# Airplane additional multiengine class rating course — commercial pilot certificate — FAA flight training hour minimums: Part 61 vs Part 141, by certificate and rating

For Airplane additional multiengine class rating course, certificate or rating is Airplane additional multiengine class rating course — commercial pilot certificate; part 141 minimum is 10 hours of training; part 141 appendix is Part 141 Appendix I, para. 4(k)(2), recorded from its source on 2026-08-18.

- **Certificate or rating:** Airplane additional multiengine class rating course — commercial pilot certificate _(our reading, not quoted from the source)_
- **Part 141 minimum:** 10 hours of training _(verified: appears in the quote below)_
- **Part 141 appendix:** Part 141 Appendix I, para. 4(k)(2) _(our reading, not quoted from the source)_

## What the source says

> ( 2 ) For the commercial pilot certificate, the course requires 10 hours of training on the areas of operations under appendix D of part 141, paragraph 4(d)(2).

## 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/).