NAVAL ACTIVITY GULF OF TONKIN AREA, CHINA

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79-00849A000400010002-7
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 6
• Document Creation Date: December 28, 2016
• Document Release Date: March 9, 2006
• Sequence Number: 2
• Publication Date: August 28, 1966
• Content Type: REPORT

06/03/16: CIA-R 02-7
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ATTACHMENT TO L-1630
28 AUGUST 1966
PAGE 1
NAVAL ACTIVITY
GULF OF TONKIN AREA, CHINA
1. SIGNIFICANCE:
FIRST PHOTOGRAPHIC IDENTIFICATION OF SHANGHAI-CLASS PTF AT
PEI-HAI AND HSIN-HSING-SHIH. THE FIRST IDENTIFICATION OF TRAWLER-TYPE
VESSELS AT HSIN-HSING-SHIN,
2. REMARKS:
NONE
3. LOCATION:
PEI-HAI NAVAL FACILITY; LOCATED 1.5 NM WEST OF PEI-HAI, APPROXI-
MATELY 70 NM EAST OF THE CHINA/NORTH VIETNAM BORDER, AT 2129N 10904E.
HSIN-HSING-SHIN NAVAL BASE AND PORT; LOCATED ON THE NORTHWEST
EDGE OF HSIN-HSING-SHIN ON HAI-NAN TAO (ISLAND) AT 1953N 10931E.
4. COLLATERAL:
PEI-HAI NAVAL FACILITIES: DIA INTELLIGENCE SUMMARY 182-66,
5 AUGUST 1966, REPORTS THAT AN UNTESTED SOURCE CLAIMED THAT A UNIT WAS
FORMED RECENTLY, WITH ITS HEADQUARTERS AT PEI-HAI, TO MOVE SUPPLIES
FROM PEI-HAI TO NORTH VIETNAM.
A LAND TRANSPORT UNIT EQUIPPED WITH MORE THAN 400 TRUCKS IS SAID
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re
porting period as indicated by the date of issue, for information concerning these notes contact Chief, Collateral Support
Division, NPIC.
IGA review(s) completed.
Appro a ,,,,q eaea a 2006/03/16 : CIA-RDP79-00849 10002-7
TOP SECRET
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 06/03/16: CIA--RAp`1-9-tfAs?a'9hAAnannnj002-7
ATTACHMENT TO L-1630
28 AUGUST 1966
PAGE 2
TO MOVE SUPPLIES FROM NAN-NING AND CHAN-CHIANG TO PEI-HAI, USUALLY AT
NIGHT. FROM THERE THEY ARE TRANSPORTED BY 2,000- TO 3,000-TON CARGO
SHIPS, ESCORTED BY GUN BOATS, TO NORTH VIETNAM.
THE PRINCIPAL ACTIVITIES AT PEI-HAI HERETOFORE HAVE BEEN FISHING
AND THE CONSTRUCTION AND REPAIR OF SMALL CRAFT, INCLUDING NAVAL
PATROL VESSELS. SHALLOW WATER ALONG THE WHARF PRECLUDES THE LOADING
OF CRAFT LARGER THAN JUNKS, BARGES, AND LIGHTERS. SEVERAL ANCHORAGES
IN THE HARBOR CAN ACCOMMODATE COASTAL AND POSSIBLY SMALL OCEAN-GOING
CARGO VESSELS. THE PORT HAS 406,000 SQUARE FEET OF COVERED, GENERAL
CARGO SPACE, 12 ACRES FOR OPEN STORAGE, AND 3 SMALL POL TANKS.
HSIN-HSING-SHIN NAVAL BASE AND PORT: DEPARTMENT OF DEFENSE
WITH AN ESTIMATED LENGTH OF 100 FEET.
DEPARTMENT OF DEFENSE INFORMATION REPORT
27 JUNE OF TWO CHINESE COMMUNIST ARMED FISHING TRAWLERS (NOS 212 AND 218)
IN THE GULF OF TONKIN AT 1903N 10818E HEADING NORTHEAST. BOTH VESSELS
WERE UNIFORMLY GREY, OF ALMOST IDENTICAL CONSTRUCTION, STEEL-HULLED,
DISCUSSES 5 KNOWN INSTANCES OF LARGE COMMUNIST STEEL-HULLED TRAWLERS
INFILTRATING OR ATTEMPTING TO INFILTRATE SOUTH VIETNAM BETWEEN OCTOBER
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division, NPIC.
Release 2006/03/16 : CIA-RDP79-00849A 0002-7
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ATTACHMENT TO L-1630
28 AUGUST 1966
PAGE 3
1964 AND MAY 1966. ONE OF THESE TRAWLERS, DESTROYED IN MAY 1966, WAS
110 FT IN LENGTH BY 22 FT IN THE BEAM. TWO OF THESE TRAWLERS HAD BEEN
NOTED IN THE HAI-NAN TAO VICINITY.
5. FIRST IDENTIFICATION:
PEI-HAI NAVAL FACILITY;
HSIN-HSING-SHIN NAVAL BASE AND PORT;
6. NEGATION DATE:
NOT AVAILABLE,
7. SUBSEQUENT COVERAGE:
HSIN-HSING-SHDI NAVAL BASE AND PORT 1JAND 3 EH-4 MISSIONS.
8. DIMENSIONS/SPECIFICATIONS:
TWO OF THE TRAWLERS OBSERVED ON THIS MISSION AT HSIN-HSING-SHIH
9. MISSION READOUT:
PEI-HAI NAVAL FACILITY: THIS MISSION REVEALS 2 PROBABLE SHANGHAI-
CLASS PTF. FACILITIES INCLUDE ONE L-HEAD PIER SERVED BY A ROAD FROM
PEI-HAI.
HSIN-HSING-SHIN NAVAL BASE AND PORT: THIS MISSION REVEALS 1
PROBABLE SHANGHAI-CLASS PTF AND 10 TRAWLER-TYPE VESSELS (2 ON MARINE
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division, NPIC.
Approved For Release 2006/03/16 : CIA-RDP79-00849A
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ATTACHMENT T L-1630
28 AUGUST 1966
PAGE 4
RAILWAY). NAVAL FACILITIES INCLUDE ONE BREAKWATER/PIER WITH A FLOATING
FINGER PIER ATTACHED, A 4-TRACK MARINE RAILWAY AND ONE SUPPORT BUILDING
ON AN OFFSHORE MOLE (CONNECTED TO LAND BY A CAUSEWAY), 3 EARTH-COVERED
CAMOUFLAGED PROBABLE STORAGE BUNKERS AND AN EXCAVATION WHICH COULD
ENCLOSE A FOURTH BUNKER, ONE SMALL VERTICAL TANK, 1 WATER TOWER, AND
APPROXIMATELY 50 ASSOCIATED BUILDINGS (2 UNDER CONSTRUCTION).
PORT FACILITIES INCLUDE 2 FINGER PIERS, 2 QUAYS, AND ONE WAREHOUSE.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division, NPIC.
Approved For Release 2006/03/16 : CIA-RDP79-00849A0 002-7
TOP SECRET
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 Approved For Release 2006/03/16: CIA-RMYM- MM010002-7
NAVAL ACTIVITY
GULF OF TONKIN AREA, CHINA