# NTSB investigations: Bombardier ROTAX (ALL), 1991

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 ATL92LA023](https://openairdocs.org/ntsb/ATL92LA023.md): Georga L. Atwood Kitfox III · Trezevant, TN · Accident · No injuries · Limited investigation · Final report · Nov 13, 1991 · N49GA · Substantial damage
  > The pilot's improper handling of the airplane which resulted in a noseover.
- [NTSB NYC92DHJ01](https://openairdocs.org/ntsb/NYC92DHJ01.md): Challenger II Bombadier · Moriches, NY · Accident · 1 fatal · Final report · Oct 13, 1991 · N8182K · Destroyed
  > A loss of control in flight due to a flight control malfunction for undetermined reasons.
- [NTSB LAX92LA002](https://openairdocs.org/ntsb/LAX92LA002.md): Cano Avid Flyer · Sonora, CA · Accident · No injuries · Limited investigation · Final report · Oct 1, 1991 · N860CD · Substantial damage
  > Fuel starvation due to vapor lock.
- [NTSB CHI91DCD03](https://openairdocs.org/ntsb/CHI91DCD03.md): Tullis Tierra II · Ottumwa, IA · Accident · 2 fatal · Final report · Aug 31, 1991 · N2162S · Destroyed
  > Failure of the pilot to maintain control of the airplane during maneuvering flight.
- [NTSB DEN91LA112](https://openairdocs.org/ntsb/DEN91LA112.md): Lars Avid Flyer · Colorado Spring, CO · Accident · No injuries · Limited investigation · Final report · Aug 10, 1991 · N49BP · Substantial damage
  > The pilot's delay in flaring the airplane. Factors were: (1) stuck piston rings and (2) the pilot's failure to use flaps.
- [NTSB SEA91LA202](https://openairdocs.org/ntsb/SEA91LA202.md): Taylor Air Command 532 Elite · Libby, MT · Accident · 1 fatal · Limited investigation · Final report · Aug 4, 1991 · N70300 · Destroyed
  > Loss of control during takeoff due to the pilot's total lack of experience in the type of aircraft.
- [NTSB SEA91LA174](https://openairdocs.org/ntsb/SEA91LA174.md): Schrader, Edward A · Nampa, ID · Accident · No injuries · Limited investigation · Final report · Jul 15, 1991 · N62KS · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB MIA91LA185](https://openairdocs.org/ntsb/MIA91LA185.md): Donald R. Lee AIR Command · Quitman, MS · Accident · 1 fatal · Limited investigation · Final report · Jul 13, 1991 · N7165P · Destroyed
  > The pilot in commands failure to maintain control resulting in an uncontrolled descent and an in flight collision with terrain.
- [NTSB SEA91LA153](https://openairdocs.org/ntsb/SEA91LA153.md): Derego Avid Flyer/B · Myrtle Creek, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1991 · N220B · Substantial damage
  > Loss of engine power for an undetermined reason.
- [NTSB CHI91DEX04](https://openairdocs.org/ntsb/CHI91DEX04.md): Wilbur D. Batman Challenger II · Lebanon, IN · Accident · Minor injuries · Final report · Jul 4, 1991 · N503DB · Substantial damage
  > Failure to maintain stall airspeed while executing a forced landing. A factor related to the accident is failure of the engine starter clutch.
- [NTSB CHI91DCA01](https://openairdocs.org/ntsb/CHI91DCA01.md): Gremminger Kolb Twinstar · St. Genevieve, MO · Accident · Serious injuries · Final report · Jun 1, 1991 · N7175J · Substantial damage
  > The failure of the pilot to abort the takeoff and improper remedial action by the pilot rated passenger after assuming control of the airplane. A factor associated with the accident is the pilot losing directional control during the takeoff ground run.
- [NTSB LAX91LA229](https://openairdocs.org/ntsb/LAX91LA229.md): Glaser-Dirks DG-500M · Minden, NV · Accident · No injuries · Limited investigation · Final report · May 25, 1991 · N503V · Substantial damage
  > An engine failure produced as a result of the pilot improperly adjusting the carburetor mixture jet.
- [NTSB NYC91DGT02](https://openairdocs.org/ntsb/NYC91DGT02.md): Kolb Twinstar · Williamsport, PA · Accident · Minor injuries · Final report · May 5, 1991 · N94MW · Substantial damage
  > An engine seizure as the result of overheating.
- [NTSB CHI91DEM04](https://openairdocs.org/ntsb/CHI91DEM04.md): Fred B. Stencel Falcon X P · St. Charles, MI · Accident · No injuries · Final report · Apr 18, 1991 · N747AA · Destroyed
  > A result of the pilot in command not maintaining directional control during the go around maneuver. Factors associated with the accident were the pilot in command's lack of total experience and familiarity with the airplane.
- [NTSB LAX91LA160](https://openairdocs.org/ntsb/LAX91LA160.md): Burnett, Jerry D. Challenger II · Bullhead City, AZ · Accident · No injuries · Limited investigation · Final report · Apr 6, 1991 · N4555J · Substantial damage
  > The disintegration of the propeller. Contributing to this accident was the deterioration of aircraft control and the nonavilability of suitable landing terrain.
- [NTSB CHI91DEE03](https://openairdocs.org/ntsb/CHI91DEE03.md): Air Command Gyrocopter · Lansing, IL · Accident · Minor injuries · Final report · Mar 24, 1991 · N447MR · Substantial damage
  > The pilot's delayed pullup. A factor in the accident was the pilot's exessive rate of descent during the spiral maneuver.

## 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") = 1991
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('09050'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=09050&year=1991

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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.