Country of origin | United States |
---|---|
Manufacturer | Lockheed Martin / Northrop Grumman |
Introduced | 1998 |
Type | Millimeter-wave fire-control radar |
Frequency | Ka band |
Range | 5.0 mi (8 km) [1] |
The AN/APG-78 Longbow is a millimeter-wave fire-control radar (FCR) system for the AH-64D/E Apache attack helicopter. The radar is produced by Longbow LLC, a joint venture of Lockheed Martin and Northrop Grumman. [1]
The AN/APG-78 Longbow is a millimeter-wave fire-control radar (FCR) target acquisition system and the Radar Frequency Interferometer (RFI), which are housed in a dome located above the main rotor. [2] [3] The radome's raised position enables target detection while the helicopter is behind obstacles (e.g. terrain, trees or buildings). The APG-78 is capable of simultaneously tracking up to 128 targets and engaging up to 16 at once; an attack can be initiated within 30 seconds. [4] [5] A radio modem integrated with the sensor suite allows data to be shared with ground units and other Apaches, allowing them to fire on targets detected by a single helicopter. [6]
The updated AN/APG-78 radar for the AH-64E Guardian has overwater capabilities, potentially enabling naval strikes. [7] [8]
The Boeing AH-64 Apache is an American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two. It features a nose-mounted sensor suite for target acquisition and night vision systems. It is armed with a 30 mm (1.18 in) M230 chain gun carried between the main landing gear, under the aircraft's forward fuselage, and four hardpoints mounted on stub-wing pylons for carrying armament and stores, typically a mixture of AGM-114 Hellfire missiles and Hydra 70 rocket pods. The AH-64 has significant systems redundancy to improve combat survivability.
The AGM-114 Hellfire is an air-to-surface missile (ASM) first developed for anti-armor use, but later models were developed for precision drone strikes against other target types, and have been used in a number of actions aimed to "destroy high-value targets." It was originally developed under the name Heliborne laser, fire-and-forget missile, which led to the colloquial name "Hellfire" ultimately becoming the missile's formal name. It has multi-mission, multi-target precision-strike ability, and can be launched from multiple air, sea, and ground platforms, including the Predator drone. The Hellfire missile is the primary 100-pound (45 kg) class air-to-ground precision weapon for the armed forces of the United States and many other nations. It has also been fielded on surface platforms in the surface-to-surface and surface-to-air roles.
An active electronically scanned array (AESA) is a type of phased array antenna, which is a computer-controlled array antenna in which the beam of radio waves can be electronically steered to point in different directions without moving the antenna. In the AESA, each antenna element is connected to a small solid-state transmit/receive module (TRM) under the control of a computer, which performs the functions of a transmitter and/or receiver for the antenna. This contrasts with a passive electronically scanned array (PESA), in which all the antenna elements are connected to a single transmitter and/or receiver through phase shifters under the control of the computer. AESA's main use is in radar, and these are known as active phased array radar (APAR).
The AgustaWestland Apache is a licence-built version of the Boeing AH-64D Apache Longbow attack helicopter for the British Army Air Corps. The first eight helicopters were built by Boeing; the remaining 59 were assembled by Westland Helicopters at Yeovil, Somerset in England from Boeing-supplied kits. Changes from the AH-64D include Rolls-Royce Turbomeca RTM322 engines, a new electronic defensive aids suite and a folding blade mechanism allowing the British version to operate from ships. The helicopter was initially designated WAH-64 by Westland Helicopters and was later given the designation Apache AH Mk 1 by the Ministry of Defence.
The M230 Chain Gun is a 30 mm (30×113 mm), single-barrel chain-driven autocannon, using external electrical power to cycle the weapon between shots. It was designed and manufactured originally by Hughes Helicopters in Culver City, California. The company was acquired by McDonnell Douglas Helicopters in 1985, which merged into Boeing Corporation in 1997. In 2002, it was sold again to Alliant Techsystems, which merged with Orbital Sciences Corporation in 2015 to form Orbital ATK and was, in turn, bought out by Northrop Grumman in 2018. As of 2019, it is produced by Northrop Grumman Innovation Systems.
