Air traffic controllers love PIREPs (pilot reports), plus raindrops on roses and crisp apple strudel. First-hand information from the cockpit helps the controller form the big mental picture of what's happening up there. Controllers are required to solicit PIREPs whenever which conditions exist or are forecast inside their area of jurisdiction? [Choose the most complete answer.]




When ceilings are at or below 5000 feet


Visibility at or less than 5 miles


Icing of light degree or greater


All of the above and more

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