# NTSB MKC67F0190: Vollmer VJ-22, N4634T, Waubun, MN, July 10, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 10, 1966
- Place: Waubun, MN · WAUBUN, MN
- Location: 47.1839° N, 95.9401° W: Placed by OpenAirDocs: center of Waubun, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.1839&lon=-95.9401&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 30, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 122863
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67F0190
- Page: https://openairdocs.org/ntsb/MKC67F0190

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3223  66/7/10    WAUBUN MINN         VOLLMER VJ-22       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 800
        TIME - 1500                    N4634T              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      90
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N4634T](https://openairdocs.org/deregistered/N4634T-2013-03-18), registration cancelled 2013-03-18, S/N 19, built 1963 (OpenAirDocs)
- Reported make and model: VOLLMER VJ-22
- Registry model: [Volmer VJ22](https://openairdocs.org/model/volmer-vj22) (registry code 95702J3) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: 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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