IR.II.BFAA-S-ACS-8C · Nov 2023
Aircraft Flight Instruments and Navigation Equipment
To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with managing instruments appropriate for an IFR flight.
Bottom line
No person may operate an airplane or helicopter in controlled airspace under IFR unless each static pressure system, altimeter, and automatic pressure altitude reporting system has been tested and inspected within the preceding 24 calendar months.
FAA references
- 14 CFR 91.411 (Altimeter system and altitude reporting equipment tests and inspections.) — eCFR current as of 2026-03-05
- AFH ch. 18 (p. 18-15) — FAA-H-8083-3C
- 14 CFR 91.205 (Powered civil aircraft with standard U.S. airworthiness certificates: Instrument and equipment requirements.) — eCFR current as of 2026-03-05
Knowledge
- IR.II.B.K1: Operation of the aircraft’s applicable flight instrument system(s), including:
- IR.II.B.K1a: a. Pitot-static instrument system and associated instruments
- IR.II.B.K1b: b. Gyroscopic/electric/vacuum instrument system and associated instruments
- IR.II.B.K1c: c. Electrical systems, electronic flight instrument displays [primary flight display (PFD), multifunction display (MFD)], transponder and au
- IR.II.B.K1d: d. Magnetic compass
- IR.II.B.K2: Operation of the aircraft’s applicable navigation system(s), including:
- IR.II.B.K2a: a. Very high frequency (VHF) Omnidirectional Range (VOR), distance measuring equipment (DME), instrument landing system (ILS), marker beacon
- IR.II.B.K2b: b. Area navigation (RNAV), global positioning system (GPS), Wide Area Augmentation System (WAAS), flight management system (FMS), autopilot
- IR.II.B.K3: b. Area navigation (RNAV), global positioning system (GPS), Wide Area Augmentation System (WAAS), flight management system (FMS), autopilot
Risk management
- 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.
Skills
Build understanding you can use
Unlock the full lesson and continue studying this element.
- Full teaching sections: Task bottom line
- Check your understanding with answers you can reveal