AA.IV.A.K2d
A
What does AA.IV.A.K2d mean?
d. Load factor and accelerated stalls.
- Area of Operation
- IV
- Task
- A
- 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
Steep turns push you into a regime where energy management and aerodynamics interact directly: as bank angle increases, load factor rises sharply, which increases stall speed and drag, so you must add back-pressure and often power to hold altitude and airspeed. Overbanking tendency (the outer wing traveling faster and generating more lift) requires opposite aileron pressure to hold a constant bank, and any slip or skid (uncoordinated flight) distorts your turn radius and loading, increasing the risk of an accelerated stall. Maneuvering speed matters because it's the speed below which the airplane will stall before structural limits are exceeded, but that speed decreases as weight decreases—so a lighter airplane has a lower maneuvering speed than the book value at max gross weight. Rate and radius of turn both depend on bank angle and airspeed: for a given bank, slower airspeed tightens the radius and speeds up the turn rate, which is why energy awareness (trading altitude, airspeed, and power appropriately) is central to flying a stable, coordinated steep turn.
Why students miss this
Students often think of maneuvering speed as a fixed number rather than a value that changes with aircraft weight, and they miss that flying above it in turbulence or abrupt control use can still overstress the airframe even though it protects against classic stall-first structural failure. They also confuse rate of turn and radius of turn, or forget that overbanking tendency in a steep turn results from the outer wing traveling faster and generating more lift, requiring active opposite aileron rather than just holding a bank angle.
Focus on: Study how load factor, stall speed, and maneuvering speed all move together as weight and bank angle change, and be able to explain overbanking tendency and rate versus radius of turn in your own words.
Drill this area until it sticks
AA.IV.A.K2d 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.IV.A.K2d, grounded in the FAA handbooks.
Related ACS codes in A
Other elements the FAA tests under this same Task — review them together.
Common question
Why does maneuvering speed decrease as the aircraft gets lighter?
Maneuvering speed is tied to the speed at which the wing stalls at the airplane's structural load limit, and since a lighter airplane stalls at a lower speed, its maneuvering speed decreases too.
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.IV.A.K2d. 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.