SEA79FA006

NTSB accident investigation · Grum Amer AA-5B · Roche Harbor, WA · October 21, 1978

Accident · FatalClosed
Date
October 21, 1978
Place
Roche Harbor, WA · ROCHE HARBOR, WA
Injuries
4 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N28924Grum Amer AA-5B
Status
Completed · report November 16, 1978
Report
Brief approved by the director
FAA report
19781021033599A
Case key
138977

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
----------------------------------------------------------------------------------------------------------------------------
3-2914  78/10/21   ROCHE HARBOR,WA     GRUM AMER AA-5B     CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 59, 117
        TIME - 2030                    N28924              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 54 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ROCHE HARBOR
        DEPARTURE POINT             INTENDED DESTINATION
          ROCHE HARBOR,WA             EVERETT,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - FOG
           WEATHER - OBSTRUCTIONS TO VISION
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       45
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- WITNESSES STATED LCL WX AS HIGH THIN OVCST,PATCHY FOG OR SCUD MOVING IN FM EAST,NO MOON VISIBLE.

Aircraft

Registration
N28924
Reported as
Grum Amer AA-5B
Category
Airplane
Engine
reciprocating
Damage
Destroyed
Airport
Roche Harbor

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.