General Dynamics Fighter Jets - Geral Dynamics - The Grumman EF-111A Rav is an electronic warfare aircraft that replaces the EB-66 Destroyer in the United States Air Force. Its operators and maintainers often call it the "Spark-Vark", a play on the F-111's "Aardvark".
The USAF contracted Grumman in 1974 to convert the conventional General Dynamics F-111A to electronic warfare/electronic control systems (ECM).
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The USAF considered the Navy/Marine Corps Grumman EA-6B Prowler, but wanted a fast fighter with incredible speed. The EF-111 entered service in 1983 and was retired in 1998.
General Dynamics F 111 Aardvark
In the late 1960s, the United States Air Force sought to replace its aging EB-66 and EB-57 aircraft. The Air Force studied the use of the Navy's EA-6B Prowlers from 1967 to 1968.
Grumman was selected as the EF-111 contractor in December 1974, and in January 1975 was awarded a contract to convert two F-111As into EF-111 prototypes.
The first fully equipped model, known as the "Electric Fox", took off on March 10, 1977. A total of 42 aircraft were modified at a cost of USD 1.5 billion. The first EF-111s were delivered in November 1981 to the 388th Tactical Electronic Squadron at Mountain Home AFB, Idaho.
Front end of EF-111A Rav with tail receiver and lower transponder attached to F-111F
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The Rav retained the F-111A's navigation system and improved AN/APQ-160 radar, especially for mapping. However, the main feature of the Rav was the AN/ALQ-99E mixing system, developed from the Navy's ALQ-99 on the Prowler. The aircraft also used the ALR-62 Countermeasures Receiving System (CRS) as a Radar Homing and Warning (RHAW) system, the same system carried by all F-111 fighter/bomber models in the US and Australia. The ALQ-99E electronic equipment was mounted in the armor plate, the transmitter was mounted in a 16.9 meter long vtral "canoe"; the entire installation weighed 6,000,000 pounds (2,700 kg). The receiver is mounted in a fin end or "ball" similar to the EA-6B. The aircraft's electrical and cooling systems had to be significantly upgraded to support the equipment. The cockpit was also redesigned, where all flight indicators and flight controls were moved to the pilot's side, with the exception of the pilot, flight control was moved to the other side, where the electronic warfare instructions and controls were located. installed.
The EF-111 was unarmed. His speed and agility were his main defensive tools. It was not capable of firing anti-aircraft missiles in the Air Defense Forces (SEAD) role, which was a hindrance. The Rav's engine was upgraded to the powerful TF30-P-9 D model with 12,000,000 lbf (53 kN) dry and 19,600 lbf (87 kN) afterburner.
From 1987 to 1994, the "Spark 'Vark" operated the Avionics Upgrade Program (AMP), similar to the F-model's Pacer Strike program. This added the AN/ASN-41 ring laser gyroscope INS, the AN/APN-218 Doppler radar, and the improved AN/APQ-146 tracking radar. The cockpit display has been expanded with a number of functions.
The EF-111A was popularly named Rav, although in service it was designated "Spark 'Vark". EF-111s first saw combat with the 20th Tactical Fighter Wing at RAF Upper Heyford in 1986 during Operation El Dorado Canyon against Libya and Operation Just Cause in Panama in late 1989.
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The Rav participated in the Gulf War in 1991 during Desert Storm. On January 17, 1991, a USAF EF-111 crew of Capt. James Dton and Brt Brandon accidentally attempted to kill an Iraqi Dassault Mirage F1, they manage well. . on land, the only member of the F-111/FB-111/EF-111 family to achieve a successful flight against other aircraft.
No Coalition aircraft lost a radar-guided missile during Desert Storm while the EF-111 Rav was on station.
Killing the pilot, Capt. Douglas L. Bradt, and the pilot, Capt. Paul R. Eichlaub. It was the only EF-111A lost in combat, the only casualty of its crew, and one of three EF-111s lost in flight.
However, it is disputed whether there was an emy perst at the time, as two F-15Es observed the Ratchet 75 violt maneuvers and crashed immediately, there being no enemy aircraft in the area.
The General Dynamics (now Lockheed Martin) F 16 Fighting Falcon Is A Single Engine Multirole Fighter Aircraft Originally Develop Stock Photo
EF-111s were deployed to Aviano Air Force Base, Italy in support of Operation Deliberate Force in the mid-1990s. The Rav flew in Reassurance, Operation North and Operation South.
The Rav's last transfer was a group of EF-111s stationed at Al Kharj/Prince Sultan Air Base in Saudi Arabia until April 1998.
Shortly thereafter, the USAF began retiring the last EF-111As and placing them in storage at the American Aerospace Maintenance and Regeneration Center (AMARC) at Davis-Monthan AFB, Arizona. The last EF-111 retired on May 2, 1998 at Cannon AFB, New Mexico. These are the last USAF F-111s in service.
EF-111, s/n 66-0057, on display at the United States Air Force Museum, Dayton, Ohio
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Three of the modified aircraft were destroyed in accidents, four were put on display, and another 35 were scrapped.
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