The ''Chao Phraya''-class frigate (also referred as Type 053HT and Type 053HT (H)) is a version of the Chinese-built
Type 053H2 frigate operated by the
Royal Thai Navy
The Royal Thai Navy ( Abrv: RTN, ทร.; th, กองทัพเรือไทย, ) is the naval warfare force of Thailand. Established in 1906, it was modernised by the Admiral Prince Abhakara Kiartiwongse (1880–1923) who is known as ...
.
Design
''Chao Phraya'' class has a length of , a beam of , a draught of and displacement of standard and at full load. The class has two shafts and powered with four MTU 20V1163 TB83 diesel engines with . The ships has a range of while cruising at and top speed of . ''Chao Phraya'' class has a complement of 168 personnel, including 22 officers.
The Type 053HT subclass are armed with two 100 mm/56
Type 79 twin-barreled guns, each on the fore and aft of the ship, and four 37 mm
Type 76 twin-barreled guns. For anti-submarine warfare, the ships is equipped with two
Type 86 anti-submarine rocket launchers and two BMB
depth charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive hydraulic shock. Most depth charges use ...
racks. For surface warfare, the ships is equipped with eight
C-801
The YJ-8 (; NATO reporting name: CSS-N-4 Sardine) is a Chinese surface-launched subsonic anti-ship cruise missile. It is manufactured by the China Aerospace Science and Industry Corporation (CASIC) Third Academy.Gromley et al.: page 101
The YJ- ...
anti-ship missile launchers.
Type 053HT (H) subclass has slightly different weaponries, with the aft 100 mm twin-barreled gun replaced with flight deck facility and able to carry a single helicopter.
As built, the class sensors and electronics consisted of
Type 354 Eye Shield air/surface radar, Type 352C Square Tie surface search radar,
Type 343 Sun Visor fire control radar for 100 mm guns,
Type 341 Rice Lamp fire control radar for 37 mm guns, Racal-Decca 1290 A/D ARPA and Anritsu RA 71CA Navigation radar, Type 651
IFF
In logic and related fields such as mathematics and philosophy, "if and only if" (shortened as "iff") is a biconditional logical connective between statements, where either both statements are true or both are false.
The connective is bicondi ...
, Type ZKJ-3 or STN Atlas mini COSYS combat management system, Type SJD-5A sonar,
ESM Type 923-1 intercept,
ECM
ECM may refer to:
Economics and commerce
* Engineering change management
* Equity capital markets
* Error correction model, an econometric model
* European Common Market
Mathematics
* Elliptic curve method
* European Congress of Mathematics
...
Type 981-3 deception jammer and two Type 945 GPJ
chaff launchers.
The two Type 053HT (H) ships, ''Kraburi'' and ''Saiburi'', underwent modernization program in 2009. The upgrade includes replacement of old weapons and electronic systems with newer systems, which consisted of 100 mm/56
Type 79A twin-barreled gun and its TR47C fire control radar with FCU17C-2 calculator system, Poseidon III combat management system replacing the old ZKJ-3, 37 mm
Type 76A twin-barreled remote-controlled guns with the TR47C fire control radar with FCU17C-1 calculator system, ESM ES-3601-10 replacing the Type 923-1 and Type 981-3 systems, SR-60 air/surface radar, and the installation of new
C-802A
The YJ-83 (; NATO reporting name: CSS-N-8 Saccade) is a Chinese subsonic anti-ship cruise missile. It is manufactured by the China Aerospace Science and Industry Corporation Third Academy.Gromley et al.: page 101
Description
The YJ-83 uses ...
anti-ship missiles.
In August 2020, Royal Thai Navy planned to modernizes the two Type 053HT ships, ''Chao Phraya'' and ''Bangpakong'' to have similar capabilities to a modern
offshore patrol vessel
A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and the ...
. The planned upgrade includes replacing the 100 mm guns with
76/62 automatic guns and all four 37 mm guns with a rapid-fire 30 mm autocannon, along with new combat management systems and surveillance systems.
Ships in the class
References
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External links
Frigate classes
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