KFS-578A - As Removed Condition  changed out due to ADS-B upgrade.


  • Digital control for use with MST-67A / TDR 94D Mode S Transponders
  • Contains all controls required for transponder operation including TEST, STANDBY, ON (transponder), ALTITUDE, VFR, and IDENT
  • Supplies ARINC 429 data to all versions of MST-67A
  • Can also serve as aircraft's TCAS controller for TCAS equipped aircraft
  • Microprocessor based
  • Versions available that are compatible with Collins TDR-94D Mode S Transponder
  • Black or gray faceplate available
  • Versions available with ON/OFF switch to turn control unit ON or OFF
  • Versions available that provide control of two, individually selected transponders
  • Versions available with various scales of TCAS mile ranges for traffic display
  • Non TCAS versions and TCAS I or II compatible versions available
  • Versions available with 5 or 28 VDC lamp voltage
  • TCAS Range Control Switch Configurations:

KFS 578A TCAS/Mode S Transponder Control

SKU: 071-01507-4404
  • TSO - DO-178A SW Level 2, MOD 2

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