Categories October Surprise 2024 vSpeed callouts for HotStart Challenger 650 – X-Plane.Org Forum Post author By Post date October 17, 2026 A LUA-script for v-speed callouts for the HotStart Challenger 650 v1.2 or higher. It includes callouts for 80 knots, V1, Vr, V2 (V2 is optional) and positiv rate / gear up.