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The United States Navy contracted the development of the XPB2M-1 Mars in 1938 as a long-range ocean patrol flying boat, which later entered production as the JRM Mars long-range transport. Four of the surviving aircraft were later converted for civilian use to firefighting water bombers .
The Boeing 314 Clipper was an American long-range flying boat produced by Boeing from 1938 to 1941. One of the largest aircraft of its time, it had the range to cross the Atlantic and Pacific oceans.
The Martin P5M Marlin (P-5 Marlin after 1962), built by the Glenn L. Martin Company of Middle River, Maryland, is a twin piston-engined flying boat that entered service in 1951, and served into the late 1960s with the United States Navy performing naval patrols. It also served with the United States Coast Guard and the French Navy. 285 were ...
Ten were still in service in 1955, although all were gone from the active Coast Guard inventory by 1958 (when the last example was released from CGAS San Diego and returned to the U.S. Navy). These flying boats became the backbone of the long-range aerial search and rescue efforts of the Coast Guard in the early post-war years until supplanted ...
The Martin 193 was a design for a giant cargo transport seaplane that was conceived in 1942 as part of the "Sky Freighter" concept for colossal flying boats that could carry large loads of troops and freight across the Atlantic Ocean in response to the sinking of Allied merchant ships by U-boats.
The mystery of Mars's interior has been revealed thanks to marsquakes. Using data compiled by NASA's InSight mission that has detected hundreds of marsquakes since landing on the red planet in ...
The Martin XP2M-1 A Martin-built P3M-2 at NAS Pensacola Consolidated flying boat produced for evaluation by Japan. The Consolidated P2Y was an American sesquiplane maritime patrol flying boat. The aircraft was also made by Martin as the P3M, as a parasol monoplane, due to the Navy awarding production contracts separately from prototype contracts.
Pan Am initiated trans-Pacific airmail service on 22 November 1935; and began carrying passengers in October 1936. Pan Am requested Boeing to design a longer range flying boat to improve service offered by the original Martin M-130s; and Boeing completed NX18601 with the canceled Boeing XB-15 wing design and a single vertical tail fin on 1 June 1938.