Airworthy Prep

Flight Instructor Sport Helicopter (Simplified Flight Controls) test code

FH.XI.H.K1aEmergency Operations: Ground Resonance

Flight Instructor Sport Helicopter (Simplified Flight Controls) test standard, area of operation XI, task H

Written as fh.xi.h.k1a or FH.XI.H.K1a on your score report.

The FAA's wording

Exhibits knowledge of the elements related to ground resonance by describing:

Conditions that contribute to ground resonance.

FAA-S-ACS-31, Sport Flight Instructor ACS for Helicopter - Simplified Flight Controls (November 2023), XI. Emergency Operations, Task H. Ground Resonance

What it means

FH.XI.H.K1a is a knowledge element in the Emergency Operations area of operation of the Flight Instructor Sport Helicopter (Simplified Flight Controls) test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.

FH
Sport Flight Instructor Helicopter ACS
XI
Area of operation XI: Emergency Operations
H
Task H: Ground Resonance
K1a
Part (a) 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 FH.XI.H.K1a 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-31, Sport Flight Instructor ACS for Helicopter - Simplified Flight Controls (November 2023); FAA Airman Knowledge Testing Matrix (revised 9/25/26), p. 2.

Printed on 1 test
  • Flight Instructor Sport Helicopter - Simplified Flight Controls (IHF)

Got more than one code on your report?

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