Document Number (FOIA) /ESDN (CREST):
CIA-RDP78T05698A000300010015-8
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Sanitized Copy Approved for Release 2011/08/17: CIA-RDP78TO5698A000300010015-8
Sanitized Copy Approved for Release 2011/08/17: CIA-RDP78TO5698A000300010015-8
Sanitized Copy Approved for Release 2011/08/17: CIA-RDP78T05698A000300010015-8
DISSEMINATION CONTROL ABBREVIATIONS
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Sanitized Copy Approved for Release 2011/08/17: CIA-RDP78T05698A000300010015-8 -
Sanitized Copy Approved for Release 2011/08/17: CIA-RDP78TO5698A000300010015-8
National op
Photographic
Interpretation
Ce nter
IMAGERY INFORMATION REPORT
NEW CLASS OF SOVIET HYDROFOIL PATROL CRAFT (KOLPINO A)
Three units of a new class of hydrofoil patrol craft (NPIC Interim
Designator Kolpino A) were seen under construction at Kolpino Shipyard
Middle Neva, USSR Unit 1 was fitting-out
along the quay (Figure 1) and units 2 and 3 were under construction on
the open buildingways (Figure 2).
These ships are lapproxi-
mately the size of a TURYA hydrofoil submarine chaser (PCH). A large
unidentified weapons position, was seen on the bow area
on the first unit. These dimensions are significantly larger than those
of the twin 25mm antiaircraft gun on the TURYA PCH. A large unidentified
housing, was on the aft portion of all three units. This
housing appears to be twin peaked and canted aft. The width of the forward
edge is 8.1 meters and of the aft edg A rounded possible
electronics position was just aft of the housing.
The superstructure differs from the TURYA PCH; the visible portion is
T-shaped an No torpedo tubes were apparent. Portions
of hydrofoils were visible on two units.
This is the third new class of hydrofoil patrol craft developed by the
Soviet Union in less than two years. The SARANCHA PGH (PETR B) was first
observed with hydrofoils and the 497B was
seen The KOLPINO A is the only one of these
combatants observed in series production.
25X1
25X1
25X1
25X1
Top sec, at IIR-015/77
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