1. NAVAL ACTIVITY IN LENINGRAD AND VENTSPILS 2. POSSIBLE AMPHIBIOUS LANDING PROCEDURE OBSERVED IN THE GULF OF RIGA

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80T00246A039401010001-2
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 11
• Document Creation Date: December 22, 2016
• Document Release Date: May 5, 2010
• Sequence Number: 1
• Publication Date: January 13, 1958
• Content Type: REPORT

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..
. ? ~ ? ? N A ? ? t .
CENTRAL INTELLIGENCE AGENCY
This material oontataa information afteotiag the National Defense of the IIaited States within the meaning of the Espionage Laws, Tilde
10, 1J.B.0. Bea. 71i9 and 7Pb the transmisdon or revelation of which 1a any manner to as unsuthorlaed person !e prohibited by 25X1
USSR (Baltic Sea and Gulf of Finland)
SUBJECT 1. Naval Activity in Leningrad and DATE DISTR.
Ventspils
2. Possible Amphibious Landing Procedus'~IO.PAGES
Observed in the Gulf of Riga REQUIREMENT
NO.
DATE OF
INFO.
PLACE &
DATE ACQ.
Attachment
Description
Sighting in Leningrad'"of six W-class
submarines
and one SKORYY-
c ass s rove Also
observed was a 350-ton barge
Describes alleged violation of Navigation
Act by - -
trol
Sighting of a new
Soviet 8000 DWT cargo vessel in Leningrad
which was loading. `what was possibly,
lead ores Notes heavy barge traffic
through Morskoy Kanal~
Sighting in Ventspils of KRONSHTADT-class
fi i'i~ CYi 15 E~ e 3 ~
possible T-301 mine ~yrer~'?
wo su ar nest
? two P- -class speed boats;
and three auxiliary vessels,
STATE
(Notes
ARMY
NAVY AtR
Washington distributan indkated by "X"J Field distribution by "#".)
13 January 1958
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REFERENCES~ROG.~~~J+'1~1~ '`Qp'Y'
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Sighting in Yerrtspils of two possible
Q-class submarines
eight KROftSHTADT-class subchaser
class minesweeper
Si hti~ in Yei i of two submarinest
and several
subchasers~ o
Also observed was a
shore based radar installation.
Detailed description of an appareAt
amphibious landing exercise in the Gulf
of Riga off 1Karkgrafen (Mersragaciems,
N 57-2; E 23-07 ); in .which five landing
craf t, six fishing luggers~, and. one
RIGA-class escort vessel participatedo
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~/ N w~T...r~(/y.. f..i
2. ~_M~HCHANT_~~3S~L8Z
A o?mparatltely new Rutaia~ Qargo e?aao.I. of app~oa.
8040 t.d.v. waa lying at tha ~raat and of thf quay
at RAZD1'ELNAYA DAMBA loading a golden brmxn aubatan?a
from an enormous pile ~ th? auag.
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Barg~a heavily loaded with ore and nand arrived ~
t!?oa rve~ry day from 140~8~4'~ CA~tAL and unloadid at the
pier batr~aan tht Qanal and BAR4C ~A3s~FAi. Farther
along the pl~r war. bode bra at aand.
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sul~carine chaaer~ of the
~L~~ aeG en ere en sp 1.s iarbaar and anchor north of the
pontoon bridge.
the afternoon, submarine oh
~+as no longer seen there, In
ed at the same pleoe,
veasa~.sl presuc~ably submarine
c oera of he KEtON?TA17T C1 ea, as Weld. as minelaying boats
presumably of the T-301 Class, rare
ear n e arbor o2" Ventapil.a o
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submarines were berthed 25X1
in the harbor. Furthermore txo s ed ~a s, ype and auxiliary
?esaels mere identified,
C . t Of the ura~.ts mentioned ? the tray KRONBTADTa
have already been identified in Ventspils
r~sported tea be submarine chasers, are believed
to be vessels of the T~.~1 Class
u a ne c seers ?2 t A!S
have Blot azyeeArac3
Auxilia yeas e~aas obaervec~ for the first time.
re,vesaels of T-301 Glass; they have belonged to
the harbor occupe,tion of ~pents~ila for c~ulte some timed
SkI;~, a~ .- U ~ S . 0~'FiC J'AI,S ONLY
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Ar: c~aate:~ted source
a u~iit consisting of 1 frigate tyre
A, ~.z~.nd .e~; c~?,~^'~c ani' a t'iah loggers was at position 57025'N,23?50'E
atn th? Gulf ~rf Ri;;t~ on c~~u~?'~ea 3~D?, making 8 knots, The unit ran
in the follo~ricag f~+rcnatR.L;r~; 3 landing cz?aft at the head, 1 landing
~~raft stepped. aft to~rd Ht?ax?hoa-rd, 3 ~.a,nding Draft stepped aft
toward portside anc3~ in ?~he tpraah of the landing craft at the head
and, about in lin? witf~ `:?~e ~.ft landir-g cra~'t at portaide, the
2'rigate of th.e 13IGA '~~rv . Si;; fis~i loggers forming double line
rshead followed he RIG? ray; aii~ int~ral of about 900 meters, The
.landing craft ran g4:, clc~; ~ foraation, k?eping a boat' a length distance
between each o~t`~2ez? , Tfie ,r'~ l.i~wi:~g details were learned on the RIGA:
uontinuoua deck line ~~.t?~ t1ie forecastle raised very high and
oonanicuouslS :~ raked st~r~i; taro superimposed guns mounted oA the
f~ecast~.e ae?cl anther ~.?r~ ~~n the quart?r deck; square bridge tirith
.tripod mast an~i, ~.t?f~? 8 ~aH compact stack, a free space, and
then low deck sixp~?str~:~:~~~saros wt.tAi chart po3.e mast and thin stack
cXoaely drawn ?~ mKS?~o '1"zc :landir~ craft were deaoribed as follova:
- ;aq~:erg Shape w~.th raked Rxr.M trap which prAtruded over the ship' a
wall; they wc~ s apA~`p]eilr~c= 4~~y 3~3 meters long, of identical type and
not mire than ~ p~ce~t ::.oFxdad ~ 'Phi: six ~'iah loggers oorrespond to
'the standard ty~ ?~ic~. -: