Potomac TRACON NewsLatest News On Potomac TRACON FAA Issues Ground Stops at DC-Area Airports Due to Environmental Issue at Government Facility3/28/2026 11:24 AM FAA Grounds Flights at Several Airports Due to Strong Odor from Government Facility3/14/2026 12:38 PM NTSB Investigates Data Suggesting Black Hawk Was Above Ceiling During Fatal Collision2/5/2025 6:44 PM NTSB Investigates New Data: Black Hawk Helicopter May Have Exceeded Flight Ceiling in Fatal Mid-Air Collision2/5/2025 1:14 PM