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PL.XI.B — Powerplant(s) Failure (Simulated) during Takeoff While in Semi-Wing-Borne Flight

PL.XI.B for the Private Pilot Powered Lift ACS: official objective, references, and 20 exact knowledge, risk-management, and skill descriptions.

FAA-S-ACS-13, November 2023. This study page does not replace the current FAA publication or an examiner's plan of action.

Official task context

PL.XI.B official ACS context
Certificate or ratingPrivate Pilot
Aircraft categoryPowered Lift
Area of operationArea of Operation XI. Emergency Operations
TaskTask B. Powerplant(s) Failure (Simulated) during Takeoff While in Semi-Wing-Borne Flight
Task code prefixPL.XI.B
Official referencesFAA-H-8083-2, FAA-H-8083-25; Flight Manual
FAA documentFAA-S-ACS-13 — Private 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 indications and pilot actions after powerplant(s) failure during takeoff while in semi-wing-borne flight in a multi-powerplant aircraft.

What the ACS code means

  • PL identifies the ACS standard family used for this Private Pilot Powered Lift document.
  • XI identifies Emergency Operations, the Area of Operation.
  • B identifies Powerplant(s) Failure (Simulated) during Takeoff While in Semi-Wing-Borne Flight, 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
PL.XI.B.K1The procedures used during a powerplant(s) failure on takeoff, the appropriate reference airspeeds, and the specific pilot actions required.Explain the element, apply it to a scenario, and connect the answer to current references or aircraft information when relevant.
PL.XI.B.K2Operational considerations to include: aircraft performance (e.g., sideslip, bank angle, etc.), takeoff warning systems, runway length, surface conditions, density altitude, wake turbulence, environmental conditions, obstructions, and other related factors that could adversely affect safety.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
PL.XI.B.R1Powerplant(s) failure.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R2Reaction to the loss of power from one or more powerplants.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R3Deceleration in a space-limited environment.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R4Windshear.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R5Dividing attention inside and outside the aircraft.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R6Runway incursion.Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R7Distractions, 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.
PL.XI.B.R8Abnormal operations, including planning for:Work through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R8aa. Rejected takeoffWork through a scenario by identifying the hazard, evaluating the risk, and explaining a practical mitigation or decision.
PL.XI.B.R8bb. 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.
PL.XI.B.R9Energy management.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
PL.XI.B.S1Recognize that a powerplant failure has occurred while performing a rolling takeoff.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
PL.XI.B.S2Input the appropriate flight control(s) and configure the aircraft for maximum deceleration.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
PL.XI.B.S3Maintain the operating powerplant(s) within acceptable operating limits.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
PL.XI.B.S4Apply braking 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.
PL.XI.B.S5Refer to the checklist to ensure that the emergency procedure was followed correctly.Describe the procedure, interpretation, or decision process that can be discussed during an oral. Physical aircraft performance remains part of the practical test.
PL.XI.B.S6Make 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.
PL.XI.B.S7Use 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.

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

  • See Appendix 3: Aircraft, Equipment, and Operational Requirements & Limitations for information related to this Task.
  • This can be initiated during the takeoff roll in wheeled aircraft or during the conversion to wing-borne flight following a vertical takeoff.

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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