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Welcome to
Thai Nautical Chart and Publication Service webpage,
Hydrographic Department, Royal Thai Navy (HDRTN)


"Hydrographic Department, Royal Thai Navy (HDRTN) proundly release
Electronic Navigational Chart (ENC) Service from now on"

Contact: Navigational Aid Division
Hydrographic Department, Royal Thai Navy
222 Rimtang - rodphaikao Rd. Bangna Bangkok 10260
e-mail : thaichartservice@navy.mi.th / Tel. 0-2475-2278



Hydrographic Department, Royal Thai Navy
222 Rimtang - rodphaikao,Rd. Bangna Bangkok 10260
e-mail : thaichartservice@yahoo.com / Tel. 0-2475-2278

Designed by : LTJG.Tharapun Augsornsri