Airman Certification Standards
ACS IR.III.A
Compliance with Air Traffic Control Clearances
Knowledge
Elements and procedures related to ATC clearances and pilot/controller responsibilities for departure, en route, and arrival phases of flight, including clearance void times.
Pilot-in-Command (PIC) emergency authority.
Lost communication procedures and procedures for flights outside of radar environments.
Risk Management
Less than full understanding of an ATC clearance.
Inappropriate, incomplete, or incorrect ATC clearances.
ATC clearance inconsistent with aircraft performance or navigation capability.
ATC clearance intended for other aircraft with similar call signs.
Skill
Correctly copy, read back, interpret, and comply with simulated or actual ATC clearances in a timely manner using standard phraseology as provided in the Aeronautical Information Manual (AIM).
Correctly set communication frequencies, navigation systems (identifying when appropriate), and transponder codes in compliance with the ATC clearance.
Use the current and appropriate paper or electronic navigation publications.
Intercept all courses, radials, and bearings appropriate to the procedure, route, or clearance in a timely manner.
Maintain the applicable airspeed ±10 knots, headings ±10°, altitude ±100 feet; track a course, radial, or bearing within ¾-scale deflection of the course deviation indicator (CDI).
Use single-pilot resource management (SRM) or crew resource management (CRM), as appropriate.
Perform the appropriate checklist items relative to the phase of flight.
Retrieved from ecfr.gov on July 17, 2026.