Michigan Compiled Laws
Act 259 of 1959 - Tall Structure Act (259.481 - 259.493)
Section 259.482c - Width of Approach Surface; Outward and Upward Extension of Approach Surface.

Sec. 2c.
(1) Based upon the most precise approach available or planned for the end of a runway, the width of the approach surface at the end of the primary surface equals the width of the primary surface and expands uniformly to the following maximum width:

(a) For the end of a utility runway regardless of the available or planned approach, or for the end of other than a utility runway which end has only a visual approach procedure, a slope of 20 to 1 for 5,000 feet from the end of the primary surface.
(b) For the end of other than a utility runway, which end has a nonprecision instrument approach procedure, a slope of 34 to 1 for 10,000 feet from the end of the primary surface.
(c) For the end of other than a utility runway, which end has a precision instrument approach procedure, a slope of 50 to 1 for 10,000 feet from the end of the primary surface and, from that point, a slope of 40 to 1 for an additional 40,000 feet.
History: Add. 1986, Act 296, Eff. Apr. 1, 1987

Structure Michigan Compiled Laws