# NTSB LAX72FVA21: Navion B, N5179K, Olancha, CA, September 11, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 11, 1971
- Place: Olancha, CA · OLANCHA, CA
- Location: 36.2698° N, 118.0013° W: Placed by OpenAirDocs: center of Olancha, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.2698&lon=-118.0013&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report February 1, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163591
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX72FVA21
- Page: https://openairdocs.org/ntsb/LAX72FVA21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1884  71/9/11    OLANCHA,CALIF       NAVION B            CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 38, 450
        TIME - 1300                    N5179K              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 269 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - TUNNEL MEADOWS
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED         OLANCHA,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
        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                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- 1600FT RWY,DENS ALT APRX 12900FT,HI SINK RATE.FLT MAN TKOF,LDG DIST FOR 8000FT MAX ELEV.GR,WNG DMG
```

## Aircraft

- Registration: [N5179K](https://openairdocs.org/deregistered/N5179K-1975-06-11), registration cancelled 1975-06-11, S/N NAV42079B (OpenAirDocs)
- Reported make and model: NAVION B
- Registry model: [Ryan NAVION B](https://openairdocs.org/model/ryan-navion-b) (registry code 6150170) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Tunnel Meadows

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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