Maintenance and avionics under one roof.
Qmulus Aviation is a full-service maintenance and avionics shop for piston, turboprop and jet aircraft at Caldwell Executive Airport (KEUL).

Avionics
Sales, installation and support for panel-mounted avionics, autopilots, flight instruments, engine monitors and navigation systems.
Avionics services →

Maintenance
Scheduled inspections, non-routine repairs, line service and maintenance management as an FAA Part 145 repair station.
Maintenance services →

Custom panel fabrication
Panels designed and cut in house, finished with a powder coat in the colour and layout you choose.
Panel fabrication →

Mobile service
Line service at your airport through our partnership with MRO Insider, covering Idaho, Washington, Oregon, Montana and beyond.
Mobile service →
Leading avionics manufacturers






Tell us about your aircraft.
Send us the tail number and the work you have in mind. For avionics work, include photos of the current panel. We will come back with a quote.