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Aviation Alerts and Advisories

G1000 NXi STC Software Update for 200/300 Series Aircraft


All Textron Aviation Inc. (Beechcraft) King Air 200 and 300 series aircraft equipped with G1000 Integrated Flight Deck per STC SA01535WI-D with system software versions 2286.06 through 2286.13 and equipped with all of the following LRUs:

  • GIA 64E
  • GMA 1360D
  • GEA 71B
  • GRS 7800/GDC 7400 or GSU 75B




Optional: This STC Service Bulletin may be incorporated at the owner’s discretion.


This service bulletin provides notification of an available update to System Software Version 2286.14 and includes the following changes:

  • Support for -05 GEA™ 71B LRU (allows removal of existing Meggitt Signal Conditioners)
  • Support for -01 GTX™ 345R LRU (end-of-life planning only, no functional change)
  • Improvements to EIS transient indications for Prop RPM, Torque, and ITT
  • Addition of new features:
    • Standby Flight Plans
    • (Advisory) VNAV Guidance for Non-Precision Approaches
    • Fast Find
  • Support for direct (analog) interface to Collins ALT-50A or ALT-55B Radio Altimeter
  • GSU 75 software update to address susceptibility to reset in certain ground circumstances when operating without GPS aiding
  • GSA 9XXX software and Rudder Boost performance updates (300/B300 only)
  • Gain file updates for VNAV acknowledgment timeout and transition to approach force capture threshold improvements

ASDN Service Bulletin 21116 Rev A