Martin PBM-3 / PBM-5 Mariner
The Martin PBM-3 / PBM-5 Mariner was a World War 2 era flying boat used in the maritime. The Mariner first appeared in 1937 and it first flew in 1939 as the Martin Model 162 project, giving birth to the prototype XPBM-1 as a twin engine flying boat with a high-mounted monoplane … Read more