# NTSB SEA78FTA05: Grum Amer AA5A, N26106, Billings, MT, November 12, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 12, 1977
- Place: Billings, MT · BILLINGS, MT
- Location: 45.7833° N, 108.5007° W: Placed by OpenAirDocs: center of Billings, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7833&lon=-108.5007&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report December 9, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144595
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FTA05
- Page: https://openairdocs.org/ntsb/SEA78FTA05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3589  77/11/12   BILLINGS,MT         GRUM AMER AA5A      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 76 TOTAL
        TIME - 0915                    N26106              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, 4 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BILLINGS INTL
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          LAUREL,MT                   LAUREL,MT                    BALLENTINE,MT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
        REMARKS- PILOT TALKING TO PAX.GOT LOW ON FINAL.RAISED FLAPS,BEGAN TO DESCEND,LOWERED FLAPS.
```

## Aircraft

- Registration: [N26106](https://openairdocs.org/aircraft/N26106), registered now, S/N AA5A0427, built 1977 (OpenAirDocs)
- Reported make and model: GRUM AMER AA5A
- Registry model: [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a) (registry code 3960106) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Billings Intl

## 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 19771112034619A](https://openairdocs.org/incident/19771112034619A), Nov 12, 1977: Grumav AA5A, Billings, MT, Substantial damage. Pilot talking to pax. Got low on final. Raised flaps,began to descend,lowered flaps.

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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