# NTSB DEN72FTM02: N.American Navion, N8984H, Ephraim, UT, July 24, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 24, 1971
- Place: Ephraim, UT · EPHRAIM, UT
- Location: 39.3591° N, 111.5860° W: Placed by OpenAirDocs: center of Ephraim, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.3591&lon=-111.5860&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 1 minor
- Status: Completed, report March 13, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162973
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN72FTM02
- Page: https://openairdocs.org/ntsb/DEN72FTM02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2729  71/7/24    EPHRAIM,UT          N.AMERICAN NAVION   CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 39, 539
        TIME - 1150                    N8984H              PX-  0  1  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 382 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DELTA,UT                    DENVER,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- HIT MTN RIDGE APRX 10400FT MSL,DENSITY ALT APRX 14000FT.
```

## Aircraft

- Registration: [N8984H](https://openairdocs.org/deregistered/N8984H-1972-05-05), registration cancelled 1972-05-05, S/N NAV-4-984 (OpenAirDocs)
- Reported make and model: N.AMERICAN NAVION
- Registry model: [North American NAVION](https://openairdocs.org/model/north-american-navion) (registry code 6150130) (OpenAirDocs)
- Category: Airplane
- 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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