Proton-M/Briz-M carrying the Ekspress-AM4R communications satellite failed nine minutes after liftoff from Baikonur when the third-stage vernier engine failed from turbopump vibration, destroying the satellite - a replacement for an AM4 lost in a 2011 failure.
- Outcome
- Failure
- Payload to orbit
- Did not reach orbit
- Flight
- 42nd
- of 68 Proton-M Briz-M flights
- Date and time
- 15 May 2014, 21:42 UTC
- Rocket
- Proton-M Briz-M
- Builder
- Khrunichev
- Launch site
- 200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Unknown
- Launches in 2014
- 26th of 92