# NTSB MKC72FER26: Knutson B8M, N34DK, St.Paul, MN, November 13, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 13, 1971
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report February 14, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163483
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FER26
- Page: https://openairdocs.org/ntsb/MKC72FER26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2078  71/11/13   ST.PAUL,MINN        KNUTSON B8M         CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 36, 2013
        TIME - 1055                    N34DK               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LAKE ELMO,MINN              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- STALLED FROM STEEP TURN. 13 HRS IN TYPE.
```

## Aircraft

- Registration: [N34DK](https://openairdocs.org/deregistered/N34DK-1972-05-01), registration cancelled 1972-05-01, S/N 1 (OpenAirDocs)
- Reported make and model: KNUTSON B8M
- Registry model: [Bensen-Knutson B8-M](https://openairdocs.org/model/bensen-knutson-b8-m) (registry code 130079V) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed

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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