General Aviation Maintenance

Your Aircraft Deserves a Maintenance Partner You Can Trust

Your Aircraft Deserves a Maintenance Partner You Can Trust

Maintenance Expertise You Can Depend On

Neptune Aviation provides maintenance and repair services for individual aircraft owners, business operators, charter organizations, and government fleets. Our FAA-certified, factory-trained technicians bring practical experience to routine inspections, troubleshooting, structural repairs, and complex maintenance work.

Every aircraft receives the same focus on safety, precision, and workmanship that we bring to our own fleet. Throughout the process, we keep you informed, respond quickly, and work efficiently to return your aircraft to service.

Capabilities

  • Scheduled and unscheduled aircraft maintenance
  • Annual, phase, and 100-hour inspections
  • Troubleshooting, structural repairs, and pre-purchase evaluations
  • Avionics installation and support
  • Non-destructive testing
  • Precision machining and fabrication
  • Turbine and government fleet support
  • FAA-certified and factory-trained expertise

FAQs

What aircraft do you service?

We support a range of general aviation aircraft, from routine servicing and inspections to major repairs. Contact us with your make, model, and service needs to confirm support.

Yes. Our maintenance team has extensive turbine experience. Contact us to confirm support for your specific airframe and engine.

Yes. We serve individual owners, business operators, charter organizations, and government aircraft.

Email neptunesales@neptuneaviation.com or call 406-542-0606 with your aircraft information and requested service.

General inquiries typically receive a response within one to three business days. Call us directly for urgent maintenance needs.

Our maintenance facility is located at Missoula Montana Airport at 4301 Corporate Way, Missoula, MT 59808.

Avionics

Licensed Garmin dealer installations, troubleshooting, and panel upgrades — backed by a team with 138,000+ square feet of hangar space to handle any job, large or small.

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Non-Destructive Testing

Full-suite NDT inspections, including one of only two large-format magnetic particle benches in the state, backed by fast turnaround and mobile service.

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Machine Shop

Custom machining, fabrication, and precision repair for parts you can't find off the shelf — from prototype work to short-run production.

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Ready to Schedule Service?

Contact our team to discuss your maintenance needs or schedule service. General inquiries receive a response within 1–3 business days.

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