Martin P4M Mercator - Specifications (P4M Mercator)

Specifications (P4M Mercator)

General characteristics

• Crew: 9
• Length: 85 ft 2 in (26.0 m)
• Wingspan: 114 ft 0 in (34.7 m)
• Height: 26 ft 1 in (8.0 m)
• Wing area: 1,311 ft² (122 m²)
• Empty weight: 48,536 lb (22,016 kg)
• Loaded weight: 88,378 lb (40,088 kg)
• Max. takeoff weight: lb (kg)
• Powerplant:
  • 2 × Allison J33-A-23 turbojets, 4,600 lbf (20 kN) each
  • 2 × Pratt & Whitney R-4360 Wasp Major radial engines, 3,250 hp (2,420 kW) each

Performance

• Maximum speed: 410 mph (660 km/h)
• Range: 2,840 mi (4,570 km)
• Service ceiling: 34,600 ft (10,500 m)
• Rate of climb: ft/min (m/s)
• Wing loading: lb/ft² (kg/m²)

Armament

• 4 × 20 mm (.79 in) cannons in nose and tail turrets
• 2 × .50 in (12.7 mm) machine guns in dorsal turret
• Up to 12,000 lb (5,400 kg) of bombs, mines, depth charges, or torpedoes

Avionics

• AN/APS-33 search radar