Auxilliary vessels, Special-purpose and minor naval ships

Mir wrote:

Krepost wrote:RAPTOR and BK-16 next to each other

Still a mystery to me why they opted for both the designs that are almost identical?

It is puzzling but the Russian Navy designates the Raptor as a Patrol Craft and the BK-series as Landing Craft if that helps.

Yet here we can see both versions ready to land troops

Well maybe it is money or politics, or perhaps they are both good for specific things that don't overlap so it makes sense to use both.

Or maybe it is production capacity.

The Mi-28NM and Ka-52M are both being produced though they are probably different enough to warrant both aircraft being used where the latter is a scout helicopter and the Havoc is just an attack helicopter.

Are they both able to be carried internally in larger ships as a mothership arrangement?

Would be interesting to compare their specs side by side...

From what I can see from Rosexport and Wiki they are similar size but the Raptor seems to use US engines and British water jets, which the makers appear to be trying to replace with Russian products.

Small hydrographic vessel "Yakov Lapushkin" project 19910 became part of the Baltic Fleet . The solemn ceremony of raising the flag of the hydrographic service of the Russian Navy took place in Kronstadt today, August 19, 2023.

The ship "Yakov Lapushkin" was built at the Rybinsk shipyard "Vympel". The laying took place on January 22, 2019, launching on May 22, 2022, followed by completion afloat. At the end of September last year, the ship went to pass sea trials and state trials at the commissioning base of the Baltic Fleet in Kronstadt. The acceptance certificate for the ship was signed in early August 2023, although the transfer was originally planned for 2022.

By order of the Commander-in-Chief of the Navy, the small hydrographic vessel was given the name "Yakov Lapushkin" in honor of the Soviet naval figure, navigator, military hydrographer, rear admiral, who headed the hydrographic service of the Navy during the Great Patriotic War - reported in the Ministry of Defense.

"Yakov Lapushkin" is the fifth project 19910 ship built in the interests of the Russian Navy. The vessel is intended for maintenance of navigational equipment, delivery of cargo to the unequipped coast, as well as for research using a multibeam echo sounder. It can work not only in deep sea conditions, but also in shallow water.

Main characteristics: Displacement 1200 tons. The length is 59 meters, the maximum width is 11.4 meters, the height of the side is over 5 meters, the draft is 3.18 meters. Travel speed 12.5 knots. The cruising range is about 3500 miles. Autonomy of navigation over 25 days. Crew of 22 people.

https://topwar-ru.translate.goog/224142-baltijskij-flot-popolnilsja-malym-gidrograficheskim-sudnom-jakov-lapushkin-proekta-19910.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en

Today (1st September 2023) another pr. 21180M icebreaker (intended for the Navy) was laid down at Almaz shipyard in St. Petersburg.

The name is SVYATOGOR.