Airman Certification Standards
ACS AA.IV.A
Steep Turns
Knowledge
Energy management concepts.
Aerodynamics associated with steep turns, including:
a. Maintaining coordinated flight
b. Overbanking tendencies
c. Maneuvering speed, including the impact of weight changes
d. Load factor and accelerated stalls
e. Rate and radius of turn
Risk Management
Spatial disorientation when conducting a steep turn while flying by reference to instruments.
Collision hazards including aircraft and terrain.
Low altitude maneuvering, including stall, spin, or controlled flight into terrain (CFIT).
Distractions, task prioritization, loss of situational awareness, or disorientation.
Uncoordinated flight.
Skill
Select an entry altitude that allows the Task to be completed no lower than 3,000 feet above ground level (AGL).
Establish the manufacturer's recommended airspeed; or if one is not available, an airspeed not to exceed maneuvering speed (VA).
Establish at least a 45° bank solely by reference to instruments and make a coordinated steep turn of at least 180°, as specified by the evaluator.
Perform the Task in the opposite direction, as specified by evaluator.
Make smooth pitch, bank, and power adjustments as needed.
Maintain the entry altitude ±100 feet, airspeed ±10 knots, bank ±5°, and roll out on the specified heading, ±10°.
Avoid any indication of an impending stall, abnormal flight attitude, or exceeding any structural or operating limitation during any part of the Task. 31
Retrieved from ecfr.gov on July 17, 2026.