Weather servicesQuestion 401 of 934

Do FIS-B weather products meet the requirements for official weather products?

  1. No, they are for information only, not primary products
  2. Yes, they replace the standard preflight weather briefing
  3. Yes, they are official products for flights flown under IFR
  4. Yes, if the pilot checks that they are less than 1 hour old
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Correct answer: No, they are for information only, not primary products

A cockpit weather display does not replace a complete preflight weather briefing.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 13: Aviation Weather Services — Data Link Weather, page 333

Practice weather services

Questions last reviewed: 18 October 2026