AA.VII.C.S1
Powerplant Failure (Simulated) (ASEL, ASES)
What does AA.VII.C.S1 mean?
Recognize the powerplant failure..
- Area of Operation
- VII. Emergency Operations
- Task
- C. Powerplant Failure (Simulated) (ASEL, ASES)
- 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
When the engine fails, your first job is to fly the airplane: pitch immediately for best glide speed and hold it within a tight tolerance, because deviating even a little bit robs you of glide distance and options. Wind matters a lot for a power-off glide—headwinds shrink your range over the ground and tailwinds extend it, so factor wind direction and speed into picking a landing site and shaping your approach path, not just altitude versus distance. After establishing glide speed, run the process of elimination for restart potential if altitude allows, but don't let troubleshooting distract you from flying, watching for other traffic, and continuously reassessing whether your chosen field or runway is still reachable as conditions or your glide path change. The examiner is also testing judgment under stress: avoiding a stall/spin or CFIT from low-altitude maneuvering, keeping situational awareness while task-loaded, and knowing how a failure in IMC changes your priorities (control and course to a safe area take precedence over troubleshooting when you can't see outside).
Why students miss this
Students tend to fixate on stretching the glide toward a preferred landing spot, forgetting that turning downwind or maneuvering aggressively at low altitude bleeds energy and dramatically increases stall/spin risk—this is the classic setup for a low-altitude CFIT accident. The other common trap is treating engine-failure procedures as a fixed checklist race, so pilots skip the basic fly-the-airplane priorities (best glide speed, landing site selection, configuration) while chasing a restart attempt that eats up altitude they don't have.
Focus on: Drill the sequence of priorities—maintain control and best glide speed first, pick and commit to a landing area accounting for wind and terrain, then troubleshoot the failure only if altitude and workload allow.
Drill this area until it sticks
AA.VII.C.S1 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.
Related ACS codes in C. Powerplant Failure (Simulated) (ASEL, ASES)
Other elements the FAA tests under this same Task — review them together.
- AA.VII.C.K2cEffects of wind on glide distance
- AA.VII.C.R1Altitude, wind, terrain, obstructions, gliding distance, and available landing distance conside…
- AA.VII.C.R2Following or changing the planned flightpath to the selected landing area.
- AA.VII.C.R3Collision hazards.
- AA.VII.C.R4Configuring the airplane.
- AA.VII.C.R5Low altitude maneuvering, including stall, spin, or controlled flight into terrain (CFIT).
- AA.VII.C.R6Distractions, task prioritization, loss of situational awareness, or disorientation.
- AA.VII.C.R7A powerplant failure in Instrument Meteorological Conditions (IMC).
+ 8 more elements in this Task.
Common question
Should I always try to restart the engine before setting up for landing?
Only if altitude and time clearly permit it without compromising aircraft control or the approach to your chosen landing area—maintaining best glide speed and reaching a safe touchdown spot always comes first.
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.C.S1. 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.