Cold-Weather Flight Operations

When living in a locale with winter weather cold enough for clichs and wanting to commit aviation, there are three alternatives for coping: 1) Borrow a snowplow and drive south-when someone asks, "Whats that?" stay there and fly; 2) subdue the urge (as did 1920s barnstormers, realizing the oversupply in warmer climes would cause them to starve), secure the airplane, rent a hotel room and hibernate after contracting with a bootlegger for regular deliveries; or, 3) keep flying. While not expressing a preference, our habit has been to continue flying while modifying our behavior. Among the changes is realizing winter means more than cold: It means fewer hours of daylight, so more-risky night flying also is likely. It means everything takes longer to accomplish, be it as mundane as putting on appropriate flying attire or as complex as readying a tied-down airplane for flight. It means hurrying means radically increasing the chance of making a small mistake and, in winter, small mistakes are far more likely to have a fatal outcome than in summer.

rdurden

Friday, November 21, 2008 at 12:00 AM ET

Verified

Key Takeaways:

Winter flying introduces unique challenges beyond just cold, including reduced daylight, increased risk of airframe icing, sudden visibility loss from snow, and the heightened criticality of even minor mistakes, demanding modified pilot behavior and thorough planning.
Essential aircraft preparation for winter involves specific modifications (e.g., removing wheel pants, installing winterization kits), ensuring proper seals, carrying a reliable carbon monoxide detector, and always preheating piston engines below 40°F for optimal lubrication and reliable starting.
Operational procedures must be adapted, requiring unhurried preflights to check for issues like ice blockages, careful engine starting at low RPM, slower taxiing with precise control on slippery surfaces, and preparedness for frozen brakes during both takeoff and landing.
Pilots must maintain acute awareness of environmental conditions such as "flat light" which severely impacts depth perception during landing, and exercise extreme caution during all ground operations to avoid sliding off surfaces or hitting obstacles.