Airworthy Prep

Flight Instructor Sport Helicopter (Simplified Flight Controls) test code

FH.XI.H.R1Emergency Operations: Ground Resonance

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

Written as fh.xi.h.r1 or FH.XI.H.R1 on your score report.

The FAA's wording

Factors that may contribute to the onset of 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.R1 is a risk management element in the Emergency Operations area of operation of the Flight Instructor Sport Helicopter (Simplified Flight Controls) test standard. A risk management element is a hazard the FAA expects you to be able to spot and manage, and the written test can ask questions on it.

FH
Sport Flight Instructor Helicopter ACS
XI
Area of operation XI: Emergency Operations
H
Task H: Ground Resonance
R1
Risk management 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.R1 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)

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