Part 121, Part 135 (FAR Regulations)

Part 121 and Part 135 of the Federal Aviation Regulations (FAR) govern different types of commercial air operations in the United States. Part 121 applies to large airlines operating scheduled passenger and cargo services, enforcing strict safety and maintenance standards. Part 135 covers smaller operators, including regional airlines and charter services, with different rules tailored for less complex operations. Both parts ensure safety, reliability, and accountability in air travel, outlining pilot qualifications, aircraft requirements, and more, ultimately protecting passengers and promoting public confidence in aviation.