FAR 91.159's hemispheric rule keeps VFR traffic separated by altitude - here's how 'east is odd' works and why it matters.
PatternFAR 91.159 explained: fly odd-plus-500 eastbound, even-plus-500 westbound above 3,000 AGL to stay separated from oncoming VFR traffic.
PatternFAR 91.159's hemispheric rule assigns VFR cruise altitudes by direction so opposing traffic never shares an altitude - here's how it works.
PatternHow to choose a legal VFR cruise altitude under FAR 91.159's hemispheric rule - and how it changes for the Oshkosh arrival.
PatternRadio Hangar explores VFR cruising altitudes and the hemispheric rule, east is odd, west is even, the half-circle that keeps you from meeting traffic head-on.
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