# NTSB LAX70FUM07: Piper PA-28, N5808U, Julian, CA, March 25, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 25, 1970
- Place: Julian, CA · JULIAN, CA
- Location: 33.0735° N, 116.5889° W: Placed by OpenAirDocs: center of Julian, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.0735&lon=-116.5889&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report December 7, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 134257
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70FUM07
- Page: https://openairdocs.org/ntsb/LAX70FUM07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1399  70/3/25    JULIAN,CALIF        PIPER PA-28         CR-  0  1  1  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1430                    N5808U              PX-  0  0  0  DUAL                      AGE 42, 2775 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1921 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MASON VALLEY
        DEPARTURE POINT             INTENDED DESTINATION
          SANTEE CALIF                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           WEATHER - SUDDEN WINDSHIFT
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        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                                                      75
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           70                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ARPT RESTRICTED T/O E,LDG W.UN CLR RISING TRRN,CRASH LNDD ON ROCKY GRND.
```

## Aircraft

- Registration: [N5808U](https://openairdocs.org/deregistered/N5808U-2015-05-13), registration cancelled 2015-05-13, S/N 28-26637, built 1970 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mason Valley

## Other investigations on N5808U (1)

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.

- [NTSB WPR13LA262](https://openairdocs.org/ntsb/WPR13LA262), Jun 4, 2013: Piper PA-28-140 (N5808U), Burlington, WA, substantial damage. Probable cause: The failure of the rudder bar assembly during landing due to a fatigue crack. Contributing to the accident was the failure of maintenance personnel to perform an adequate inspection of the rudder bar…

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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