Largest aircraft, delta-wing
- Who
- Avro B2 'Vulcan'
- What
- 1038 kilometre(s) per hour
- Where
- United Kingdom
- When
- 1955
The RAF's Avro B2 'Vulcan' delta-wing nuclear bomber had a wingspan of 33.8 m (111 ft) and had a top speed of 1,038 km/h (645 mph) thanks to its four Bristol Siddeley Olympus 201 engines. The B2 version of the Vulcan first entered service in 1958 and the last was retired by the RAF in 1986.