# NTSB DEN70A0005: Navion A, N4253K, Huntsville, UT, July 18, 1969

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 18, 1969
- Place: Huntsville, UT · HUNTSVILLE, UT
- Location: 41.2588° N, 111.7754° W: Placed by OpenAirDocs: center of Huntsville, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2588&lon=-111.7754&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal, 2 serious
- Status: Completed, report September 22, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 170223
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70A0005
- Page: https://openairdocs.org/ntsb/DEN70A0005

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2380  69/7/18    HUNTSVILLE,UT       NAVION A            CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 30, 268
        TIME - 1933                    N4253K              PX-  1  2  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 72 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      10000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      85
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          110                                                       9
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- EXCEEDED ACFT CAPABILITIES IN ATTEMPT TO CLIMB OUT OF CANYON WITH DEN ALT OF 12500FT/156LBS OVR WT
```

## Aircraft

- Registration: [N4253K](https://openairdocs.org/deregistered/N4253K-1974-07-25), registration cancelled 1974-07-25, S/N NAV-4-1253, built 1948 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [North American NAVION](https://openairdocs.org/model/north-american-navion) (registry code 6150130) (OpenAirDocs)
- Category: Airplane
- 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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