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Roger Wilco Aviation Services
FAA CERT. REPAIR STATION · AVIONICS · AIRFRAME & POWERPLANT · NDT · FABRICATION
Cert. No. RWSR491E
RWAS Avionics Desk · KYKN · Yankton, SD
FAA Part 145 Repair Station · Cert. RWSR491EAuthorizedGarminDealerAEA MemberNBAA Member
FAA Part 145 Repair Station #RWSR491E— the KYKN aircraft services desk in Yankton —

Aircraft services for owners who need
the whole job handled.

Garmin avionics · aircraft maintenance · NDT inspection · fabrication · Rotax support · pre-buy inspections

New shop capabilityThe fiber laser has landed: cutting, welding, marking, and fabrication support now visible from the service desk.
Service Directory

One accountable shop for avionics, airworthiness, inspection, and fabrication.


Roger Wilco Aviation Services is a working FAA Part 145 repair station at KYKN in Yankton, serving aircraft owners across the Northern Plains. This page is the front desk for the shop's crawlable service pages: Garmin installation, aircraft maintenance, NDT, fabrication, Rotax support, pre-buy inspections, and RWAS-built Papa-Alpha tools.

If you already know the system or service you need, choose the matching page below. If you are still deciding, send the aircraft, mission, location, photos, and logbook context through the contact form and the shop can route the request.

Avionics installation

Avionics installation


  • Garmin avionics installation

    Yankton Garmin dealer support for G3X Touch, GTN Xi, GFC 500, ADS-B, GI 275, G5, panel fabrication, and quote planning.

  • G3X Touch installation

    Glass-panel planning, EIS, ADAHRS, Connext workflow, fabrication, configuration, and documentation support.

  • GTN Xi navigator installation

    GTN 650Xi and GTN 750Xi WAAS navigator installs, antenna planning, panel integration, testing, and logbook documentation.

  • GFC 500 autopilot installation

    Eligibility review, quote planning, servo and control placement, integration review, installation, and return-to-service documentation.

  • ADS-B installation

    ADS-B Out compliance planning, Garmin transponder upgrades, GPS source review, antenna planning, configuration, and documentation.

Maintenance, inspection, and buyer support

Maintenance, inspection, and buyer support


  • Aircraft maintenance in Yankton

    Annual inspections, 100-hour inspections, AOG coordination, prop balancing, aircraft weighing, and repair-station paperwork.

  • Pre-buy inspection

    Logbook review, physical condition checks, avionics review, NDT coordination, and practical buyer decision support.

  • Aircraft NDT inspection

    Eddy current, dye penetrant, magnetic particle, ultrasound, visual, and Rockwell hardness testing with FAA documentation support.

  • Rotax repair support

    Rotax aircraft engine maintenance support, inspection planning, troubleshooting, and documentation review.

Fabrication and RWAS-built products

Fabrication and RWAS-built products


  • Fiber laser fabrication

    Aircraft panel cutting, laser welding, powder coating, UV printing, bracket work, and precision shop fabrication.

  • Papa-Alpha Piper rigging tools

    RWAS-designed Piper rigging reference tools for PA-series aircraft, built for practical flight-control setup work.

Garmin avionics panel work supported by Roger Wilco Aviation Services
FIG. 01

Service work at RWAS often blends avionics, fabrication, maintenance review, and documentation into one coordinated project.

Start Here

Give the shop enough context to route the request correctly.


Useful first contact details include aircraft make and model, N-number, current airport, desired work, known squawks, panel or damage photos, logbook notes, preferred schedule, and whether the aircraft can fly to the RWAS shop.

Contact the service deskRead shop capabilities

Frequently asked questions

What does Roger Wilco Aviation Services do?

RWAS is an FAA-certificated repair station specializing in Garmin avionics installation, airframe and powerplant maintenance, non-destructive testing, and sheet metal fabrication. We also manufacture Papa-Alpha rigging reference tools for Piper aircraft.

Where is Roger Wilco Aviation Services located?

RWAS Repair Station Headquarters is at 3309 Douglas Avenue Unit #3, Yankton, SD 57078. The shop serves aircraft owners across the Northern Plains.

What are your business hours?

Monday through Friday, 7:00 AM to 5:00 PM Central Time.

What Garmin systems do you install?

We specialize in Garmin systems including the G3X Touch suite, G500/G600 TXi, GTN Xi navigators, GFC 500 autopilots, GI 275 displays, transponders, audio panels, ADS-B solutions, and full integrated panel installations.

Can you work on my aircraft if I am not local?

Yes. Many customers fly their aircraft in for avionics installation and maintenance. We can coordinate logistics with you, your mechanic, or a ferry pilot, and we ship Papa-Alpha tools nationwide and internationally.

Do you offer financing for avionics or maintenance work?

Yes. RWAS offers financing options for avionics installations and maintenance projects including panel upgrades, autopilot installs, ADS-B upgrades, and major maintenance.

Are you an FAA repair station?

Yes. RWAS is an FAA-certificated repair station, Certificate No. RWSR491E, and a certified Garmin dealer.