Littlepip claims her TK can hold up a Bus.

“And,” I assured Velvet Remedy, “if that happens, I think my telekinesis is strong enough by now to keep us going long enough to land safely.” There was no way I could lift that much for a prolonged period, not enough to travel anywhere at least; but I was completely confident that I could keep us aloft even if the spark batteries died and Calamity fell asleep. For a few minutes.

Fallout Equestria: Chapter 20