Lockheed SP-2E 'Neptune' SN: 131542
Description
  Manufacturer:Lockheed
  Base model:P-2
  Designation:SP-2
  Version:E
  Nickname:Neptune
  Equivalent to: P2V-5FS
  Service:U.S. Tri-Service
  Basic role:Patrol
  Designation Period:1962-Present
  Modified Mission:Anti-submarine
  Crew:3 crew & up to 7 systems ops.
  See Also:P2V
Specifications
  Length: 78' 3" 23.8 m
  Height:28' 11" 8.8 m
  Wingspan: 104' 31.7 m
  Wingarea: 1,000.0 sq ft 92.8 sq m
  Empty Weight: 39,900 lb 18,095 kg
  Gross Weight: 72,000 lb 32,653 kg
  Max Weight: 77,850 lb 35,306 kg
Propulsion
  No. of Engines: 2
  Powerplant: Wright R-3350-32W (& 2x J34-WE-34 @ 3,250lb)
  Horsepower (each): 3500
Performance
  Range: 3,195 miles 5,144 km
  Cruise Speed: 207 mph 333 km/h 180 kt
  Max Speed: 353 mph 568 km/h 307 kt
  Climb: 2,620 ft/min 798 m/min
  Ceiling: 26,000 ft 7,924 m