The Koho Maru 5 or Pak1,
was a Japanese Gas Tanker owned by the PAK Line originally sunk 25 Aug. 1996 at the west coast of Koh Chang. at the Time of sinking there was a 10 head crew on the Boat only 3 of them survived the disaster. The Koho Maru 5 or PAK one sunk in a very heavy Storm at 3.00 at Night. Most of the Crew was sleeping in the main Cabines. When the Koho Maru was dived first they found the Ship Wreck in a very unusual Position. The Pak1 Stand Vertical in the Water with the Bow at 60m on the Bottom of the Golf of Thailand. That the boat Stand vertical was a real attraction for divers, worldwide there are only 2 Ship Wrecks Staying vertical on the Bottom of the sea include the Koho Maru 5.
After Some Years
Recreational and Technical Divers have explored the Ship Wreck, suddenly the Boat floats up to the surface and drifted into the shipping line with brought a great risk for other Ships passing that way. The Royal Thai Navy tuck off the Gastanks of the Ship and Sunk it again on a different Position in the Gulf. For Long Time Nobody was able to find the PAK1 again.
but suddenly after a long research some Divers got to know the GPS Coordinates of the PAK1 Wreck and started the search again. It is a quiet long Boat ride (5 Hours) from Koh Chang to get there. We Starting this trip at 9pm at Bang Bao Pier leaving for a night Dive to the HTMS Chang and heading after over Night to the Pak1 which we arrive around 6am in the morning. After Breakfast we have our first Dive at Pak1 followed by a second dive and back to Koh Chang around 5 pm. We manage it 2-3 times a year to visit this unique Ship Wreck with a small Group of experienced Recreational and Technical Divers.
The PAK1 Lies now on 42m of depth nice and Horizontal as she had never done something else.
Prerequirements for a PAK1 Trip:
Min. Deep Diver Certified or Tech Diver, Nitrox certified, and very good Buoyancy