United Technical Operations

United Technical Operations is the maintenance, repair and overhaul division of United Airlines. We bring over 85 years of MRO experience, employee talent and operational integrity to our customers. As a full-service global MRO provider, our specialized areas include engines, line maintenance, Global Emergency Maintenance (GEM), landing gear, parts loans, component maintenance and engineering services. United is also proud to support several government programs that encompass a variety of services from our product portfolio.

The United Technical Operations MRO Center, located in San Francisco, is a 2.9 million-square-foot facility that is home to more than 3,500 technicians, management, and support personnel. Our facility includes an engine overhaul shop, narrowbody and widebody airframe docks, component shops and more.

Our Line Maintenance division has over 30 locations throughout the world with major hubs in Chicago, Denver, Guam, Houston, Los Angeles, Newark-New York, San Francisco, Tokyo, and Washington, D.C., with other major maintenance locations in Cleveland and Orlando.

By leveraging United’s many years of experience and leadership in safety, logistics, and operational excellence, United Technical Operations continues to deliver innovative and cost-efficient solutions to more than 40 customers worldwide. Additional airline contract business includes aircraft sales, engine and APU sales and leases as well as ground handling and flight training.

  • Charles M. Duncan
    Senior Vice President, Technical Operations

    Charles Duncan is senior vice president of Technical Operations for United Airlines. In this role, Charles oversees all of United’s global technical operations functions, including line and base maintenance functions; aircraft reliability and regulatory compliance; administrative, engineering, planning and production support of airframes, engines and components; as well as continuous improvement programs and third-party sales.

    Charles previously served as United’s vice president ORD Hub. Before that, he was United’s vice president-Europe, Middle East, Africa, and India with responsibility for integrating the commercial activities of Continental and United in 37 online cities.

    Prior to the merger of United and Continental, Charles was based in Guam and served concurrently as Continental Micronesia’s president and chief operating officer, as well as the Asia-Pacific staff vice president for Continental Airlines. He served in several positions of increasing responsibility in Asia, including ten years in Tokyo, Japan. Charles joined Continental Airlines in 1996 as a revenue management analyst in Houston.

    Charles previously served on the boards of Continental Micronesia and the American Chamber of Commerce in Japan (ACCJ). In 2008, he served as Chairman of the Board of Airline Representatives (BOAR) in Japan

    Charles received a bachelor’s degree in economics and international studies from the University of North Carolina at Chapel Hill and a master’s in business administration from the Harvard Business School. He currently resides in Chicago and is married with two sons.

  • Don Wright
    Vice President, Maintenance

    Don Wright is vice president of maintenance operations for United. In this role, he is responsible for 8,000 employees, 64 manned maintenance stations and oversees third party maintenance.

    Prior to this position, Don served as vice president of United's Newark hub, where he oversaw the entire operation for Newark, JFK and LaGuardia. Previously, Don was the managing director of technical operations, responsible for aircraft line maintenance operations at our LAX hub and throughout the Asia/Pacific region.

    Don joined the company in 1988 as an international maintenance representative in Sydney, Australia, and has held several positions of increasing scope and responsibility including positions based in the Pacific, Europe and Latin America.

    Previously, Don worked for Qantas Airways in various roles as an aircraft maintenance engineer. Don holds an FAA airframe and powerplant certificate and is a licensed aircraft maintenance engineer.

    Don previously served on the board of directors of the Continental Federal Credit Union for 12 years, serving as chairman from 2007 - 2010. He is married and has two children.

  • Mark Eldred
    Managing Director, SFO Base Maintenance and MRO Services

    Mark Eldred is the Managing Director of the San Francisco Maintenance Base in United’s Technical Operations department. In this role, he is responsible for Components, Engines, Airframe and Base MRO (Maintenance, Repair and Overhaul) for the company. Additionally, Mark is responsible for the strategic business development and tactical execution of United's GEM (Global Emergency Maintenance), Component, Airframe and Engine MRO businesses, overseeing the sales, production and support teams in San Francisco, CA and Charleston, SC.

    Previously, Mark was the Managing Director of Service Engineering at United. In this role he managed the 24/7 operational and liaison service engineering group, covering the repair design and substantiation for complex maintenance operations beyond the scope of published manuals, including administration of the MRA ODA (Major Repair, Alteration and Airworthiness). His teams were also responsible for monitoring and supporting the day-to-day performance of aircraft to identify, investigate and resolve operational problems. Mark joined United in 1994 as a line engineer.

    Mark began his career in 1987 as an AutoCAD consultant. In 1989, he embarked on his aviation career at Southern Air Transport in Miami, Florida. In 1991, Mark joined Hawaiian Airlines as a project engineer before moving to USAir in 1993 and serving as an airframe engineer.

    Mark received his Bachelor of Science degree in Mechanical Engineering from Florida International University in 1990 and currently resides in San Francisco, CA.

Customers with a GEM can view the current status of their aircraft.

Please ask your United Technical Operations Representative to provide you with a GEM ID and password.