Dash 8 Retrofit Program - Reduce Your Costs of Ownership

To view the ACSS White Paper, click here

To view the ACSS Website, click here

To view the Technical Newsletter for 4066010-9XX, click here

To view the Technical Newsletter for 4061400-9XX, click here


Your Legacy TCAS II and Mode S Transponder equipment is entering a limited service/obsolete category and will eventually no longer be supported by the OEM. Worthington Aviation and ACSS are bringing you a package solution with factory overhauled TCAS 2000 upgrades.

Smart owners and operators know that downtime, frequent repairs, extra spares (and excess weight) can be expensive.* Both the 4066010-9XX, TCAS and 4061400-9XX Transponders are reaching an obsolete status due to extremely limited availability of certain parts required to maintain these units in repairable condition. If you have first generation equipment that is soon to be out of support and contributing to rising fuel and maintenance costs, why wait until it’s too late?


Latest News

  • Worthington Aviation Astra Interior Parts for Sale. For more details and images, please click here
  • Worthington Aviation has now launched our new Dash 8 Retrofit Program. For more details, please click here
  • Worthington Aviation Terms and End-Use are now available for viewing. For more information, click here.

  • For Parts Orders Call Us At 651-994-1600

    For Westind Technical Support send an email to
    westwind@worthingtonav.com or call our Tech Support Hotline at 651-393-3300

  • ** NOW AVAILABLE **
    TFE731-3 Engine for exchange or outright sale. Contact Eric Rohrbough. For engine specifications

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Worthington Aviation Corporate Office: 2995 Lone Oak Circle - Suite 10 - Eagan, MN USA 55121    Main Phone: 651-994-1600

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