AA.VII.D.K1
D
What does AA.VII.D.K1 mean?
Flight characteristics and controllability associated with maneuvering the airplane with powerplant(s) inoperative to include the importance of drag reduction..
- Area of Operation
- VII
- Task
- D
- Element type
- A Knowledge element — a fact, concept, or procedure the FAA expects you to know and that the knowledge (written) test draws questions from.
What you need to know
When an engine fails, especially in a multiengine airplane, your first priority is controllability: identify and secure the failed engine, then minimize drag by cleaning up the airplane—retract gear and flaps as appropriate, feather the propeller if applicable, and streamline any dangling systems, since asymmetric thrust plus extra drag steepens performance loss and makes yaw/roll control harder to maintain. Reducing drag and properly trimming/banking toward the operating engine restores climb performance and directional control margins that would otherwise be eaten up by the failed engine's drag. A restart attempt is appropriate only when the cause of the failure is understood or suspected to be something correctable in flight (like fuel starvation, an electrical glitch, or icing) and conditions (altitude, airspeed, time available) allow a safe attempt without compromising control of the airplane; if the failure was mechanical or structural, restart isn't attempted. Know your aircraft's specific restart checklist logic and airspeed/altitude requirements from the AFM/POH rather than relying on generic numbers.
Why students miss this
Students often assume that once an engine fails, the priority is purely restart procedure memorization, missing that controllability and drag reduction come first — securing the airplane, managing yaw/roll tendencies, and cleaning up drag before ever addressing a restart. Another common trap is confusing when a restart is appropriate versus when securing the engine permanently is the safer, more prudent choice, especially in multi-engine or high-altitude scenarios.
Focus on: Study the sequence of priorities after engine failure — control the aircraft and reduce drag first — then learn the specific conditions that make a restart attempt reasonable versus inadvisable.
Drill this area until it sticks
AA.VII.D.K1 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.D.K1, grounded in the FAA handbooks.
Related ACS codes in D
Other elements the FAA tests under this same Task — review them together.
Common question
Why does drag reduction matter so much after an engine fails?
Excess drag from a windmilling propeller, extended gear/flaps, or improper trim can significantly degrade climb performance and controllability, so minimizing drag helps the airplane maintain the best possible performance on remaining power.
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.D.K1. 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.