Airworthy PrepCommercial Pilot Airplane test code
CA.I.I.R4Preflight Preparation: Water and Seaplane Characteristics, Seaplane Bases, Maritime Rules, and Aids to Marine Navigation (ASES, AMES)
Commercial Pilot Airplane test standard, area of operation I, task I
Written as ca.i.i.r4 or CA.I.I.R4 on your score report.
The FAA's wording
Limited services and assistance available at seaplane bases.
What it means
CA.I.I.R4 is a risk management element in the Preflight Preparation area of operation of the Commercial Pilot Airplane test standard. A risk management element is a hazard the FAA expects you to be able to spot and manage, and the written test can ask questions on it.
- CA
- Commercial Pilot Airplane ACS
- I
- Area of operation I: Preflight Preparation
- I
- Task I: Water and Seaplane Characteristics, Seaplane Bases, Maritime Rules, and Aids to Marine Navigation (ASES, AMES)
- R4
- Risk management element 4
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.I.R4 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.