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IL.VIII.C — Maximum Performance Takeoff and Climb

IL.VIII.C for the Flight Instructor Powered Lift ACS: official objective, references, and 32 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.VIII.C official ACS context
Certificate or ratingFlight Instructor
Aircraft categoryPowered Lift
Area of operationArea of Operation VIII. Takeoffs, Landings, and Go-Arounds
TaskTask C. Maximum Performance Takeoff and Climb
Task code prefixIL.VIII.C
Official referencesAIM; FAA-H-8083-2, FAA-H-8083-9, FAA-H-8083-25; Flight Manual
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 maximum performance takeoff and climb, 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.
  • VIII identifies Takeoffs, Landings, and Go-Arounds, the Area of Operation.
  • C identifies Maximum Performance Takeoff and Climb, 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.VIII.C.K1Situations where this maneuver is appropriate.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.VIII.C.K2Effects of atmospheric conditions, including wind and temperature, on takeoff and climb performance.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.VIII.C.K3Factors affecting the profile of the height/velocity (H/V) diagram.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.VIII.C.K4Appropriate aircraft configuration, takeoff, and climb profiles.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
IL.VIII.C.K5Common 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

Official ACS risk management items and mock-oral treatment
ACS codeOfficial descriptionHow a mock oral can probe it
IL.VIII.C.R1Selection of takeoff path based on aircraft performance and limitations, available distance, and wind.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R2Effects of:Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R2aa. CrosswindWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R2bb. WindshearWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R2cc. TailwindWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R2dd. Low level turbulenceWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R2ee. Surface conditionsWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R3Abnormal operations including:Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R3aa. Rejected takeoffWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R3bb. Powerplant failure in takeoff/climb phase of flightWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R4Collision hazards.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R5Low altitude maneuvering, including controlled flight into terrain (CFIT).Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
IL.VIII.C.R6Distractions, 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.

Skills elements

Official ACS skills items and mock-oral treatment
ACS codeOfficial descriptionHow a mock oral can probe it
IL.VIII.C.S1Complete 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.VIII.C.S2Make radio calls 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.VIII.C.S3Determine wind direction with or without visible wind direction indicators.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S4Position 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.VIII.C.S5Clear the area, taxi into takeoff position, utilizing maximum available takeoff area and align the aircraft on the takeoff path.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S6Confirm takeoff power and proper powerplant and flight instrument indications prior to takeoff.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S7Establish and maintain the most efficient lift-off attitude/configuration for obstacle clearance.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S8Maintain the recommended airspeed and aircraft configuration until the obstacle is cleared.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S9After clearing the obstacle, establish pitch attitude and aircraft configuration for VY and accelerate to and maintain VY ±5 knots during the climb.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S10Reconfigure the aircraft after a positive rate of climb has been verified or in accordance with the aircraft manufacturer's guidance.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S11Maintain directional control and proper wind-drift correction throughout takeoff and climb.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S12Comply with noise abatement procedures.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
IL.VIII.C.S13Use 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.VIII.C.S14Analyze 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.

Practice in a mock oral

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