FAA Airman Certification Standards Code
CH.IV.D — Taxiing with Wheel-Type Landing Gear
Commercial Pilot Helicopter · Area of Operation IV: Hovering Maneuvers · Standard: FAA-S-ACS-16
What does ACS code CH.IV.D cover?
ACS Code CH.IV.D covers "Taxiing with Wheel-Type Landing Gear" under Area of Operation IV (Hovering Maneuvers) for the FAA Commercial Pilot Helicopter certificate (FAA-S-ACS-16). Candidates are tested on knowledge elements and risk management factors defined in 14 CFR regulations and FAA handbooks (PHAK / AFH).
Task Specification & Required References
- ACS Document: FAA-S-ACS-16 (Commercial Pilot Helicopter)
- Area of Operation: Area IV — Hovering Maneuvers
- Task: Task D — Taxiing with Wheel-Type Landing Gear
- Primary FAA Sources: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25), Airplane Flying Handbook (FAA-H-8083-3) / Helicopter Flying Handbook (FAA-H-8083-21), Aviation Weather Handbook (FAA-H-8083-28), 14 CFR Parts 61, 91 & 107, Aeronautical Information Manual (AIM).
Airman Certification Standards Elements
Knowledge Elements
- CH.IV.D.K1: Current airport aeronautical references and information resources such as the Chart Supplement, airport diagram, and Notices to Air Missions (NOTAMs).
- CH.IV.D.K2: Taxi instructions/clearances.
- CH.IV.D.K3: Airport/heliport/helipad/landing area, signs, markings, and lighting.
- CH.IV.D.K4: Visual indicators for wind.
- CH.IV.D.K5: Aircraft lighting, as appropriate.
- CH.IV.D.K6: Procedures for:
- CH.IV.D.K6a: a. Appropriate flight deck activities prior to taxi, including route planning and identifying the location of Hot Spots
- CH.IV.D.K6b: b. Safe taxi at towered and nontowered airports
- CH.IV.D.K6c: c. Entering or crossing runways
Risk Management Elements
- CH.IV.D.R1: Activities and distractions.
- CH.IV.D.R2: Confirmation or expectation bias as related to taxi instructions.
- CH.IV.D.R3: Runway incursion.
- CH.IV.D.R4: Speed during taxi and turns.
- CH.IV.D.R5: Appropriate thrust vector and brake use.
- CH.IV.D.R6: Airframe and rotor clearances during taxi.
How do I study CH.IV.D?
- Read each element for CH.IV.D in FAA-S-ACS-16 and note any you cannot explain in your own words.
- Study each one in the FAA source it points to: the handbook chapter, the 14 CFR section or the AIM paragraph.
- Practice with questions tagged CH.IV.D, and read the explanation for every miss.
- Retest, then review the ACS codes you still miss on your practice test report.
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