What should pilots state initially when telephoning a weather briefing facility for preflight weather information?

When pilots contact a weather briefing facility for preflight weather information, stating the intended route of flight and destination is crucial. This information allows the briefing specialist to provide the most relevant and accurate weather data tailored to the pilot's specific flight plans. By mentioning both the route and the destination, the pilot can receive information regarding weather conditions along the entire route, as well as at the departure and arrival airports.

The intended route of flight and destination helps the briefer identify critical factors such as area weather, potential hazards, and any significant weather events that could impact safety. Without this context, the weather information provided may not be as useful or may overlook important considerations.

Addressing the planned altitude and aircraft type or flight radio frequencies does not provide the briefer with enough context to offer relevant weather insights applicable to the flight. While this information is essential for the overall flight planning process, it is less pertinent during the initial contact for a weather briefing. Similarly, while providing the pilot's address could be useful for identification, it is unnecessary for the specific purpose of obtaining relevant weather information.