STV-4, a technology test payload on the sole Europa II flight from Kourou BEC for ELDO. Third-stage structural failure after about 150 s destroyed the vehicle short of GTO; final Europa family launch and last flight conducted by ELDO.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- Only Europa II flight
- Date and time
- 5 November 1971, 13:00 UTC
- Rocket
- Europa II
- Builder
- ELDO
- Launch site
- Ariane Launch Area 1 (ELV), Guiana Space Centre, French Guiana
- Payload
- Test Flight
- Launches in 1971
- 105th of 133