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RKK EnergiyaSoyuz-545/1, Baikonur Cosmodrome, Republic of Kazakhstan

Demo Flight

Launched

April 30, 2026 · 18:00 UTC

Launch Successful

Image: Roscosmos

Summary

Demo Flight launched on a RKK Energiya Soyuz-5 from 45/1, Baikonur Cosmodrome, Republic of Kazakhstan on April 30, 2026 at 18:00 UTC. The launch window ran from 11:00 to 21:00 UTC. It was RKK Energiya's 1st launch and 1st this year. It was the 1st Soyuz-5 flight. The payload was bound for Suborbital (Sub).

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Vehicle
Soyuz-5 · RKK Energiya
Booster
No booster details on record.
Mission
Test Flight · Suborbital (Sub)for RSC, RFSA
Milestone
1st Soyuz-5 flightRKK Energiya's 1st launch1st this year

Webcast

Replay
Watch on YouTube

Flight preview

About this launch

Demonstration Flight for Russia's new Soyuz-5 launch vehicle, with a mass simulator on board. The launch was suborbital with the simulator splashing down in the Pacific Ocean.

Pad

Map of 45/1

45/1, Baikonur Cosmodrome, Republic of Kazakhstan

47th launch from 45/1, 1st this year · 1,563rd from Baikonur Cosmodrome, Republic of Kazakhstan

Local pad time at liftoff: Apr 30, 11:00 PM GMT+5, at night

47 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan

about 8 years after the previous launch from this pad

All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps

Updates

Official Webcast by Роскосмос ТВ has started

LL2 · Apr 30, 2026 · source

Show 9 earlier updates

  • Launch success.

    Cosmic_Penguin · 4/30/2026 · source

  • Launch window extended, awaiting updates.

    Cosmic_Penguin · 4/30/2026 · source

  • Scrubbed for the day.

    Cosmic_Penguin · 4/29/2026 · source

  • Probable countdown recycle to end of launch window today.

    Cosmic_Penguin · 4/29/2026 · source

  • Reported delayed by 24 hours.

    Cosmic_Penguin · 4/29/2026 · source

  • Possible launch attempt on April 29, TBC.

    Cosmic_Penguin · 4/29/2026 · source

  • Reverted back to April TBD.

    Cosmic_Penguin · 4/26/2026 · source

  • NET April 26, TBC.

    Cosmic_Penguin · 4/24/2026 · source

  • Reverted back to NET April TBD due to lack of new launch attempt information.

    Cosmic_Penguin · 4/4/2026 · source

Questions

When did Demo Flight launch?

Demo Flight launched on April 30, 2026 at 18:00 UTC. The launch window ran from 11:00 to 21:00 UTC.

Where can I watch Demo Flight?

Coverage: Экспертный комментарий пуска ракеты «Союз-5». Watch the replay

What rocket launched Demo Flight?

Soyuz-5, flown by RKK Energiya. Soyuz-5 spec sheet

Where did Demo Flight launch from?

45/1, Baikonur Cosmodrome, Republic of Kazakhstan. Liftoff was Apr 30, 11:00 PM GMT+5 local time at the pad.

What orbit was Demo Flight going to?

Suborbital (Sub), a test flight mission.