Airworthy Prep

Flight Instructor Helicopter test code

HI.X.B.R8Performance Maneuvers: Straight-In Autorotation in a Single-Engine Helicopter

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

Written as hi.x.b.r8 or HI.X.B.R8 on your score report.

The FAA's wording

Low rotor rpm or rotor stall.

FAA-S-ACS-29, Flight Instructor for Rotorcraft Category Helicopter Rating ACS (November 2023, effective May 31, 2024), X. Performance Maneuvers, Task B. Straight-In Autorotation in a Single-Engine Helicopter

What it means

HI.X.B.R8 is a risk management element in the Performance Maneuvers 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
X
Area of operation X: Performance Maneuvers
B
Task B: Straight-In Autorotation in a Single-Engine Helicopter
R8
Risk management 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 HI.X.B.R8 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.