1° 0' 0S Long 136° 0' 0E Biak Island located to the north of the New Guinea mainland. To the south is Geelvink Bay.
Occupied by the Japanese Army. After the American occupation of Hollandia in late April 1944, the runways proved unsuitable for heavy bomber operations due to soft soil. Instead, Biak's airfields were sought for firmer ground. On May 27, 1944, the U. S. Army 41st Infantry Division made an amphibious landing at Bosnik on the southern coast of Biak. The defending Japanese were entrenched in natural limestone
caves and concealed fortifications and
provided stiff resistance that delayed the Army and and the use of Mokmer
American missions against
A tank versus tank
battle occurred on Biak, when Japanese Type 95 Ha Go tanks
attempted to attack the beachhead. They were destroyed by US Army M4 Sherman tanks. Casualties on Biak were 435 Americans KIA and
2,360 WIA. The
Japanese lost an estimated 6,125 KIA, with 460 POWs, and
360 Formosan POWs.
After finally securing the island, American
developed southern Biak into a large airbase and staging area, coded APO 920.
missions against Biak
May 27, 1944
The island has a large Indonesian naval base and the island has
better infrastructure than in most other places in the
province. During the 1980-1990s, Biak was developed as a tourist destination when international flights landed at Mokmer Drome to refuel. Today, many parts of the island are
off limits to visitors.
Base H (Biak)
US Army letter base designation.
245th, 246th, 247th
50th Ordnance Ammunition Co.
1932nd Quartermaster Truck Co.
745th Sanitary Co.
311th Quartermaster Battalion
325th Gas Supply Co.
603rd Port Co.
91st Engineer General Service
85th Engineer Dump Truck Co.
738th Engineer Base Depot Co.
1315th Engineer Construction
993rd Quartermaster Service CO
1518th Engineer Water Supply Co.
Located on the southern coast of Biak. The beach at Bosnik was the site of the American
amphibious landing on May 27, 1944. Today, there are some bits of landing craft
and remains of docks still visible. Today, the beach is
popular for swimming and diving.
Cave (Goa Jepang)
Goa Jepang (Japanese Cave) is
the local name for a cave
which used to be used as a defense fortress by Japanese
Japanese discovered the three-kilometer-long cave in
1943. Its gate is located in Paray beach in Paray village,
Biak city. Japanese soldiers entered the cave from
occupied three large rooms built inside the cave. The
Japanese soldiers managed to shoot down a U.S. plane from
their hiding place. However, eventually the US army came
to know where the Japanese soldiers were hiding. So in the
early morning of July 7, 1944, the US Army attacked the cave. The
cave was bombarded. The Americans also dropped drums
of gasoline into the hideout and blasted them from
the air, setting the cave into fire. The
cave burned for several months. Some 3,000 Japanese soldiers
were trapped and killed in the attack.
in a forest, the cave is one of Biak main tourist attractions.
According to Yusuf Rumaropen, an Irianese who has been
taking care of the cave for 20 years, the forest is kept
intact; tree cutting is strictly forbidden to keep the
historic site as it is. The cave is surrounded by fences.
Japanese caves are found near this village.
Mokmer Airfield (Mokmer Drome)
Japanese airfield liberated by the US Army and used by the USAAF, still in use today
Borokoe Airfield (Borokoe Drome)
Japanese airfield liberated by the US Army and used by the USAAF
Sorido Airfield (Sorido Drome)
Japanese airfield liberated by the US Army, today a housing area
Small outdoor museum with several relics
on display. It contains some old vehicles, guns, equipment, memorials and war relics.
P-47D Thunderbolt 42-75940
Pilot Frankfort crashed April 27, 1944
Crashed on Biak
Crashed on Biak
Crashed on Biak
Crashed into the limestone hills in northern Biak
C-47 Dakota Serial Number 00728
Crashed on Biak, full details unknown
C-47A Serial Number 42-10047
Pilot McDowell crashed January 9, 1945
Ditched off Biak, attempted salvage in 1990s, accidentally destroyed
Pilot Takada crashed May 27, 1944 (first 'planned'
Kamikaze suicide attack on an enemy ship
Sunk off Biak Harbor
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August 15, 2015