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FLIGHT TEST RESULTS OF THE CONTROLLED FLIGHT INTO TERRAIN AVOIDANCE MANEUVER IN FLY-BYWIRE TRANSPORTS Airworthiness Performance Evaluation and Certification Committee Captain Ron Rogers, Chairman March 1, 1999 Air Line Pilots Association Table of Contents I. Abstract................................................................................................................................................................. 2 II. Introduction......................................................................................................................................................... 2 A. Purpose of Flight Test....................................................................................................................................... 2 B. Ground Proximity Warning Systems................................................................................................................. 3 C. CFIT Escape Maneuvers................................................................................................................................... 3 III. Test Plan ............................................................................................................................................................ 5 A. Test Articles/Locations ..................................................................................................................................... 5 B. Maneuvers/Test Points...................................................................................................................................... 6 C. Test Methods ..................................................................................................................................................... 6 IV. Discussion of Results ......................................................................................................................................... 7 A. Airbus A330-200............................................................................................................................................... 7 B. Boeing B-777-300........................................................................................................................................... 12 V. Lessons Learned................................................................................................................................................ 17 A. Simulation ....................................................................................................................................................... 17 B. Aircraft Flight Test.......................................................................................................................................... 17 C. General............................................................................................................................................................. 18 VI. Conclusions/Reccommendations .................................................................................................................... 18 I. Abstract Controlled Flight into Terrain (CFIT) is the leading causes of aviation accidents.1 A test program was developed to compare the CFIT maneuver performance capabilities of aircraft with hard versus soft Fly-By-Wire (FBW) flight control systems. To obtain this data, simulated CFIT avoidance maneuvers utilizing a Boeing 777-300 and an Airbus A330-200 were performed. These tests were performed at the Boeing Flight Test Facility in Seattle, Washington and the Airbus Flight Test Facility at Toulouse, France. This flight test had a two-fold purpose. The first was to evaluate the effectiveness and appropriateness of a recovery technique that was developed for convention aircraft without regard for the flight envelope protections incorporated in modern FBW aircraft. The second purpose was to develop and/or evaluate CFIT escape maneuvers that utilize the maximum capability of the aircraft afforded by the protections incorporated in their respective FBW flight control systems. As a direct result of this flight-test activity, one major US operator of Airbus aircraft (United Airlines) has changed the CFIT escape maneuver for these aircraft. II. Introduction A. Purpose of Flight Test · To evaluate the effectiveness and appropriateness of a recovery technique that was developed for convention aircraft without regard for the flight envelope protections incorporated in modern FBW aircraft. 1 CFIT Training Aid, section 3 page 3.3. Revision 14.0 3 · To evaluate and/or develop CFIT escape maneuvers that utilize the maximum capability of the aircraft afforded by the protections incorporated in their respective FBW flight control systems. B. Ground Proximity Warning Systems www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：FLIGHT TEST RESULTS OF THE CFIT AVOIDANCE IN FLY-BY-WIRE TRA
