西南航空护林总站在1999年的春航期间，3个月内先后飞行作业388架次、925h（小时），发现和通报火情133起，飞机直接灭火23起，其中：机降灭火15起、素降灭火1起、吊桶灭火7起，实施火场侦察26次，运送扑火指挥员186人，通报和侦察卫星热点265个，特别是在监测和扑灭腾冲等地境 During the spring break of 1999, Southwest Airlines Forest Wing Station successively flew 388 sorties and 925h (hours) of flying operations in 133 months, finding and reporting 133 fires and 23 direct fire-fighting of aircraft, of which 15 fires were dropped and flooded 1 fire extinguishing and extinguishing fire, 7 fire extinguishing boilers, 26 fire fighting inspections, 186 firefighter commanders, 265 hot spots for reconnaissance and satellites, especially for monitoring and suppressing Tengchong