# NTSB MKC78FER93: Grumman AA-5A, N9580U, St Paul, MN, September 20, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 20, 1978
- Place: St Paul, MN · ST PAUL, MN
- Location: 44.9444° N, 93.0933° W: Placed by OpenAirDocs: center of St. Paul, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9444&lon=-93.0933&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 20, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140205
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78FER93
- Page: https://openairdocs.org/ntsb/MKC78FER93

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2564  78/9/20    ST PAUL,MN          GRUMMAN AA-5A       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, 112
        TIME - 1915                    N9580U              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ST PAUL DOWNTOWN
        DEPARTURE POINT             INTENDED DESTINATION
          ST PAUL,MN                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - PREMATURE LIFT-OFF
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
        REMARKS- PORPOISED DURING TAKEOFF ON TOUCH AND GO LANDING
```

## Aircraft

- Registration: [N9580U](https://openairdocs.org/aircraft/N9580U), registered now, S/N AA5A-0080, built 1975 (OpenAirDocs)
- Reported make and model: GRUMMAN 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: St Paul Downtown

## 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 19780920028759A](https://openairdocs.org/incident/19780920028759A), Sep 20, 1978: Grumav AA5A, St Paul, MN, Substantial damage. Porpoised during takeoff on touch and go landing

## Other investigations on N9580U (1)

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 MKC77FCD33](https://openairdocs.org/ntsb/MKC77FCD33), Jul 4, 1977: Amer Avco AA-5A (N9580U), Osage, IA, 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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