Lockheed P2V Neptune

History: First flown on 17 May 1945, the Neptune was designed as a maritime patrol and anti-submarine warfare aircraft, and this dictated that it have extreme endurance and range, in addition to a large internal weapons bay, defensive capabilities and good short-field capability. Its design featured high-aspect ratio wings, a large fuel load and powerful engines -- a combination which eventually resulted in a production Neptune setting a world distance record of 11,235 miles in 1946, by flying nonstop and un-refueled from Perth, Australia to Columbus, Ohio, USA.

Although the Neptune just missed involvement in WWII, it was used extensively in both the Korean War and the Vietnam War, becoming the standard Anti-Submarine Warfare platform for not only the USA but the Netherlands, Japan and many other nations. In addition to the first production model, the P2V-1, many, many additional variants were produced, serving in such roles as Airborne Early Warning (P2V-3W / P-2D), Nuclear weapons carrier (P2V-3C), VIP transport (P2V-3Z), Special-sensor aircraft (OP-2E/AP-2E), Drone controller (DP-2E / DP-2H), crew trainer (TP-2F), Antarctic ski-plane (LP-2J), Electronic surveillance (RB-69A), Target tug (UP-2J) and Gunship (AP-2H).

Today, 40 P-2s still serve mostly as firebombers in the USA. A few are pure warbirds. There were 1,181 aircraft built.

Specifications (P2V-7 / P-2H):
        Engines: Two 3,500-hp Wright R-3350-32 turbo-compound radial piston engines, plus two 3,400-lb thrust Westinghouse J34-WE-36 auxiliary turbojets.
        Weight: Empty 49,935 lbs., Max Takeoff 79,895 lbs.
        Wing Span: 103ft. 10in.
            Length: 91ft. 8in.
        Height: 29ft. 4in.
Performance:
            Maximum Speed: 403 mph at 14,000 ft.
            Ceiling: 22,000 ft.
            Range: 3,685 miles
        Armament: Two 12.7-mm (0.5-inch) machine guns in dorsal turret, plus rack for underwing rockets, and up to 8,000 lbs of bombs, depth charges or torpedoes.

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