John Charles Angermayer is an experienced Lead Multi-Disciplinary Systems Development and Software Engineer with 37 years of experience in software development and project management; he has worked at MITRE CAASD since 1998. John was one of the co-authors of DO-178C and was an active member of RTCA SC-205.

He has supported Data Link, Capstone, GPS III, and Military Avionics and Data Base Approvals for CNSATM (GATM). His work includes software approvals for the first commercially available TCAS II system, a Predictive Windshear system, a series of communication radios and Mode S transponders. He was an active member of RTCA SC-167 as co-chair of Working Group 4, RTCA SC-190 in the CNS/ATM (ground) sub-group, and RTCA SC-201. He is currently an active member of RTCA SC-216.

He holds a Bachelor's degree in Physics from North Carolina State University, and has completed Post Graduate Studies from the University of Miami.


Mr. Kent Hollinger is a Principal Engineer at MITRE/CAASD. In this capacity, he is involved in Certification activities and in developing and implementing Safety Management Systems (SMS) and Quality Assurance (QA) programs for worldwide aviation service providers, manufacturers and governments. He also was heavily involved in the FAA's decision to analyze and fund the Automatic Dependent Surveillance - Broadcast mode (ADS-B) program.

In addition to these job assignments, Mr. Hollinger has been active in several industry-wide efforts. He was a Working Group Co-Chair of the RTCA SC-200/ EUROCAE WG60 that produced the document DO-297/ED-124 Integrated Modular Avionics (IMA) Development Guidance and Certification Considerations, the chair of the recently completed FAA Aging Transport Systems Rulemaking Advisory Committee (ATSRAC), the chair of the Air Transport Association (ATA) Powerplant Subcommittee, and a Working Group chair on the ATA Fuel Systems Safety Leadership Team. He has also served on the ATA Engineering, Maintenance and Materiel Council, the Transportation Research Board's
(TRB) Airport Cooperative Research Program and is a licensed Professional Engineer (P.E.) in the State of Ohio.

Mr. Hollinger has a very broad and diverse background in aviation maintenance. His Original Equipment Manufacturer (OEM) experience includes General Electric (GE) Aircraft Engines where he led repair development on commercial engines, and Fairchild Dornier as Vice President of Technical Support. His knowledge of third-party repair stations came as a Business Unit General Manager at The NORDAM Group and as Director of Engineering at Chromalloy Compressor Technologies. As Chief Engineer of Northwest Airlines and Vice President of Quality Assurance and Engineering at America West Airlines, Kent gained significant experience in airline maintenance operations.