PH-3 US Coast Guard Patrol Seaplane- Pre-war II two-engine bi-wing, Great for enemy submarine hunting

The Hall Aluminum Company came up with this little pre-war two-engine bi-wing

seaplane. Originally developed in 1930 for the Navy, the PH-3 version became one of the U.S. Coast Guard's prime patrol planes in WW-II. Actually, bi-wing planes were great for submarine hunting and the PH-3 could cruise a coast line for up to 20 hours with an effective 2000 mile range.

PH-3 US Coast Guard Patrol Seaplane. The Hall Aluminum Company came up with this little pre-war two-engine bi-wing seaplane. Originally developed in 1930 for the Navy, the PH-3 version became one of the U.S. Coast Guard's prime patrol planes in WW-II. Actually, bi-wing planes were

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