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The Martin JRM Mars is a large, four-engined cargo transport flying boat designed and built by the Martin Company for the United States Navy during World War II.It was the largest Allied flying boat to enter production, although only seven were built.
JRM-3 Marshall Mars burning near Honolulu, Hawaii 5 April Martin JRM-3 Mars flying boat, BuNo 76822 named "Marshall Mars", destroyed by fire near Honolulu, Hawaiian Islands – force landed in Keehi Lagoon, Oahu, with engine fire. Crew were rescued after which aircraft exploded.
During World War II, a few of Martin's most successful designs were the B-26 Marauder [7] and A-22 Maryland bombers, the PBM Mariner and JRM Mars [8] [9] flying boats, widely used for air-sea rescue, anti-submarine warfare and transport.
The Mars was converted by the Navy into a transport aircraft designated the XPB2M-1R. Satisfied with the performance, 20 of the modified JRM-1 Mars were ordered. The first of the five production Mars flying boats entered service ferrying cargo to Hawaii and the Pacific Islands on 23 January 1944. [50]
Martin JRM Mars - Transport flying boat; Martin M-130 - Impressed flying boat; Martin PBM Mariner - Flying boat; Martin PB2M Mars - Prototype patrol flying boat; Naval Aircraft Factory N3N - Trainer; Naval Aircraft Factory TDN - Assault drone; North American NJ-1 - Trainer; North American PBJ Mitchell - Medium/anti-ship bomber; North American ...
Martin JRM Mars: 23 Jun 1942: Flying boat: 7: 39.04 yards (35.70 meters) 66.71 yards (61.00 meters) 73.62 tons: 14.76 tons: Heaviest until the Junkers 390, Largest serial production flying boat Latécoère 631: 4 Nov 1942: Flying boat: 11: 47.57 yards (43.50 meters) 62.77 yards (57.40 meters) 70.27 tons: Pax: 46 Longest until the Convair B-36 ...
To test the PBM's layout, Martin built a three-eighths scale flying model, the Martin 162A Tadpole Clipper with a crew of one and powered by a single 120 hp (89 kW) Chevrolet engine driving two airscrews via v-belts; this was flown in December 1937. [3] [4] This was followed by an initial production order for 21 PBM-1 aircraft on 28 December ...
The last passenger flight by a Martin JRM Mars flying boat is completed when U.S. Navy Lieutenant Commander Virgil Solomon lands the Marianas Mars at Alameda, California, at the end of a flight from Honolulu, Hawaii. [17]