Airworthy PrepFlight Instructor Helicopter test code
HI.XI.H.K2fEmergency Operations: Systems and Equipment Malfunctions
Flight Instructor Helicopter test standard, area of operation XI, task H
Written as hi.xi.h.k2f or HI.XI.H.K2f on your score report.
The FAA's wording
System and equipment malfunctions specific to the helicopter, including:
Inoperative flight control/trim.
What it means
HI.XI.H.K2f is a knowledge element in the Emergency Operations area of operation of the Flight Instructor Helicopter test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.
- HI
- Flight Instructor Helicopter ACS
- XI
- Area of operation XI: Emergency Operations
- H
- Task H: Systems and Equipment Malfunctions
- K2f
- Part (f) of knowledge element 2
Seeing it on your score report
Your Airman Knowledge Test Report lists a code for each area where you missed a question. Seeing HI.XI.H.K2f 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-29, Flight Instructor 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
- Flight Instructor Helicopter (FRH)
- Flight Instructor Helicopter (Added Rating) (HFA)
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.