This office is responsible for providing Flight Standards District Offices (FSDO) and certificate holding district offices (CHDO) with staff support, expert technical guidance, and training in the certification process using the Certification Process Document (CPD) for part 121 air carrier applicants, and major changes to an existing certificate holders' Operations Specifications using the Major Change Process Document (MCPD). The office develops and provides input to air carrier inspector handbooks and serves as the focal point for application of agency guidance regarding certification, certificate management, and surveillance for air carriers.

The office is responsible for managing the National Air Carrier Evaluation Program (National ACEP) and the National Certificate Holder Evaluation Program (CHEP). Each program evaluates part 121 air carriers for regulatory compliance on a five-year schedule. The Office also provides Post-Accident Assistance Teams to CHDOs.

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Mark Mazor, Manager
Federal Aviation Administration
45005 Aviation Drive, Suite 131
Dulles, VA 20166

Phone:  (703) 509-7146