Instrument Rating · Area II: Preflight Procedures
Task B. Aircraft Flight Instruments and Navigation Equipment
FAA-S-ACS-8C · Effective 2024-05-31
Knowledge
What you should understand and be able to explain.
- IR.II.B.K1Operation of the aircraft’s applicable flight instrument system(s), including:
- IR.II.B.K1aPitot-static instrument system and associated instruments
- IR.II.B.K1bGyroscopic/electric/vacuum instrument system and associated instruments
- IR.II.B.K1cElectrical systems, electronic flight instrument displays [primary flight display (PFD), multi-function display (MFD)], transponder and automatic dependent surveillance - broadcast (ADS-B)
- IR.II.B.K1dMagnetic compass
- IR.II.B.K2Operation of the aircraft’s applicable navigation system(s), including:
- IR.II.B.K2aVery high frequency (VHF) Omnidirectional Range (VOR), distance measuring equipment (DME), instrument landing system (ILS), marker beacon receiver/indicators
- IR.II.B.K2bArea navigation (RNAV), global positioning system (GPS), Wide Area Augmentation System (WAAS), flight management system (FMS), autopilot
- IR.II.B.K3Use of an electronic flight bag (EFB), if used.
Risk management
Risks to recognize and decisions to consider.
- IR.II.B.R1Monitoring and management of automated systems.
- IR.II.B.R2Difference between approved and non-approved navigation devices.
- IR.II.B.R3Modes of flight and navigation instruments, including failure conditions.
- IR.II.B.R4Use of an electronic flight bag.
- IR.II.B.R5Use of navigation databases.
Skill elements and task objectives
This page covers knowledge and risk management. For the complete task, including skill standards, open the FAA document (PDF).