TAIWIN: The Next-Gen Aviation Weather Frontier

FAA project seeks to tackle challenges of airport terminal icing to enhance flight safety.

Scott Dennstaedt, Ph.D

Friday, April 17, 2026 at 08:00 AM ET

Verified

Edited By:

Travis Tingle

TAIWIN is a tool specifically for icing conditions in the terminal area. [Credit: Glenn Watson]

Key Takeaways:

Airframe icing in the terminal area is a critical and often insidious hazard for general aviation, where traditional weather tools frequently lack the precision needed for rapid onset conditions.
The FAA is developing TAIWIN (Terminal Area Icing Weather Information for NextGen), a high-resolution diagnostic and forecast tool specifically for icing conditions within a 30-nautical-mile radius of airports, up to 12,000 feet AGL.
TAIWIN aims to provide more precise, timely, and location-specific information on various icing types (e.g., small-drop, freezing drizzle/rain) to significantly improve flight planning, avoidance strategies, and overall operational safety in these critical phases of flight.

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Airframe icing is insidious. For general aviation pilots, that means it proceeds in a gradual, subtle way, but with harmful effects.

Therefore, icing remains one of the most serious hazards for small and medium-sized aircraft—often invisible, sometimes unexpected, and always demanding proactive risk management even when the aircraft is equipped with a certified ice protection system. In the terminal environment—takeoff, climbout, approach, and landing—icing can escalate from nuisance to emergency in a matter of minutes due to its transitory nature.