Keywords: Martin XPBM-1 Mariner in flight c1939.jpeg The U S Navy Martin XPBM-1 Mariner BuNo 0796 in flight This aircraft made its first flight on 18 February 1939 the type entering service in September 1940 http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/AdvQuery php U S Navy National Museum of Naval Aviation photo No http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Display php irn 41536 QueryPage 2Femuwebdoncoms 2Fpages 2Fdoncoms 2FAdvQuery php 2011 003 137 004 1939 U S Navy PD-USGov-Military-Navy Martin PBM Mariner |