6 months after Burma bought 3 Romeo class submarines (in 1989).A refugee boat was sunk in Ayutthaya Waters. The navy have been working for 30 months to upgrade all new weapons ans systems. now she have Active Search/Attack Sonar and ASW Weapons
Ayutthaya Yarinda Class 1992 ASW Corvette
-Replace AN/SPS 6C Air Search radar with 1xThales LW04 Air/Surface Search radar
-Install 1xThales WM28 mod.61 fire control radar
-Install 1xKoden MDC-2220 x-band navigation radar 25 kW (2009)
-Replace Hedgehog MK11 with 1xBofors Quad 375mm Anti submarine rocket launcher
-Install 1xOto Melara 76/62 mm compact gun
-Install1xBreda/Bofors Type 564 40/70 gun (old part)
-Install 2xMk32 3-tube torpedo launchers for Mk46 torpedoes
-Install 2xMK-141 Launcher for 4to8xHarpoon anti-ship missiles
-Install 1 x1.5tons Crane (Option 1xRHIB Boat between 2 torpedo launchers)
-Install 1xAtlas DSQS-21C Sonar
-Install 1xESM Elettronica ELT 211
-Install 2xECM noise jammer Elettronica ELT 318
-Install 2xRheinmetall MASS Decoy systems (2000)
-install 1xSatcom (2002)
-install Link11 (2000)