Loren French, with Alpine Flight Training, teaches an introductory mountain flying course aimed at piston-engine pilots navigating below 12,000 feet in VFR conditions. Here’s his guidance on weather minimums for pilots new to mountain flying:

What are Your Mountain Flying Wx Minimums?
- Visibility: Minimum 10 miles along your route
- Wind Aloft: Maximum 25 knots forecast between 9,000 and 12,000
- Cloud bases: 2,000 feet above all ridges and passes along your route
Weather minimums are part of Loren’s guidance to develop a strategy that puts conditions in your favor. If your weather minimums cannot be met look for a suitable alternate route, delay the flight or cancel and rent a car.
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