题名: | SAFETY RECOMMENDATIONS ADOPTED DURING THE MONTH OF MARCH, 1999 |
关键词: | recommend;endat;march;adopt;ring;safety;transport;national;through;public |
摘要: | This publication contains safety recommendations in aviation (only) mode of transportation adopted by the National Transportation Safety Board during the month of March, 1999. AVIATION A-99-16 through 18 |
报告类型: | 科技报告 |