Airworthy PrepPrivate Pilot Airplane test code
PA.I.H.K1fPreflight Preparation: Human Factors
Private Pilot Airplane test standard, area of operation I, task H
Written as pa.i.h.k1f or PA.I.H.K1f on your score report.
The FAA's wording
Symptoms, recognition, causes, effects, and corrective actions associated with aeromedical and physiological issues, including:
Carbon monoxide poisoning.
What it means
PA.I.H.K1f is a knowledge element in the Preflight Preparation area of operation of the Private Pilot Airplane test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.
- PA
- Private Pilot Airplane ACS
- I
- Area of operation I: Preflight Preparation
- H
- Task H: Human Factors
- K1f
- Part (f) of knowledge element 1
Seeing it on your score report
Your Airman Knowledge Test Report lists a code for each area where you missed a question. Seeing PA.I.H.K1f 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-6C, Private 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 4 tests
- Private Pilot Airplane (PAR)
- Private Pilot Airplane Canadian Conversion (PCP)
- Private Pilot Airplane EU Part-FCL Conversion (PEP)
- Private Pilot Airplane Foreign Pilot via BASA (61.71) (PFB)
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.