Weather: Commercial Pilot Airplane Knowledge Test (CAX) topic guide
Weather carries 16% of the Commercial Pilot Airplane Knowledge Test (CAX) blueprint used in this course, the 4th-largest of its 6 weighted areas. It spans 11 concepts. The course teaches it in 2 study units: METAR / TAF / Winds-Aloft Decode and Weather Hazards for Commercial Operations.
What Weather covers
- What is the field-by-field decoding order for a METAR, and what unit does each field use? — FAA-H-8083-28 Ch. 3
- Decode this METAR: KORD 151554Z 28014G22KT 3SM -RA BKN025 OVC060 17/14 A2989 RMK AO2 RAB45 — FAA-H-8083-28 Ch. 3
- What are the key TAF groups — FM, TEMPO, and BECMG — and what does each mean? — AC 00-45H §4
- How do you decode a winds-aloft (FD) forecast, and what is the special encoding convention — AC 00-45H §6
- What information does a station model on a surface weather chart convey, and which element — FAA-H-8083-28 Ch. 3
- How does air-mass stability affect cloud type, turbulence, and visibility? — FAA-H-8083-25B Ch. 11
- What are the characteristics of warm, cold, occluded, and stationary fronts relevant to a — FAA-H-8083-28 Ch. 10
- What are the three stages of a thunderstorm cell, and what commercial flight hazard is ass — FAA-H-8083-28 Ch. 16
- What are the two necessary conditions for structural icing, and how do clear, rime, and mi — FAA-H-8083-28 Ch. 9
- What are AIRMETs, SIGMETs, and Convective SIGMETs, and what triggers each? — AC 00-45H §7
- How does frost form, and why is even a thin layer of frost dangerous on wing surfaces befo — FAA-H-8083-25B Ch. 11
Official references for Weather
- FAA-H-8083-28 Ch. 3
- AC 00-45H §4
- AC 00-45H §6
- FAA-H-8083-25B Ch. 11
- FAA-H-8083-28 Ch. 10
- FAA-H-8083-28 Ch. 16
- FAA-H-8083-28 Ch. 9
- AC 00-45H §7
In the app this area comes with 11 memory cards and 19 module-quiz questions in the full course.