IL.V.D — Ground Taxiing
IL.V.D for the Flight Instructor Powered Lift ACS: official objective, references, and 30 exact knowledge, risk-management, and skill descriptions.
FAA-S-ACS-27, November 2023. This study page does not replace the current FAA publication or an examiner's plan of action.
Official task context
| Certificate or rating | Flight Instructor |
|---|---|
| Aircraft category | Powered Lift |
| Area of operation | Area of Operation V. Preflight Procedures |
| Task | Task D. Ground Taxiing |
| Task code prefix | IL.V.D |
| Official references | AC 91-73; AIM; Chart Supplements; FAA-H-8083-2, FAA-H-8083-9, FAA-H-8083-25; Flight Manual |
| FAA document | FAA-S-ACS-27 — Flight Instructor for Powered-Lift Category Airman Certification Standards |
| FAA source library | Open the official ACS library |
Official task objective
To determine the applicant understands ground taxi operations in a wheel-type aircraft, can apply that knowledge, manage associated risks, demonstrate appropriate skills, and provide effective instruction.
What the ACS code means
- IL identifies the ACS standard family used for this Flight Instructor Powered Lift document.
- V identifies Preflight Procedures, the Area of Operation.
- D identifies Ground Taxiing, the Task within that Area.
- K, R, and S identify knowledge, risk-management, and skill elements. The number selects the item; a trailing lowercase letter identifies a listed sub-element.
Knowledge elements
| ACS code | Official description | How a mock oral can probe it |
|---|---|---|
| IL.V.D.K1 | Current airport aeronautical references and information resources such as the Chart Supplement, airport diagram, and Notices to Air Missions (NOTAMs). | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K2 | Taxi instructions/clearances. | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K3 | Airport, heliport, helipad, or unprepared surface environment. | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K4 | Visual indicators for wind. | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K5 | Aircraft lighting, as appropriate. | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6 | Procedures for: | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6a | a. Appropriate flight deck activities prior to taxi, including route planning and identifying the location of Hot Spots | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6b | b. Aircraft configuration | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6c | c. Radio communications at towered and non-towered airports/heliports/helipads/landing areas | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6d | d. Entering or crossing runways | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6e | e. Night taxi operations | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K6f | f. Taxi limitations | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
| IL.V.D.K7 | Common errors related to this Task. | Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant. |
Risk management elements
| ACS code | Official description | How a mock oral can probe it |
|---|---|---|
| IL.V.D.R1 | Activities and distractions. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R2 | Confirmation or expectation bias as related to taxi instructions. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R3 | A taxi route or departure runway change. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R4 | Speed during taxi and turns. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R5 | Appropriate thrust vector and brake use. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R6 | Airframe and rotor clearances during taxi. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R7 | Runway incursion. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
| IL.V.D.R8 | Other hazards specific to the powered-lift make and model. | Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision. |
Skills elements
| ACS code | Official description | How a mock oral can probe it |
|---|---|---|
| IL.V.D.S1 | Receive and correctly read back clearances/instructions, if applicable. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S2 | Use an appropriate airport/heliport diagram or taxi chart, if published. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S3 | Position the flight controls and configure the aircraft for the existing wind conditions. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S4 | Complete the appropriate checklist(s). | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S5 | Comply with airport/heliport/helipad/landing area taxiway markings, signals, and air traffic control (ATC) clearances and instructions. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S6 | Position the aircraft relative to hold lines or a specified point. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S7 | Use single-pilot resource management (SRM) or crew resource management (CRM), as appropriate. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S8 | Maintain positive control of the aircraft during ground operations by controlling direction and speed without excessive use of brakes. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
| IL.V.D.S9 | Analyze and correct common errors related to this Task. | Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test. |
Difficulty data
Difficulty calibration is ongoing for this Task. A difficulty estimate is published only with a sufficiently large, privacy-preserving first directly recorded assessment sample. Any observed difficulty comes from Checkride AI mock-oral practice assessments and is a practice-data proxy, not an FAA practical-test pass or fail rate.
Difficulty calibration remains ongoing until an item clears the private reporting threshold. Percentages, when available, describe the share who needed review on their first directly recorded assessment. Underlying sample sizes are never published, and historical final states are not backfilled into this measure.
How to use this in a mock oral
A mock examiner can ask you to explain the published elements, apply them to the configured aircraft and airport scenario, identify risks, and defend a decision. The prompts are practice scenarios; they are not claimed to be actual FAA examiner scripts or a prediction of the questions you will receive.
Related ACS tasks
- All Flight Instructor Powered Lift ACS tasks
73 task-level resources from FAA-S-ACS-27.
- IL.V.C — Powerplant Starting
Area of Operation V. Preflight Procedures
- IL.V.E — Before Takeoff Check
Area of Operation V. Preflight Procedures
- IL.V.A — Preflight Assessment
Area of Operation V. Preflight Procedures
- IL.V.B — Flight Deck Management
Area of Operation V. Preflight Procedures