SN4500 Software History

Please use the following form to download the latest software version for the SN4500:
SN4500 Software Download Form

2.01 3/25/2010
2.00 3/19/2009
  • Added optional Reversionary Attitude feature
1.05 11/20/2008
    SIL4500-07-A.pdf Service Information Letter
  • Added annunciators for GPS selected approach type
  • Moved position of GPS "INTEG" annunciator
  • Increased NAV database memory size to support larger number of airports in worldwide database
  • Changed operation when installed as Heading Repeater
  • Added digital display for brightness level
  • Added option for TACAN NAV receiver selection
  • Added support for NVIS operation
  • Update WSI Satellite Weather Interface
  • Corrected possible resetting of unit
1.04 4/18/2008
1.03 12/21/2007
  • Added an annunciator for GPS Integrity (ARINC Label 261 only)
  • Associated the ILS Engergize output with active GPS approach
  • Added extended resolution for lateral guidance (ARINC Labels 116 and 326 only)
  • Added support for AV300/350 WSI Sirius Satellite weather receiver
  • Supports connecting USB cable while SN4500 is powered
1.02 3/27/2007
  • SB 4500-03: Corrected improper back course operation
1.01 11/7/2006
  • Commerical release.
1.00 2/9/2006
  • Initial release



Sandel Avionics, Inc., 2401 Dogwood Way, Vista, CA 92081
Telephone: 760-727-4900 Fax: 760-727-4899 ©2008


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