Thanks to all. i have 3 minewarfare vessels in RTN new worklist, and this is the first
M48 Class Coastal Minesweeper
General specifications:
Displacement: 444 tons full load
Length: 48 m
Beam: 9.3 m
Draft: 2.75 m
Propulsion: 2 diesels, 2 shafts, 3,223 bhp
Speed: 18 knots
Crew: 40
Builder: Friedrich Lurssen Werft (Germany)
Sonar: DSQB-11H Hull-Mounted minehunting sonar
Armament: 3xOerlikon GAM-BO1 20mm machine guns
Commission
HTMS Bang Rachan (MSC-631) 1987
HTMS Nongsarhai (MSC-632) 1987
and HTMS Nongsarai mid-life upgrade (Bangrachan class 1937 Minelayer built by Cantieri Riuniti dell'Adriatico)
replace aft 76/40 un by Bofors 40/60 machine gun and replace 2xMadsen 20 mm machine guns by 2xOerlikon 20mm machine guns, built radio room and add navigation radar