Commercial Pilot License (CPL) 2025 – 400 Free Practice Questions to Pass the Exam

The abbreviation LLWAS stands for Low Level Wind Shear Alert System. This system is specifically designed to detect and alert pilots and air traffic controllers about wind shear conditions, which are sudden changes in wind speed and direction that can create hazardous flying situations, particularly during takeoff and landing.

Wind shear can significantly affect an aircraft’s performance, causing unexpected altitude changes or loss of control, so having a reliable alert system is crucial for safety. The LLWAS typically comprises a network of sensors that continuously monitor wind conditions in the lower atmosphere around an airport and provide timely information to enhance situational awareness for pilots preparing to land or take off.

This understanding of wind shear and its prediction is vital for maintaining safety in aviation and underscores why the LLWAS system is essential. The other options, while plausible, do not accurately reflect the primary function or established terminology associated with LLWAS.