RedactedNarrative: V-1 WAS ENTERING A NARROW CHANNEL HEADED TO BOAT RAMP. V-2 WAS EXITING BOAT RAMP AREA. AS V-1 APPROACHED V-2, V-1 HAD A THROttLE FAILURE AND WAS UNABLE TO MAINTAIN NEUTRAL. WHEN HE SHIFTED TO EITHER FORWARD OR REVERSE IT WAS AT SPEED. V-1 MADE A TURN TO V-2 AND COLLIDED WITH V-2'S PORTSIDE WITH V-1'S BOW. V-1 RODE UP ON THE GUNNEL CAUSING DAMAGE TO V-2'S TOPSIDE CAP AND SIDE.