Airman Certification Standards
ACS IR.II.C
Instrument Flight Deck Check
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Knowledge
K1
Purpose of performing an instrument flight deck check and how to detect possible defects.
K2
IFR airworthiness, including aircraft inspection requirements and required equipment for IFR flight.
K3
Required procedures, documentation, and limitations of flying with inoperative equipment.
Risk Management
R1
Operating with inoperative equipment.
R2
Operating with outdated navigation publications or databases.
Skill
S1
Perform preflight inspection by following the checklist appropriate to the aircraft and determine if the aircraft is in a condition for safe instrument flight. 8
Retrieved from ecfr.gov on July 17, 2026.