LAX70AL052

NTSB accident investigation · Piper PA-28 · Summit, CA · March 4, 1970

Accident · FatalClosed
Date
March 4, 1970
Place
Summit, CA · SUMMIT, CA
Injuries
4 fatal
Damage
Destroyed
Phase of flight
Uncontrolled descent
Aircraft
N9128WPiper PA-28
Status
Completed · report August 4, 1970
Report
Brief approved by the director
Case key
141236

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0607   70/3/4    SUMMIT,CALIF        PIPER PA-28         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 22, 406
        TIME - 1336                    N9128W              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 32 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LA  VERNE,CALIF             LAS VEGAS,NEV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           WEATHER - DOWNDRAFT,UPDRAFTS
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     120
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           40                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
         FIRE AFTER IMPACT
        REMARKS- ENCOUNTERED HIGH VELOCITY DOWNDRAFTS DURING LOW  ALTITUDE FLT IN MT PASS.

Aircraft

Registration
N9128W
Reported as
Piper PA-28
Category
Airplane
Engine
reciprocating
Damage
Destroyed

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.