HELENA, Mont. (AP) — Montana authorities have confirmed a small airplane made an emergency landing on Highway 12 after it began losing fuel.

Helena Independent Record reported Tuesday that Lewis and Clark County Sheriff Leo Dutton says there were no structural or personal damages.

Authorities say they were responding to a report of a highway plane landing near East Helena Tuesday.

Dutton says the plane departed from Helena Regional Airport and was on its return flight when the aircraft began indicting fuel loss about 21 miles (34 kilometers) from the airport.

Pilot Max Dorsi told authorities that he had fuel when he left, but the drain valves were stuck causing fuel to drain.

Authorities say the plane was refueled and flown back to Helena that same day.

Dorsi declined to comment.

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Information from: Independent Record, http://www.helenair.com