UNIT 2 WAS TIED TO THE DOCK AT THE MEGA DOCK AT CITY MARINA. UNIT 1 WAS IN THE PROCESS OF DOCKING. ONE OF UNIT 1'S ENGINES GOT HUNG IN FORWARD GEAR. THE ANCHOR OF UNIT 1 HIT THE STERN OF UNIT 2 CAUSING GELCOAT DAMAGE. THE GELCOAT WAS CHIPPED OUT THE SIZE OF UNIT 1 ANCHOR AND DUG INTO THE FIBERGLASS. GELCOAT COULD STILL BE SEEN ON THE ANCHOR OF UNIT 1 WHEN OFFICER ARRIVED ON SCENE.