ST3400H Software History

Note: Software versions denoted with 'A' are applicable only to Mod A hardware (serial numbers 46-2200 and higher).

To download the latest software for the ST3400H please use the following form: 
Software Update Download

A1.07 - Released 10/13/2016

  • Accommodates non-standard GPS ground track format from Garmin non-WAAS GPS receivers

1.06 - Released 10/13/2016

  • Accommodates non-standard GPS ground track format from Garmin non-WAAS GPS receivers

A1.06 - Released 8/21/2015

  • Added support for analog interface with APN-209 radar altimeter

A1.05 - Released 10/2/2014

  • Same features as 1.05 below

1.05 - Released 9/5/2014

  • New HIGH SENS mode which provides a larger area of alert protection and is intended for IFR operations
  • Ability to selectively enable/disable all sensitivity modes (other than NORMAL) during installation configuration
  • Alternate Mode-1 curve for customers requiring compliance with Russian certification requirements (requires purchase of key code)
  • 400 foot callout - used in HIGH SENS mode only
  • Added interface capability with Sandia SAC 7-35 ADC
  • Garmin GTN 6XX/7XX added to selection menu
  • Improved database update transfer speed

A1.04 - Released 1/15/2014

  • Support for Mod A hardware 

1.03 - Released 10/4/2011

  • Wire (Power Transmission Line) alerting in regions with available data. 
  • Change to TAWS Inhibit mode. The display will no longer be grayed out after pressing TAWS Inhibit. TOPO and REL displays will continue to present terrain and obstacle data. Audio and visual TAWS alerts will be suppressed. 
  • Activation of TAWS Inhibit changed to press and hold of the MUTE button.
  • Fixes a problem with terrain data sometimes appearing gray as if outside the coverage area. 
  • Two new sensitivity modes have been added: 'Tactical' and 'Obstacle Only' allowing for operations lower and closer to terrain without nuisance alerting. 
  • Field offload of recorded data for maintenance support. 
  • MINS annunciation and discrete outputs assert when pressing Radalt Test.
  • Water bodies (lakes and rivers) added.
  • OVLY button has been activated, allowing depiction of major highways. 
  • Altitude callouts will be independent of landing gear configuration. 

1.01 - Released 9/10/2010

  • Commercial release...