RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE CRUISING ON PLANE NORTHBOUND IN THE WATERWAY. AS VESSEL 1 WAS UNDERWAY IT EXPERIENCED A MECHANICAL MALFUNCTION AS THE HYDRAULIC STEERING BROKE. VESSEL 1 TURNED SHARPLY TO THE STARBOARD EJECTING BOTH OCCUPANTS OUT OF THE PORT SIDE OF VESSEL 1. OPERATOR 1 DID WEAR THE SAFETY LANYARD, BUT IT FAILED TO TURN VESSEL 1 OFF AS THEY WERE EJECTED (because it slipped over his wrist). OPERATOR 1 WAS STRUCK BY THE VESSEL 1'S PROPELLER AS IT CIRCLED. PASSENGER 2 DID NOT SUSTAIN ANY INJURIES AND VESSEL 1 DID NOT SUSTAIN ANY DAMAGE.