SA4550 Software Revisions

To download the latest software for the SA4550 please use the following form: 
Software Update Download

A1.09 - Released 7/17/2015

  • For MOD A units only (Serial numbers 10-3136 and above)

1.09 - Released 11/6/2013

  • Added support for optional ARINC 429 attitude and radar altimeter interface

1.07 - Released 3/14/2011

  • Corrects possibility of display blanking

1.06 - Released 10/31/2008

  • Corrects radar altimeter selection input pins
  • Added support for NVIS operation

1.05 - Released 7/15/2008

  • Added support King KCI 310 models

1.04 - Released 2/27/2008

  • Added support for Collins models

1.03 - Released 10/16/2007

  • Corrected the flight director out of view operation and dual-cue flight director pitch scaling for SA4550-0xx part numbers

1.02 - Released 8/30/2007

  • Corrects pin out for radar altimeter type selection
  • Maintenance page text enhancements

1.01 - Released 6/29/2007

  • Commercial release