The
Nizhegorodsky teplokhod shipyard in Nizhny Novgorod laid the keels of
two big survey boats of project 23040G for the Russian Navy, the press
service of the defense ministry said. "The boats are scheduled
to be handed over to the Russian Navy after all tests in 2017. Another
four boats, two a year, will be built in 2017 and 2018," it
said. The keel laying ceremony was attended by Captain 1st rank Sergei
Travin, the head of the navigation and oceanography department of the
Russian defense ministry. |
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The boats are designated for precise mapping of bottom configuration
to upgrade navigational charts and servicing navigational medium-size
floating craft with displacement of up to 2 tons and a length of 6.5
meters. To increase manoeuvrability the boats are equipped with double
crankshaft engines with fixed pitch propellers and transverse bow propellers.
They can sail for unlimited time at small speeds of 4-6 knots.
The boats have a modern integrated bridge system which provides to the
navigator all the necessary information from the bow and stern control
posts. By guiding the vessel from the stern the navigator can control
the streaming and withdrawal of navigational floating means by the deck
crew and simultaneously maneouvre and monitor the surface situation
through radars and automatic information systems which supply data to
the electronic navigation chart on the monitor.
The boats have a hydrographic complex for sea bottom mapping and searching
for navigational threats. It includes multi-beam and single-beam echo-sounders,
side-scanning sonar, and high-precision coordinates location system
and a tide register.
The survey of the bottom is controlled from the hydrographic post in
the conning room.
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