Airworthy Prep

Commercial Pilot Helicopter test code

CH.II.A.K3bPreflight Procedures: Preflight Assessment

Commercial Pilot Helicopter test standard, area of operation II, task A

Written as ch.ii.a.k3b or CH.II.A.K3b on your score report.

The FAA's wording

Helicopter preflight inspection, including:

The reasons for checking each item.

FAA-S-ACS-16, Commercial Pilot for Rotorcraft Category Helicopter Rating ACS (November 2023, effective May 31, 2024), II. Preflight Procedures, Task A. Preflight Assessment

What it means

CH.II.A.K3b is a knowledge element in the Preflight Procedures area of operation of the Commercial Pilot Helicopter test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.

CH
Commercial Pilot Helicopter ACS
II
Area of operation II: Preflight Procedures
A
Task A: Preflight Assessment
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 CH.II.A.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-16, Commercial Pilot for Rotorcraft Category Helicopter Rating 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 Helicopter Canadian Conversion (CCH)
  • Commercial Pilot Helicopter (CRH)

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.