing.
- [NTSB DEN01LA125](https://openairdocs.org/ntsb/DEN01LA125.md): Aerospatiale SA315B · Cody, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2001 · N2128Z · Substantial damage
  > the failure of the turbine assembly due to an over temperature condition. A contributing factor was the lack of suitable terrain for a forced landing.
- [NTSB DEN00LA020](https://openairdocs.org/ntsb/DEN00LA020.md): Cessna 210D · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Nov 21, 1999 · N3928Y · Substantial damage
  > The partial failure of the engine driven hydraulic pump.
- [NTSB FTW98LA201](https://openairdocs.org/ntsb/FTW98LA201.md): Cessna 320D · Greybull, WY · Accident · No injuries · Limited investigation · Final report · May 1, 1998 · N3316Q · Substantial damage
  > Stress overload failure of the bellcrank assembly of the left landing gear.
- [NTSB SEA96LA190](https://openairdocs.org/ntsb/SEA96LA190.md): Aviat A-1 · Worland, WY · Accident · No injuries · Limited investigation · Final report · Aug 13, 1996 · N56LG · Substantial damage
  > overload failure of the landing gear axle, after its design stress limits had been exceeded at some undetermined time.
- [NTSB SEA96LA126](https://openairdocs.org/ntsb/SEA96LA126.md): Price Berkut · Jackson, WY · Accident · No injuries · Limited investigation · Final report · Jun 19, 1996 · N538AJ · Substantial damage
  > failure of the electrically driven hydraulic pump; and the absence of the main landing gear over-center downlock springs, which were not installed by the previous owner/builder.
- [NTSB SEA96FA010](https://openairdocs.org/ntsb/SEA96FA010.md): Maule M-5-235C · Alta, WY · Accident · 1 fatal · Field investigation · Final report · Oct 23, 1995 · N71AR · Destroyed
  > the corrosion, consequent fatigue cracking and ultimate separation of the right wing forward lift strut.
- [NTSB SEA95LA226](https://openairdocs.org/ntsb/SEA95LA226.md): Cessna 340 · Riverton, WY · Accident · No injuries · Limited investigation · Final report · Sep 25, 1995 · N10DF · Substantial damage
  > a partial loss of hydraulic fluid in the left brake system rendering the left brake inoperative.
- [NTSB FTW95FA177](https://openairdocs.org/ntsb/FTW95FA177.md): Beech 60 · Cheyenne, WY · Accident · 1 fatal · Field investigation · Final report · Apr 21, 1995 · N711PS · Destroyed
  > The pilot's failure to maintain aircraft control. Factors were the instrument weather conditons and the excessive workload imposed on the solo pilot attempting to deal with an emergency situation while flying in instrument meteorological conditions.
- [NTSB FTW94IA139](https://openairdocs.org/ntsb/FTW94IA139.md): Beech 1900C · Cheyenne, WY · Incident · No injuries · Incident investigation · Final report · Apr 27, 1994 · N141UE · Minor damage
  > A partial failure of the leading edge tip portion of one of the left engine propeller blades due to previous impact damage from an unknown source.
- [NTSB SEA93LA045](https://openairdocs.org/ntsb/SEA93LA045.md): Croy KR-2M · Gillette, WY · Accident · No injuries · Limited investigation · Final report · Dec 25, 1992 · N302DC · Substantial damage
  > Jamming of the nose landing gear door opening mechanism and the pilot in command's excessive descent rate upon touchdown.
- [NTSB SEA91LA106](https://openairdocs.org/ntsb/SEA91LA106.md): Beech A36 · Rawlins, WY · Accident · No injuries · Limited investigation · Final report · May 16, 1991 · N6724T · Substantial damage
  > The pilot's lack of familiarity with the aircraft, his lack of understanding of the electrical system, and a premature precautionary landing. Contributing to the accident were an alternator failure and the resultant false readings of the powerplant…
- [NTSB DEN88LA189](https://openairdocs.org/ntsb/DEN88LA189.md): Cessna 195 · Rawlins, WY · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1988 · N3455V · Substantial damage
- [NTSB DEN86LA126](https://openairdocs.org/ntsb/DEN86LA126.md): Cessna 140 · Riverton, WY · Accident · No injuries · Limited investigation · Final report · May 4, 1986 · N1949V · Substantial damage
  > The plt reports that the eng cowling came loose and he decided to land on a highway to secure the cowling. The approach was made to the west on the east/west road. The plt said the wind was from the south at 25 mph with gusts to 35 and the landing attempt…
- [NTSB DEN85LA195](https://openairdocs.org/ntsb/DEN85LA195.md): Schweizer G-164B-600 · Riverton, WY · Accident · No injuries · Limited investigation · Final report · Jul 22, 1985 · N6825K · Substantial damage
  > The plt was crop spraying a field in a Schweizer ag-cat acft when the left landing wire broke. The plt returned to Riverton, WY. During the landing roll, in attempt to stop the acft as soon as possible, he inadvertently applied the brakes too hard, causing…
- [NTSB DEN84LA282](https://openairdocs.org/ntsb/DEN84LA282.md): Aerospatiale 316B Alouette III · Cokeville, WY · Accident · No injuries · Limited investigation · Final report · Sep 5, 1984 · N8266 · Substantial damage
  > The plt stated that he lost tailrotor control while maneuvering for a landing. He elected to return to Cokeville airport and make the landing. The plt executed an aitorotation to the runway and during the landing flare, the tail skid struck the runway,…
- [NTSB DEN83FU003](https://openairdocs.org/ntsb/DEN83FU003.md): Weedhopper Unknown · Powell, WY · Accident · 1 fatal · Final report · Aug 28, 1983 · UNREG · Substantial damage
  > The ultralight vehicle crashed in a corn field while on a local pleasure flt. It impacted the soft ground in a nose down, vertical attitude. The engine buried itself to a depth of 18 inches. Examination of the wreckage airframe revealedthat a bolt with a self…
- [NTSB DEN82DA152](https://openairdocs.org/ntsb/DEN82DA152.md): Cessna 172N · Lander, WY · Accident · No injuries · Final report · Aug 3, 1982 · N6476G · Substantial damage
  > The pilot reported that the aircraft suddenly veered to the right after he had slowed to about 30 to 35 KTS. An examination revealed that the nose gear fork had failed in two places. The breaks were just below the strut attachment point and directly accross…
- [NTSB DEN82DA088](https://openairdocs.org/ntsb/DEN82DA088.md): Aerospatiale SA315B · Thayne, WY · Accident · Minor injuries · Final report · Apr 15, 1982 · N48089 · Substantial damage
  > The helicopter was hovering to pick up a sling load when a loud bang was heard and the aircraft began to spin counter clockwise. Investigation revealed that the tail rotor drive shaft had broken. "Examination of the shaft break disclosed a small fracture…

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&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.