C.F.R. » Title 14 » CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER F—AIR TRAFFIC AND GENERAL OPERATING RULES › PART 91—GENERAL OPERATING AND FLIGHT RULES › Subpart B—Flight Rules

14 C.F.R. § 91.159

VFR cruising altitude or flight level

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Except while holding in a holding pattern of 2 minutes or less, or while turning, each person operating an aircraft under VFR in level cruising flight more than 3,000 feet above the surface shall maintain the appropriate altitude or flight level prescribed below, unless otherwise authorized by ATC:

(a) When operating below 18,000 feet MSL and—

(1) On a magnetic course of zero degrees through 179 degrees, any odd thousand foot MSL altitude + 500 feet (such as 3,500, 5,500, or 7,500); or

(2) On a magnetic course of 180 degrees through 359 degrees, any even thousand foot MSL altitude + 500 feet (such as 4,500, 6,500, or 8,500).

(b) When operating above 18,000 feet MSL, maintain the altitude or flight level assigned by ATC.

[Docket 18334, 54 FR 34294, Aug. 18, 1989, as amended by Amdt. 91-276, 68 FR 61321, Oct. 27, 2003; 68 FR 70133, Dec. 17, 2003]
Notes of Decisions
Cited in 1 case, 1996–1996 · leading case: Cappello v. Duncan Aircraft Sales of Florida, Inc., 79 F.3d 1465 (6th Cir. 1996).
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Cappello v. Duncan Aircraft Sales of Florida, Inc., 79 F.3d 1465 (6th Cir. 1996). “14 C.F.R. § 91.159 . . Runways are designated by compass headings.”
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