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Martin Mars specs
Country: United States of America
ICAO Type designator:MARS
First flight:23 June 1942
Production ended: 1948
Production total:6
Series: JRM-1: Production long range transport variant
JRM-2: JRM-1 with R4360-4T engines with 4-blade prop
JRM-3: Conversion of JRM-1's with Wright R3350-24WA engines
Propulsion:4 piston engines
Maximum number of passengers:133
Maximum take-off mass:74843 kg
ICAO Mass group:4

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