For 1 by 1 replacement of HoneywellSagem ADLMDDU Same form factor as ADLMDDU ARINC 615-A compatible No changes to aircraft wiring necessary ADL replacement can be performed instantly, within minutes Standard ARINC 615-3 connectors Compatible with any Portable Data Loader (PDL) Shielded data bus wiring Solid but lightweight metal housing High-impact, rugged front cover plate Available in different color schemes