# Part 141 assistant chief instructor — instrument rating courses — FAA flight training hour minimums: Part 61 vs Part 141, by certificate and rating For Part 141 assistant chief instructor, certificate or rating is Part 141 assistant chief instructor — instrument rating courses; part 141 minimum is At least 50 hours of flight time under actual or simulated instrument conditions; ( 2 ) At least 500 hours as pilot in command; part 141 appendix is 14 CFR 141.36(c); key sub-requirements is consisting of at least— ( i ) 1 year and a total of 125 flight hours; or ( ii ) 200 flight hours, recorded from its source on 2026-08-18. - **Certificate or rating:** Part 141 assistant chief instructor — instrument rating courses _(our reading, not quoted from the source)_ - **Part 141 minimum:** At least 50 hours of flight time under actual or simulated instrument conditions; ( 2 ) At least 500 hours as pilot in command _(verified: appears in the quote below)_ - **Part 141 appendix:** 14 CFR 141.36(c) _(our reading, not quoted from the source)_ - **Key sub-requirements:** consisting of at least— ( i ) 1 year and a total of 125 flight hours; or ( ii ) 200 flight hours. _(verified: appears in the quote below)_ ## What the source says > ( c ) For a course of training leading to the issuance of an instrument rating or a rating with instrument privileges, an assistant chief flight instructor must have: ( 1 ) At least 50 hours of flight time under actual or simulated instrument conditions; ( 2 ) At least 500 hours as pilot in command; and ( 3 ) Instrument flight instructor experience, acquired as either a certificated flight instructor-instrument or an instructor in a military pilot flight training program, or a combination thereof, consisting of at least— ( i ) 1 year and a total of 125 flight hours; or ( ii ) 200 flight hours. ## 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/).