A boat caught fire in Mission Bay on Tuesday morning, fire officials said.
Smoke was seen coming from the “Bahia Belle” vessel at about 10:30 a.m.
The boat was in Mission Bay undergoing trials with a new engine when a lifeguard on a nearby boat noticed the black smoke, San Diego Fire-Rescue officials said.
After the captain returned the Bahia Belle to the Catamaran Hotel Dock on Sail Bay, marine firefighters as well as San Diego firefighters found smoke in the engine compartment.
No one was injured.
Fire officials said they suspect oil leaked onto exhaust pipes, triggering it to smoke and flare.