Why might a pilot request de-icing procedures even in light snow?

The reason a pilot might request de-icing procedures even in light snow revolves around ensuring optimal safety margins and aircraft performance. Ice and snow, even in small amounts, can accumulate on critical surfaces of the aircraft such as wings, tail, and control surfaces. This accumulation can significantly impact the aircraft's aerodynamics, leading to reduced lift, increased drag, and compromised control, especially during critical phases of flight such as takeoff and landing.

By opting for de-icing procedures, the pilot takes a proactive approach to eliminate any potential hazards that could arise from ice and snow buildup. This not only enhances safety by maintaining the aircraft's performance capabilities but also helps ensure compliance with regulations and operational guidelines that prioritize safety. In winter weather conditions, even light snow can lead to unforeseen issues if not addressed, making it crucial for pilots to err on the side of caution.