WASHINGTON, March 23 (TNSFR) -- The U.S. Department of Transportation Federal Aviation Administration (FAA) has issued a final rule establishing Class E airspace extending upward from 700 feet above the surface for the Memorial Hospital Heliport in North Conway, New Hampshire. The new airspace designation is intended to support instrument flight rules (IFR) operations at the heliport and accommodate new area navigation (RNAV) global positioning system (GPS) standard instrument approach procedu  more