FAA Airman Certification Standards Code
PH.IV.C — Air Taxi
Private Pilot Helicopter · Area of Operation IV: Hovering Maneuvers · Standard: FAA-S-ACS-15
What does ACS code PH.IV.C cover?
ACS Code PH.IV.C covers "Air Taxi" under Area of Operation IV (Hovering Maneuvers) for the FAA Private Pilot Helicopter certificate (FAA-S-ACS-15). 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-15 (Private Pilot Helicopter)
- Area of Operation: Area IV — Hovering Maneuvers
- Task: Task C — Air Taxi
- 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
- PH.IV.C.K1: Current airport aeronautical references and information resources such as the Chart Supplement, airport diagram, and Notices to Air Missions (NOTAMs).
- PH.IV.C.K2: Air taxi instructions, clearances, and limitations.
- PH.IV.C.K3: Airport/heliport/helipad/landing area, signs, markings, and lighting.
- PH.IV.C.K4: Visual indicators for wind.
- PH.IV.C.K5: Aircraft lighting, as appropriate.
- PH.IV.C.K6: Procedures for:
- PH.IV.C.K6a: a. Pilot activities during taxiing
- PH.IV.C.K6b: b. Safe air taxi at towered and nontowered airports
- PH.IV.C.K6c: c. Overflying of runways
- PH.IV.C.K7: Height/Velocity (H/V) considerations.
Risk Management Elements
- PH.IV.C.R1: Distractions, task prioritization, loss of situational awareness, or disorientation.
- PH.IV.C.R2: Reduced visibility or night taxi operations.
- PH.IV.C.R3: Runway incursion.
- PH.IV.C.R4: Main rotor, tail rotor, and tail strike hazards.
- PH.IV.C.R5: H/V diagram performance in case of powerplant failure.
- PH.IV.C.R6: Confirmation or expectation bias as related to taxi instructions.
How do I study PH.IV.C?
- Read each element for PH.IV.C in FAA-S-ACS-15 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 PH.IV.C, 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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