Aircraft Maintenance & Avionics Gallery

See Our Aircraft & Avionics Work

Take a closer look at aircraft maintenance, repair, avionics installation, and upgrade work completed by Keltic Aviation in Upland, California.


With 30 years of hands-on aviation experience, our family-operated aircraft repair and upgrade shop provides maintenance, troubleshooting, inspections, avionics service, installations, and upgrades. This gallery offers a closer look at the type of hands-on work completed at our shop.

We Do It Right. No Shortcuts.

Our Aircraft & Avionics Work

Browse photos from Keltic Aviation projects, including aircraft service, repairs, avionics work, installations, and upgrades. Our gallery gives aircraft owners an opportunity to see examples of our work and learn more about the services available from our Upland shop.

Vintage propeller aircraft parked on a tarmac under a clear blue sky
Red vintage single-engine airplane parked inside a hangar.
Red model airplane with white stripes displayed indoors in a workshop or hangar.
Small silver propeller airplane parked on a runway under a clear sky.
Helicopter in a hangar, white and blue aircraft parked indoors with tools nearby.
Cockpit view with multiple control panels, screens, switches, and gauges inside an aircraft or simulator.
Person working on a blue-and-white small airplane in a hangar, inspecting the nose and landing gear
Airplane cockpit with two yokes, colorful flight displays, and instrument panels
Black wrench icon on a white background

Aircraft Maintenance & Repair

Aircraft maintenance needs can range from ongoing service to repairs and concerns identified during an inspection. Keltic Aviation provides hands-on aircraft maintenance and aviation repair based on the needs of the aircraft.


Our gallery includes examples of aircraft service and repair work completed by our team. If your aircraft has a known maintenance need, requires further evaluation, or needs follow-up service after an inspection, learn more about our maintenance and repair capabilities.

Black microchip icon with a central square and small dots, representing a processor or computer chip

Avionics Installations & Upgrades

Keltic Aviation provides avionics installation and upgrade services involving navigation, communication, and related flight systems.


Every aircraft and avionics project can involve different equipment and installation needs. If you are considering new equipment or an upgrade to an existing avionics setup, Keltic Aviation can discuss the aircraft, current equipment, and work being considered.

More Aircraft & Avionics Services

Our capabilities extend beyond the work highlighted in this gallery. Keltic Aviation also provides Avionics Repair & Troubleshooting, Aircraft Inspections & Preventive Maintenance, and service for Navigation, Communication & Flight Systems. Explore our complete service offerings to find the right starting point for your aircraft.

Aircraft & Avionics Services in Upland, CA

Keltic Aviation serves aircraft owners from our shop at 1749 W 13th St, Hangar 9A, Upland, CA 91786.


Our shop is open Monday through Friday from 7:30 a.m. to 4:00 p.m. and closed Saturday and Sunday. Have questions about work shown in our gallery or need service for your aircraft? Contact Keltic Aviation to discuss what you need.

Have a Project for Your Aircraft?

Need aircraft maintenance, aviation repair, avionics service, an installation, or an upgrade? Put 30 years of hands-on aviation experience to work with Keltic Aviation.

We Do It Right. No Shortcuts.