# NTSB MKC78DER80: Amer Avco AA-5B, N28335, Cook, MN, July 28, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 28, 1978
- Place: Cook, MN · COOK, MN
- Location: 47.8357° N, 92.6888° W: Placed by OpenAirDocs: center of Cook, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.8357&lon=-92.6888&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report January 18, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 140307
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78DER80
- Page: https://openairdocs.org/ntsb/MKC78DER80

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3496  78/7/28    COOK,MN             AMER AVCO AA-5B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 193
        TIME - 2015                    N28335              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 8 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - COOK MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          BOONE,IA                    COOK,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: TREES                                     LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
```

## Aircraft

- Registration: [N28335](https://openairdocs.org/aircraft/N28335), registered now, S/N AA5B0567 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-5B
- Registry model: [Grumman American Avn. AA-5B](https://openairdocs.org/model/grumman-american-avn-aa-5b) (registry code 3960105) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cook 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 19780728037789A](https://openairdocs.org/incident/19780728037789A), Jul 28, 1978: Gulstm AA5, Cook, MN, 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.

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