This subpart prescribes special operating rules for all persons operating aircraft in the following airspace, designated as the Grand Canyon National Park Special Flight Rules Area: That airspace extending from the surface up to but not including 18,000 feet MSL within an area bounded by a line beginning at Lat. 35°55&min;12&sec; N., Long. 112°04&min;05&sec; W.; east to Lat. 35°55&min;38&sec; N., Long. 111°42&min;12&sec; W.; north to Lat. 36°16&min;47&sec; N., Long. 111°42&min;17&sec; W.; to Lat. 36°24&min;49&sec; N., Long. 111°47&min;45&sec; W.; to Lat. 36°52&min;23&sec; N., Long. 111°33&min;10&sec; W.; west-northwest to Lat. 36°53&min;37&sec; N., Long. 111°38&min;29&sec; W.; southwest to Lat. 36°35&min;02&sec; N., Long. 111°53&min;28&sec; W.; to Lat. 36°21&min;30&sec; N., Long. 112°00&min;03&sec; W.; west-northwest to Lat. 36°30&min;30&sec; N., Long. 112°35&min;59&sec; W.; southwest to Lat. 36°24&min;46&sec; N., Long. 112°51&min;10&sec; W.; thence west along the boundary of Grand Canyon National Park (GCNP) to Lat. 36°14&min;08&sec; N., Long. 113°10&min;07&sec; W.; west-southwest to Lat. 36°09&min;50&sec; N., Long. 114°01&min;53&sec; W.; southeast to Lat. 36°06&min;24&sec; N., Long. 113°58&min;46&sec; W.; thence south along the boundary of GCNP to Lat. 36°00&min;23&sec; N., Long. 113°54&min;11&sec; W.; northeast to Lat. 36°02&min;14&sec; N., Long. 113°50&min;16&sec; W.; to Lat. 36°02&min;16&sec; N., Long. 113°48&min;08&sec; W.; thence southeast along the boundary of GCNP to Lat. 35°58&min;09&sec; N., Long. 113°45&min;04&sec; W.; southwest to Lat. 35°54&min;48&sec; N., Long. 113°50&min;24&sec; W.; southeast to Lat. 35°41&min;01&sec; N., Long. 113°35&min;27&sec; W.; thence clockwise via the 4.2-nautical mile radius of the Peach Springs VORTAC to Lat. 35°28&min;53&sec; N., Long. 113°27&min;49&sec; W.; northeast to Lat. 35°42&min;58&sec; N., Long. 113°10&min;57&sec; W.; north to Lat. 35°57&min;51&sec; N., Long. 113°11&min;06&sec; W.; east to Lat. 35°57&min;44&sec; N., Long. 112°14&min;04&sec; W.; thence clockwise via the 4.3-nautical mile radius of the Grand Canyon National Park Airport reference point (Lat. 35°57&min;08&sec; N., Long. 112°08&min;49&sec; W.) to the point of origin.

[Doc. 28537, 61 FR 69330, Dec. 31, 1996; Amdt. 93-73, 62 FR 2445, Jan. 16, 1997]