Ground Instructor is a certificate issued in the United States by the Federal Aviation Administration (FAA). There are three classes of holder, licensed to provide the ground instruction element in the training of three groups:
- Basic Ground Instructor (BGI) - for a sport pilot, recreational pilot, or private pilot certificate.
- Advanced Ground Instructor (AGI) - for any certificate except the instrument rating.
- Instrument Ground Instructor (IGI) - for the addition of an instrument rating to a pilot certificate.