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Aviation History
1990
1990 - 3093.PDF
OPERATIONS: G ENERAL AVIATION The Vanguard has a 6m span and is 2.25m long Hungary reviews Israeli Vanguard UAV BY ARIE EGOZI IN TEL AVIV Hungary's Agriculture and Commerce ministries are considering the purchase of the Israeli Vanguard unmanned air vehicle (UAV) for a variety of operations including crop con trol and traffic monitoring. The twin-engined UAV is in the last phase of test flights. A Hungarian delegation is due in Israel before the end of the month to evaluate the system's capability. Vanguard was developed by a private Israeli company, Elec tronics and Aviation Systems (EAS), founded by former Is raeli Air Force experts. The glassfibre-made UAV is 3.24m long and has a wing span of 6m. It is powered by two 190cc/14.5HP air-cooled piston engines driving the set of pusher propellers. Vanguard's flight control sys tem is microprocessor-based and operates in the automatic flight mode and during manual flight. The system has a "return home" pre-programmed se quence in case the two com mand links fail. The vehicle has a maximum take-off weight of 211kg and the maximum payload is 70kg. Take-off run is up to 200m; the ceiling is 6,000m. Cruising speed is 120km/h with a maxi mum of 170 km/h. Endurance under normal conditions is 16h. Joseph Gross, managing di rector of EAS, says that the Vanguard concept was to de velop a low cost UAV system capable of civilian and military missions. One UAV will cost $140,000, "a third of the price of similar systems in the mar ket", he claims. The control station unit (CSU) costs $450,000. Besides Hungary, other cli ents are considering Vanguard for civil and military applica tions. "The use of glassfibre gives the UAV a low radar cross section," says Gross. One possible purchaser is considering Vanguard for fire detection missions. Israel's Soreq nuclear research centre is co-operating in developing the special sensors. • Aero Asahi suffers eighth crash Aero Asahi, Japan's biggest commercial helicopter op erator, suffered its eighth acci dent in 18 months when an MBB BO 105 crashed on 21 Sep tember killing the three crew. The company has been under review by the Japanese Civil Aviation Safety Bureau (CASB) since October last year: it has conducted on-site inspection of operations and maintenance at Asahi's eight locations in Japan. The latest accident, in Ya- manashi Prefecture, occured during an aerial survey of a hot spa when the helicopter hit wires. The CASB was to issue its safety procedure improvement recomendations to Asahi on 14 September this year. Asahi decided itself to cease operations for a week to con duct its own safety review. • FLIGHT INTERNATIONAL 10 - 16 October, 1990 Specify Unison Factory Remanufactured Ignition Exciters, And Get The Credit You Deserve. vjittitS Unison's Ignition Exciter program permits your distributor to give you full Unison core value as a credit on any exciter you replace, even a com petitive unit. In many cases you'll find Unison replacement a cost effective alternative to field repair or overhaul. Unison features factory rebuilt ignition exciters to the latest OEM specifications for Allison 250, Garrett TPE331 /TFE731; Lycoming ALF 502; P & WC PT6, JT15D, PW100, and 901 APU engines. They're backed by our new Full Product Replacement warranty. For More Details Contact: AERO ENGINE & AIRCRAFT SERVICES Berglaan 8,8460 Koksijde, Belgium Tel. (32) 58-520-200 Fax. (32) 58-520-400 Telex 81.679 LJINJiSON UNISON INDUSTRIES 7575 Baymeadows Way • Jacksonville, FL 32256 FAX 904/739-4006 • 904/739-4000 • TELEX 523210 Unison is the world's largest manufacturer of aircraft ignition systems with applications from primary piston trainers to the largest jumbo jets. © 1990 Unison Industries.
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