Yan Nyein Aung-class submarine chaser

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MN-YNA-class-P-2.jpg
UMS Yan Ye Aung (left) and UMS Yan Nyein Aung (right)
Class overview
Builders
Operators Myanmar Navy
Preceded by49m Stealth FAC(M) class
BuiltMarch 2016-Present
In commission24 December 2020-present
Planned10
Completed2
Active2
General characteristics
TypeStealth submarine chaser/ASW corvette
Displacement600 ton
Length63 m (207 ft)
Beam7.5 m (25 ft)
Draft1.85 m (6 ft 1 in)
Propulsion3 x diesel engines supported by three water jet propulsers
Speed35 knots (65 km/h; 40 mph)
Range1,800 nmi (3,300 km) at the 20 knots (37 km/h; 23 mph)
Complement18
Sensors and
processing systems
  • 1 x MR-36A surface search radar (planned)
  • 2 x Furuno navigation radar
  • 1 x HUMSA Blackfish-911 hull-mounted sonar
Electronic warfare
& decoys		4 x Type-A FL-NA flare catridge magazines for various chaff and flare types
Armament
NotesThe hulls of the ships are constructed with Steel and their superstructures with Aluminium to reduce the displacement of the ships.

Yan Nyein Aung-class submarine chaser (Project PGG 063) also known as 63m stealth submarine chaser is the first indigenous stealth submarine chaser class of the Myanmar Navy. The lead ship of the class is UMS Yan Nyein Aung (443) and she was commissioned with UMS Yan Ye Aung (446) on 24 December 2020. This class is intended to replace the ten old Hainan-class submarine chasers.[1][2][3][4]

Design and description[]

The early design of the Yan Nyein Aung-class submarine chaser

The hulls of the ships are constructed of steel and their superstructures of aluminium to reduce the ship's displacement. The uniqueness of this class is that the ships are equipped with three waterjet propulsers to secretly track and attack submarines and to improve maneuverability by reducing noise produced from the engines and propellers. The basic purpose of this class is to quietly track and destroy submarines in the country's exclusive economic zone. They can also carry out various constabulary tasks within country's maritime boundary against maritime terrorism, environmental pollution, smuggling and can also be deployed for search and rescue operations and transportation of aids when necessary.

Armament[]

Type-66 57 mm twin AA guns and 2M-3M 25 mm twin AA guns of UMS Yan Ye Aung

The ships of this class are equipped with one Type-66 57 mm semi-automatic twin gun, two 2M-3M 25 mm twin guns and two locally made QJG-02G 14.5 mm guns for anti-aircraft warfare. Armament for air defense role may seem weak, but this category does not need much because this class focuses only on the anti-submarine role.

Triple torpedo launchers fitted on the left side of UMS Yan Ye Aung

The ships are also equipped with two triple torpedo launchers for Shyena torpedoes, two RBU-1200 ASW rocket launchers and two LDC (large depth charge) throwers and naval mines as the anti-submarine weapons (ASW).[5][6]

History[]

Project PGG 063 was approved at the 31st council meeting of Myanmar Navy.The construction of the lead ship, UMS Yan Nyein Aung was started in March 2016 and she was launched in March 2019. UMS Yan Nyein Aung (443) was commissioned with UMS Yan Ye Aung (446) on 24 December 2020.[7][8][9][10]

Ships of the class[]

Photo Name Project Number Pennant Builder Commissioned Homeport
Yan Nyein Aung Project PGG 063 A-1 443 (Myanmar Navy) 24 December 2020
Yan Ye Aung Project PGG 063 A-2 446 (Myanmar Navy) 24 December 2020

References[]

  1. ^ Information Team, Tatmadaw (24 December 2020). "(၇၃)နှစ်မြောက်တပ်မတော်(ရေ)နေ့အထိမ်းအမှတ် တိုက်ခိုက်ရေးရေငုပ်သင်္ဘော စစ်ရေယာဉ် (မင်းရဲသိင်္ခသူ) အပါအဝင် စစ်ရေယာဉ်များ တပ်တော်ဝင်ခြင်း အခမ်းအနား ကျင်းပပြုလုပ်". Tatmadaw. Archived from the original on 24 December 2020. Retrieved 24 December 2020.
  2. ^ Ryan White (5 January 2021). "Indian submarine INS Sindhuvir officially inducted into Myanmar Navy". Archived from the original on 5 January 2021. Retrieved 26 December 2020.
  3. ^ Navy Recognition (5 January 2021). "Myanmar Navy has commissioned seven new warships and one submarine". Archived from the original on 5 January 2021. Retrieved 26 December 2020.
  4. ^ Asia Pacific Defense Journal (5 January 2021). "Myanmar commissions first ever diesel-electric submarine, 6 other new ships". Archived from the original on 5 January 2021. Retrieved 30 December 2020.
  5. ^ Navy Recognition (5 January 2021). "Myanmar Navy has commissioned seven new warships and one submarine". Archived from the original on 5 January 2021. Retrieved 26 December 2020.
  6. ^ Asia Pacific Defense Journal (5 January 2021). "Myanmar commissions first ever diesel-electric submarine, 6 other new ships". Archived from the original on 5 January 2021. Retrieved 30 December 2020.
  7. ^ Information Team, Tatmadaw (24 December 2020). "(၇၃)နှစ်မြောက်တပ်မတော်(ရေ)နေ့အထိမ်းအမှတ် တိုက်ခိုက်ရေးရေငုပ်သင်္ဘော စစ်ရေယာဉ် (မင်းရဲသိင်္ခသူ) အပါအဝင် စစ်ရေယာဉ်များ တပ်တော်ဝင်ခြင်း အခမ်းအနား ကျင်းပပြုလုပ်". Tatmadaw. Archived from the original on 24 December 2020. Retrieved 24 December 2020.
  8. ^ Ryan White (5 January 2021). "Indian submarine INS Sindhuvir officially inducted into Myanmar Navy". Archived from the original on 5 January 2021. Retrieved 26 December 2020.
  9. ^ Navy Recognition (5 January 2021). "Myanmar Navy has commissioned seven new warships and one submarine". Archived from the original on 5 January 2021. Retrieved 26 December 2020.
  10. ^ Asia Pacific Defense Journal (5 January 2021). "Myanmar commissions first ever diesel-electric submarine, 6 other new ships". Archived from the original on 5 January 2021. Retrieved 30 December 2020.
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