Research Results For 'F-111'

EF-111A

The EF-111A (Raven) is an American electronic countermeasures support aircraft. It is a modified F-111A. Exterior modifications include a narrow canoe-shaped radome, about 4.85 metres long, mounted under the fuselage, which house antennas for the high-powered jamming transmitters. Also, a fin-tip pod is mounted on the reinforced vertical stabilizer to house receiving antennas and ancillary equipment, including a processor to detect hostile radar emissions. Interior modifications include a rearranged cockpit - the right-seat crew member is an electronic warfare officer responsible for navigation, terrain-following flight and electronic warfare operations. The electronic warfare officer plans jamming tactics in advance, and then programs, operates and monitors the jamming system.

A self-protection subsystem is designed to protect the EF-111A against radar-directed, anti-aircraft artillery, and missile or aircraft threats. The EF-111A provides protection by using a jamming orbit where it stands off from threat radars to cover friendly aircraft entering and leaving the threat areas, or by using the aircraft's high-performance capabilities to directly support attacking forces. In the direct support mission, the Raven may fly as in escort position or enter a threat area to the best jammer position. Ravens engaged in direct support often use the extensive night terrain-following capability built into the basic F-111 design.
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F-111

The General Dynamics F-111 Aardvark is a series of American two-seater variable-geometry all-weather strike and attack warplanes that first entered service in 1967. The F-111A was the world's first variable-geometry warplane to enter production and service. The F-111F model is powered by two Pratt and Whitney TF30-P-100 turbofans providing a top speed of Mach 2.5 and a range of 4700 km. Armaments consist of one 20 mm General Electrics M61A1 Vulcan rotary six-barrel cannon an up to 31500 lbs of disposable stores carried in a lower-fuselage weapon bay and on six under-wing hard points.
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