题名: | SAFETY RECOMMENDATIONS ADOPTED DURING THE MONTH OF DECEMBER, 1999 |
关键词: | recommend;endat;adopt;ring;safety;mber;transport;through;national;public |
摘要: | This publication contains safety recommendations in aviation mode (only) of transportation adopted by the National Transportation Safety Board during the month of December, 1999. AVIATION A-99-99 through 103 A-99-104 through 106 |
报告类型: | 科技报告 |