Summary: The FAA has classified airspace around Havre, MT as "national defense airspace" and all aircraft flight operations are prohibited within this area. Exc

Summary: The FAA has classified airspace around Havre, MT as "national defense airspace" and all aircraft flight operations are prohibited within this area. Exceptions are made for national security and law enforcement aircraft, as well as air ambulance and other urgent government response aircraft. All aircraft already airborne when the restriction is enacted must exit the area as quickly and safely as possible.