Glossary
Aviation Weather
Pilot Report (PIREP)
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Definition
An in-flight weather report provided by a pilot describing actual conditions encountered
Related Terms
Clear Air Turbulence (CAT)
Turbulence occurring in cloudless areas, often near jet streams, invisible to radar
Icing
The accumulation of ice on aircraft surfaces during flight through supercooled water droplets
METAR (METAR)
Aviation Routine Weather Report — a standardized format for reporting current weather conditions
Turbulence
Irregular atmospheric motion causing sudden changes in an aircraft's altitude or attitude
Frequently Asked Questions
What is Pilot Report (PIREP)?
An in-flight weather report provided by a pilot describing actual conditions encountered
What does PIREP stand for?
PIREP stands for Pilot Report (PIREP). An in-flight weather report provided by a pilot describing actual conditions encountered
How does Pilot Report (PIREP) relate to other aviation concepts?
Pilot Report (PIREP) is closely related to Clear Air Turbulence and Icing, among other key aviation concepts.