I must be missing something here. Why are gliders incapable of IFR flight? The relevant rule seems to me to be:
Jim
You answered your own question . They are not capable of level flight so cannot fly instrument flight rules.
I get your point which seems to be a loophole in the regs and against the meaning of the regs.
Interesting because you are saying that theoretically you could file a suitably equipt glider IFR?
They can fly IMC which is slightly different
Thanks for the info on transponders
pace