ORIGINAL: Torch39
I was thinking that too.. but the indicator on the remote is still green. although they are the orginals from probally 6 months ago 2 and half quarts of gas ago.
what about the on-board batteries? did you check those?
also, look for any damage to the rx antenna.
and good for you for having your fail safe set! so many a RC'er forgets to do such things and disaster strikes!