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Roger Wilco Aviation Services
FAA CERT. REPAIR STATION · AVIONICS · AIRFRAME & POWERPLANT · NDT · FABRICATION
Cert. No. RWSR491E
KYKN · Yankton, SD
FAA Part 145 Repair Station · Cert. RWSR491EAuthorizedGarminDealerAEA MemberNBAA Member
FAA Part 145 Repair Station · Certificate #RWSR491E— Northern Plains shop floor —

Full-spectrum aircraft maintenance,
avionics & fabrication.

Limited Airframe · Limited Instrument · Limited Radio · NDT Inspection & Testing

Garmin Avionics Installations

Certified Garmin Dealer


Certified Garmin dealer and installation center. Full glass cockpit upgrades including the G3X Touch suite with ADAHRS, EIS, and synthetic vision — plus navigator, autopilot, and ADS-B retrofits across the piston, turboprop, and experimental fleet.

Airframe & Powerplant

A&P Maintenance


Comprehensive airframe and powerplant services for GA, corporate, and commercial operators. All work performed by certificated mechanics with full logbook documentation and FAA Form 8130-3 return to service when applicable.

  • Annual Inspections

    Per FAR 43 with discrepancy reports

  • Condition & Pre-Buy Inspections

  • 100-Hour Inspections

    Part 91 and Part 135

  • AOG “Go-Van” Service

  • Propeller Balancing

  • Aircraft Weight Certification

    Up to 30,000 lbs

Non-Destructive Testing

NDT Inspection & Testing


Level 3 NDT services with FAA Form 8130-3 return to service and Airworthiness Directive compliance. Full range of inspection methods for structural integrity verification across metallic airframe, engine, and propeller components.

  • Eddy Current Testing

    Subsurface crack and corrosion detection

  • Dye Penetrant Testing

    Surface crack detection per ASTM E1417

  • Magnetic Particle Inspection

  • Ultrasound Testing

  • Visual Testing

  • Rockwell Hardness Testing

Fabrication & Manufacturing

In-House Precision


In-house CNC machining, laser cutting, and fabrication capabilities for aircraft panels, structural components, and precision tooling. Home of Papa-Alpha rigging reference tools for the Piper fleet.

  • CNC Router Fabrication

  • Fiber Laser Cutting & Welding

  • Aircraft Panel Fabrication

  • Sheet Metal Repair & Replacement

  • Multi-Color Powder Coating

  • UV Printing

  • CO2 Laser Engraving

  • Computer Aided Design (CAD)

  • Papa-Alpha Reference Tools

    Precision Piper rigging tools — designed and manufactured in-house

Fiber laser cutting in the RWAS shop
FIG. 01

Fiber laser — precision cutting & welding, in-house at RWAS.