Executives of DY 4 Systems Inc. of Kanata, Ontario, and Virtual Prototypes Inc. in Montreal are joining in an effort to develop and market aircraft cockpit displays from design through production. DY 4 specializes in ruggedized VME computers, while Virtual Prototypes supplies human-machine interface development and deployment tools. Virtual Prototypes engineers already use the DY 4 SVME/DMV-783 multimedia graphics controller boards in their demonstration units, while DY 4 officials use Virtual Prototypes simulated displays to show customers the 783`s functionality. For more information, contact DY 4`s Duncan Young by phone at 613-599-9199, ext. 298, by fax at 613-599-7777, or on the World Wide Web at http://www.dy4.com. - J.K.