Contact

Contact Information

We are the world's largest STC holder and manufacturer of 'Upgrades' for the Beechcraft fleet of Bonanzas, Debonairs and Barons, leading the industry for more than 50 years. Contact us today and let us help you!

  • (800) 291-7616
  • info@d-shannon-aviation.com
  • Monday - Friday: 9:00am - 8:00pm CST
  • 1309 County Road 134
  • Buffalo Municipal Airport
  • Buffalo, MN, 55313

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