Maintenance Specials



We have several upgrade options for your aircraft!

You can now upgrade to dual Avidyne IFD440 GPS/NAV/COMs, which are direct replacements for your old GNS 430's that add great new features like Airway Flight planning, Touch Screen plus knobs/buttons, built in bluetooth and WIFI.
Don't forget to check out the BIG Screen IFD 540 option. The IFD 540 is easier to see and use with it's larger screen. It's worth the extra money! We also offer ADS-B In and Out options! Twin Cities Aviation will take an extra 25% off of your next annual if you complete your Suite installation with the annual. 

(25% is for labor only and does not include parts.)


The Affordable, All-In-One ADS-B Out Transponder

Stratus ESG was designed with non-glass panel aircraft in mind. Our simplified solution includes a 1090 ES transponder and certified WAAS GPS in the same box. It’s truly an “all-in-one box” solution for 2020 compliance.*

Stratus ESG Transponder.jpg


  • 1090 ES
  • Built-in WAAS GPS
  • WAAS GPS antenna included
  • $2,995 (does not include installation)


*The FAA mandate requires all aircraft flying in current Mode-C airspace be equipped with ADS-B Out before 2020.


Connect your Stratus receiver to Stratus ESG and you’ll get the ultimate ADS-B In experience on your iPad. When connected, the portable Stratus receives not only auxiliary power, but also its ADS-B and GPS signal from the transponder’s externally-mounted antennas for maximum reception. This combination provides simplicity, compliance, and a no-compromise ADS-B In experience on ForeFlight Mobile.


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