RedactedNarrative: On 2/11/22, Operator was traveling from Las Vegas Bay to Boulder Basin traveling at approximately 50mph. Operator was traveling around the point on Saddle Island between Saddle Cove and Moon Cove at approximately 1102 hrs his outboard motor collided with a submerged rock. The engine was dislodged from the transom and set fire. Operator used an onboard extinguisher to put out the flame.