Modifications of the Dimensions of the Grand Canyon National Park Special Flight Rules Area and Flight Free Zones

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On April 4, 2000, the FAA published two final rules regarding commercial air tour operations over Grand Canyon National Park (GCNP). The first rule, Commercial Air Tour Limitation in Grand Canyon National Park Special Flight Rules Area, limited the number of commercial air tour operations that may be flown in the GCNP Special Flight Rules Area (SFRA) on an annual basis. This rule became effective on May 4, 2000. The second rule, Modifications of the Dimensions of the Grand Canyon National Park Special Flight Rules Area and Flight Free Zones, modified the airspace in the SFRA to accommodate a new route system for commercial air tour operations and to expand the amount of airspace overall protected by flight free zones. This rule initially was scheduled to become effective December 1, 2000. After several delays, the new routes and airspace were adopted for the west end of the GCNP SFRA on April 19, 2001. The routes and airspace on the east end of the GCNP SFRA were stayed several times after adoption of the final rule. The east and routes and airspace are scheduled to be implemented December 1, 2001. This rule extends the implementation of the Airspace Modification Final Rule until F