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Are you preparing for your FAA knowledge tests?<\/p>\nAre you preparing for your FAA knowledge tests?<\/p>\n
This post breaks down the top 10 most common codes for each major knowledge test from January 1 through May 1, 2026. The data is from www.FAATestCodeLookup.com<\/a> where there have been thousands of reports entered that help CFIs and applicants reference the codes that showed up as missed on their respective knowledge tests.<\/p>\n Understanding these high-frequency missed topic areas can help prioritize your study time effectively and boost your chances of passing on the first try.<\/p>\n Below are the codes that are showing up regularly and the associated content description from the ACS or each test.<\/p>\n Private Pilot Tests:<\/strong><\/p>\n PA.IV.C.K4 – Ground effect. Instrument Rating Tests:<\/strong><\/p>\n IR.II.B.K1d – Magnetic compass. Commercial Pilot Tests:<\/strong><\/p>\n CA.I.F.K1 – Elements related to performance and limitations by explaining the use of charts, tables, and data to determine performance. Flight Instructor Tests:<\/strong><\/p>\n AI.III.A.K1 – Certification, currency, and recordkeeping requirements, including training and logbook entries. FI.I.D.K2 – Traditional assessments. Are you preparing for your FAA knowledge tests? This post breaks down the top 10 most common codes for each major knowledge test from January 1 through May 1, 2026. The data is from www.FAATestCodeLookup.com where there have been thousands … Continue reading
\nPA.II.B.K1 – Passenger briefing requirements, including operation and required use of safety re
\nPA.I.G.K1c – Powerplant and propeller
\nPA.IX.A.K2 – Immediate action items and emergency procedures.
\nPA.I.C.K2 – Acceptable weather products and resources required for preflight planning, current
\nPA.VI.A.K5 – Plotting a course, including
\nPA.IV.F.K3 – Wind correction techniques on approach and landing.
\nPA.II.D.K3 – Airport markings, signs, and lights.
\nPA.I.E.K1 – Airspace classes and associated requirements and limitations.
\nPA.I.F.K1 – Elements related to performance and limitations by explaining the use of charts, ta<\/p>\n
\nIR.I.B.K3e \u2013 Frost.
\nIR.I.C.K1e \u2013 Enroute charts.
\nIR.I.C.K3c \u2013 Fuel requirements, including reserve.
\nIR.I.C.K1d – Primary and alternate airports.
\nIR.I.B.K3a – Adverse weather phenomena, including wind shear, and their effect on airplane control and performance.
\nIR.I.B.K3f – Clouds.
\nIR.II.B.K2a – Differences between magnetic heading\/course and true heading\/course.
\nIR.I.B.K2a – Airport observations (METAR and SPECI) and pilot weather reports (PIREP).
\nIR.I.B.K3h – Thunderstorms and microbursts.<\/p>\n
\nCA.I.F.K3 – Aerodynamics.
\nCA.I.G.K1c – Powerplant and propeller.
\nCA.IV.E.K2 – Best angle of climb speed (VX) and best rate of climb speed (VY).
\nCA.I.A.K2 – Privileges and limitations of a commercial pilot certificate.
\nCA.I.E.K1 – Airspace classes and associated requirements and limitations.
\nCA.VII.E.K2 – Situations that could lead to an inadvertent spin.
\nCA.IV.B.K1 – A stabilized approach, including energy management concepts.
\nCA.VI.B.K4 – Use of ATC radar services.
\nCA.VIII.B.K1 – Operation of pressurization systems.<\/p>\n
\nAI.II.J.K1 – 14 CFR parts 1, 61, and 91.
\nAI.II.K.K2 – Required student pilot pre-solo knowledge test, solo endorsements, and logbook entries.
\nAI.II.G.K1 – Airspace classes and associated requirements and limitations.
\nAI.III.C.K3 – Meteorology applicable to the departure, en route, alternate, and destination under visual flight
\nAI.II.F.R6 – Shifting, adding, and removing weight.
\nAI.II.D.K4 – Forces acting on an airplane.
\nAI.II.D.K2 – Airplane stability, maneuverability and controllability.
\nAI.II.I.K5 – Calculating
\nAI.III.A.K2 – Privileges and limitations of pilot certificates and ratings at student pilot, sport, recreational, private<\/p>\n
\nFI.I.B.K3 – Perceptions and insight.
\nFI.I.C.K10c – Lesson plans
\nFI.I.C.K5c – Guided discussion
\nFI.I.B.K6a – Cognitive
\nFI.I.C.K4 – Organization of material.
\nFI.I.A.K2d – Physical discomfort, illness, fatigue, and dehydration
\nFI.I.A.K1e – Defense mechanisms
\nFI.I.A.K2b – Impatience
\nFI.I.C.K2 – Course of training.<\/p>\n![\"\"](\"https:\/\/jasonblair.net\/wp-content\/uploads\/2026\/05\/FAATestCodeLookupBanner-300x55.png\")
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