Our Products
Below are sections that list most of our products and upgrades available for the Piper Aztec, Apache and Geronimo; we hold over 40 STC's that can make your aircraft modern and practical.
scroll down to see them all, or select from the drop-down buttons above...
NOTE: All prices subject to change without notice, please call with questions.
Piper Custom Instrument Panels
Diamond Aire can create a panel to exactly suit your needs
Piper Apache Modifications
We can do extensive modifications to Apache's
Apache to Diamond Geronimo Conversions
Montana Diamond Aire holds the exclusive STC for this engine upgrade for the Piper Geronimo.
Aztec Modifications
Many of the following kits have previously been offered for the Apache model aircraft. All of the following are now fully STC’d for installation on the PA23-250 series aircraft as well. Prices do not include installation or freight charges.
Fuel Sales
Diamond Aire is proud to offer fuel sales again, with our state of the art new card reader system. We stock 100LL and JetA with easy 24 hour access at reasonable prices.
Our fuel island is located west of the runway complex, and look for our tall Diamond Aire sign and follow any western taxiway to reach our facility, where credit cards are gladly accepted every day of the week, including holidays.