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CP.IX.I — Dynamic Rollover

CP.IX.I for the Commercial Pilot Powered Lift ACS: official objective, references, and 11 exact knowledge, risk-management, and skill descriptions.

FAA-S-ACS-2, November 2023. This study page does not replace the current FAA publication or an examiner's plan of action.

Official task context

CP.IX.I official ACS context
Certificate or ratingCommercial Pilot
Aircraft categoryPowered Lift
Area of operationArea of Operation IX. Emergency Operations
TaskTask I. Dynamic Rollover
Task code prefixCP.IX.I
Official referencesFAA-H-8083-2, FAA-H-8083-25; Flight Manual
FAA documentFAA-S-ACS-2 — Commercial Pilot for Powered-Lift Category Airman Certification Standards
FAA source libraryOpen the official ACS library

Official task objective

To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with dynamic rollover.

What the ACS code means

  • CP identifies the ACS standard family used for this Commercial Pilot Powered Lift document.
  • IX identifies Emergency Operations, the Area of Operation.
  • I identifies Dynamic Rollover, 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
CP.IX.I.K1Elements related to dynamic rollover.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
CP.IX.I.K2Interactions between thrust, crosswind, slope, lateral CG, aircraft weight, and flight controls that contribute to dynamic rollover.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
CP.IX.I.K3Preventive flight technique and recovery during flight operations, including slope operations.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
CP.IX.I.K4Aircraft slope limitations.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
CP.IX.I.R1Surface conditions conducive to dynamic rollover.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
CP.IX.I.R2Landing gear proximity to the surface.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
CP.IX.I.R3Flight control inputs during takeoff or landing.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
CP.IX.I.R4Sideward hover.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
CP.IX.I.R5Critical rollover angle and rolling moment.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
CP.IX.I.R6Translating tendency.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
CP.IX.I.S1[Intentionally left blank].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.

Official task notes

  • Evaluator assesses this Task orally only.

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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