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.

9 elements
  • IR.II.B.K1
    Operation of the aircraft’s applicable flight instrument system(s), including:
  • IR.II.B.K1a
    Pitot-static instrument system and associated instruments
  • IR.II.B.K1b
    Gyroscopic/electric/vacuum instrument system and associated instruments
  • IR.II.B.K1c
    Electrical systems, electronic flight instrument displays [primary flight display (PFD), multi-function display (MFD)], transponder and automatic dependent surveillance - broadcast (ADS-B)
  • IR.II.B.K1d
    Magnetic compass
  • IR.II.B.K2
    Operation of the aircraft’s applicable navigation system(s), including:
  • IR.II.B.K2a
    Very high frequency (VHF) Omnidirectional Range (VOR), distance measuring equipment (DME), instrument landing system (ILS), marker beacon receiver/indicators
  • IR.II.B.K2b
    Area navigation (RNAV), global positioning system (GPS), Wide Area Augmentation System (WAAS), flight management system (FMS), autopilot
  • IR.II.B.K3
    Use of an electronic flight bag (EFB), if used.

Risk management

Risks to recognize and decisions to consider.

5 elements
  • IR.II.B.R1
    Monitoring and management of automated systems.
  • IR.II.B.R2
    Difference between approved and non-approved navigation devices.
  • IR.II.B.R3
    Modes of flight and navigation instruments, including failure conditions.
  • IR.II.B.R4
    Use of an electronic flight bag.
  • IR.II.B.R5
    Use 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).