3 planes breach no-fly zone over Obama vacation AP 2/18/2013 2:09:08 PM (AP) 3 planes breach no-fly zone over Obama vacationPALM CITY, Fla.Federal Aviation Administration officials say they're investigating three more apparent breaches of the no-fly zone above President Barack Obama's vacation spot along Florida's Atlantic coastline.According to the FAA, a Lancair 320 allegedly entered the temporarily restricted airspace Saturday afternoon. The plane was flying from Boca Raton to DeLand.On Sunday morning, FAA officials say a Cessna allegedly entered the restricted flight area. The plane landed at Okeechobee Airport.A Robinson R44 helicopter allegedly entered the restricted zone Sunday afternoon. The FAA says the helicopter landed at Okeechobee Airport.Two F-16 military jets escorted a small plane away from the no-fly zone over Palm City on Saturday morning. U.S. Army Lt. Col. Mike Humphreys said the planes forced the Cessna 152 to land in Witham Field in Stuart.