# NTSB CHI78DEC03: Grum Amer AA-5A, N766MF, Ann Arbor, MI, October 28, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 28, 1977
- Place: Ann Arbor, MI · ANN ARBOR, MI
- Location: 42.2761° N, 83.7312° W: Placed by OpenAirDocs: center of Ann Arbor, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2761&lon=-83.7312&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 5, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144562
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78DEC03
- Page: https://openairdocs.org/ntsb/CHI78DEC03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3544  77/10/28   ANN ARBOR,MI        GRUM AMER AA-5A     CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1935                    N766MF              PX-  0  0  0  DUAL                      AGE 29, 1620 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            80 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ANN ARBOR MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          ANN ARBOR,MI                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           SYSTEMS - ELECTRICAL SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FLUCTUATING
        REMARKS- LANDED ON RAMP AREA AT CLOSED ARPT AT NIGHT.LNDG LIGHT INTERMITTANT.
```

## Aircraft

- Registration: [N766MF](https://openairdocs.org/aircraft/N766MF), registered now, S/N AA5A-0076, built 1975 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-5A
- 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: Ann Arbor Muni

## 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 19771028036629A](https://openairdocs.org/incident/19771028036629A), Oct 28, 1977: Grumav AA5A, Ann Arbor, MI, Substantial damage. Landed on ramp area at closed arpt at night. Lndg light intermittant.

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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