What is the difference between Part 135 vs Part 91?

Career: Part 135

AspectPart 135Part 91
Certifications & RequirementsRequires specific FAA certification, pilot qualifications, and operational approvalNo specific FAA certification; general operating rules apply
Work EnvironmentOn-demand charter flights, air taxi servicesPrivate, recreational, or business flights without commercial operation constraints
Usage & IndustryCommercial air transportation, charter servicesPrivate flying, personal use, non-commercial activities

Part 135 involves commercial air transportation with strict FAA regulations, requiring specific certifications and operational standards. In contrast, Part 91 covers private and recreational flying with fewer regulatory requirements. The key difference lies in the commercial intent and regulatory oversight, making Part 135 suitable for charter operators and Part 91 for private pilots.