SEA77DYM48

NTSB accident investigation · Buffum Mini Coupe · Willsonville, OR · July 23, 1977

Accident · No injuriesClosed
Date
July 23, 1977
Place
Willsonville, OR · WILLSONVILLE, OR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N75MBBuffum Mini Coupe
Status
Completed · report September 29, 1977
Report
Brief approved by the director
FAA report
19770723022769A
Case key
145850

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
----------------------------------------------------------------------------------------------------------------------------
3-2793  77/7/23    WILLSONVILLE,OR     BUFFUM MINI COUPE   CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 222
        TIME - 0945                    N75MB               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 65 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          EVERGREEN,WA                HUBBARD,OR                   SCAPPOOSE,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
           MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION
           TERRAIN - HIGH VEGETATION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- VW 1600CC ENGINE.LOCK WSHR BROKE AND LOOSENED HOLD DOWN NUT.INTAKE ROCKER DISENGAGED FM PUSH ROD.

Aircraft

Registration
N75MB
Reported as
Buffum Mini Coupe
Category
Airplane, amateur-built
Engine
reciprocating
Damage
Substantial damage

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.

Other investigations on N75MB · 1

Matched to the same aircraft by N-number and date.