IL.II.A — Human Factors

IL.II.A for the Flight Instructor Powered Lift ACS: official objective, references, and 22 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

IL.II.A official ACS context
Certificate or ratingFlight Instructor
Aircraft categoryPowered Lift
Area of operationArea of Operation II. Technical Subject Areas
TaskTask A. Human Factors
Task code prefixIL.II.A
Official referencesAIM; FAA-H-8083-2, FAA-H-8083-9, FAA-H-8083-25
FAA documentFAA-S-ACS-27 — Flight Instructor for Powered-Lift Category Airman Certification Standards
FAA source libraryOpen the official ACS library

Official task objective

To determine the applicant understands personal health, flight physiology, aeromedical and human factors, 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.
  • II identifies Technical Subject Areas, the Area of Operation.
  • A identifies Human Factors, 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

Official ACS knowledge items and mock-oral treatment
ACS codeOfficial descriptionHow a mock oral can probe it
IL.II.A.K1Symptoms, recognition, causes, effects, and corrective actions associated with aeromedical and physiological issues, including:Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1aa. HypoxiaExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1bb. HyperventilationExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1cc. Middle ear and sinus problemsExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1dd. Spatial disorientationExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1ee. Motion sicknessExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1ff. Carbon monoxide poisoningExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1gg. StressExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1hh. FatigueExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1ii. Dehydration and nutritionExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1jj. HypothermiaExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1kk. Optical illusionsExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K1ll. Dissolved nitrogen in the bloodstream after scuba divesExplain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K2Regulations regarding use of alcohol and drugs.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K3Effects of alcohol, drugs, and over-the-counter medications.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.II.A.K4Aeronautical Decision-Making (ADM) to include using Crew Resource Management (CRM) or Single-Pilot Resource Management (SRM), as appropriate.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.

Risk management elements

Official ACS risk management items and mock-oral treatment
ACS codeOfficial descriptionHow a mock oral can probe it
IL.II.A.R1Aeromedical and physiological issues.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.II.A.R2Hazardous attitudes.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.II.A.R3Distractions, task prioritization, loss of situational awareness, or disorientation.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.II.A.R4Confirmation and expectation bias.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.

Skills elements

Official ACS skills items and mock-oral treatment
ACS codeOfficial descriptionHow a mock oral can probe it
IL.II.A.S1Associate the symptoms and effects for at least three of the conditions listed in K1a through K1l with the cause(s) and corrective action(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.II.A.S2Perform self-assessment, including fitness for flight and personal minimums, for actual flight or a scenario given by the evaluator.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.

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