What is the difference between Part 91 and 121 and 135?


What is the difference between Part 91 and 121 and 135? What is the primary distinction between these different parts of the regulations? Part 91 applies to general aviation and non-commercial operations(civil aircraft). Part 135 applies to commercial on-demand operations(such as private jets). Part 121 applies to large-scale scheduled commercial air carriers.


Can Part 121 fly VFR?

14 CFR Part 121 permits landing or takeoff by domestic scheduled air carriers where a local surface restriction to visibility is not less than 1/2 statute mile, provided all turns after takeoff or before landing and all flights beyond 1 statute mile from the airport boundary can be accomplished above or outside the ...


What are the takeoff minimums for Part 121 and 135?

Part 121, Part 125, Part 129, and Part 135 Minimums One or two engines: one statute mile of visibility; no ceiling minimum. Three or more engines: one-half statute mile of visibility; no ceiling minimum. Helicopters: one-half statute mile of visibility; no ceiling minimum.


What is the difference between Part 91 and Part 135 operations?

In Part 91 operations, a pilot can fly an aircraft for days without breaks. In Part 135 operations, pilots follow strict rest requirements between flight sessions as an added safety measure. Pilot qualifications: Part 135 operations regulations impose higher standards for pilot qualifications than Part 91 operations.


How many hours can a Part 135 pilot fly?

§ 135.265 Flight time limitations and rest requirements: Scheduled operations. (1) 1,200 hours in any calendar year. (2) 120 hours in any calendar month. (3) 34 hours in any 7 consecutive days.


What does FAA Part 91 mean?

Part 91 is the section of the Federal Aviation Regulations that provides general operating and flight rules for civil aircraft. Whether you're flying a Cessna 182 or a Boeing 777, you have to comply with these rules.


Are airlines part 121 or 135?

Part 121 is scheduled air carrier (airliners). Part 133 is external load (helicopter) operations. Part 135 is a set of rules with more stringent standards for commuter and on-demand operations.


Does a Part 135 require dispatcher?

In the United States, Commercial Airlines (Part 121 or some Part 135) are required to use an FAA aircraft dispatcher. There is required special training to receive this FAA aircraft dispatcher license.


Does Part 121 require 2 pilots?

§ 121.481 Flight time limitations: One or two pilot crews. (a) A certificate holder conducting flag operations may schedule a pilot to fly in an airplane that has a crew of one or two pilots for eight hours or less during any 24 consecutive hours without a rest period during these eight hours.