Airworthy Prep

Flight Instructor Helicopter test code

HI.XI.B.R10Emergency Operations: Powerplant Failure at Altitude in a Single-Engine Helicopter

Flight Instructor Helicopter test standard, area of operation XI, task B

Written as hi.xi.b.r10 or HI.XI.B.R10 on your score report.

The FAA's wording

Helicopter trim.

FAA-S-ACS-29, Flight Instructor for Rotorcraft Category Helicopter Rating ACS (November 2023, effective May 31, 2024), XI. Emergency Operations, Task B. Powerplant Failure at Altitude in a Single-Engine Helicopter

What it means

HI.XI.B.R10 is a risk management element in the Emergency Operations area of operation of the Flight Instructor Helicopter 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.

HI
Flight Instructor Helicopter ACS
XI
Area of operation XI: Emergency Operations
B
Task B: Powerplant Failure at Altitude in a Single-Engine Helicopter
R10
Risk management element 10

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.B.R10 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.