# PL.XI.A — Powerplant(s) Failure (Simulated) during Takeoff in Thrust-Borne Flight — Private Pilot Powered Lift ACS

> PL.XI.A from FAA-S-ACS-13, including the official objective, references, notes, and 17 exact knowledge, risk-management, and skill descriptions.

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Site reference: [https://www.check-ride.ai/llms.txt](https://www.check-ride.ai/llms.txt)

## Official Task context

- FAA document: Private Pilot for Powered-Lift Category Airman Certification Standards
- Identifier: FAA-S-ACS-13
- Published source date: November 2023
- Aircraft category: Powered Lift
- Certificate or rating: Private Pilot
- Area of Operation: Area of Operation XI. Emergency Operations
- Task: Task A. Powerplant(s) Failure (Simulated) during Takeoff in Thrust-Borne Flight
- Task code prefix: PL.XI.A
- Official references: FAA-H-8083-2, FAA-H-8083-25; Flight Manual
- FAA source library: https://www.faa.gov/training_testing/testing/acs

## 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 the aircraft is predominantly in thrust-borne flight in a multi-powerplant aircraft.

## Knowledge elements

- **PL.XI.A.K1** — Aircraft performance and limitations, (e.g., height velocity (H/V) diagram information).
- **PL.XI.A.K2** — Factors involved in determining a valid go/no-go decision.
- **PL.XI.A.K3** — Recognition of powerplant(s) failure.
- **PL.XI.A.K4** — Pilot actions required on recognition of powerplant(s) failure, including checklist memory items.
- **PL.XI.A.K5** — Aircraft configuration for landing with powerplant(s) failure.
- **PL.XI.A.K6** — Causes of asymmetric thrust conditions and appropriate responses.

## Risk management elements

- **PL.XI.A.R1** — Powerplant(s) failure.
- **PL.XI.A.R2** — Identification of powerplant(s) failure conditions.
- **PL.XI.A.R3** — Pilot reaction to powerplant(s) failure conditions.
- **PL.XI.A.R4** — Aircraft configuration.

## Skills elements

- **PL.XI.A.S1** — Recognize that a powerplant(s) failure has occurred.
- **PL.XI.A.S2** — Use flight controls in the proper combination and aircraft configuration as recommended by the manufacturer, or as required to maintain best performance, and trim as required.
- **PL.XI.A.S3** — Maintain the operating powerplant(s) within acceptable operating limits.
- **PL.XI.A.S4** — Land the aircraft, as appropriate to the scenario presented by the evaluator.
- **PL.XI.A.S5** — Complete the appropriate checklist(s).
- **PL.XI.A.S6** — Make radio calls as appropriate.
- **PL.XI.A.S7** — Use single-pilot resource management (SRM) or crew resource management (CRM), as appropriate.

## Difficulty methodology

Difficulty calibration is ongoing for this Task. Observed difficulty is a privacy-thresholded check-ride.ai mock-oral practice proxy, not an FAA practical-test pass or fail rate. Underlying sample sizes and the private reporting threshold are not published.

## Official Task notes

- See Appendix 2: Safety of Flight and Appendix 3: Aircraft, Equipment, and Operational Requirements & Limitations for information related to this Task.
- The task outcome can be vertical or rolling depending on aircraft capabilities, configuration, and flight manual procedures.

## Use in practice

A mock examiner can ask a pilot to explain the published elements, apply them to the configured aircraft and airport context, identify risks, and defend a decision. Practice prompts are not represented as actual FAA examiner scripts or predictions of the questions a candidate will receive.