START08/pre-HIPPO RF05 (AO2 did not fly on RF04) Low approach over Louisiana Several program crashes on start-up Stable and running at 16:32 (36 min. into flight) Made 080430y.*r by catting 080430a.*r and 080430f.*r (080430z.*r was a ground test post-flight, b-d are zero byte and e is short) Deleted 2 lines from 080430y.hr at end of *a.hr, 4 lines at end of *f.hr, and 1 line at end of *f.mr Relationship between posneg and o2 signal appears to be backwards Fridge trap inline, No U trap on WT side, doubled U trap (32") on SA side, 1/2" main trap O2 offset ~ 400 per meg low 17:16 Spike in O2 - cause? 17:58 Fire plume Inlet as 1/4" Synflex with first pressure control in rack - pressure/surface effect on O2 4-way in AFT position