Not affiliated with the FAA. Original questions based on the current text of 14 CFR Parts 61 and 91 on eCFR (current as of 2026-10-26), the FAA Pilot’s Handbook of Aeronautical Knowledge (FAA-H-8083-25C) and Airplane Flying Handbook (FAA-H-8083-3C).
FAA Basic Ground Instructor (BGI) knowledge test: practice test with original questions
Practice for the FAA Basic Ground Instructor (BGI) knowledge test with 110 original questions written from the current 14 CFR Parts 61 and 91 and FAA handbooks. Mock tests follow the published rule: 80 questions, 56 correct to pass.
The FAA Basic Ground Instructor (BGI) knowledge test has 80 questions, and you pass with 56 correct answers. These 110 practice questions were written from Pilot’s Handbook of Aeronautical Knowledge (FAA-H-8083-25C) (2023) and checked against it on Oct 28, 2026.
110 questions · Modes: Study, Topic drill, Mock exam, Daily 5
Mock exam: 80 questions, pass at 56
About this test
Practice for the FAA Basic Ground Instructor (BGI) knowledge test with original questions written from the current text of 14 CFR Parts 61 and 91 on eCFR (current as of 2026-10-26), the FAA Pilot’s Handbook of Aeronautical Knowledge (FAA-H-8083-25C) and Airplane Flying Handbook (FAA-H-8083-3C). Every correct answer is backed by a passage of the source and checked by two independent verifiers.
- Study: every question with a short explanation.
- Topic drills: regulations and privileges, aerodynamics and aircraft systems, performance and maneuvers, weather, airspace and navigation, human factors and decision-making.
- Mock test: 80 questions, 56 correct (70%) to pass, as the FAA Airman Knowledge Testing Matrix (revised 9/25/26) states for test BGI.
The questions are written in our own words; this is not the FAA’s question bank. Chart, figure and computer questions that need images are not included.
Topics
- Alcohol and flying · 2
- Advection fog · 1
- Adverse yaw · 1
- Ailerons · 1
- Aircraft speed below 10,000 feet · 1
- Air density and humidity · 1
- Alert areas · 1
- Angle of attack · 1
- Arm in weight and balance · 1
- Atmospheric layers · 1
- Attitude control · 1
- Autokinesis · 1
- Basic ground instructor and flight reviews · 1
- Basic ground instructor knowledge test areas · 1
- Basic ground instructor training scope · 1
- Battery purpose · 1
- Best rate of climb · 1
- Carburetor heat · 1
- Carburetor ice conditions · 1
- CARE checklist · 1
- CG outside limits · 1
- Class A airspace · 1
- Class B airspace · 1
- Class C airspace · 1
- Class D airspace · 1
- Class E base · 1
- Constant-speed propeller · 1
- Dead reckoning · 1
- Density altitude definition · 1
- Detonation · 1
- Dew point · 1
- Drag definition · 1
- Dual ignition · 1
- Elevator trim purpose · 1
- Emergency touchdown speed · 1
- Excessive ballooning · 1
- Excess takeoff airspeed · 1
- External pressures · 1
- Flap drag · 1
- Flat spin · 1
- Flight review minimum time · 1
- Flight Service Station · 1
- Fuel color coding · 1
- Fundamentals of instructing subjects · 1
- Ground instructor endorsements · 1
- Ground instructor minimum age · 1
- Ground instructor recent experience · 1
- Gusty takeoff · 1
- Hazardous attitudes · 1
- Haze illusion · 1
- Heading, track and drift · 1
- Head-on right-of-way · 1
- High clouds · 1
- High density altitude · 1
- Human factors in accidents · 1
- Hyperventilation · 1
- Hypoxia · 1
- Icing awareness · 1
- Impulsivity · 1
- Invulnerability · 1
- Knots to miles per hour · 1
- Land breeze · 1
- Lift and airspeed · 1
- Load factor and stall speed · 1
- Load factor units · 1
- Magnetic compass errors · 1
- Magneto independence · 1
- Microburst · 1
- Military operations areas · 1
- Night passenger currency · 1
- Outlook briefing · 1
- Passenger-carrying currency · 1
- Pattern altitude · 1
- Pattern entry · 1
- Pattern turn direction · 1
- Pitot tube preflight · 1
- Pre-solo knowledge test review · 1
- Pressure system circulation · 1
- Private pilot minimum age · 1
- Private pilot sharing expenses · 1
- Recreational pilot passenger limit · 1
- Restricted areas · 1
- Rolling out of turns · 1
- Rudder in turns · 1
- Sectional chart scale · 1
- Skids and slips · 1
- SPECI reports · 1
- Spin airspeed · 1
- Stabilized approach · 1
- Stall and angle of attack · 1
- Stall speed in a level turn · 1
- Student pilot minimum age · 1
- Student pilot passengers · 1
- Supplemental oxygen minimum crew · 1
- Symptoms of hypoxia · 1
- TEAM checklist · 1
- Terminal aerodrome forecast · 1
- The 5 Ps · 1
- The leans · 1
- Thunderstorm hail · 1
- Thunderstorm life cycle · 1
- Time zones · 1
- Uncontrolled airspace · 1
- Useful load · 1
- VFR day fuel reserve · 1
- Visual scanning · 1
- Warm and cold fronts · 1
- Weight and takeoff distance · 1
- Wind effect on takeoff · 1
Sources and version
- Pilot’s Handbook of Aeronautical Knowledge (FAA-H-8083-25C)Covers: 2023
- 14 CFR Part 61, Certification: Pilots, Flight Instructors, and Ground Instructors (eCFR, current as of 2026-10-26)Covers: eCFR current as of 2026-10-26
- Airplane Flying Handbook (FAA-H-8083-3C)Covers: 2021
- 14 CFR Part 91, General Operating and Flight Rules (eCFR, current as of 2026-10-26)Covers: eCFR current as of 2026-10-26
Covers: 14 CFR Parts 61 and 91 as of 2026-10-26; PHAK FAA-H-8083-25C; AFH FAA-H-8083-3C · Verified current as of Oct 28, 2026
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How this page was made
Built from the sources listed above and reviewed before it was published. Where the source licence allows it the questions keep the source wording; otherwise they are original questions based on the source. Every answer shows its source. This is not legal, immigration, medical or financial advice.