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Aviation History
1989
1989 - 2243.PDF
TECHNICAL: DEFENCE BAe ALARM to test definitive motor dual-burn motor, Bayern Chemie's tv British Aerospace has com pleted the second phase of testing of its ALARM air- launched anti-radiation missile. The third and final test phase will start on schedule in September, initially in the UK and then at the US Naval Weapons Center at China Lake, California, says BAe. Previous tests have used an interim rocket motor taken from the Firestreak air-to-air missile, but the definitive Bayard motor, developed for ALARM by West Germany's Bayern Chemie, will be ready for the third test series. The Bayard is undergoing final qualification firing trials, includ ing ground launches of represen tative missiles. The Firestreak motor does not have the power to boost ALARM to high enough altitude to test fully the parachute-loiter mode of attack, so earlier tests concentrated on clearing the non-loiter modes. Development of ALARM'S major subsystems has been British Aerospace and Indonesia's Nusantara Air craft Industry (IPTN) are to set up an industrial co-operation programme, following the visit to UK of Dr B J Habibie, Indonesia's Minister of State for Research and Technology, who is also the head of IPTN. As a first step, 25 Indonesian undergraduates and graduates US Navy names Three teams have been awarded $5 million contracts for 18-month demonstration and validation of the US Navy's advanced interdiction weapon system (AIWS), a family of low-cost, short-to-medium-range standoff missiles to enter service in the mid-1990s. AIWS is intended to attack enemy air defences, and the Navy plans to introduce a basic weapon which can be pro gressively upgraded. The three Replacing ALARM'S Royal Ordnance completed, and, in the majority of cases, their production stan dards are fully defined. The Marconi Defence Systems seeker head has satisfactorily completed all its individual trials, and units are being delivered to BAe's Stevenage factory to the standard will study aeronautical and general engineering at British universities, and carry out voca tional training with BAe. Discussions are also under way to explore possibilites for IPTN to carry out further subcontract and co-operative aerospace work and for exchange postings of British Aerospace and Indonesian design engineers. • lissile teams teams are McDonnell Douglas/ Hughes Aircraft, LTV/Texas Instruments, and Boeing Aerospace with Honeywell and Smiths Industries. McDonnell Douglas, LTV, and Boeing will be responsible for airframe design, and Hughes, TI, and Honeywell/SI for the avionics, which includes datalink and inertial and satellite-based navigation, with a terminal seeker to be added in later versions of the weapon.- • that will enter service. The complete electronics section, comprising the seeker, mission control unit, navigation unit, and actuators, has under gone extensive proving in "hardware-in-the-loop" trials. These trials, using BAe's model- Aermacchi takes Aermacchi has developed a .system to measure loads on aircraft while flying. The airborne strain counter has undergone 500h of flight test on two Aermacchi MB.339 trainers, and will be installed in ten Aeritalia/ Aermacchi/Embraer AMX attack aircraft to monitor the fatigue life of major structural components. The system comprises an i-stage motor is almost ready to fly ling techniques, will continue to refine ALARM'S software and explore the most complex missile and target scenarios. ALARM is on order for the RoyalAirForce, andwillenter ser vice in the early 1990s, initially on the Panavia Tornado GR.l.n the strain eight-channel airborne strain counter to acquire, compact, and store load data, and a portable ground support unit to transfer the data on to a floppy disc for processing by a ground-based main computer. Aermacchi is offering a turnkey system, including installation of sensors and periodic data "milking" and issuing reports. • BAe sets up Indonesian industrial co-operation FLIGHT INTERNATIONAL 22 July 1989 17
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