launched from Russia

Intelsat 27

Failure
FEB 01201306:56:00 UTC

First stage failure, impacted ocean at 40 seconds after launch. Accident caused by failure of the first stage hydraulic power supply unit pump at T3.9s, which lead to loss of engine gimbal control.

launched from Ocean Odyssey Sea Launch

aboard Zenit 3SL into GSO

Payload

Intelsat 27

Communications

last updated Apr 28, 2026