# NTSB NYC77DNA12: Grum Amer AA-1B, N6325L, Tewksbury, MA, February 10, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 10, 1977
- Place: Tewksbury, MA · TEWKSBURY, MA
- Location: 42.6106° N, 71.2342° W: Placed by OpenAirDocs: center of Tewksbury, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6106&lon=-71.2342&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 5, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157541
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77DNA12
- Page: https://openairdocs.org/ntsb/NYC77DNA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0658  77/2/10    TEWKSBURY,MA        GRUM AMER AA-1B     CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1530                    N6325L              PX-  0  0  0  DUAL                      AGE 34, 1035 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            331 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - TEW MAC
        DEPARTURE POINT             INTENDED DESTINATION
          TEWKSBURY,MA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: RUN
        PROBABLE CAUSE(S)
           DUAL STUDENT - SELECTED UNSUITABLE TERRAIN
           DUAL STUDENT - FAILED TO ABORT TAKEOFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
        REMARKS- PATCH OF SLUSHY ICE ABT 3 IN THICK ON RWY.
```

## Aircraft

- Registration: [N6325L](https://openairdocs.org/deregistered/N6325L-1992-05-26), registration cancelled 1992-05-26, S/N AA1B0025 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-1B
- Registry model: [American AA-1B](https://openairdocs.org/model/american-aa-1b) (registry code 0630820) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Tew Mac

## 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 19770210002989A](https://openairdocs.org/incident/19770210002989A), Feb 10, 1977: Grumav AA1B, Tewksbury, MA, Substantial damage. Patch of slushy ice abt 3 in thick on rwy.

## Other investigations on N6325L (1)

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.

- [NTSB NYC92LA085](https://openairdocs.org/ntsb/NYC92LA085), Apr 23, 1992: Grumman American AA-1B (N6325L), Tewksbury, MA, substantial damage. Probable cause: THE FAILURE OF THE PILOT TO COMPENSATE FOR ADVERSE WINDS, WHICH RESULTED IN A BOUNCED LANDING, SUBSEQUENT LOSS OF AIRSPEED AND AIRPLANE CONTROL.

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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