Huh? Not really, Buran used instrument approach and landing, assisted by the Vympel-N system on the ground, just like Shuttle or any other aircraft. The only re

Huh? Not really, Buran used instrument approach and landing, assisted by the Vympel-N system on the ground, just like Shuttle or any other aircraft. The only relatively innovative thing in the Buran EDL sequence was the fully automated decision making procedure which enabled the divert maneuver. (you're probably thinking of this when calling it autonomous)