Black Arrow R2, Britain's first orbital launch attempt from Woomera carrying the Orba (X-2) atmospheric-density satellite. Second-stage oxidizer pressurization failed so the stage cut off early and Orba reentered over the Gulf of Carpentaria on 2 September 1970.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- of 2 Black Arrow flights
- Date and time
- 2 September 1970, 00:34 UTC
- Rocket
- Black Arrow
- Builder
- Westland
- Launch site
- Launch Area 5B, RAAF Woomera Range Complex
- Payload
- Test Flight
- Launches in 1970
- 76th of 124