| Tulln-Langenlebarn Airfield Circuit | |
| Location: | Tulln an der Donau, Lower Austria, Austria |
| Time: | CET (UTC+1) CEST (DST) |
| Capacity: | 20,000 |
| Events: | European Formula Two Championship (1967–1971) |
| Layout1: | Full Circuit (1966–1971) |
| Surface: | Concrete |
| Length Km: | 2.864 |
| Length Mi: | 1.780 |
| Turns: | 7 |
| Record Time: | 1:01.600 |
| Record Driver: |  François Cevert |
| Record Car: | Tecno TF70 |
| Record Year: | 1970 |
| Record Class: | F2 |
Tulln-Langenlebarn Airfield Circuit was a former airfield circuit located on the Brumowski Air Base in Tulln an der Donau, was northwest of Vienna.[1]
The circuit was opened in October 1966 for national sports car race, then it also hosted races of European Formula Two Championship until September 1971. The circuit was closed due to the venue change of Formula Two race in 1972 to Österreichring.
The circuit was airfield circuit like the Zeltweg Air Base, and it had concrete surface, it had long start-finish straight and minimum width of .
The fastest official race lap records at the Tulln-Langenlebarn Airfield Circuit are listed as:
| Category | Time | Driver | Vehicle | Event |
|---|---|---|---|---|
| Full Circuit: 2.864 km (1966–1971) | ||||
| 1:01.600[2] | 1970 Tulln European F2 round | |||
| 1:12.820[3] | 1966 Flugplatzrennen Tulln-Langenlebarn | |||
| 1:20.750[4] | 1966 Flugplatzrennen Tulln-Langenlebarn | |||