# NTSB NYC76FNA29: Grum Amer AA1-B, N6205L, Billerica, MA, February 1, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 1, 1976
- Place: Billerica, MA · BILLERICA, MA
- Location: 42.5584° N, 71.2689° W: Placed by OpenAirDocs: center of Billerica, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5584&lon=-71.2689&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 5, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 152783
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC76FNA29
- Page: https://openairdocs.org/ntsb/NYC76FNA29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0440   76/2/1    BILLERICA,MA        GRUM AMER AA1-B     CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 49, 86 TOTAL
        TIME - 0932                    N6205L              PX-  0  0  0  SOLO                      HOURS, 67 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TEWKSBURY,MA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      36
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          160                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N6205L](https://openairdocs.org/aircraft/N6205L), registered now, S/N AA1B-0005, built 1972 (OpenAirDocs)
- Reported make and model: GRUM AMER AA1-B
- Registry model: [American AA-1B](https://openairdocs.org/model/american-aa-1b) (registry code 0630820) (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 19760201001399A](https://openairdocs.org/incident/19760201001399A), Feb 1, 1976: Grumav AA1B, Billerica, MA, Substantial damage

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.

---
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.