Rome, Feb. 4——UP)—Twenty-three army personnel, including three nurses, were killed Friday when a transport plane carrying 26 Ameri can army personnel crashed into a mountainside 60 miles north of Rome. The only uninjured survivor was Lt. G M. Baco, of 211 East 86th st., New York City, who pushed the pilot to safety as flames enveloped the gasoline-soaked wreckage. An enlisted man also survived. The plane, a twin-engined C7 of the U. S. 12th air force, was en route from Florence to Rome. It ran into a dense fog in a river valley a few minutes after taking off.