Koh Tao Newest Wreaks.

September 20, 2023

Koh Tao Newest Wreaks

Koh Tao, Thailand, renowned for its exceptional diving opportunities, has recently introduced two remarkable additions to its underwater world: the HTMS Suphairin and HTMS Hanhak Sattru wrecks. These two vessels, with a storied history of 42 years of service, were decommissioned in 2018 and have now found a new purpose as part of the Underwater Learning Park and Marine Ecosystem Rehabilitation Project in Surat Thani Province. This initiative blends the rich history of these ships with the goals of marine conservation, creating an exciting opportunity for divers and a sanctuary for marine life.

The HTMS Suphairin and HTMS Hanhak Sattru wrecks offer more than just thrilling diving experiences. They serve as vital artificial reefs, contributing significantly to marine conservation efforts. They provide stable habitats for marine life, offering a sanctuary for diverse organisms, including the mesmerizing coral formations that have captivated divers for generations.

These wrecks also play a crucial role in advancing marine biology and ecology research. Researchers and scientists can observe the unique ecosystems that develop around these artificial structures, gaining valuable insights into marine life and its response to changing environmental conditions. It’s not just an adventure, it’s a window into the mysteries of the ocean.

Furthermore, these artificial reefs attract a wide variety of marine species, enhancing overall biodiversity. They become bustling hubs of underwater activity, teeming with life. This biodiversity not only captivates divers but also contributes to the health of the entire marine ecosystem.

The HTMS Hanhak Sattru (312) now rests peacefully in Aow Mao on the east coast of Koh Tao, at depths of approximately 22-24 meters. HTMS Suphairin (313) is equally captivating, located just 15 meters from the No Name Pinnacles, resting at depths of approximately 24-28 meters.

These vessels, commissioned in the early 20th century, played pivotal roles in Thailand’s maritime defense. Armed with modern weaponry, including Gabriel surface-to-surface missile launchers, they were versatile assets that safeguarded the nation and participated in joint operations with the Naval Special Warfare Division.

For those interested in ship details, here are the specifications:

Mission Tasks:

Coastal defense using the 57/70 mm gun
Air defense using the 57/70 mm and 40/70 mm guns
Serving as a picket vessel for the fleet
Conducting joint operations with the Naval Special Warfare Division
Command and control of a group of ships
Anti-swarm defense with the 40/70 mm and .50-inch guns

Vessel Specifications:

Commissioned: February 5, 1977
Decommissioned: October 1, 2018
Builder: Singapore Shipbuilding and Engineering Ltd.

General Characteristics:

Length: 44.90 meters
Width: 7.00 meters
Draft: 2.11 meters
Max Speed: 30 knots
Max High-Speed: 37.5 knots
Displacement Standard: 232 tons
Full Displacement: 263 tons
Maximum Operational Range: 1,170 miles
Continuous Operation: 3 days

Surveillance System:

Fire control radar Thales WM28 mod.5
Nautical radar Decca TM 626
ESM Argo Systems AR-700

Weapon Systems:

1 x 57/70 mm gun
1 x 40/70 mm autocannon
2 x .50-inch machine guns
WM 28/5 fire control system
6 x 103 mm (4.06 inch) illuminating rocket launchers
1 x Dagaie decoy launcher with 10 launch boxes

Drive Systems and Auxiliary Machinery:

4 MTU diesel engines
4 propeller shafts

For those eager to explore these fascinating wrecks and learn more about their history and significance, here are some helpful links:

http://www.wings-aviation.ch/45-Thai%20Navy/Ships-Basis-en.htm

https://thaiseafarer.com/naval-museum/fac312/

https://thaiseafarer.com/naval-museum/fac313/

https://www.facebook.com/vie.bour.3

https://www.thaipbs.or.th/news/content/331453

https://mgronline.com/south/detail/9660000081065

https://siamrath.co.th/n/475066

These additions to Koh Tao’s underwater world not only offer thrilling diving experiences but also contribute to the preservation of marine life and history. Diving enthusiasts and history buffs alike will find these wrecks a must-visit destination. Explore the depths, delve into history, and support marine conservation—all in one remarkable experience on the beautiful island of Koh Tao.