En route Flight Advisory Service (EFAS) provides weather advisories that are:

En route Flight Advisory Service (EFAS) is designed to provide timely and relevant weather information specifically tailored to the needs of pilots during their flights. This service considers factors such as the type of flight, chosen route, and altitude, ensuring that pilots receive information that is directly applicable to their current flying conditions. The aim is to enhance situational awareness and decision-making, allowing for safer flight operations.

The focus on timeliness and tailoring distinguishes EFAS from general weather advisories, which may not account for all these specific variables. As such, this service plays a critical role in the aviation industry, promoting safety by supplying real-time information that pilots can rely on to navigate changing weather conditions effectively.