# NTSB investigations: Lycoming 0-290 series, 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 FTW92LA043](https://openairdocs.org/ntsb/FTW92LA043.md): Piper PA-22 · New Roads, LA · Accident · No injuries · Limited investigation · Final report · Dec 7, 1991 · N3746A · Substantial damage
  > The student pilot's loss of directional control and the resultant ground loop. Factors were the cfi's lack of supervision and the ditch adjacent to the runway.
- [NTSB MIA92LA038](https://openairdocs.org/ntsb/MIA92LA038.md): Piper PA-20 · Hilliard, FL · Accident · No injuries · Limited investigation · Final report · Nov 23, 1991 · N7304K · Substantial damage
  > Partial loss of engine power due to undetermined reasons and unsuitable terrain encountered during the forced landing. Contributing to the accident was the low ceiling encountered and reduced in-flight planning decision time by the pilot-in-command.
- [NTSB ANC92LA016](https://openairdocs.org/ntsb/ANC92LA016.md): Piper PA-20 · Stebbins, AK · Accident · No injuries · Limited investigation · Final report · Nov 8, 1991 · N1685A · Substantial damage
  > The pilot's failure to adequately compensate for the wind during landing. Factors were the crosswind and the attempted go around
- [NTSB ATL91LA184](https://openairdocs.org/ntsb/ATL91LA184.md): Fischer Wagabond · Rossville, TN · Accident · 1 fatal · Limited investigation · Final report · Sep 30, 1991 · N42LF · Destroyed
  > The loss of engine power as a result of carburetor icing.
- [NTSB ANC91LA152](https://openairdocs.org/ntsb/ANC91LA152.md): Piper PA-18-150 · Anaktuvuk Pass, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1991 · N2515A · Substantial damage
  > That the pilot inadvertently stall/spun the airplane to the ground. Contributing to the accident was the pilot's failure to adequately remove the ice/frost from the wings before starting the takeoff.
- [NTSB CHI91LA285](https://openairdocs.org/ntsb/CHI91LA285.md): Monocoupe 90A · Creve Coeur, MO · Accident · No injuries · Limited investigation · Final report · Sep 1, 1991 · N11793 · Substantial damage
  > A premature liftoff and improper remedial action by the pilot during a takeoff ground run.
- [NTSB CHI91LA271](https://openairdocs.org/ntsb/CHI91LA271.md): Piper PA-20 · Saginaw, MI · Accident · No injuries · Limited investigation · Final report · Aug 25, 1991 · N7732K · Substantial damage
  > Directional control was not maintained by the pilot which resulted in a ground loop. A factor related to the accident was a crosswind.
- [NTSB ANC91LA124](https://openairdocs.org/ntsb/ANC91LA124.md): Piper PA-18 · Eagle River, AK · Accident · No injuries · Limited investigation · Final report · Aug 14, 1991 · N1017A · Substantial damage
  > The pilot's failure to maintain airspeed during climbout and lack of aircraft control. Contributing to the accident was both the downdraft and gusting wind.
- [NTSB ANC91LA120](https://openairdocs.org/ntsb/ANC91LA120.md): Piper PA-20 · Eureka, AK · Accident · No injuries · Limited investigation · Final report · Aug 7, 1991 · N7404K · Substantial damage
  > The pilot-in-command's failure to mantain directional control of the airplane during the takeoff roll. Contributing to the accident was the crosswind.
- [NTSB SEA91LA182](https://openairdocs.org/ntsb/SEA91LA182.md): Piper PA-20 · Ione, WA · Accident · 2 fatal · Limited investigation · Final report · Jul 21, 1991 · N7066K · Destroyed
  > Inadequate clearance. A factor to the accident was: poor inflight planning.
- [NTSB SEA91LA180](https://openairdocs.org/ntsb/SEA91LA180.md): Piper PA-20 · Chehalis, WA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1991 · N7458K · Substantial damage
  > The pilot's failure to maintain proper runway alignment. Factors include gusty winds and crosswinds.
- [NTSB LAX91LA295](https://openairdocs.org/ntsb/LAX91LA295.md): Piper PA 22 · Duncan, AZ · Accident · No injuries · Limited investigation · Final report · Jul 6, 1991 · N3625A · Substantial damage
  > The pilot's failure to maintain a proper airspeed during the approach and an inadvertent entry into a stall/mush which resulted in a hard landing.
- [NTSB ANC91LA086](https://openairdocs.org/ntsb/ANC91LA086.md): Piper PA-18-150 · Delta Junction, AK · Accident · No injuries · Limited investigation · Final report · Jul 1, 1991 · N1476C · Substantial damage
  > Was the pilot-in-command's loss of control during the takeoff run, thereby allowing the airplane to stray from the runway's centerline and to strike some high vegetation.
- [NTSB LAX91LA260](https://openairdocs.org/ntsb/LAX91LA260.md): Piper PA-22-135 · Sonita, AZ · Accident · No injuries · Limited investigation · Final report · Jun 16, 1991 · N1429C · Substantial damage
  > A loss of engine power due to a broken piston ring in the number 3 cylinder, which resulted in the aircraft's inability to maintain level flight.
- [NTSB ANC91LA068](https://openairdocs.org/ntsb/ANC91LA068.md): Cessna 140 · Kenai, AK · Accident · No injuries · Limited investigation · Final report · Jun 10, 1991 · N81074 · Substantial damage
  > The pilot's failure to maintain directional control. A factor was the gusty wind conditions.
- [NTSB FTW91LA094](https://openairdocs.org/ntsb/FTW91LA094.md): Pitts S1C · Houston, TX · Accident · No injuries · Limited investigation · Final report · Jun 9, 1991 · N48JP · Substantial damage
  > The failure of the propeller due to improper installation.
- [NTSB BFO91LA051](https://openairdocs.org/ntsb/BFO91LA051.md): Smith, Ted Aerostar STP1 · Quinton, VA · Accident · No injuries · Limited investigation · Final report · May 26, 1991 · N949Z · 2 aircraft · Substantial damage
  > The pilot's failure to maintain adequate clearance from a moving 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 SEA91LA091](https://openairdocs.org/ntsb/SEA91LA091.md): Schwartz Bushby MM-1 · Ephrata, WA · Accident · 1 fatal · Limited investigation · Final report · Apr 20, 1991 · N484N · Destroyed
  > The pilot's loss of control after he initiated a maneuver at low altitude.
- [NTSB SEA91LA085](https://openairdocs.org/ntsb/SEA91LA085.md): Piper PA-18-125 · Ekalaka, MT · Accident · No injuries · Limited investigation · Final report · Apr 13, 1991 · N1322A · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing roll. Factors to the accident were: the landing surface was covered with slush, snow was falling and obscured the pilot's vision.
- [NTSB CHI91LA123](https://openairdocs.org/ntsb/CHI91LA123.md): Piper PA-20 · Grand Marais, MN · Accident · No injuries · Limited investigation · Final report · Mar 24, 1991 · N7010K · Substantial damage
  > Failure of the pilot to maintain directional control. The crosswind and snow covered runway were related factors.
- [NTSB LAX91LA125](https://openairdocs.org/ntsb/LAX91LA125.md): Cessna 152 · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Mar 3, 1991 · N25378 · 2 aircraft · Minor damage
  > The failure of the CFI aboard N25378 to adequately supervise the flight and the dual student pilot's improper use of the normal brakes.

## 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 ('41506'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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