I live in upstate new york and got a couple nice clones goin. i see choppers fly over my area every now and then. and i am positive if i was in the air i would know exactly what was on the ground if i flew over my site. but would the DEA or whoever uses copters even care about only 2 plants, or maybe not notice them? im prolly bein paranoid but better safe than sorry.
Helicopters r expensive to run,so unless you live in a hot spot like cali,hawaii,kentucky,TN,I wouldn't much worry especially just 2 plants.I had a grow under a life flight ,flight path and it was def noticeable from the air 50 plant roughly plus bare clayish earth quite large and never had a problem besides divin in the bushes if it flew over while we where there.