Lockheed P-3 Orion

P-3 Orion
A Japanese P-3C of the JMSDF
Role Maritime patrol aircraft
National origin United States
Manufacturer Lockheed
Lockheed Martin
Kawasaki Heavy Industries
First flight November 1959[1]
Introduction August 1962[1]
Status Active
Primary users United States Navy
Royal New Zealand Air Force
Japan Maritime Self-Defense Force
Royal Australian Air Force
Republic of Korea Navy
Produced 1961–1990
Number built Lockheed – 650,
Kawasaki – 107,
Total – 757[2]
Unit cost
US$36 million (FY1987)[1]
Developed from Lockheed L-188 Electra
Variants Lockheed AP-3C Orion
Lockheed CP-140 Aurora
Lockheed EP-3
Lockheed WP-3D Orion
Developed into Lockheed P-7

The Lockheed P-3 Orion is a Lockheed made four engined aircraft with variations such as the P-3K, P-3C, P-3As and more. Mostly used as maritime patrol aircraft due to the probes located at the rear of the aircraft where the APU would be found on other aircraft. The aircraft runs on Rolls Royce Allison's T56-A-14 engine with Hamilton Standard 54H60-77 propeller. The APU is nowhere near the rear of the aircraft. It is located forward of the Bombay as well as forward of the wing in the belly of the fuselage.

References

  1. ↑ 1.0 1.1 1.2 "P-3C Orion long range ASW aircraft." navy.mil,, 18 February 2009. Retrieved: 14 July 2010.
  2. ↑ "P-3 production." p3orion.nl. Retrieved: 7 June 2011.
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