# NTSB OAK71FVG24: Navion A, N484S, Montague, CA, September 22, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 22, 1970
- Place: Montague, CA · MONTAGUE, CA
- Location: 41.7271° N, 122.5305° W: Placed by OpenAirDocs: center of Montague, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7271&lon=-122.5305&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report June 21, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 135284
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71FVG24
- Page: https://openairdocs.org/ntsb/OAK71FVG24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3668  70/9/22    MONTAGUE,CALIF      NAVION A            CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 46, 3030
        TIME - 0630                    N484S               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 275 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KLAMATH FALLS,OREG          FORT JONES,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                                                      45
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- PLT STATED DOWNDRAFT CAUSED LOSS OF CTL FROM 400 FT AGL. WIND CALM. DENSITY ALT ABOUT 8800 FT.
```

## Aircraft

- Registration: [N484S](https://openairdocs.org/deregistered/N484S-1972-02-01), registration cancelled 1972-02-01, S/N NAV-4-2063 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [Ryan NAVION A](https://openairdocs.org/model/ryan-navion-a) (registry code 6150162) (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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