Tulln-Langenlebarn Airfield Circuit

{{Short description|Airfield circuit, Tulln an der Donau, Austria}}

{{Infobox motorsport venue

| Name = Tulln-Langenlebarn Airfield Circuit

| Location = Tulln an der Donau, Lower Austria, Austria

| Time = CET (UTC+1)
CEST (DST)

| Coordinates = {{Coord|48|19|16|N|16|6|43|E|display=inline,title}}

| Image = Tulln-Langenlebarn track layout.png

| Image_caption = Full Circuit (1966–1971)

| Capacity = 20,000

| Opened = {{Start date and age|df=yes|1966|10|02}}

| Closed = {{Start date and age|df=yes|1971|09|12}}

| Operator = {{ill|Österreichischer Automobil-, Motorrad- und Touring Club|de}}

| 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 = {{flagicon|FRA}} François Cevert

| Record_car = Tecno TF70

| Record_year = 1970

| Record_class = F2

|}}

Tulln-Langenlebarn Airfield Circuit was a {{cvt|2.864|km|mi|abbr=on}} former airfield circuit located on the Brumowski Air Base in Tulln an der Donau, was {{cvt|33|km|adj=on}} northwest of Vienna.{{Cite web |title=Tulln-Langenlebarn - Motorsport Magazine |url=https://www.motorsportmagazine.com/database/circuits/tulln-langenlebarn/ |website=Motor Sport Magazine |access-date=13 April 2024}}

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 {{cvt|1.1|km|abbr=on}} long start-finish straight and a minimum width of {{cvt|12|m|abbr=on}}.