# NTSB investigations, 1998, 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 DEN99LA017](https://openairdocs.org/ntsb/DEN99LA017.md): Cessna 182A · Bedford, WY · Accident · No injuries · Limited investigation · Final report · Nov 1, 1998 · N6352B · Substantial damage
  > The pilot's failure to identify a soft area on his newly constructed airstrip, which subsequently caused his airplane to nose over.
- [NTSB DEN99FA012](https://openairdocs.org/ntsb/DEN99FA012.md): Piper PA-28-235 · Buffalo, WY · Accident · 2 fatal · Field investigation · Final report · Oct 19, 1998 · N8537N · Destroyed
  > The non-instrument rated pilot's initiated flight into adverse weather conditions and inadvertently flew into IMC weather conditions. Factors were the low ceiling weather conditions, the dark night light conditions, and a non operating VOR navigational aid.
- [NTSB DEN99LA008](https://openairdocs.org/ntsb/DEN99LA008.md): Stinson 108-3 · Jackson Hole, WY · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 1998 · N569C · Destroyed
  > The pilot's inability to maintain adequate airspeed which resulted in an inadvertent stall/mush. Factors contributing to the accident were the unfavorable weather condition, mountain wave and the high density altitude.
- [NTSB FTW98LA391](https://openairdocs.org/ntsb/FTW98LA391.md): Cessna 180F · Douglas, WY · Accident · No injuries · Limited investigation · Final report · Sep 11, 1998 · N4612U · Substantial damage
  > A collision with a deer during take-off.
- [NTSB FTW98LA374](https://openairdocs.org/ntsb/FTW98LA374.md): Beech B36TC · Pinedale, WY · Accident · No injuries · Limited investigation · Final report · Aug 5, 1998 · N4BA · Substantial damage
  > The pilot not following his Pilot Operating checklist procedures. A factor was the aborted landing which interfered with the pilot's normal traffic pattern habit.
- [NTSB FTW98FA354](https://openairdocs.org/ntsb/FTW98FA354.md): Mooney M20J · Centennial, WY · Accident · 1 fatal · Field investigation · Final report · Aug 4, 1998 · N5698L · Destroyed
  > The pilot's disregard of information provided in weather briefs, and his flight into known adverse weather in mountainous terrain which resulted in an in-flight collision with a mountain. Factors were rain and low ceiling/visibility.
- [NTSB FTW98LA336](https://openairdocs.org/ntsb/FTW98LA336.md): Grumman American AA-5B · Cody, WY · Accident · No injuries · Limited investigation · Final report · Jul 27, 1998 · N28241 · Substantial damage
  > The pilot's failure to maintain visual lookout while taxiing the aircraft.
- [NTSB FTW98LA334](https://openairdocs.org/ntsb/FTW98LA334.md): Cessna 500 · Rawlins, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 1998 · CFSKC · Destroyed
  > The captain's use of improper airplane performance data, resulting in inadequate takeoff capability. Factors were his decision to abort the takeoff above V1, the separation of the drag chute, a wet runway, a tailwind, and collision with objects that included…
- [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 FTW98LA309](https://openairdocs.org/ntsb/FTW98LA309.md): Overton Mustang M-II · Hillsdale, WY · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 1998 · N121GD · Substantial damage
  > The pilot's inadequate visual lookout and his failure to maintain adequate clearance from obstacles. Factors were an intentional low altitude flight maneuver, wires, and low light conditions.
- [NTSB FTW98LA308](https://openairdocs.org/ntsb/FTW98LA308.md): Piper PA-20-160 · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Jul 2, 1998 · N8933D · Substantial damage
  > The pilot's failure to maintain directional control of the airplane, resulting in a ground loop. A factor was the pilot's lack of experience in a conventional landing gear type of airplane.
- [NTSB FTW98LA288](https://openairdocs.org/ntsb/FTW98LA288.md): Piper PA-23-160 · Casper, WY · Accident · No injuries · Limited investigation · Final report · Jun 26, 1998 · N4132P · Substantial damage
  > The pilot's improper in-flight planning and decision making by selecting an inadequate landing area for an emergency landing when a suitable landing area was available. Factors were fuel exhaustion, inaccurate preflight planning, and lack of recent experience.
- [NTSB FTW98LA270](https://openairdocs.org/ntsb/FTW98LA270.md): Piper PA-25-260 · Douglas, WY · Accident · No injuries · Limited investigation · Final report · Jun 17, 1998 · N8531L · Substantial damage
  > The pilot's inadequate judgement in attempting to takeoff from unsuitable rough terrain.
- [NTSB FTW98LA254](https://openairdocs.org/ntsb/FTW98LA254.md): Cessna 172A · Ten Sleep, WY · Accident · No injuries · Limited investigation · Final report · May 24, 1998 · N9863T · Destroyed
  > The student pilot's failure to select a proper touchdown point. A factor was his lack of recent experience conducting solo flight operations.
- [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 FTW98LA200](https://openairdocs.org/ntsb/FTW98LA200.md): Piper PA-24-400 · Jackson, WY · Accident · No injuries · Limited investigation · Final report · May 1, 1998 · N8536P · Substantial damage
  > the pilot's misjudgment of distance and speed, while approaching to land; his failure to attain a proper touchdown point for landing; and his failure to go around, while there was sufficient runway remaining. A related factor was the uneven terrain, which was…
- [NTSB FTW98LA176](https://openairdocs.org/ntsb/FTW98LA176.md): Cessna P206B · Riverton, WY · Accident · Serious injuries · Limited investigation · Final report · Apr 7, 1998 · N4728F · Destroyed
  > continued flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude from terrain, while manuevering to reverse direction. Related factors were: the adverse weather conditions, mountainous terrain, and…
- [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 FTW98LA125](https://openairdocs.org/ntsb/FTW98LA125.md): Piper PA-18-105 · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Feb 6, 1998 · N316T · Substantial damage
  > the pilot's improper use of carburetor heat, which resulted in loss of engine power due to carburetor ice. Factors relating to the accident were: the carburetor icing (weather) condition, and the lack of a suitable area for an emergency landing.
- [NTSB FTW98LA116](https://openairdocs.org/ntsb/FTW98LA116.md): Cessna 172 · Laramie, WY · Accident · No injuries · Limited investigation · Final report · Jan 30, 1998 · N6926A · Substantial damage
  > The pilot's improper flare and subsequent improper go-around in that he failed to use compensating elevator control, and his loss of directional control.
- [NTSB FTW98LA113](https://openairdocs.org/ntsb/FTW98LA113.md): Cessna 182Q · Keeline, WY · Accident · No injuries · Limited investigation · Final report · Jan 22, 1998 · N759QZ · Substantial damage
  > failure of the pilot to maintain directional control of the airplane during the landing roll. Factors relating to the accident included: a snow covered/icy/muddy area on the runway, and the proximity of a snowbank to the runway.

## 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 year(c."eventDate") = 1998
  AND c."eventStateOrRegion" = 'WY' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=WY&year=1998

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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.