Transport i infrastruktura · 01/06/2010
Modification of Class E Airspace at West Yellowstone, MT to Support New GPS SIAP
The Federal Aviation Administration (FAA) is modifying Class E airspace at West Yellowstone, MT, to enable safe Instrument Flight Rules (IFR) operations at the airport, following the introduction of a new Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP)