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ACS Knowledge Area

Aviation Weather

Aviation weather is one of the most heavily tested areas on the FAA knowledge test — and one of the most important for pilot safety. This topic covers weather theory (how weather systems form and move), practical weather products (METARs, TAFs, AIRMETs, SIGMETs), and the specific hazards that weather poses to flight: thunderstorms, icing, turbulence, fog, and wind shear.

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What You'll Study

10 subtopics covered in the Aviation Weather knowledge area

Atmosphere and pressure systems
Air masses and fronts
Thunderstorms and convective weather
Icing conditions and types
Fog formation and types
Turbulence causes and avoidance
Wind shear recognition
METAR and TAF interpretation
Weather charts and products
AIRMETs, SIGMETs, and Convective SIGMETs

FAA Source Material

Official FAA publications referenced in this topic area

PHAK Chapter 12 — Weather Theory

Referenced in AviaSkill question explanations

PHAK Chapter 13 — Aviation Weather Services

Referenced in AviaSkill question explanations

Aviation Weather (AC 00-6B)

Referenced in AviaSkill question explanations

Sample Questions

Example questions from the Aviation Weather topic area

What type of fog is most likely to form after a warm rain on cool ground?

How do you decode a METAR visibility report?

What are the hazards of flying near a thunderstorm?

AviaSkill includes hundreds of questions in Aviation Weather with AI-powered explanations and FAA handbook references for every answer.

Related Resources

Study Guide

Aviation Weather Study Guide

Key concepts, common mistakes & tips

Certification

Private Pilot (PPL) Exam Prep

Platform

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Browse other ACS knowledge areas

AerodynamicsNavigationFederal Aviation RegulationsAirspaceAircraft SystemsHuman FactorsFlight OperationsAircraft Performance
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AI-powered explanations, adaptive study modes, and FAA handbook references for every aviation weather question.

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