OAK78FVD13

NTSB accident investigation · Grumman AA1-B · Concord, CA · January 25, 1978

Accident · Minor injuriesClosed
Date
January 25, 1978
Place
Concord, CA · CONCORD, CA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9952LGrumman AA1-B
Status
Completed · report February 15, 1978
Report
Brief approved by the director
FAA report
19780125000689A
Case key
143545

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
----------------------------------------------------------------------------------------------------------------------------
3-0070  78/1/25  NR.CONCORD,CA         GRUMMAN AA1-B       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 101
        TIME - 1120                    N9952L              PX-  0  0  0  PRACTICE                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BUCHANAN FIELD
        DEPARTURE POINT             INTENDED DESTINATION
         CONCORD,CA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           WEATHER - FOG
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- HIT HILL AFTER DESCENDING BELOW ASSIGNED ALTITUDE WHILE WAITING FOR SPECIAL VFR CLEARANCE.

Aircraft

Registration
N9952L
Reported as
Grumman AA1-B
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Buchanan Field

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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.