Airman Certification Standards
ACS PH.VII.C
Diversion
Knowledge
Selecting an alternate destination.
Situations that require deviations from flight plan or air traffic control (ATC) instructions.
Risk Management
Collision hazards.
Distractions, task prioritization, loss of situational awareness, or disorientation.
Circumstances that would make diversion prudent.
Selecting an airport/heliport/helipad, as applicable.
Using available resources (e.g., automation, ATC, and flight deck planning aids).
Skill
Select a suitable airport/heliport/helipad, as applicable, and route for diversion.
Make a reasonable estimate of heading, groundspeed, arrival time, and fuel required to the “divert to” destination.
Promptly divert toward the airport/heliport/helipad.
Maintain the selected altitude, ±200 feet and headings, ±15°.
Update/interpret weather in flight.
Use displays of digital weather and aeronautical information, as applicable to maintain situational awareness.
Retrieved from ecfr.gov on July 17, 2026.