# NTSB investigations: Grumman American Avn. AA-1C: Loss of engine power

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 MIA02LA036](https://openairdocs.org/ntsb/MIA02LA036.md): Grumman American AA-1C · Pompano Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Nov 29, 2001 · N9515U · Substantial damage
  > The failure of the pilot-in-command to maintain airspeed (Vs), while maneuvering for an emergency landing, resulting in an inadvertent stall and subsequent in-flight collision with terrain. A contributing factor in the accident was the loss of engine power…
- [NTSB FTW98LA242](https://openairdocs.org/ntsb/FTW98LA242.md): Grumman American AA-1C · Roanoke, TX · Accident · Minor injuries · Limited investigation · Final report · May 29, 1998 · N9606U · Substantial damage
  > The loss of engine power resulting from an excessively rich mixture for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX97LA026](https://openairdocs.org/ntsb/LAX97LA026.md): Grumman AA1C · San Diego, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 27, 1996 · N9519U · Destroyed
  > loss of engine power on final approach for undetermined reason(s).
- [NTSB ATL96LA091](https://openairdocs.org/ntsb/ATL96LA091.md): Grumman American AA-1C · Gulfport, MS · Accident · No injuries · Limited investigation · Final report · Jun 12, 1996 · N39018 · Substantial damage
  > improper planning/decision by the pilot, which resulted in fuel exhaustion and loss of engine power, due to an inadequate supply of fuel.
- [NTSB CHI96LA197](https://openairdocs.org/ntsb/CHI96LA197.md): Grumman American AA-1C · Custer, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 1996 · N39048 · Substantial damage
  > the pilot did not maintain aircraft control or abort the takeoff. The factors involved were the pilot encountered a stall/mush condition, exhaust valves were leaking, low compression on all cylinders, and all pistons were scored.
- [NTSB LAX94FA089](https://openairdocs.org/ntsb/LAX94FA089.md): Grumman AA-1C · Santa Paula, CA · Accident · 1 fatal · Field investigation · Final report · Dec 31, 1993 · N39036 · Destroyed
  > A failure of the pilot to maintain adequate airspeed, and subsequent inadvertent stall during an undetermined loss of engine power following takeoff.
- [NTSB SEA91LA079](https://openairdocs.org/ntsb/SEA91LA079.md): Grumman American AA-1C · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · Apr 6, 1991 · N9651U · Destroyed
  > Carburetor ice as a result of the pilot's improper use of carburetor heat.
- [NTSB LAX87LA181](https://openairdocs.org/ntsb/LAX87LA181.md): Grumman AA1C · Redlands, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1987 · N9545U · Destroyed
  > During an instructional flight, the plt stated that the estimated fuel capacity in the acft was aprx 12 gals prior to departure. The plt took-off on the right fuel tank and flew in the local area for aprx 15 minutes then returned to the arpt for touch-and-go…
- [NTSB NYC83LA194](https://openairdocs.org/ntsb/NYC83LA194.md): Grumman AA-1C · Doylestown, PA · Accident · No injuries · Limited investigation · Final report · Jul 27, 1983 · N9978U · Substantial damage
  > The student made 2 takeoffs & landings, then waited for traffic to clear the rwy before taking off again. While climbing to traffic pattern altitude on the 3rd takeoff, the eng lost power. An emergency checklist to restart the eng was not completed because of…

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3960100')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3960100&occurrence=350

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