# NTSB MKC81FCD36: Pietenpol Aircmp, N12939, Blakesburg, IA, August 17, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 17, 1981
- Place: Blakesburg, IA · BLAKESBURG, IA
- Location: 40.9620° N, 92.6347° W: Placed by OpenAirDocs: center of Blakesburg, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.9620&lon=-92.6347&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report October 23, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124443
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC81FCD36
- Page: https://openairdocs.org/ntsb/MKC81FCD36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2204  81/8/17    BLAKESBURG,IA       PIETENPOL AIRCMP    CR-  0  0  2  NONCOMMERCIAL             PRIVATE, AGE 49, 226
        TIME - 0825                    N12939              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 8 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ANTIQUE
        DEPARTURE POINT             INTENDED DESTINATION
          BLAKESBURG,IA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- EACH PLT THOUGHT THE OTHER WAS CONTROLLING THE ACFT.
```

## Aircraft

- Registration: [N12939](https://openairdocs.org/aircraft/N12939), registered now, S/N EMS-2, built 1972 (OpenAirDocs)
- Reported make and model: PIETENPOL AIRCMP
- Registry model: [Sampson PIETENPOL AIRCAMPER](https://openairdocs.org/model/sampson-pietenpol-aircamper) (registry code 7040168) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Antique

## 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 19810817049989A](https://openairdocs.org/incident/19810817049989A), Aug 17, 1981: Amtrpl AIRCAMPER, Blakesburg, IA, Substantial damage. Misunderstanding arose as to who had control of airplane from separate cockpits. Flew into ground at cruise power

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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