# NTSB investigations: Continental C145 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 LAX92LA044](https://openairdocs.org/ntsb/LAX92LA044.md): Cessna 170B · Lake Havasu, AZ · Accident · No injuries · Limited investigation · Final report · Nov 12, 1991 · N8172A · Substantial damage
  > The pilot's; 1) inadequate preflight preparation, 2) failure to obtain current NOTAM information, and 3) failure to obtain a current altimeter setting. Factors in the accident were the dark night condition and the pilot election not to use the landing light.
- [NTSB ANC92LA004](https://openairdocs.org/ntsb/ANC92LA004.md): Cessna 170B · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Oct 11, 1991 · N4606C · Substantial damage
  > The student pilot's failure to maintain directional control during the takeoff run.
- [NTSB LAX91LA406](https://openairdocs.org/ntsb/LAX91LA406.md): Callair A-3 · Williams, AZ · Accident · Serious injuries · Limited investigation · Final report · Sep 23, 1991 · N2903V · Destroyed
  > The pilot's encounter with a strong and gusty cross-wind which suddenly developed in the area and his subsequent loss of control. Factors which contributed to the accident were the pilot's inadequate airspeed and inability to adequately compensate for the…
- [NTSB SEA91LA237](https://openairdocs.org/ntsb/SEA91LA237.md): Cessna 170B · Curtis, WA · Accident · 1 fatal · Limited investigation · Final report · Sep 16, 1991 · N4693C · Destroyed
  > A misjudged maneuver due to physical impairment by alcohol. Contributing to the accident was overconfidence in personal ability.
- [NTSB ANC91LA141](https://openairdocs.org/ntsb/ANC91LA141.md): Cessna 170-B · Iowa Ridge, AK · Accident · No injuries · Limited investigation · Final report · Sep 4, 1991 · N2487D · Substantial damage
  > The pilot-in-command's failure to identify the rough and uneven, unsuitable terrain. Contributing to the accident was the rough and uneven terrain.
- [NTSB CHI91LA286](https://openairdocs.org/ntsb/CHI91LA286.md): Cessna 170B · Frankfort, IL · Accident · No injuries · Limited investigation · Final report · Aug 31, 1991 · N8244A · Substantial damage
  > The pilot in command's failure to maintain directional control. A contributing factor was a crosswind.
- [NTSB FTW91FA142](https://openairdocs.org/ntsb/FTW91FA142.md): Cessna 170A · Heath, TX · Accident · 2 fatal · Field investigation · Final report · Aug 7, 1991 · N9582A · Destroyed
  > The inadvertent stall following an abrupt pull up while maneuvering at low altitude, and the pilot's impairment due to to alcohol and drug consumption.
- [NTSB ANC91LA089](https://openairdocs.org/ntsb/ANC91LA089.md): Cessna 170B · Prospect Creek, AK · Accident · No injuries · Limited investigation · Final report · Jul 4, 1991 · N3158A · Substantial damage
  > Continued VFR flight into instrument meteorological conditions (IMC) by the pilot, and his delay in reversing course (remedial action). The terrain and weather conditions were related factors.
- [NTSB ANC91LA088](https://openairdocs.org/ntsb/ANC91LA088.md): Cessna 170B · Cordova, AK · Accident · No injuries · Limited investigation · Final report · Jul 2, 1991 · N2765D · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff ground run and the intentional ground loop by the pilot. The crosswind was a factor in the accident.
- [NTSB ANC91LA083](https://openairdocs.org/ntsb/ANC91LA083.md): Cessna 170B · Lake Louise, AK · Accident · No injuries · Limited investigation · Final report · Jun 30, 1991 · N4659C · Substantial damage
  > The pilot not maintaining directional control during the takeoff roll. Contributing to the accident was the rough condition of the airstrip.
- [NTSB ANC91LA064](https://openairdocs.org/ntsb/ANC91LA064.md): Cessna 170B · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jun 3, 1991 · N1658D · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll. The unfavorable wind was a related factor.
- [NTSB ANC91LA056](https://openairdocs.org/ntsb/ANC91LA056.md): Cessna C-170B · Manley Hot Sprg, AK · Accident · No injuries · Limited investigation · Final report · May 4, 1991 · N2744D · Substantial damage
  > The pilot's selecting unsuitable terrain for landing. Contributing to the accident was the rough landing area.
- [NTSB FTW91LA067](https://openairdocs.org/ntsb/FTW91LA067.md): Cessna 170B · Carlisle, AR · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 1991 · N8188A · Substantial damage
  > The pilot's failure to maintain airspeed above the stalling speed of the airplane and the resultant inadvertent stall. A factor was the emotional state of the pilot.
- [NTSB ANC91LA044](https://openairdocs.org/ntsb/ANC91LA044.md): Aeronca 15AC · Kotzebue, AK · Accident · No injuries · Limited investigation · Final report · Apr 1, 1991 · N1376H · Substantial damage
  > Fuel contamination (water) in both fuel tanks and fuel lines.
- [NTSB CHI91LA102](https://openairdocs.org/ntsb/CHI91LA102.md): Aeronca 15AC · St.Croix Falls, WI · Accident · 1 fatal · Limited investigation · Final report · Mar 3, 1991 · N1340H · No damage
  > Failure to conduct a passenger safety briefing, and inadequate supervision, by the pilot in command. A factor related to the accident is the passenger's inattentiveness.
- [NTSB ATL91LA053](https://openairdocs.org/ntsb/ATL91LA053.md): Temco GC-1B · Grantham, NC · Accident · Minor injuries · Limited investigation · Final report · Feb 10, 1991 · N77PB · Substantial damage
  > The pilot's improper planning/decision, and his attempt to fly the aircraft while it was loaded over its maximum allowable gross weight.
- [NTSB DEN91LA038](https://openairdocs.org/ntsb/DEN91LA038.md): Cessna 170A · Holly, CO · Accident · No injuries · Limited investigation · Final report · Feb 2, 1991 · N1437D · Substantial damage
  > The pilot's failure to maintain directional control. Factors were: a gusty crosswind condition and the pilot's lack of familiarity with the aircraft.

## 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 ('17012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17012&year=1991

---
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.