Diamant BP4
Diamant family
· built by Société d'étude et de réalisation d'engins balistiques
· maiden flight 1975-02-06
Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-18
The Diamant rocket (Diamant is French for "diamond") was the first exclusively French expendable launch system and at the same time the first satellite launcher not built by either the United States or USSR. As such, it has been referred to as being a key predecessor for all subsequent European launcher projects.
Specifications
21.6 mLength
1.34 mDiameter
18 tLaunch mass
3Stages
396 kNLiftoff thrust
Payload Capacity
160 kgTo LEO
Lifetime Launch Record
As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.
3Total launches
3Successful
0Failed
0Upcoming
Launches Tracked on This Site
3In our archive
100.0%Success rate
Feb 06, 1975 16:35 UTCEarliest tracked
Sep 27, 1975 08:37 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Diamant BP4 | Aura | Sep 27, 1975 08:37 UTC | Success |
| Diamant BP4 | Castor & Pollux | May 17, 1975 10:32 UTC | Success |
| Diamant BP4 | Starlette | Feb 06, 1975 16:35 UTC | Success |