Tulln-Langenlebarn Airfield Circuit
Tulln-Langenlebarn Airfield Circuit was a former airfield circuit located on the Brumowski Air Base in Tulln an der Donau, was northwest of Vienna.
The circuit was opened in October 1966 for a national sports car race, later it also hosted races of the European Formula Two Championship until September 1971. The circuit was closed due to the venue change of the Formula Two race in 1972 to Österreichring.
The circuit was an airfield circuit like the Zeltweg Air Base, it had a concrete surface, a long start-finish straight and a minimum width of.