A 6 Jet - The Northrop Grumman (formerly Grumman) EA-6B Prowler is a two-seat mid-wing electronic warfare aircraft derived from the A-6 Intruder airframe. The EA-6A was the initial electronic warfare version of the A-6 used by the United States Marine Corps and the United States Navy. Development of the more advanced EA-6B began in 1966. The EA-6B was manned by a pilot and three electronic countermeasures officers, although it was not common for only two ECMOs to be used on missions. It can carry and fire anti-radiation missiles (ARMs) such as the AGM-88 HARM.
The Prowler was in service with the US Armed Forces from 1971 to 2019. It performed several missions to jam radar systems and collect radio information about it and other air defense systems. . Since the retirement of the United States Air Force EF-111 Rav in 1998, the EA-6B has been the only dedicated electronic warfare aircraft available for US Navy, Marine Corps, and US Air Force missions until deployment. The Navy's EA-18G Growler in 2009. After its last deployment in late 2014, the EA-6B was withdrawn from service by the US Navy in June 2015, followed by the USMC in March 2019.
A 6 Jet
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Vietnam/cold War: Grumman A 6 Intruder
The EA-6A "Electric Intruder" was developed for the US Marine Corps during the 1960s to replace its EF-10B Skyknights. The EA-6A is a direct modification of the standard two-seat A-6 Intruder airframe, equipped with electronic warfare (EW). The EA-6A was used by three Marine Corps squadrons during the Vietnam War. A total of 27 EA-6As were produced, of which 15 were newly produced.
Most of these EA-6As were withdrawn from service in the 1970s, with the last few used by the Navy with two "Aggressor" electronic attack squadrons, with all examples finally retired in the 1990s.
A greatly redesigned and more advanced EA-6B was developed from 1966 as a replacement for the US Navy's EKA-3B Skywarriors. The forward fuselage was lgthed to create rear space for a larger four-seat cockpit, and an antenna fairing was added to the end of its vertical stabilizer.
The Prowler first flew on 25 May 1968 and entered carrier service in July 1971.
Grumman A 6 Intruder
Three EA-6B prototypes were converted from the A-6A and five EA-6Bs were development aircraft. Between 1966 and 1991, a total of 170 EA-6B series aircraft were produced.
The EA-6B Prowler is powered by two Pratt & Whitney J52 jet engines and is capable of high subsonic speeds. Due to extensive electronic warfare operations and the age of the aircraft (manufactured until 1991), the EA-6B is a high-maintenance aircraft and has undergone many frequent equipment upgrades. Although designed as an electronic warfare and command and control aircraft for air strike missions, the EA-6B is also capable of independently attacking some surface targets, especially emy radar sites and surface-to-air missile launchers. . In addition, the EA-6B is capable of collecting electronic intelligence signals.
The EA-6B Prowler has been continuously upgraded over the years. The first such upgrade was named "expanded capability" (EXCAP) starting in 1973. "Improved capability" (ICAP) came in 1976 and ICAP II in 1980. The ICAP II upgrade gave the EA-6B a ability to launch Shrike missiles. and AGM-88 HARM missiles.
The Advanced Capability EA-6B Prowler (ADVCAP) is a development program initiated to improve the flight performance of the EA-6B and modernize the avionics and electronic warfare systems. The intention was to convert all EA-6Bs to the ADVCAP configuration, however the program was pulled from the FY 1995 budget due to financial pressure from competing Departmt of Defse acquisition programs.
Confessions Of An A 6 Intruder Pilot
The ADVCAP development program began in the late 1980s and was divided into three separate phases: Full-Scale Developmt (FSD), Vehicle hancemt Program (VEP) and Avionics Improvemt Program (AIP).
The FSD was first used to evaluate the new AN/ALQ-149 electronic warfare system. The program used a slightly modified EA-6B to house the new system.
The VEP added several modifications to the aircraft to address deficiencies in the original EA-6B's flight characteristics, particularly yaw problems that prevented recovery from out-of-control flight. Uses authority number 158542. Changes include:
Additional modifications increased the overall weight of the aircraft by approximately 2,000 lb (910 kg) and moved the center of gravity 3% MAC backward from the EA-6B baseline. In previous models operating at constant high angles of attack, fuel migration can cause additional center of gravity shifts with the result that the aircraft has a slightly negative longitudinal static stability. . The flight test results of the new configuration show better flight characteristics and the rearward shift of the center of gravity has less impact.
