Becoming a CGI (Certified Ground Instructor) is a rewarding career path for those passionate about aviation and educating future pilots. Ground Instructors (GIs) play an essential role by training and guiding aspiring pilots on aviation theories, regulations, and best practices. This article provides a comprehensive guide on the CGI certification, covering everything from exam preparation and certification requirements to job descriptions.
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Facts verified Oct 21, 2026 against Federal Aviation Administration (FAA), U.S. Department of Transportation; knowledge tests delivered by the FAA's Airman. Dates that have passed are removed automatically.
| Item | Detail | Official source |
|---|---|---|
| Number of questions (Advanced Ground Instructor (AGI)) | 100 questions | faa.gov |
| Number of questions (Basic Ground Instructor (BGI)) | 80 questions | faa.gov |
| Number of questions (Fundamentals of Instructing (FOI)) | 50 questions | faa.gov |
| Number of questions (Instrument Ground Instructor (IGI)) | 50 questions | faa.gov |
| Passing score (Advanced Ground Instructor (AGI)) | 70% | faa.gov |
| Passing score (Basic Ground Instructor (BGI)) | 70% | faa.gov |
| Passing score (Fundamentals of Instructing (FOI)) | 70% | faa.gov |
| Passing score (Instrument Ground Instructor (IGI)) | 70% | faa.gov |
| Retake policy | Failed test report + instructor endorsement for additional training | faa.gov |
| Validity | Certificate does not expire | Federal Aviation Administration (FAA), U.S. Department of Transportation; knowledge tests delivered by the FAA's Airman |
| Renewal | Recent experience within the preceding 12 calendar months | Federal Aviation Administration (FAA), U.S. Department of Transportation; knowledge tests delivered by the FAA's Airman |
| Delivery | Computer-based test from PSI, FAA's testing vendor | faa.gov |
| Eligibility | Age 18+, English proficiency, pass FOI + rating knowledge test | Federal Aviation Administration (FAA), U.S. Department of Transportation; knowledge tests delivered by the FAA's Airman |
| Eligibility (Fundamentals of Instructing (FOI)) | FOI waived for current CFI/GI holders and certified teachers (7th grade+) | Federal Aviation Administration (FAA), U.S. Department of Transportation; knowledge tests delivered by the FAA's Airman |
Facts verified Oct 21, 2026 against Federal Aviation Administration (FAA), U.S. Department of Transportation; knowledge tests delivered by the FAA's Airman. Dates that have passed are removed automatically.
The Ground Instructor Certificate is a Federal Aviation Administration (FAA) certification that allows individuals to teach aeronautical knowledge to students on the ground. Unlike a Certified Flight Instructor (CFI), CGIs do not conduct in-flight training; instead, they focus on theoretical training in classrooms or online settings. The CGI certificate has several categories, such as Basic Ground Instructor (BGI), Advanced Ground Instructor (AGI), and Instrument Ground Instructor (IGI), each tailored to different levels of instruction.
Key Points:
Many use the terms Ground Instructor License and Ground Instructor Certificate interchangeably, but the official terminology used by the FAA is "certificate." This certificate qualifies instructors to teach ground-based aviation knowledge but does not permit in-flight instruction. A CGI certificate is issued once candidates pass the required exams and meet the eligibility criteria.
Key Points:
To become a CGI (Certified Ground Instructor), individuals must meet specific requirements set by the FAA. The requirements are less stringent than those for flight instructors, as no in-flight experience is required. Here’s a quick breakdown of the main eligibility criteria:
General Requirements:
For those pursuing the Instrument Ground Instructor (IGI) certificate, additional knowledge and testing in instrument flying rules are required.
Exam Overview:
Key Points:
CGI (Certified Ground Instructor) play a vital role in the aviation industry by providing theoretical training to student pilots. They typically work at flight schools, aviation colleges, or training centers and can instruct on a range of topics, including weather patterns, aerodynamics, flight instruments, and FAA regulations. GIs may also prepare students for their pilot certification exams.
In addition to classroom instruction, many ground instructors assist in curriculum development and exam preparation, ensuring their students are well-equipped for practical training. Some may even offer online courses, adapting to the rising demand for remote learning.
Key Responsibilities:
Key Points:
Successfully preparing for the CGI (Certified Ground Instructor) exams requires a strong understanding of aviation principles and a focused study plan. Below are practical tips for aspiring CGIs:
Study Tips:
Recommended Resources:
Key Points:
The CGI (Certified Ground Instructor) certification offers an excellent path for aviation enthusiasts interested in teaching without in-flight responsibilities. Whether you choose to become a Basic, Advanced, or Instrument Ground Instructor, this role provides an opportunity to shape the next generation of pilots through foundational knowledge and comprehensive ground instruction. By meeting the FAA’s requirements and diligently preparing for the exams, aspiring CGIs can start on a fulfilling career in aviation education.
Try these questions from our free CGI - Certified Ground Instructor practice tests. The correct answer and an explanation follow each question.
How does the FAA ensure airspace safety?
Answer: C. By managing air traffic and enforcing safety rules
The FAA ensures airspace safety primarily through its Air Traffic Organization (ATO), which controls air traffic movements across the nation. Additionally, it enforces strict safety regulations and standards for aircraft, pilots, and air carriers, minimizing risks and preventing accidents to maintain a safe flying environment.
What is the standard lapse rate of temperature in the standard atmosphere?
Answer: A. 2°C per 1,000 feet
The standard lapse rate is approximately 2°C (3.5°F) per 1,000 feet of altitude increase in the troposphere.
Which factor must be calculated for fuel planning?
Answer: C. Trip and reserve fuel requirements
Fuel planning is critical for flight safety and involves calculating the fuel needed for the intended trip, plus additional reserve fuel. Regulations mandate carrying enough fuel to fly to the destination, then to an alternate airport (if required), and then for a specified reserve period to account for unforeseen delays or diversions, ensuring a safe margin.
Under 14 CFR 61.213, an Advanced Ground Instructor (AGI) is authorized to endorse applicants for which of the following knowledge tests?
Answer: B. Pilot certificates through the commercial pilot level
An AGI may endorse applicants for all knowledge tests through the commercial pilot certificate, including sport, recreational, private, and commercial.
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