© LeoB747
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Spotter's notes
This aircraft is one of only a handful ever built and is famous for its post-military career as a water bomber. It is considered a prized piece of aviation history.
Aircraft identity
ICAO Type
MARS
Model
JRM Mars
Manufacturer
Martin
Airline
Coulson Flying Tankers
Livery
Coulson Flying Tankers Firebomber
Military
Civilian
Technicals
Engine
Wright R-3350 Duplex-Cyclone radial engines
Thrust
2,500 hp per engine (4 engines)
Wingspan
60.96 m
Length
36.65 m
Height
15.85 m
MTOW
74,843 kg
Range
8,300 km
Capacity
Water drop capacity: 27,250 L (firefighting conversion)
Cruise Speed
306 km/h
Noise Rating
98-105 dB (no ICAO civil rating, vintage military)