Differences Between FAA Part 91, 121, and 135 in Aviation
Pilot Institute
FEBRUARY 26, 2025
One of the most notable distinctions between parts 121 and 135 is the requirement for two pilots on a part 121 operation vs. the allowance for one pilot on a part 135 operation. The Pilot in Command (PIC) on a part 121 operation also shares operational control with a flight dispatcher.
Let's personalize your content