QUESTIONHow often is the Automated Terminal Information Service (ATIS) recording normally updated?
- AEvery 56 days, when the Chart Supplement U.S. is revised
- BContinuously in real time, so the recording changes as each new observation arrives
- COnce per hour, or more often when changing local conditions warrant
Show the answer and explanation
Correct answer: C. Once per hour, or more often when changing local conditions warrant
- A — incorrect The 56-day cycle is the revision interval of the Chart Supplement U.S., not the ATIS recording.
- B — incorrect ATIS is a recording broadcast in a looped format and is re-recorded on a schedule, not a continuously changing live feed.
- C — correct The study guide states that ATIS is normally updated once per hour but is updated more often when changing local conditions warrant.