AA.VII.B.S5
Powerplant Failure During Takeoff
What does AA.VII.B.S5 mean?
Maintain the appropriate heading, ±5°, when powerplant failure occurs (AMEL, AMES)..
- Area of Operation
- VII. Emergency Operations
- Task
- B. Powerplant Failure During Takeoff
- Element type
- A Skill element — something you must physically demonstrate to your examiner on the practical test (checkride), not the written.
What you need to know
The core idea is that an engine failure during takeoff demands a pre-briefed, decisive response, not improvisation: before every takeoff you (and your crew, if applicable) should know your decision point, what performance you can expect, and what you'll do if the engine quits before vs. after that point. Below a safe maneuvering speed/altitude, the correct response is generally to maintain control and land straight ahead or with minimal deviation rather than attempt a turn back, because low-altitude turning after thrust loss is a classic setup for a stall/spin or CFIT. In a multiengine airplane, you must positively identify and confirm the failed engine before touching any control (the old 'dead foot, dead engine' idea) and understand that losing an engine can seriously erode climb performance, so pitch, bank, and power must be managed exactly as the manufacturer recommends to maintain best control and any climb capability you have. Throughout, the task is really testing your ability to prioritize flying the airplane first, use the correct checklist/procedure at the right time, and avoid distraction-induced loss of situational awareness during a high-workload, high-consequence event.
Why students miss this
Students often treat engine failure after V1 as a decision point rather than a committed continuation, forgetting that below V1 the response is to reject while above V1 (or after liftoff before a safe maneuvering altitude) the only safe option is to fly the airplane straight ahead and manage the failure while continuing the takeoff or climb. The other common trap is misidentifying the failed engine under stress (relying on rudder pressure and instrument cross-check rather than gut feel), which leads to shutting down the wrong engine or mismanaging power on the good one.
Focus on: Drill the logic of 'before V1 vs. after V1/airborne' decision-making and practice the dead-foot/dead-engine identification flow until it's automatic, not guessed.
Drill this area until it sticks
AA.VII.B.S5 came from a question you missed on the FAA Airline Transport Pilot Multiengine Airplane knowledge test. Drill ACS-aligned practice questions with AI explanations and the cited FAA handbook reference behind every answer — free to start.
Missing it isn't a verdict on you — it's a sign your prep skipped the why behind it. Memorizing answer letters is exactly what leaves gaps like this. Here, every answer explains the reasoning and cites the FAA source it comes from, so the concept holds on test day and at the checkride oral.
Study this concept
Plain-English explanations of the key ideas behind AA.VII.B.S5, grounded in the FAA handbooks.
Related ACS codes in B. Powerplant Failure During Takeoff
Other elements the FAA tests under this same Task — review them together.
- AA.VII.B.R1Planning for a potential powerplant failure during takeoff considering operational factors (e.g…
- AA.VII.B.R2Briefing the plan for a powerplant failure during takeoff, in a crew environment.
- AA.VII.B.R3Selection of the procedures or checklists to follow in an emergency.
- AA.VII.B.R4Identifying the inoperative engine (AMEL, AMES).
- AA.VII.B.R5Inability to climb or maintain altitude with an inoperative powerplant (AMEL, AMES).
- AA.VII.B.R6Altitude, wind, terrain, and obstruction considerations in an emergency.
- AA.VII.B.R7Low altitude maneuvering, including stall, spin, or controlled flight into terrain (CFIT).
- AA.VII.B.R8Distractions, task prioritization, loss of situational awareness, or disorientation.
+ 6 more elements in this Task.
Common question
Do I actually need to memorize specific V1 or climb gradient numbers for this task?
No — the task is about understanding the decision logic and procedures around engine failure, not specific performance numbers, which vary by aircraft and are found in the AFM/POH.
What is an FAA ACS code?
The FAA's Airman Certification Standards (ACS) break each certificate into Areas of Operation, Tasks, and specific Knowledge (K), Risk Management (R), and Skill (S) elements. Every knowledge-test question maps to one code like AA.VII.B.S5. When you miss a question, your Airman Knowledge Test Report lists its code so you know exactly what to review.
Have a whole list of codes from your report? Paste them all into our free ACS code lookup to see every weak area at once — or browse the aviation glossary for plain-English definitions.