What information should you provide to a flight service weather briefer?

Providing information about whether the flight is VFR (Visual Flight Rules) or IFR (Instrument Flight Rules) is crucial when briefing with a flight service weather briefer. This helps the briefer tailor the weather information to your specific needs. VFR and IFR conditions not only influence what weather data is pertinent to you but also determine the type of flight plans and routes that are advisable given current atmospheric conditions.

A VFR flight requires the pilot to maintain visual reference to the ground, while IFR operations depend on instrument readings for navigation in less favorable weather conditions. Therefore, indicating your flight rules status allows the briefer to provide relevant updates on visibility, cloud cover, and other atmospheric phenomena that may affect your planned flight.

The other options do not hold the same level of relevance. Sharing personal details like a full name and address, while perhaps useful in certain administrative contexts, does not directly impact the flight preparation concerning weather information. Summarizing qualifications is unnecessary in a weather briefing because the briefer assumes you possess the necessary certifications to operate under the rules you have indicated. Similarly, although knowing your estimated time of arrival can be useful, it doesn't equip the briefer to provide tailored weather information essential for flight safety.