Airworthy PrepInstrument Rating Helicopter test code
IH.IV.B.R4Flight by Reference to Instruments: Recovery from Unusual Flight Attitudes
Instrument Rating Helicopter test standard, area of operation IV, task B
Written as ih.iv.b.r4 or IH.IV.B.R4 on your score report.
The FAA's wording
Pilot responses that lead to mast bumping in a low G condition, if applicable.
What it means
IH.IV.B.R4 is a risk management element in the Flight by Reference to Instruments area of operation of the Instrument Rating 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.
- IH
- Instrument Rating Helicopter ACS
- IV
- Area of operation IV: Flight by Reference to Instruments
- B
- Task B: Recovery from Unusual Flight Attitudes
- R4
- Risk management element 4
Seeing it on your score report
Your Airman Knowledge Test Report lists a code for each area where you missed a question. Seeing IH.IV.B.R4 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-14, Instrument Rating - Helicopter ACS (November 2023, effective May 31, 2024); FAA Airman Knowledge Testing Matrix (revised 9/25/26), p. 2.
Can be printed on 2 tests
- Instrument Rating Helicopter Canadian Conversion (ICH)
- Instrument Rating Helicopter (IRH)
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.