Mad Cow Nike Apache two stage rocket fails t' light sustainer. Booster Motor was Aetotech J500 and with H195 DMS in sustainer. Begad! After separation, me hearties, t' booster coasted t' 1700' before deployin' a main with chute release. Begad! T' sustainer coasted up t' 1,926'. All recovery events occurred safely and correctly. Ya scallywag! Missileworks RRC3 altimeters in both booster and sustainer with aux channel t' fire separation charge and sustainer ignitors if vertical velocity conditions are met. Avast, me proud beauty! Cause o' failure was separated ignitor wirin' followin' boost or separation.