Aircraft services for owners who need
the whole job handled.
Garmin avionics · aircraft maintenance · NDT inspection · fabrication · Rotax support · pre-buy inspections
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
Yankton Garmin dealer support for G3X Touch, GTN Xi, GFC 500, ADS-B, GI 275, G5, panel fabrication, and quote planning.
Glass-panel planning, EIS, ADAHRS, Connext workflow, fabrication, configuration, and documentation support.
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 Out compliance planning, Garmin transponder upgrades, GPS source review, antenna planning, configuration, and documentation.
Maintenance, inspection, and buyer support
Aircraft maintenance in Yankton
Annual inspections, 100-hour inspections, AOG coordination, prop balancing, aircraft weighing, and repair-station paperwork.
Logbook review, physical condition checks, avionics review, NDT coordination, and practical buyer decision support.
Eddy current, dye penetrant, magnetic particle, ultrasound, visual, and Rockwell hardness testing with FAA documentation support.
Rotax aircraft engine maintenance support, inspection planning, troubleshooting, and documentation review.
Fabrication and RWAS-built products
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.

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