I think it might have scared him quite a bit after all…..
1970 Aerostar 601 Aircraft for sale - Aero Star Usa Ltd , FL - Trade-A-Plane Inventory ID 2076612
Aerostar has no stall warner, so he must have been in the buffet all through that upwind. Not a nice place to be with this type. I was surprised it didn't fold as the stall speed is 77 with flaps.