Location
Located at Sulphur Creek at Rabaul along Simpson Harbor.

History
Japanese seaplane base and servicing area was located just off Sulphur Creek on Simpson Harbor established on February 4, 1942. It serviced large seaplanes, including the H6K Mavis, H8K Emily, and smaller seaplanes.

Japanese Units Based at Rabaul Seaplane Base
Yokohama Air Corps (H6K Mavis) January 25, 1942 - ?

Today
The concrete ramp was still present post war.

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