Project Management: Can FAA Salvage Its IT Disaster?

The FAA's Course Correction
By David Carr and Edward Cone
Its tortuous route to modernizing air traffic control systems has cost the Federal Aviation Administration billions. Has the agency finally learned its lessons?

An interesting sidebar to this article is an analysis of costs of waterfall vs. spiral approach to development. The analysis indicates that the waterfall approach will always be overbudget and late when the user changes the requirements at the 11th hour. In the spiral approach with iterative deliveries, the user changes requirements earlier and the project comes in on time and on budget. Download the charts and graphs.