# NTSB investigations: Continental C90 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 CHI92LA051](https://openairdocs.org/ntsb/CHI92LA051.md): Luscombe 8-F · Chapin, IA · Accident · No injuries · Limited investigation · Final report · Dec 11, 1991 · N1871B · Substantial damage
  > Failed connecting rod which resulted in a catastrophic engine failure. A factor related to the accident was unsuitable terrain.
- [NTSB CHI92LA050](https://openairdocs.org/ntsb/CHI92LA050.md): Cessna 140 · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Dec 10, 1991 · N72625 · Substantial damage
  > Remedial action was not performed by the CFI. A factor related to the accident was directional control was not maintained by the student pilot.
- [NTSB NYC92LA019](https://openairdocs.org/ntsb/NYC92LA019.md): Piper J3C-65 · Manchester, VT · Accident · No injuries · Limited investigation · Final report · Oct 26, 1991 · N70548 · Substantial damage
  > The pilot's inadequate aircraft preflight. A factor was the pilot's lack of flight experience.
- [NTSB MIA91LA228](https://openairdocs.org/ntsb/MIA91LA228.md): Aeronca 7EC · Moore Haven, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 29, 1991 · N4713E · Substantial damage
  > The pilot's diversion of attention and inattention to the airspeed resulting in the inadvertent stall mush. Contributing to the accident was inadequate altitude to recover.
- [NTSB LAX91LA397](https://openairdocs.org/ntsb/LAX91LA397.md): Aeronca 7FC · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Sep 17, 1991 · N7550E · Substantial damage
  > The pilot's improper remedial action. Contributing to this accident was the pilot's improper use of the brakes and rudder and his lack of experience in the accident airplane's make and model.
- [NTSB NYC91LA184](https://openairdocs.org/ntsb/NYC91LA184.md): Piper PA-11 · Eagle Lake, ME · Accident · Minor injuries · Limited investigation · Final report · Jul 20, 1991 · N4504M · Substantial damage
  > The pilot's misjudgment of his altitude during a landing on glassy water, which resulted in a loss of airplane control.
- [NTSB CHI91LA240](https://openairdocs.org/ntsb/CHI91LA240.md): Piper J-3 · Saint Leo, MN · Accident · No injuries · Limited investigation · Final report · Jul 20, 1991 · N1402N · Substantial damage
  > Performance data was misjudged resulting in a positive climb not being attained by the pilot. A factor related to the accident was high density altitude.
- [NTSB ANC91LA101](https://openairdocs.org/ntsb/ANC91LA101.md): Aeronca 7AC · Chataniak Vly, AK · Accident · No injuries · Limited investigation · Final report · Jul 17, 1991 · N84903 · Substantial damage
  > Partial loss of engine power for an undetermined reason.
- [NTSB LAX91LA290](https://openairdocs.org/ntsb/LAX91LA290.md): Alon A2 · Trinity Center, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1991 · N6570Q · Substantial damage
  > The pilot's failure to ensure an adequate supply of fuel was available. Contributing to this accident was soft terrain.
- [NTSB FTW91LA111](https://openairdocs.org/ntsb/FTW91LA111.md): Champion 7ECA · Clinton, AR · Accident · No injuries · Limited investigation · Final report · Jun 30, 1991 · N7507B · Substantial damage
  > The loss of directional control due to locked wheel brake on the left landing gear.
- [NTSB FTW91LA099](https://openairdocs.org/ntsb/FTW91LA099.md): Champion 7FC · Medina, TX · Accident · No injuries · Limited investigation · Final report · Jun 16, 1991 · N7680E · Substantial damage
  > The pilot's inadequate visual lookout.
- [NTSB SEA91LA123](https://openairdocs.org/ntsb/SEA91LA123.md): Aeronca 7BCM · St. Xavier, MT · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1991 · N10527 · Destroyed
  > The pilot's improper use of the fuel system, and the overfilling of the fuel tank. Contributing to the accident was: aerobatics performed, the pilot's inattention and the design of the fuel system.
- [NTSB CHI91LA155](https://openairdocs.org/ntsb/CHI91LA155.md): Piper J3 · Creston, IA · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N88441 · Substantial damage
  > Icing in the induction air control system.
- [NTSB CHI91LA145](https://openairdocs.org/ntsb/CHI91LA145.md): Aeronca 7EC · O'Neill, NE · Accident · No injuries · Limited investigation · Final report · Apr 26, 1991 · N4652E · Substantial damage
  > The pilot's selection of unsuitable terrain for a precautionary landing. Factors were the pilot's disregarding the weather briefing and his intentional flight into adverse weather.
- [NTSB SEA91LA043](https://openairdocs.org/ntsb/SEA91LA043.md): Piper PA-18 · Wolf Point, MT · Accident · No injuries · Limited investigation · Final report · Jan 12, 1991 · N2787P · Substantial damage
  > The inadequate preflight planning and preparation by the pilot in command, and his selection of unsuitable terrain for takeoff. A factor relating to the accident was the snowdrifts in the takeoff area.
- [NTSB CHI91LA069](https://openairdocs.org/ntsb/CHI91LA069.md): Piper PA-18 · Ashland, NE · Accident · No injuries · Limited investigation · Final report · Jan 12, 1991 · N2115A · Substantial damage
  > The pilot's failure to maintain clearance above the terrain. Factors related to the accident were the low pass and ostentatious display.

## 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 ('17009'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17009&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.