20:03 UT Takeoff from Christchurch for mission south. 20:39 up to 18k ft. and ferry south. 22:47 start descent at about 53.5 deg. S. 22:55 start 10k ft. leg; at 23:12 go up to 12 k ft. 23:26 end 10k ft. leg and descend to 6k ft. 23:34 start 6k leg; ascend to 6.2k ft. to avoid clouds. Solid Sc cloud below; later cirrus above. 24:04 end leg and descend 24:11 start 100 ft. leg. cloud top at 5.2k ft.; cloud base at 3.5k ft. dry layer just above cloud. 24:41 end leg at about 59.5 deg. south, turn and ascend to 7k ft., 24:49 up to 7k ft. and descend. cloud top at 5.7k ft. 24:54 start 1k ft. leg 25:24 end leg and ascend 25:27 start 2.6k ft. leg 25:56 end leg and ascend 25:59 start leg at 6k ft. 26:29 end leg and start ascent to 18k ft. 27:29 ascend to 19k ft. 28:00 start descent 28:27 land at Christchurch