26 Oct 2016

Airborne Systems. NASA Langley Research Center HEART Concept of Operations cycle. Launch with Secondary Payload on Cargo Resupply Mission with OSC on Cygnus on modified Taurus LV, Atmospheric Interface, Cygnus phasing to ISS, Cygnus berthed with ISS. 90 days. Cygnus separate from ISS, Cygnus phases to entry - deorbit burn, Cargo Module with HIAD stowed, 10 minutes. SM separates, performs 2nd deorbit burn. Cargo Module with HIAD inflated, 15-20 minutes. Entry Mass 3300-3500 kg. Recovery options: Baseline, water landing, no recovery. Recovery option includes use of supersonic drogue parachute staging to subsonic main parachute.