United Airlines has appointed James E. Keenan as senior VP of United Services. He will be responsible for overseeing the airline’s global maintenance operation. Keenan previously worked for as senior VP of Pratt & Whitney’s Global Services Partners network.

Renier Swart has joined Ontario, Calif.-based Certified Aviation Services (CAS) as general manager for its line maintenance facility at Anchorage Intl Airport in Alaska. Swart previously worked for ATA Airlines, where we was a supervisor and project manager of outsourced maintenance for both heavy and line maintenance.

StandardAero has appointed Scott Shiells as airframe program director for the business aviation sector. An A&P technician, Shiells comes from Duncan Aviation, where he was project manager for maintenance and modification projects. In a separate move, StandardAero has named Mike R. Turner avionics sales manager supporting its teams based in Tucson, Ariz. Turner comes from Bombardier, where he was regional avionics sales manager.

AVMATS Parts Support of St. Louis, Mo. has hired Dave Holler as VP, overseeing parts sales and accessory repair and overhaul. Its sister company, Aviation Turbines Intl, has appointed Jim Higham as Midwest engine and APU sales representative.

Avidyne Corp. has hired Rob Higby as VP of sales and marketing. He comes from EqualLogic, where he ran channel sales.