The P-3C Orion is the US Navy's maritime patrol and anti-submarine warfare aircraft. The system is supplied by Lockheed Martin based in New York and has also been manufactured under licence by Mitsubishi in Japan.The ALQ-78(V) automatically operates in search mode, its target primarily being submarine radars. This upgrade includes Thales integrated cockpit avionics and the EADS CASA FITS mission system.New Zealand has selected L-3 Communications to upgrade six P-3K aircraft with new mission systems. Circular protruding windows in the main cabin give the crew a 180° view.The P-3C’s anti-submarine warfare systems include the AN/ARR-78(V) sonobuoy receiving system supplied by Hazeltine Corporation of New York, the AN/ARR-72 sonobuoy receiver supplied by Fighting Electronics Inc of New York for the operation and management of buoys, two AQA-7 directional acoustic frequency analysis and recording sonobuoy indicators, and a AQH-4 (V) sonar tape recorder.The sensor suite also includes an ASQ-81 magnetic anomaly detector and an ASA-65 magnetic compensator.

The first was delivered in January 2007.Kawasaki Heavy Industries Ltd, based in Kobe, Japan, manufactures the P-3C aircraft in Japan under licensed agreement. Sonobuoys are launched from within the main cabin and from the external hardpoints.The airborne electronic surveillance receiver, ALQ-78(V) is carried on a pylon under the wing fairing. The flight deck accommodates the pilot, the co-pilot and the flight engineer.The main cabin is configured as a mission operations room for the tactical coordinator, the navigator and communications operator, two operators for the acoustic sensor suite, the electromagnetic sensors systems operator (responsible for the operation of the radar, electronic support measures, infrared detection system and magnetic anomaly detectors), the ordnance crew member and the flight technician. The P-3 will then be phased out following the introduction of the P-6 Multi-mission Maritime Aircraft (MMA) from 2013.The aircraft is also in service with Argentina, Australia, Brazil, Chile, Greece, Iran, Japan, the Netherlands, New Zealand, Norway, Pakistan, Portugal, South Korea, Spain and Thailand.It carries the United States Navy designation P-3, the Canadian Forces designations CP-140 Aurora and CP-140A Arcturus, and the Spanish Air Force designation P.3.The P-3A was first operational in the United States Navy in 1962. In 1976 the Update II programme provided an infrared detection system and sonobuoy reference system and the aircraft were fitted with the Harpoon missile. The underwing pylons can carry 2,000lb mines, torpedoes, rockets, rocket pods and 500lb mines.The US Navy P-3C aircraft are equipped to carry the Harpoon AGM-84 anti-ship and stand-off land attack missile. Circular protruding windows in the main cabin give the crew a 180° view.The P-3C’s anti-submarine warfare systems include the AN/ARR-78(V) sonobuoy receiving system supplied by Hazeltine Corporation of New York, the AN/ARR-72 sonobuoy receiver supplied by Fighting Electronics Inc of New York for the operation and management of buoys, two AQA-7 directional acoustic frequency analysis and recording sonobuoy indicators, and a AQH-4 (V) sonar tape recorder.The sensor suite also includes an ASQ-81 magnetic anomaly detector and an ASA-65 magnetic compensator. The first was delivered in January 2007.Kawasaki Heavy Industries Ltd, based in Kobe, Japan, manufactures the P-3C aircraft in Japan under licensed agreement. The P-3C Orion is the US Navy's maritime patrol and anti-submarine warfare aircraft. June 2020 - Germany has scrapped plans to modernize its fleet of P-3C maritime aircraft opting instead for an all-new Anti-Submarine Warfare (ASW) platform. The system is supplied by Lockheed Martin based in New York and has also been manufactured under licence by Mitsubishi in Japan.The ALQ-78(V) automatically operates in search mode, its target primarily being submarine radars. Lockheed based it on the L-188 Electra commercial airliner. The upgrade will also include new communications and navigation equipment.Pakistan has purchased seven upgraded ex-US Navy P-3C aircraft and ordered the upgrade of two Pakistan Navy aircraft.

The upgrade included new Electronic Support Measures (ESM), radar and acoustic sensors, new data management system and new communications suite. 200802-N-CO784-239 FORT WORTH, Texas (Aug. 2, 2020) A P-3C Orion maritime patrol aircraft attached to Naval Air Station (NAS) Jacksonville, … The upgrade will also include new communications and navigation equipment.Pakistan has purchased seven upgraded ex-US Navy P-3C aircraft and ordered the upgrade of two Pakistan Navy aircraft. The P-3 will then be phased out following the introduction of the P-6 Multi-mission Maritime Aircraft (MMA) from 2013.The aircraft is also in service with Argentina, Australia, Brazil, Chile, Greece, Iran, Japan, the Netherlands, New Zealand, Norway, Pakistan, Portugal, South Korea, Spain and Thailand.It carries the United States Navy designation P-3, the Canadian Forces designations CP-140 Aurora and CP-140A Arcturus, and the Spanish Air Force designation P.3.The P-3A was first operational in the United States Navy in 1962. The flight deck accommodates the pilot, the co-pilot and the flight engineer.The main cabin is configured as a mission operations room for the tactical coordinator, the navigator and communications operator, two operators for the acoustic sensor suite, the electromagnetic sensors systems operator (responsible for the operation of the radar, electronic support measures, infrared detection system and magnetic anomaly detectors), the ordnance crew member and the flight technician. It is capable of carrying a 2,000lb mine such as the mk25, mk39, mk55 or mk56. ""The P-3C Orion maritime patrol aircraft can carry weapons in the bomb bay and on ten underwing pylons. Alternative ordnance includes 1,000lb mines, depth bombs, torpedoes, or nuclear depth bombs. The system is supplied by Lockheed Martin based in New York and has also been manufactured under licence by Mitsubishi in Japan.The ALQ-78(V) automatically operates in search mode, its target primarily being submarine radars.