Jane's Fighting Aircraft of World War II, Handbook of Erection and Maintenance Instructions for Navy Model PBY-5 and PBY-5A Airplanes.
General characteristics
Crew: 8 — pilot, co-pilot, bow turret gunner, flight mechanic, radioman, navigator and two waist gunners
Length: 63 ft 10 7/16 in (19.46 m)
Wingspan: 104 ft 0 in (31.70 m)
Height: 21 ft 1 in (6.15 m)
Wing area: 1,400 ft² (130 m²)
Empty weight: 20,910 lb (9,485 kg)
Max. takeoff weight: 35,420 lb (16,066 kg)
Powerplant: 2 × Pratt & Whitney R-1830-92 Twin Wasp radial engines, 1,200 hp (895 kW each) each
Zero-lift drag coefficient: 0.0309
Drag area: 43.26 ft² (4.02 m²)
Aspect ratio: 7.73
Performance
Maximum speed: 196 mph (314 km/h)
Cruise speed: 125 mph (201 km/h)
Range: 2,520 mi (4,030 km)
Service ceiling: 15,800 ft (4,000 m)
Rate of climb: 1,000 ft/min (5.1 m/s)
Wing loading: 25.3 lb/ft² (123.6 kg/m²)
Power/mass: 0.034 hp/lb (0.056 kW/kg)
Lift-to-drag ratio: 11.9
Armament
3× .30 cal (7.62 mm) machine guns (two in nose turret, one in ventral hatch at tail)
2× .50 cal (12.7 mm) machine guns (one in each waist blister)
4,000 lb (1,814 kg) of bombs or depth charges; torpedo racks were also available

Specifications (PB2Y-5)
Data from Jane's Fighting Aircraft of World War II
General characteristics
Crew: 10
Length: 79 ft 3 in (24.2 m)
Wingspan: 115 ft 0 in (35 m)
Height: 27 ft 6 in (8.4 m)
Wing area: 1,780 ft² (165 m²)
Empty weight: 40,850 lb (18,530 kg)
Max. takeoff weight: 66,000 lb (30,000 kg)
Powerplant: 4 × Pratt & Whitney R-1830-92 radial engines, 1,200 hp (900 kW) each
Performance
Maximum speed: 194 mph (168 knots, 310 km/h)
Cruise speed: 170 mph (148 knots, 272 km/h)
Range: 1,070 mi (930 NM, 1,720 km) at 131 mph (210 km/h)
Service ceiling: 20,500 ft (6,250 m)
Armament
Guns:
6× .50 in (12.7 mm) M2 Browning machine guns in twin nose, dorsal, and tail powered turrets
2× .50 in M2 Browning machine guns in manual waist mounts
Bombs:
2× Mark 13 torpedoes or
Up to 12,000 lb (5,400 kg) of bombs, housed in the wings
