# NTSB NYC78DFJ10: Grum Amer AA1-B, N8969L, Hornell, NY, November 13, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 13, 1977
- Place: Hornell, NY · HORNELL, NY
- Location: 42.3330° N, 77.6632° W: Placed by OpenAirDocs: center of Hornell, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3330&lon=-77.6632&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 19, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144720
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC78DFJ10
- Page: https://openairdocs.org/ntsb/NYC78DFJ10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3836  77/11/13   HORNELL,NY          GRUM AMER AA1-B     CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 23, 34 TOTAL
        TIME - 1300                    N8969L              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - HORNELL
        DEPARTURE POINT             INTENDED DESTINATION
          HORNELL,NY                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
```

## Aircraft

- Registration: [N8969L](https://openairdocs.org/deregistered/N8969L-2015-12-19), registration cancelled 2015-12-19, S/N AA1B-0419, built 1974 (OpenAirDocs)
- Reported make and model: GRUM AMER AA1-B
- 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
- Airport: Hornell

## 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 19771113037939A](https://openairdocs.org/incident/19771113037939A), Nov 13, 1977: Grumav AA1B, Hornell, NY, Substantial damage

## Other investigations on N8969L (3)

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 ERA15LA276](https://openairdocs.org/ntsb/ERA15LA276), Jul 19, 2015: Grumman American Avn. AA1B (N8969L), Lititz, PA, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine found no mechanical malfunctions or failures that would have precluded normal…
- [NTSB NYC81FGT13](https://openairdocs.org/ntsb/NYC81FGT13), Sep 21, 1981: Amer Avco AA-1B (N8969L), Marietta, PA, substantial damage
- [NTSB NYC75FFA36](https://openairdocs.org/ntsb/NYC75FFA36), Apr 26, 1975: Grum Amer AA1-B (N8969L), New Paltz, NY, 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.