Lockheed P-2 Neptune

Lockheed P-2 Neptune
Zemlja	Sad
Ulogu	Pomorska patrola i protiv-podmorničko ratovanje
Prvi let	17 Maj 1945
Penzionisani	1984. From military use

Lokid P-2 Neptun (označen kao P2V od strane mornarice Sjedinjenih Država pre septembra 1962) bio je pomorska patrola i protiv-podmorničko ratovanje (ASW). Razvijen je za američku mornaricu od strane Lokida da zameni Lokid PV-1 Ventura i PV-2 Harpun, a zauzvrat ga je zamenio Lokid P-3 Orion. Neptun, dizajniran kao kopneni avion, nikada nije sleteo sa nosača aviona, iako je mali broj aviona pretvoren i raspoređen kao nosač lansiranih nuklearnih bombardera koji će morati da se otkače ili oporave u kopnenim bazama. Taj tip je bio uspešan u izvozu i video je službu sa nekoliko oružanih snaga.

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Lockheed P2V-5F Neptune
Fotograf	Vladimir Jakubov
Lokalizacija	Quonset Air Museum
Fotografije	170

Lockheed P2V-5F Neptune 1

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Lockheed P2V-5F Neptune 9

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Lockheed Neptune Walk Around
Fotograf	Nepoznato
Lokalizacija	Nepoznato
Fotografije	68

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General Characteristics and Role

The Lockheed P2V Neptune was a cornerstone of Cold War maritime security, serving as the primary land-based anti-submarine warfare (ASW) and maritime patrol aircraft for the U.S. Navy before the arrival of the P-3 Orion. The P2V-5F variant represents a critical evolutionary step in the series, featuring a mixed-powerplant configuration to handle the increasing weight of advanced electronics and weapon systems. Designed for grueling, long-endurance missions, the Neptune was often referred to as the hunter in hunter-killer naval groups. Its ability to loiter for hours over vast oceans while monitoring for submerged threats made it an indispensable tool for global maritime reconnaissance.

Property	Typical Value (P2V-5F Neptune)
Tip	Maritime Patrol / Anti-Submarine Warfare
National Origin	Sjedinjene Države
Proizvođača	Lockheed Aircraft Corporation
Entered Service	1950 (P2V-5), 1953 (5F Modification)
Posada	7 to 9 (including pilots, navigators, and sensor operators)
Dužina	27.8 m (91 ft 2 in)
Raspon krila	31.7 m (104 ft 0 in)
Max Takeoff Weight	Approx. 36,240 kg (79,895 lb)

Powerplant and Mixed-Propulsion Performance

Primary Engines: 2 x Wright R-3350-32W Duplex-Cyclone 18-cylinder radial piston engines, providing 3,250 hp to 3,700 hp each.
Auxiliary Engines: 2 x Westinghouse J34-WE-34 turbojet engines mounted in underwing pods, providing 3,250 lbf (14.5 kN) thrust each.
Fuel Synergy: To simplify logistics, the jet engines were modified to burn the same 115/145 Avgas as the piston engines, eliminating the need for a separate jet fuel system.
Maximum Speed: Approx. 584 km/h (363 mph) with jets engaged.
Search Endurance: Over 10 hours at economical cruise speeds using only the piston engines.
Sensor Suite: Equipped with the AN/APS-20 surface-search radar in a belly radome and an AN/ASQ-8 Magnetic Anomaly Detector (MAD) in the distinctive stinger tail extension.
Armament: Internal bomb bay for up to 8,000 lb of torpedoes, depth charges, or mines, plus underwing racks for 5-inch HVAR rockets.

Service History and Legacy

Global Reach: Beyond the U.S. Navy, the P2V-5 was exported to numerous allies including Australia, Canada, the Netherlands, and Japan (where it was later license-built by Kawasaki).
The Truculent Turtle: Early in the Neptune’s life, a modified P2V-1 set a world record by flying non-stop from Australia to Ohio—a distance of 11,235 miles—without refueling.
Vietnam Combat: During the Vietnam War, Neptunes were utilized as gunships (AP-2E) and sensor-deployment platforms (OP-2E) for monitoring the Ho Chi Minh Trail.
Cold War Sentinel: P2V crews were often the first to intercept and photograph Soviet warships and submarines during the height of the Cold War.
Civilian Firefighter: After retirement from military service, many Neptunes were converted into highly effective air tankers for aerial firefighting, serving for decades dropping fire retardant across North America.