Your Piper Twin Aircraft Upgrade Specialists

Piper Apache, Jeronimo, Azteca's aircraft upgrade destination with more than 20 years experience to help you get the best performance from the main twins

The average startup cost of a new twin plane is $ 750,000 and the economic answer is that it only costs a small part of the cost to upgrade an existing aircraft platform. Besides that, you also have a choice of functions and tools to pick the task that is most suitable for you.

Montana Diamond Aire has over 40 performance STCs and provides FAA approved STC fixes for Piper Apache, Geronimo, and Piper Aztec.

Be in beautiful Montana, you can install changes at our factory or we are offering a wide range of STC-ed

From custom paint applications to fiberglass engine compartments, we offer STC upgrades aimed at enhancing aesthetic appeal and performance. Since 1996, diamond enthusiasts in Montana have also converted STC's Piper Geronimo for Piper Apache.

Piper Azteca and Piper Apache aircraft provide custom designed dashboard with optical fiber backlight

Filed under: Air, General Aviation, Montana Diamond Airlines, Multi-Engine Aircraft, Piper Dashboard, Piper Pa 23, Piper Speed ​​Modification | Tags: Aztec Correction, Diamond Aim, General Aviation, Piper Aircraft Instrument Piper Aztec Repair , Piper Aztec repair, Piper Aztec repair, Piper Aztec repair, Piper Aztec repair Aztec painting work. Piper Azteca Nazell, Piper Aztec Parts, Piper Aztec Performance, Piper Aztec Repair, Piper Aztec Repair, Piper Aztec Service, Piper Azteca Spec, Piper Aztec Speed ​​Change, Piper Aztec Speed ​​Remodel, Piper Aztec Upgrade, Piper Azteca Upgrade Kit, Piper PA 23 , Piper PA 23, Piper Speed ​​Mods, Piston Twin Engine Aircraft | Leave a Comment "

PA-23 was not originally designed by Piper Aircraft. As a matter of fact, it is the design of Stinson Aircraft Company which is now disbanded. Piper inherited this design when he bought Stinson in 1950. "Twin Stinson" will be the world's first modern multi-engine aircraft for PA-23 Apache, the general aviation industry. The prototype PA - 23 made in 1952 is a two - sided design using two 125 - horsepower Lycoming O - 290 - D piston engines and a fabric - covered steel tube. Since this design resulted in several adverse flight characteristics, the aircraft was changed to single tail design and made of aluminum. The engine will also be upgraded to a more powerful 150 horsepower O - 320 - As. This 4-seat aircraft was put into production as PA-23 Apache in 1954.

Piper Apache / Azteca is the first Piper twin engine production aircraft, has produced more than 7000 aircraft in nearly 30 years and has been offered in many models for many years. The last model released in the Piper series in 1981 was a 6-seater PA-23-250 Aztec F equipped with an IO-540 engine that injects 2 x 250 hp fuel. PA-23 was not originally designed by Piper Aircraft. As a matter of fact, it is the design of Stinson Aircraft Company which is now disbanded. Piper inherited this design when he bought Stinson in 1950. This "Twin Stinson" will be the world's first modern multi-engine aircraft for PA-23 Apache, the general aviation industry.