• OCTOBER 28, 1985 P. 73 McDonnell Douglas Corp. has begun low-speed wind tunnel tests of its F-l5 short takeoff and landing (STOL) maneuvering demonstrator aircraft, using a 7% model in the company's own wind tunnel. Tests of the model, which is shown being adjusted by a McDonnell Douglas technician, will determine how the airflow from the thrust reversing engine nozzles installed on the experimental F-l5 fighter will affect the aerodynamics of the aircraft at low speeds. Highspeed wind tunnel testing will begin later this year. The F-l5 STOL demonstrator aircraft is scheduled to make its first flight in 1988.
• December 12, 1983 P. 44 (4 Pages) McDonnell Douglas Proposes Modifying F-15 Fighter Into STOL Demonstrator McDonnell Douglas Corp. has submitted a proposal to the U. S. Air Force to modify a single F-15 fighter into a short takeoff and landing (STOL) demonstrator aircraft. The configuration, shown in an artist’s rendering based on a two-place F-15, would include movable canards mounted on the engine inlets forward of the main wing. The design
• January 12, 1981 P. 36 (5 Pages) Rolls-Royce Pegasus engine has the burner in the plenum chamber (top), used to augment thrust to achieve supersonic speed in a V/STOL aircraft. Fuel is burned in the duct that supplies air to the front or cold nozzles. The boost to the nozzles is approximately 100%, with an overall engine boost of 50%.
• January 12, 1981 P. 36 (5 Pages) Flame holder or colander was designed by Rolls-Royce for the Pegasus engine used with a proposed supersonic V/STOL aircraft, based on the design of the Marine Corps/McDonnell Douglas AV-8B. The company has resumed tests with plenum chamber burning using the colander in the front nozzles of a Pegasus engine to augment and increase engine thrust by 50%. The colander fits in each side of the plenum chamber, which feeds the bypass air from the fan to the front nozzles.
• January 12, 1981 P. 36 (5 Pages) Marine Corps/McDonnell Douglas AV-8B aircraft takes off armed with Mk. 82 bombs during the development flight test program. The vertical/short takeoff and landing aircraft has twice the payload/range capability of the AV-8A and can carry a weapons load of 9,000 lb. on seven weapons stations—conventional and guided bombs, air-to-air missiles, and a gun system.
• January 12, 1981 P. 36 (5 Pages) McDonnell Douglas and Rolls-Royce plan to propose a development and flight test program for a supersonic Mach 1.6 V/STOL aircraft as a follow-on to the Marine Corps AV-8B Advanced Harrier. The flight demonstration vehicle would be a modified British Aerospace/Marine Corps AV-8A using a Pegasus 11 engine with plenum
• January 12, 1981 P. 36 (5 Pages) McDonnell Douglas artist’s concept shows a second-generation vertical/short takeoff and landing fighter aircraft capable of operating at Mach 2. The aircraft would be powered by a single RollsRoyce engine using plenum chamber burning to augment thrust. The engine would be derived directly from the Pegasus engine now
• January 12, 1981 P. 36 (5 Pages) McDonnell Douglas and Rolls-Royce are proposing a flight demonstration program using a modified AV-8A Harrier from the Marine Corps. Two operational derivative designs are being considered after the demonstration program for USAF, Navy or United Kingdom use. Design at left takes advantage of the existing aerody-
• August 21, 1961 P. 85 Douglas A4D lands in sod field with drag chute beginning to deploy and speed brakes extended. U. S. Army completed a 9½ week evaluation of three aircraft which are candidates to serve as an interim tactical fighter until a projected V/STOL tactical fighter with transatlantic ferry range is developed.
• April 11, 1983 P. 28 (3 Pages) Ames Will Test Model of Supersonic V/STOL Fighter Scale model of a supersonic V/STOL fighter designed by McDonnell Douglas will be tested at National Aeronautics and Space Administration’s Ames Research Center this spring. The design, Model 279-3, will have canard wings and a plenum chamber burning engine. The aircraft would have a Mach 2 top speed and carry two long-range and two medium-range missiles and air-to-ground ordnance weighing 18,000 lb.
• March 15, 1965 P. 72 (4 Pages) Wide WorldUSAF B-57 BOMBERS crowd area of Bien Hoa Airbase, South Vietnam, where Viet Cong mortar fire destroyed other B-57s Nov. 1. Vietnamese Skyraiders are in background.
• March 15, 1965 P. 72 (4 Pages)
• March 15, 1965 P. 72 (4 Pages) UPIGROUND CREW LOADS 500-lb. bombs under wings of F-100 at Da Nang Airfield, South Vietnam, for Mar. 2 raid against a naval base and ammunition depot in North Vietnam.
• March 15, 1965 P. 72 (4 Pages)
• March 15, 1965 P. 72 (4 Pages) Wide WorldUSAF REPUBLIC F-105, one of 160 aircraft in strike against Viet Cong Mar. 2, taxis after landing at Da Nang, South Vietnam. North American F-100 takes off in background.
• March 15, 1965 P. 72 (4 Pages) UPIUSAF CREWMEN OF KAMAN HH-43 helicopter near Da Nang practice technique used in rescue operations during Mar. 2 air strike. Reportedly, six attacking aircraft were lost.
• March 15, 1965 P. 72 (4 Pages)
• November 10, 1980 P. 51 British Aerospace Corp. expects it could sell 100 of the proposed Mk. 5 version of the Harrier V/STOL strike fighter aircraft if it is selected by the British Royal Air Force to replace the Mk. 1-4 versions. The British Defense Ministry is evaluating both the Mk. 5 Harrier, developed by British Aerospace, and the McDonnell Douglas AV-8B version of the aircraft, developed for the U. S.

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