Airworthy PrepCommercial Pilot Airplane test code
CA.I.B.K3bPreflight Preparation: Airworthiness Requirements
Commercial Pilot Airplane test standard, area of operation I, task B
Written as ca.i.b.k3b or CA.I.B.K3b on your score report.
The FAA's wording
Equipment requirements for day and night VFR flight, including:
Using an approved Minimum Equipment List (MEL)
What it means
CA.I.B.K3b is a knowledge element in the Preflight Preparation area of operation of the Commercial Pilot Airplane test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.
- CA
- Commercial Pilot Airplane ACS
- I
- Area of operation I: Preflight Preparation
- B
- Task B: Airworthiness Requirements
- K3b
- Part (b) of knowledge element 3
Seeing it on your score report
Your Airman Knowledge Test Report lists a code for each area where you missed a question. Seeing CA.I.B.K3b there means at least one of your wrong answers was on this element. If you are taking the practical test next, expect the examiner to ask about it. Retaking the written? Start with this code and the others on your report.
Sources: FAA-S-ACS-7B, Commercial Pilot for Airplane Category ACS (November 2023, effective May 31, 2024); FAA Airman Knowledge Testing Matrix (revised 9/25/26), p. 2.
Can be printed on 2 tests
- Commercial Pilot Airplane (CAX)
- Commercial Pilot Airplane Canadian Conversion (CCP)
Got more than one code on your report?
Paste them all into the free study planner and it groups them by subject, most missed first.