Meet Our NAFI Master Instructors

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 Most recent MCFI's featured here, for comprehensive list, see alphabetical links below sorted by Last Name:





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John BoosJohn Boos, 3xMCFI/1xMGI 9/2019-3/2026:

Boos has earned accreditation as both a NAFI Master Flight Instructor and NAFI Master Ground Instructor. This is Boos’ third NAFI Master accreditation, and his first NAFI Master Ground accreditation. 

Boos is a DPE, Gold Seal flight instructor, CFII, MEI, and former chief instructor at a Part 61 flight school at KUGN in Waukegan, Illinois. He is an FAA Safety Team representative, AGI, and IGI. Boos started flying in 2013 and said he was hooked on aviation from the first lesson. In 2016, he transitioned into full-time flight instruction from a career in electronic engineering. 

Boos enjoys giving FAA practical tests as a DPE. He promotes safety through recurrent training by providing training towards WINGS credit to local pilots. He has written articles for NAFI’s Mentor magazine and presented a session at the inaugural NAFI Summit to help CFIs develop and use scenarios. He is active with Lifeline Pilots and helps patients minimize travel expenses and time by providing charity flights to and from needed medical care.

In his spare time, he and his wife enjoy traveling in their Piper Turbo Arrow. He is an active amateur radio operator and enjoys Morse code, which is handy to identify VORs and localizers. Boos holds a Bachelor of Science degree in electrical engineering from the University of Wisconsin, Madison, an MBA from the University of Chicago, and eight U.S. patents. He volunteers with the local Boy Scouts organization as an aviation merit badge counselor.

Click to Download John's Press Release!