[citation needed] At that point, main mechanical equipment and systems providing safe launching had been installed, including a combined diesel and gas (CODAG) turbine powerplant, gear assemblies, drive shafts and screws, and electric power supply facilities.
[25] In August 2012, the shipyard received loans worth RUB 16.23 billion (US$510 million) from the state-owned Sberbank to facilitate the frigate construction project.
Following the annexation of Crimea by the Russian Federation, Ukrainian industry refused to supply Russia with military technology.
Initial forecasts expected these new engines to be available in 2017–18, allowing ships to be commissioned from 2020;[27] however, after intervention by the Russian government, the plan was brought forward.
[28] In November 2020 it was announced that United Engine Corporation had initiated delivery of the DGTA M55R diesel-gas power plant which would be installed on frigates of the class beginning with Admiral Isakov.
[30] State testing of the Russian shipborne Poliment-Redut 150 km (93 mi) range air defence missile system with a phased array radar for the frigates of 22350 series has been completed, Commander-in-Chief of the Russian Navy Admiral Vladimir Korolyov announced in February 2019.
The Filin fires a beam similar to a strobe light that affects enemy combatants' eyesight, making it more difficult for them to aim at night.
[33] On 30 December 2020 it was reported that Admiral Kasatonov successfully completed acceptance trials of the Otvet anti-submarine missile complex.
[34] On 15 November 2022, General Director of Severnaya Verf Igor Orlov stated that the shipyard would lay down five additional Admiral Gorshkov-class frigates.
The Project 22350M frigates are believed to incorporate increased number of VLS cells for combination of 48 or 64[37] Kalibr, Oniks and Zircon anti-ship cruise missiles while displacing about 7,000 tons.
[42] On 30 December 2021, it was reported that the Amur Shipyard was preparing to sign a contract for the construction of six frigates for the Pacific Fleet, likely of the Admiral Gorshkov class.