airport fire in OC truko Canyon quickly grows to 1,900 Acres evacuations ordered in Rancho Santa Margarita a brush fire that broke out near the site of a radio control flying Club in an unincorporated area of truko Canyon and quickly burned about 1,900 Acres on Monday September 9th was unintentionally caused by heavy equipment used by an Orange County Public Works crew authorities said the fire prompted officials to issue evacuation orders and warnings for nearby residents in Rancho Santa Margarita though by late Monday the fire was reported to be moving away from an evacuated Community The Blaze began about 1:00 p.m. along the 32,200 block of truko Creek Road near the truko Flyers club according to Orange County Fire