▁the ▁Advanced ▁Technology ▁vehicle , ▁designated ▁A TV - D 0 1 . ▁It ▁we ighed ▁ ▁at ▁lift - off , ▁and ▁measured ▁ ▁long ▁with ▁a ▁diameter ▁of ▁. ▁It ▁carried ▁a ▁pass ive ▁sc ram jet ▁engine ▁comb ust or ▁module ▁as ▁a ▁demonstr ation ▁of ▁the ▁air - bre ath ing ▁prop ulsion ▁technology . ▁The ▁A TV ▁successfully ▁reached ▁Mach ▁ 6 ▁for ▁seven ▁seconds ▁and ▁maintained ▁a ▁dynamic ▁pressure ▁of ▁. ▁ ▁A TV - 0 2 ▁On ▁ 2 8 ▁August ▁ 2 0 1 6 ▁at ▁ 0 0 : 3 0   UTC , ▁the ▁second ▁test ▁flight , ▁designated ▁A TV - D 0 2 , ▁was ▁launched ▁from ▁the ▁Sat ish ▁D h aw an ▁Space ▁Centre . ▁Mass ing ▁, ▁the ▁ro cket ▁carried ▁an ▁active ▁sc ram jet ▁engine ▁demonstr ator . ▁At ▁ 5 5 ▁seconds ▁into ▁the ▁flight , ▁the ▁sc ram jets ▁ign ited ▁at ▁Mach ▁ 6 ▁and ▁function ed ▁for ▁five ▁seconds . ▁The ▁flight ▁last ed ▁a ▁total ▁of ▁about ▁ 3 0 0 ▁seconds ▁and ▁spl ashed ▁down ▁in ▁the ▁Bay ▁of ▁Beng al ▁approximately ▁ ▁from ▁the ▁space ▁centre . ▁ ▁Com b ust ion ▁was ▁sust ained ▁in ▁one ▁engine ▁for ▁ 1 8 ▁seconds ▁and ▁in ▁the ▁other ▁for ▁ 1 4 ▁seconds , ▁producing ▁net ▁positive ▁thrust . ▁ ▁See ▁also ▁▁ ▁R L V ▁Technology ▁Dem on str ation ▁Program me ▁ ▁References ▁ ▁External ▁links ▁ ▁Category