# Flight instructor refresher course (special preparation) — FAA flight training hour minimums: Part 61 vs Part 141, by certificate and rating For Flight instructor refresher course (special preparation), part 141 minimum is a combined total of 16 hours of aeronautical knowledge training, flight training, or any combination of ground and flight training; part 141 appendix is Part 141 Appendix K, para. 11, recorded from its source on 2026-08-18. - **Certificate or rating:** Flight instructor refresher course (special preparation) _(our reading, not quoted from the source)_ - **Part 141 minimum:** a combined total of 16 hours of aeronautical knowledge training, flight training, or any combination of ground and flight training _(verified: appears in the quote below)_ - **Part 141 appendix:** Part 141 Appendix K, para. 11 _(our reading, not quoted from the source)_ ## What the source says > An approved special preparation flight instructor refresher course must include at least a combined total of 16 hours of aeronautical knowledge training, flight training, or any combination of ground and flight training on the following ## Source - https://www.ecfr.gov/current/title-14/chapter-I/subchapter-D/part-141 Last verified: 2026-08-18. Review by: 2027-08-18. Part of [FAA flight training hour minimums: Part 61 vs Part 141, by certificate and rating](https://referencesource.org/flight-training-hour-minimums-61-vs-141/).