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Instrument Rating ACS · Area V

IR.V Navigation Systems

2 tasks and 30 knowledge, risk management and skill elements. Each code below is a link target: a code from your test report, such as IR.V.A.K1, lands on its own line.

Instrument Rating Airman Certification Standards, FAA-S-ACS-8C (November 2023 edition), effective May 31, 2024 and incorporated by reference in 14 CFR 61.14. Text from the FAA’s ACS page, checked on 11 November 2026. If the FAA has published a newer edition since, the codes and wording may differ: the FAA document is the authority.

IR.V.A Intercepting and Tracking Navigational Systems and DME Arcs

To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with intercepting and tracking navigation aids and arcs solely by reference to instruments.

IR.V.A.K1Knowledge
Ground-based navigation (orientation, course determination, equipment, tests, and regulations), including procedures for intercepting and tracking courses and arcs.
IR.V.A.K2Knowledge
Satellite-based navigation (orientation, course determination, equipment, tests, regulations, interference, appropriate use of databases, Receiver Autonomous Integrity Monitoring (RAIM), and Wide Area Augmentation System (WAAS)), including procedures for intercepting and tracking courses and arcs.
IR.V.A.R1Risk management
Management of automated navigation and autoflight systems.
IR.V.A.R2Risk management
Distractions, task prioritization, loss of situational awareness, or disorientation.
IR.V.A.R3Risk management
Limitations of the navigation system in use.
IR.V.A.S1Skill
Tune and identify the navigation facility/program the navigation system and verify system accuracy as appropriate for the equipment installed in the aircraft.
IR.V.A.S2Skill
Determine aircraft position relative to the navigational facility or waypoint.
IR.V.A.S3Skill
Set and orient to the course to be intercepted.
IR.V.A.S4Skill
Intercept the specified course at appropriate angle, inbound to or outbound from a navigational facility or waypoint.
IR.V.A.S5Skill
Maintain airspeed ±10 knots, altitude ±100 feet, and selected headings ±5°.
IR.V.A.S6Skill
Apply proper correction to maintain a course, allowing no more than ¾-scale deflection of the course deviation indicator (CDI). If a distance measuring equipment (DME) arc is selected, maintain that arc ±1 nautical mile.
IR.V.A.S7Skill
Recognize navigational system or facility failure, and when required, report the failure to air traffic control (ATC).
IR.V.A.S8Skill
Use a multi-function display (MFD) and other graphical navigation displays, if installed, to monitor position, track wind drift, and to maintain situational awareness.
IR.V.A.S9Skill
At the discretion of the evaluator, use the autopilot to make appropriate course intercepts, if installed.
IR.V.A.S10Skill
Use single-pilot resource management (SRM) or crew resource management (CRM), as appropriate.

IR.V.B Departure, En Route, and Arrival Operations

To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with IFR departure, en route, and arrival operations solely by reference to instruments.

IR.V.B.K1Knowledge
Elements related to ATC routes, including departure procedures (DPs) and associated climb gradients; standard terminal arrival (STAR) procedures and associated constraints.
IR.V.B.K2Knowledge
Pilot/controller responsibilities, communication procedures, and ATC services available to pilots.
IR.V.B.R1Risk management
ATC communications and compliance with published procedures.
IR.V.B.R2Risk management
Limitations of traffic avoidance equipment.
IR.V.B.R3Risk management
Responsibility to use "see and avoid" techniques when possible.
IR.V.B.S1Skill
Select, identify (as necessary) and use the appropriate communication and navigation facilities associated with the proposed flight.
IR.V.B.S2Skill
Perform the appropriate checklist items relative to the phase of flight.
IR.V.B.S3Skill
Use the current and appropriate paper or electronic navigation publications.
IR.V.B.S4Skill
Establish two-way communications with the proper controlling agency, use proper phraseology, and comply in a timely manner with all ATC instructions and airspace restrictions.
IR.V.B.S5Skill
Intercept all courses, radials, and bearings appropriate to the procedure, route, or clearance in a timely manner.
IR.V.B.S6Skill
Comply with all applicable charted procedures.
IR.V.B.S7Skill
Maintain airspeed ±10 knots, altitude ±100 feet, and selected headings ±10°, and apply proper correction to maintain a course allowing no more than ¾-scale deflection of the course deviation indicator (CDI).
IR.V.B.S8Skill
Update/interpret weather in flight.
IR.V.B.S9Skill
Use displays of digital weather and aeronautical information, as applicable to maintain situational awareness.
IR.V.B.S10Skill
Use single-pilot resource management (SRM) or crew resource management (CRM), as appropriate.

Other areas in this standard

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Last updated 11 November 2026.