An infrared search and track (IRST) system is a method for detecting and tracking objects which give off infrared radiation such as jet aircraft and helicopters.
A longbow is an archery weapon that uses elasticity to propel arrows.
Northrop Grumman Electronic Systems (NGES) was a sector of Northrop Grumman from 1996 to 2015 until a reorganization on January 1, 2016 merged other Northrop Grumman businesses into NGES to form a new sector called Mission Systems. NGES had originally been created by Northrop Grumman's acquisition of Westinghouse Electronic Systems Group in 1996. The Electronic Systems sector was a leading designer, developer, and manufacturer of a wide variety of advanced defense electronics and systems. The division had 120 locations worldwide, including 72 international offices, and approximately 24,000 employees. Accounting for 20% of company sales in 2005, it was the single largest sector in the corporation.
The AN/APG-68 radar is a long range Pulse-doppler radar designed by Westinghouse to replace AN/APG-66 radar in the F-16 Fighting Falcon. The AN/APG-68(V)8 and earlier radar system consists of the following line-replaceable units:
The AGM-169 Joint Common Missile (JCM) was a tactical air-to-surface missile developed by the Lockheed Martin corporation for the United States military aircraft, such as attack and utility helicopters, strike fighters and fighter-bombers.
The Kuwait Air Force is the air arm of the Armed Forces of Kuwait. The Air Force headquarters is located at Abdullah Al-Mubarak Air Base, with the remaining forces stationed at Air Defense Brigades, Ali Al Salem Air Base and Ahmad al-Jaber Air Base. The Kuwait Air Force numbers approximately 2,500 officers and enlisted personnel.
The Bell AH-1Z Viper is an American twin-engine attack helicopter, based on the AH-1W SuperCobra, that was developed for the United States Marine Corps as part of the H-1 upgrade program. The AH-1Z features a four-blade, bearingless, composite main rotor system, uprated transmission, and a new target sighting system. The AH-1Z, one of the latest members of the prolific Bell Huey family, is also called "Zulu Cobra", based on the military phonetic alphabet pronunciation of its variant letter.
The AGM-179 Joint Air-to-Ground Missile (JAGM) is an American military program to develop an air-to-surface missile to replace the current air-launched BGM-71 TOW, AGM-114 Hellfire, and AGM-65 Maverick missiles. The U.S. Army, Navy, and Marine Corps plan to buy thousands of JAGMs.
The AN/APG-81 is an active electronically scanned array (AESA) radar system designed by Northrop Grumman Electronic Systems for the Lockheed Martin F-35 Lightning II.
The Advanced Attack Helicopter (AAH) was a United States Army program to develop an advanced ground attack helicopter beginning in 1972. The Advanced Attack Helicopter program followed cancellation of the Lockheed AH-56 Cheyenne. After evaluating industry proposals, the AAH competition was reduced to offerings from Bell and Hughes. Following a flight test evaluation of prototypes, Hughes' YAH-64 was selected in December 1976.
The Apache Arrowhead, is an integrated targeting and night vision system developed by Lockheed Martin for the Boeing AH-64 Apache attack helicopter. It uses second-generation long-wave Forward looking infrared (FLIR) sensors with three fields of view, a charge-coupled device TV camera, dual field of view pilotage FLIR, electronic zoom, target tracker and auto-boresight.
The Unmanned Combat Armed Rotorcraft or UCAR was a program carried out by DARPA and the United States Army in 2002-2004 to develop an unmanned combat helicopter.
The Boeing AH-6 is a series of light helicopter gunships based on the MH-6 Little Bird and MD 500 family. Developed by Boeing Rotorcraft Systems, these include the Unmanned Little Bird (ULB) demonstrator, the A/MH-6X Mission Enhanced Little Bird (MELB), and the proposed AH-6I and AH-6S.
The Multi-role Electronically Scanned Array (MESA) is a surveillance radar system for the Boeing 737 AEW&C airborne early warning and control aircraft. The radar is produced by Northrop Grumman.
Wikimedia Commons has media related to Longbow fire control radar . |