Airworthy PrepPrivate Pilot Helicopter test code
PH.IX.A.K8Night Operations: Night Operations
Private Pilot Helicopter test standard, area of operation IX, task A
Written as ph.ix.a.k8 or PH.IX.A.K8 on your score report.
The FAA's wording
Visual illusions at night.
What it means
PH.IX.A.K8 is a knowledge element in the Night Operations area of operation of the Private Pilot Helicopter test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.
- PH
- Private Pilot Helicopter ACS
- IX
- Area of operation IX: Night Operations
- A
- Task A: Night Operations
- K8
- Knowledge element 8
Seeing it on your score report
Your Airman Knowledge Test Report lists a code for each area where you missed a question. Seeing PH.IX.A.K8 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-15, Private 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
- Private Pilot Helicopter Canadian Conversion (PCH)
- Private Pilot Helicopter (PRH)
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.