RedactedNarrative: V1 WAS MANEUVERING TO DOCK WHEN WIND PUSHED V1.  OPERATOR OF V1 BACKED UP TO STRAIGHTEN AND WHEN SHIFTED FORWARDED, ENGINES CUT OUT CAUSING V1 TO BACK INTO V2'S STERN WHILE DOCKED.  V1 HAD PFDS.  NO INJURIES AND ALCOHOL WAS NOT A FACTOR.