THE ACFT CRASHED IN CAPE COD BAY DURING A NIGHT X-COUNTRY FLT. TWO SECTIONS OF WOODEN WING IDENTIFIED AS FROM THE SAME MAKE AND MODEL AS THE MISSING ACFT WERE RECOVERED FROM THE BAY DURING THE 3 DAYS FOLLOWING THE FLT OF THE ACFT. OTHER IDENTIFIED PARTS OF THE ACFT WERE RECOVERED DURING THE NEXT TWO WEEKS BUT THE MAJOR PORTION OF THE WRECKAGE AND ITS 3 OCCUPANTS HAVE NOT BEEN RECOVERED. THE WEATHER WAS VMC AND THE ACFT WAS ON THE RETURN LEG OF A TRIP FROM BOSTON TO PROVINCETOWN THAT STARTED ON THE MORNING OF SEPT 11TH. THE PLT AND HIS BRIDE HAD BEEN IN BOSTON FOR 4 DAYS ON A HONEYMOON TRIP. THE ACFT DID NOT RETURN TO BOSTON AND THE COUPLES ROOM WAS NOT DISTRUBED AFTER THEY DEPARTED ON SEPT 11TH. THE ACFT MADE NO KNOWN RADIO CALLS ON THE RETURN FLT. THE COAST GUARD SEARCHED FOR TWO DAYS AFTER THE FIRST MISSING PARTS WERE FOUND ON SEPT 12TH AND AGAIN ON OCT 4TH WHEN MORE WRECKAGE WAS RECOVERED.