Martin JRM Mars flying boat

E769850

The Martin JRM Mars flying boat is a large World War II–era American long-range transport seaplane, later famous for its postwar use as a massive water-bombing firefighting aircraft.

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Label Occurrences
Martin JRM Mars flying boat canonical 1

Statements (46)

Predicate Object
instanceOf flying boat
transport aircraft
airframeMaterial metal
configuration high-wing
countryOfOrigin United States of America
surface form: United States
crew 4
cruiseSpeed about 190 mph
designedAs long-range ocean patrol bomber
engineType piston radial engine
era World War II
firstFlight 1942
height about 15.9 m
hullType boat hull
introduced 1943
landingGear water-landing only
laterAdaptedAs aerial firefighting aircraft
transport aircraft
length about 36.6 m
manufacturer Glenn L. Martin Company NERFINISHED
maximumSpeed about 221 mph
maximumTakeoffWeight about 165,000 kg
about 400,000 lb
notableFor being one of the largest flying boats ever built
notableVariant JRM-1 NERFINISHED
JRM-2 NERFINISHED
numberBuilt 7
operator Forest Industries Flying Tankers NERFINISHED
United States Navy
powerplant 4 × Wright R-3350 Duplex-Cyclone radial engines
primaryUser United States Navy NERFINISHED
propulsion propeller-driven
range over 5,000 km
retiredFromUSNService 1956
role long-range transport seaplane
water bomber
serviceCeiling about 4,900 m
successorInRole land-based strategic airlifters
tailConfiguration conventional tail
usedFor Pacific theater logistics
aerial firefighting
cargo transport
troop transport
usedInConflict World War II
waterCapacity about 7,200 US gallons
over 27,000 liters
wingspan about 61.0 m

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Glenn L. Martin Company product Martin JRM Mars flying boat