# NTSB UNK79X0112: Grumman AA-5B, N28411, Polo, IL, July 13, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 13, 1979
- Place: Polo, IL · POLO, IL
- Location: 41.9848° N, 89.5804° W: Placed by OpenAirDocs: center of Polo, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9848&lon=-89.5804&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report September 14, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135243
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK79X0112
- Page: https://openairdocs.org/ntsb/UNK79X0112

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1727  79/7/13    POLO,IL             GRUMMAN AA-5B       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 131
        TIME - 1135                    N28411              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RADIO RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          MOLINE,IL                   POLO,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DITCHES                                   LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
```

## Aircraft

- Registration: [N28411](https://openairdocs.org/deregistered/N28411-2017-05-15), registration cancelled 2017-05-15, S/N AA5B0596, built 1977 (OpenAirDocs)
- Reported make and model: GRUMMAN 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: Radio Ranch

## 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 19790713019779A](https://openairdocs.org/incident/19790713019779A), Jul 13, 1979: Gulstm AA5B, Polo, IL, Substantial damage. Pilot attempted go-around with full flaps. Acft hit embankment off departure end of runway.

## Other investigations on N28411 (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 MIA79F1D09](https://openairdocs.org/ntsb/MIA79F1D09), Oct 27, 1978: Grumman AA-5B (N28411), Vero Beach, FL, 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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