文档介绍：I NATIONAL TRANSPORTATION SAFETY BOARD Washington, D. C. 20594 eed to make an emergency landing. a11 thrust was lo$*. The engines could not be restarted and the flightcrew was The National Transportation Safety Board determines that the Drobable cause of accident was the total and unique^ loss of thrust from both engines while the aft was r9ting an area of severe thunderstorms. The loss of thrust was .thrust lever movement induced severe stalline in and malor damaee to the eneine d by the ingestion of massive water and hail which bination tributing factors included the failure of pany's dispatching o provide the flightcrew with up-to-date severe weather information pertain- he aircraft's intended route of flight, the captain's reliance on airborne radar for ration of thunderstorm areas, and limitations in the Federal nical Information Service, 1 Weather Service; emergency landing. Springfield, Virginia 22151 I rity Classification Classification 21.~0. of pages (of this oaae) TABLE OF CONTENTS Page NA 1. i 1 2. I 3. I I 4. : 5. Synopsis .................... 1 Factual Information .............. 2 History of Flight ............... 2 Injuries to Persons .............. 7 Damage to Aircraft. .............. 8 Other Damage. ................. 8 Personnel Information ............. 8 Meteorological Information. .......... 9 Aids to Navigation. .............. munications. ................ 15 Aerodrome and Ground Facilities ........ 15 Flight Recorders. ............... 15 Wreckage and Impact Information ........ 17 Medical and Pathological Information. ..... 21 Fire. ..................... 21 Survival Aspects. ............... 22 Tests and Research. .............. 25 Additional Information. ............ 27 Aircraft Performance Data ........... 27 Southern Airways, Inc., Operating Procedures. . 27 Aircraft Weather Radar. ..