KAZAN, April 25. /TASS/. Russia’s Zelenodolsk Shipyard in the Volga area has built the third Project 11661 Gepard-3.9-class frigate for the Vietnamese Navy, shipyard spokesman Andrey Spiridonov told TASS on Monday.

The frigate will be put afloat on April 27 to undergo running trials, the spokesman added.

"The shipyard has completed the construction of a Gepard-3.9-class frigate for the Vietnamese Navy. The vessel will be floated out on April 27," Spiridonov said.

According to him, the ceremony of floating out the frigate will be attended by the Vietnamese Navy’s delegation.

"The Vietnamese delegation has arrived today to view the ceremony. Representatives of Russia’s arms exporter Rosoboronexport will also take part in the ceremony," the spokesman said.

The Zelenodolsk Shipyard delivered the first two Gepard-3.9-class frigates to the Vietnamese Navy in 2011. After that, Vietnam signed a new contract to receive another two Project 11661 frigates.

The construction of the fourth Project 11661 frigate is nearing completion at the Zelenodolsk Shipyard.