VFR weather minimums are one of the most-tested topics on the FAA written — and one of the most missed, because students try to brute-force the table. Understand the logic and it gets much easier.

The core idea

Minimums exist so you can see and avoid other aircraft and obstacles. The faster traffic moves and the busier the airspace, the more separation from clouds and the more visibility you need.

The pattern that ties it together

In most controlled airspace below 10,000 ft MSL, the classic figure is 3 statute miles visibility and "3-152": 500 ft below, 1,000 ft above, 2,000 ft horizontal from clouds. Above 10,000 ft MSL, aircraft move faster, so it jumps to 5 SM and 1,000 ft below / 1,000 ft above / 1 SM horizontal.

Class G is the exception

Uncontrolled (Class G) airspace is more permissive at low altitude — for example, 1 SM and clear of clouds by day below 1,200 ft AGL — because there's less fast traffic down low.

A worked example

Day VFR at 6,500 ft MSL in Class E: you need 3 SM visibility and 500 below / 1,000 above / 2,000 horizontal from any cloud. A scattered layer 400 ft above you? That violates the 1,000-ft-above rule — you're not legal VFR there.

Frequently asked questions

Why memorize "3-152"?

It's a memory hook for the most common case, but always connect it to the see-and-avoid reason — that's how you answer the airspace variations correctly.

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