Power Plant: Three 385 h.p. Direct-Drive Jaguar (Mk.I)
 

Three 410 h.p. Geared Jaguar IV A (Mk.II)
 

Span: 90 ft  8 in (Mk.I)  90 ft  4 in (Mk.II)
 

Length: 65 ft  10 in (Mk.I)  67 ft  0 in (Mk.II)
 

Height: 19 ft  10 in (Mk.I)  20 ft 0 in (Mk.II)
 

Weight (All-Up): 18,000 lb (Mk.I)  19,200 lb (Mk.II)
 

Max Speed: 110 m.p.h.
 

Cruise: 90-95 m.p.h.
 

Range: 330 miles (Mk.I)  520 miles (Mk.II)
 

Crew: 2