# NTSB FTW81FPD33: Grumman AA-1B, N1624R, Lake Dallas, TX, August 4, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 4, 1981
- Place: Lake Dallas, TX · LAKE DALLAS, TX
- Location: 33.1278° N, 97.0228° W: Placed by OpenAirDocs: center of Lake Dallas, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.1278&lon=-97.0228&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 2, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124679
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81FPD33
- Page: https://openairdocs.org/ntsb/FTW81FPD33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1955   81/8/4  NR.LAKE DALLAS,TX     GRUMMAN AA-1B       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1100                    N1624R              PX-  0  0  1  BUSINESS                  AGE 29, 1411 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            295 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         LAKE DALLAS,TX               DALLAS,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N1624R](https://openairdocs.org/deregistered/N1624R-2012-08-09), registration cancelled 2012-08-09, S/N AA1B-0624, built 1976 (OpenAirDocs)
- Reported make and model: GRUMMAN AA-1B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810804047669A](https://openairdocs.org/incident/19810804047669A), Aug 4, 1981: Grumav AA1B, Lake Dallas, TX, Substantial damage. Reported forced landing due to power loss. No engine defects were found.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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