It is unclear exactly how Alaska's 1,400 pilots will use the devices, and whether they will be permitted in the cockpit. A source close to the project indicated that initially, it will be for the purposes of replacing company manuals and will save the company millions in printing costs involved for the numerous pubs that the pilots are required to carry in their chart cases. http://www.techflash.com/seattle/2010/11/alaska-airlines-planning-to-outfit.html