Amendment of Class D and E Airspace; Establishment of Class E Airspace; Patuxent River, MD

This action amends Class D and E Airspace at Patuxent River Naval Air Station (NAS), Patuxent River, MD, to reflect the part-time operating status of the control tower, and establishes Class E airspace designated as surface areas to accommodate Standard Instrument Approach Procedures (SIAPs) developed for the NAS. This action also corrects the geographical coordinates of the NAS and combines two airspace descriptions. This action will enhance the safety and management of IFR operations at Patuxent River NAS (Trapnell Field).