Frans Sales Lega Airport or Ruteng Airport (IATA: RTG, ICAO: WATG) is an airport located in Ruteng, Manggarai regency, East Nusa Tenggara, Indonesia. The runway measures 1,300 x 30 m. The airport is about 2 km from the city center.

The airport used to be called Satar Tacik Airport. The name change was contained in the Decree of the Minister of Transportation KP No.190 of 2008 dated 4 April 2008. The name was changed to acknowledge the services of the late Frans Sales Lega (id) who initiated the establishment of the airport.