The average cost of modeling a plane for AH is about $30k+.
Much more goes into it than just the basic shell of the AC.
The interior, functioning dashboard, animations (prop, wheels, flaps, pedals, stick, guns), damage modeling, flight characteristics, sounds, default skins, testing, and stuff not listed.
If I remember right Pyro did animations.
The chance of a new plane at this stage is like 0. Or in HT’s words, absolutely not.