FAA Aircraft Dispatcher (ADX)Regulations (Part 121)Easy
A Part 121 dispatcher is selecting weather information to include in the flight release. Under 14 CFR 121.101, weather reports and forecasts used for dispatch purposes must be prepared and issued by which source?
- AAny weather app or website the dispatcher finds convenient
- BThe National Weather Service or a source approved by the Administrator
- COnly the company's staff meteorologist, regardless of FAA approval
- DPilot reports (PIREPs) exclusively, since they are most current
Show answer & explanationAnswer & explanation
Correct answer: B. The National Weather Service or a source approved by the Administrator
14 CFR 121.101 requires each certificate holder to use weather reports and forecasts prepared by the National Weather Service or a source approved by the Administrator, ensuring accuracy and consistency across the operation.
Why the other options are wrong
- A. Unapproved sources cannot legally support dispatch decisions.
- C. Company meteorologists must still meet FAA approval standards.
- D. PIREPs supplement but cannot be the sole basis for forecasts.
Weather Reporting Facilities (121.101)
Requires certificate holders to use weather data only from the National Weather Service or an FAA-approved source for flight planning and dispatch.
- Ensures standardized, reliable weather data
- Applies to both forecasts and reports
- FAA approval process validates non-NWS providers
Memory trick: No stamp, no forecast — NWS or FAA-approved only.