PALMDALE - A 19-seat de Havilland Twin Otter aircraft with oversized windows for sightseeing touched down Tuesday at U.S. Air Force Plant 42 and taxied to the refurbished terminal of Palmdale Regional Airport. The arrival of the private craft, owned by Las Vegas-based Scenic Airlines, marked the return of air passenger service to and from Palmdale airport. Scenic will initiate its Palmdale-to-Las Vegas service on Dec. 29, offering 10 round-trip flights a week.For the first few weeks, each one-way trip will cost $49 per person. After an introductory period, the one-way cost will increase to $79. Seated on the first...