Mon - Fri: 9:00 AM - 5:00 PM Mountain Time.
Piper PA-23 Aircraft Modifications
Custom STC’d Mods, Avionics,
and Overhauls
Piper PA-23 Aircraft Modifications
Custom STC’d Mods, Avionics,
and Overhauls
Piper Performance Upgrades
Piper Performance Upgrades
Piper Performance Upgrades
We have upgrades for speed-slope windshields, nose cones, throttle controls, Dorsal Fins, Wing Tips, Window Kits, Soundproofing, Control Panels, Airframe inspection, overhauls, and more.
Our Piper upgrades add significant stability, safety, performance, and soundproofing for Apache and Geronimo aircraft.
Piper Panel Upgrades
Piper Performance Upgrades
Piper Performance Upgrades
Approved for Aztec, Apache & Geronimo aircraft, this one-piece design eliminates cockpit display clutter and is shock-mounted to isolate full panel.
Several panel styles include back-lighting or post-lighting, engine instrumentation, and radio configuration options. Dual center stack design with option for copilot instruments.
Piper Aztec Upgrades
Piper Performance Upgrades
Piper Aztec Upgrades
Whether you are an individual looking for a reliable, spacious business class aircraft or a flight school looking for an economical, sturdy multi-engine trainer, the versatile Piper Aztec can meet all your needs.
For more information on some of the modifications that can be done to this proven aircraft view our Aztec Upgrade Options.
About Diamond Aire
Since 1996 Montana Diamond Aire has been the only company dedicated to the Piper PA-23 series. As the exclusive holder of the majority of the STCs in existence, we can provide everything you need, from avionics installations to airframe/engine overhauls to complete conversions.
Montana Diamond Aire is located at the Kalispell City Airport (S27) in Kalispell, Montana.
Our customers come to us from all parts of the country. While they are here, they enjoy the discounted lodging rates that are provided exclusively to our customers by The Aero Inn. Nearby Glacier National Park, Blacktail, and Big Mountain Ski Areas provide scenic diversions as well as the wildlife that can be viewed on casual drives around the area.
In addition, we are only a 15-minute drive from Glacier International Airport (GPI) for those who fly in commercially.