characteristics
Crew: 1
Capacity: 1 observer (N9MB)
Length: 17 ft 9 in (5.4 m)
Wingspan: 60 ft 0 in (18.3 m)
Height: 6 ft 7 in (2 m)
Wing area: 490 sq ft (45.5 m2)
Airfoil: NACA 65-019
Empty weight: 5,893 lb (2,673 kg)
Gross weight: 13,946 lb (6,326 kg)
Powerplant: 2 × Menasco C6S-4 , 275 hp (205 kW) each (N-9MB) 2x Franklin XO-540-7, 260 hp each
Performance
Maximum speed: 258 mph (415 km/h; 224 kn)
Range: 500 mi (434 nmi; 805 km)
Service ceiling: 21,500 ft (6,553 m)