In December 2005, the Boeing Commercial Aviation Services organization opened the Boeing Commercial Airplanes Operations Center in Seattle, Washington, to provide around-the-clock support to airline customers with technical issues requiring resolution within 24 hours. The operations center assists airline customers with urgent technical problems, engineering issues and maintenance requirements 24 hours a day, seven days a week, 365 days a year. It is dedicated to around-the-clock customer support of the current fleet of some 12,000 Boeing and Douglas airplanes.