New Havelock Monument Honors Military Aviation Jewel
The AIP prototype (office number 158547) shows the final configuration of the ADVCAP, which includes all FSD and VEP modifications and a new avionics suite that adds multifunction displays for all crew positions, a pilot's head-up display and dual Global Positioning/Inertial Navigation Systems. The initial joint testing phase between the contractor and US Navy test pilots was completed successfully with some setbacks.
After the program was canceled, the three experimental Prowlers, BuNo 156482, 158542 and 158547, were withdrawn from service until 1999. Over the next few years, the three aircraft were dismantled and reassembled into one aircraft, b/n 158542, nicknamed the "FrankProwler" by the Navy. It was returned to active duty on 23 March 2005.
Northrop Grumman received contracts from the US Navy to provide new electronic countermeasures for the Prowler squadron; the heart of each ICAP III kit consists of the ALQ-218 receiver and new software that provides more accurate selectively reactive radar jamming and deception and threat localization. The ICAP III kits are also equipped with a Multifunction Information Distribution System (MIDS), which includes a Link 16 data link system. Northrop delivered two batches and delivered two more in early 2010.
EA-6B Prowlers serving at the end of their service life are ICAP III versions, carrying the ALQ-99 tactical jamming system.
Grumman A 6 Intruder Attack Aircraft
Designed for carrier-based and advanced base operations, the EA-6B is a fully integrated electronic warfare system that combines long-range, all-weather capabilities with advanced electronic countermeasures.
The forward equipment bay and pod-shaped enclosure of the vertical fin houses additional avionics equipment. It is the primary electronic warfare aircraft for the US Navy and US Marine Corps. The primary mission of the EA-6B is to support ground attacks by disrupting the electromagnetic activity of the EMA. As a secondary mission, it can also collect tactical electronic intelligence in the combat zone, and another secondary mission is to attack emy radar sites with anti-radiation missiles.
The Prowler has a crew of four, a pilot and three electronic countermeasures (known as ECMO) officers. It is powered by two Pratt & Whitney J52-P-408A jet engines without afterburners and is capable of reaching speeds of up to 950 km/h with a range of 1,840 km.
Design details include a refueling probe that is asymmetrical and visible to the right to improve pilot visibility of the A-6 Intruder. It has an antenna at the root. The canopy has gold shading to protect the crew from radio emissions produced by electronic warfare equipment.
Former Usmc A 6 Pilot Explains Why The Intruder Was The Perfect Cas Aircraft
The EA-6B entered service with Fleet Replacement Squadron VAQ-129 in September 1970 and became the first operational Squadron 132 (VAQ-132) in July 1971. This squadron began its first combat deployment to Vietnam in America 11 months ago. passed, soon followed by VAQ-131 on Terprise and VAQ-134 on Constellation.
Two squadrons of EA-6B Prowlers flew 720 sorties during the Vietnam War in support of US Navy attack aircraft and USAF B-52 bombers.
Following the Achille Lauro hijacking, on 10 October 1985, Prowlers from USS Saratoga (CV-60) provided ESM support during the interception of an EgyptAir 737 carrying four of the hijackers.
Prowlers jam Libyan radar during Operation El Dorado Canyon in April 1986. Prowlers from VAQ-135 of USS Terprise (CVN-65) jam Iranian ground control radar, surface-to-air missile guidance radar, and communication systems during Operation Praying Mantis on 18 April 1988.
Grumman A 6e Intruder Arrives At Hickory Aviation Museum
A total of 39 EA-6B Prowlers, 27 from six aircraft carriers and 12 from USMC bases, were involved in Operation Desert Storm in 1991. During 4,600 flight hours, the Prowlers fired more than 150 HARM missiles. The Navy Prowlers flew 1,132 sorties and the USMC 516 without a loss.
After the retirement of the EF-111 Rav in 1998, the EA-6B was the only dedicated airborne radar jammer aircraft of the US Armed Forces until the deployment of the EA-18G Growler by the Navy in 2009. The EA-6B was flown by nearly every US combat operation since 1972 until its end in 2019 and has always flown in support of US Air Force missions.
The EA-6B took off from Eielson AFB. Note the golden shade of the housing to protect against electromagnetic interference and prevent some EM emissions
As of 2001, 124 Prowlers remained, divided among twelve Navy, four Marine, and four joint Navy-Air Force "Expeditionary" squadrons. A JCS (Joint Chiefs of Staff) study recommended that the EF-111 Rav be phased out to reduce the number of aircraft types intended for the same.
A 6e Intruder
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