ACS code reference
Flight Instructor ACS codes
14 Areas of Operation and 85 tasks from FAA-S-ACS-25. Codes beginning FI and AI belong to this standard.
Flight Instructor Airman Certification Standards, FAA-S-ACS-25 (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.
Look up a code from your test report
FI.I Fundamentals of Instructing
FI.I.AEffects of Human Behavior and Communication on the Learning ProcessFI.I.BLearning ProcessFI.I.CCourse Development, Lesson Plans, and Classroom Training TechniquesFI.I.DStudent Evaluation, Assessment, and TestingFI.I.EElements of Effective Teaching in a Professional EnvironmentFI.I.FElements of Effective Teaching that Include Risk Management and Accident Prevention
AI.II Technical Subject Areas
AI.II.AHuman FactorsAI.II.BVisual Scanning and Collision AvoidanceAI.II.CRunway Incursion AvoidanceAI.II.DPrinciples of FlightAI.II.EAircraft Flight Controls and Operation of SystemsAI.II.FPerformance and LimitationsAI.II.GNational Airspace SystemAI.II.HNavigation Systems and Radar ServicesAI.II.INavigation and Cross-Country Flight PlanningAI.II.J14 CFR and PublicationsAI.II.KEndorsements and Logbook EntriesAI.II.LWater and Seaplane Characteristics, Seaplane Bases, Maritime Rules, and Aids to Marine Navigation (ASES, AMES)AI.II.MNight OperationsAI.II.NHigh Altitude Operations - Supplemental OxygenAI.II.OHigh Altitude Operations - PressurizationAI.II.POne Engine Inoperative (OEI) Performance (AMEL, AMES)
AI.III Preflight Preparation
AI.IV Preflight Lesson on a Maneuver to be Performed in Flight
AI.V Preflight Procedures
AI.V.APreflight AssessmentAI.V.BFlight Deck ManagementAI.V.CEngine StartingAI.V.DTaxiing, Airport Signs, and Lighting (ASEL, AMEL)AI.V.ETaxiing and Sailing (ASES, AMES)AI.V.FBefore Takeoff Check
AI.VI Airport and Seaplane Base Operations
AI.VII Takeoffs, Landings, and Go-Arounds
AI.VII.ANormal Takeoff and ClimbAI.VII.BNormal Approach and LandingAI.VII.CSoft-Field Takeoff and Climb (ASEL)AI.VII.DSoft-Field Approach and Landing (ASEL)AI.VII.EShort-Field Takeoff and Maximum Performance Climb (ASEL, AMEL)AI.VII.FShort-Field Approach and Landing (ASEL, AMEL)AI.VII.GConfined Area Takeoff and Maximum Performance Climb (ASES, AMES)AI.VII.HConfined Area Approach and Landing (ASES, AMES)AI.VII.IGlassy Water Takeoff and Climb (ASES, AMES)AI.VII.JGlassy Water Approach and Landing (ASES, AMES)AI.VII.KRough Water Takeoff and Climb (ASES, AMES)AI.VII.LRough Water Approach and Landing (ASES, AMES)AI.VII.MSlip to a Landing (ASEL, ASES)AI.VII.NGo-Around/Rejected LandingAI.VII.OPower-Off 180° Accuracy Approach and Landing (ASEL, ASES)
AI.VIII Fundamentals of Flight
AI.VIII.AStraight-and-Level FlightAI.VIII.BLevel TurnsAI.VIII.CStraight Climbs and Climbing TurnsAI.VIII.DStraight Descents and Descending Turns
AI.IX Performance and Ground Reference Maneuvers
AI.IX.ASteep TurnsAI.IX.BSteep Spiral (ASEL, ASES)AI.IX.CChandelles (ASEL, ASES)AI.IX.DLazy Eights (ASEL, ASES)AI.IX.EGround Reference ManeuversAI.IX.FEights on Pylons (ASEL, ASES)
AI.X Slow flight, Stalls, and Spins
AI.X.AManeuvering During Slow FlightAI.X.BDemonstration of Flight Characteristics at Various Configurations and Airspeeds (ASEL and ASES)AI.X.CPower-Off StallsAI.X.DPower-On StallsAI.X.EAccelerated StallsAI.X.FCross-Controlled Stall Demonstration (ASEL, ASES)AI.X.GElevator Trim Stall Demonstration (ASEL, ASES)AI.X.HSecondary Stall Demonstration (ASEL, ASES)AI.X.ISpin Awareness and Spins
AI.XI Basic Instrument Maneuvers
AI.XI.AStraight-and-Level FlightAI.XI.BConstant Airspeed ClimbsAI.XI.CConstant Airspeed DescentsAI.XI.DTurns to HeadingsAI.XI.ERecovery from Unusual Flight Attitudes
AI.XII Emergency Operations
AI.XII.AEmergency DescentAI.XII.BEmergency Approach and Landing (Simulated) (ASEL, ASES)AI.XII.CSystems and Equipment MalfunctionsAI.XII.DEmergency Equipment and Survival GearAI.XII.EEngine Failure During Takeoff Before VMC (Simulated) (AMEL, AMES)AI.XII.FEngine Failure After Liftoff (Simulated) (AMEL, AMES)AI.XII.GApproach and Landing with an Inoperative Engine (Simulated)(AMEL, AMES)
AI.XIII Multiengine Operations
AI.XIII.AManeuvering with One Engine Inoperative (AMEL, AMES)AI.XIII.BVMC Demonstration (AMEL, AMES)AI.XIII.CDemonstration of Effects of Various Airspeeds and Configurations during Engine Inoperative Performance (AMEL and AMES)
AI.XIV Postflight Procedures
Keeping a flying club current
FlightWay is flying club software. It tracks each member’s flight review and medical expiry and can refuse a booking that would break the club’s currency rules, alongside scheduling, billing and the club’s books.
Last updated 11 November 2026.