This article is based on an official press release from the Arizona Commerce Authority.

Ascent Aviation Services Unveils $70 Million Expansion in Marana

On December 8, 2025, Ascent Aviation Services officially inaugurated two massive new maintenance hangars at Pinal Air Park in Marana, Arizona. The grand opening marks the completion of a significant infrastructure project designed to transform the facility into a global hub for wide-body aircraft modification. According to the official announcement, the total investment in the site reached $70 million, a figure that underscores the growing demand for specialized aviation services in North America.

The expansion is strategically focused on the “Passenger-to-Freighter” (P2F) market. Ascent Aviation Services has partnered with Israel Aerospace Industries (IAI) to establish a conversion line for the Boeing 777-300ER, a program often referred to in the industry as “The Big Twin.” This development positions the Marana facility as the only site in North America, outside of original equipment manufacturers (OEMs), authorized to perform these complex heavy maintenance and conversion tasks.

Facility Specifications and Capabilities

The newly completed infrastructure includes two hangars totaling 180,000 square feet, with each structure spanning 90,000 square feet. This expansion effectively triples the company’s hangar capacity at the Pinal Air Park location, representing a 200% increase in operational space. The facilities were specifically engineered to house two lines of Boeing 777-300ER aircraft simultaneously, allowing for parallel conversion workflows.

David Querio, President and CEO of Ascent Aviation Services, emphasized the necessity of this expansion for the company’s long-term strategy. In a statement regarding the opening, Querio highlighted the competitive nature of the Maintenance, Repair, and Overhaul (MRO) sector.

“A company must continue to foster growth and innovate to remain competitive in this niche industry.”

David Querio, President & CEO, Ascent Aviation Services

The project’s scope grew significantly during its development. While initial projections in 2023 and 2024 estimated a capital investment of $55 million, the final investment reported at the December 2025 opening was $70 million. This increase reflects the scale and technical complexity required to support heavy wide-body modifications.

Economic Impact on Southern Arizona

State and local officials have touted the project as a major economic driver for the region. The expansion is expected to create over 300 high-wage jobs, ranging from technical maintenance roles to engineering positions. To support this workforce demand, Ascent has implemented a structured apprentice program aimed at training local workers for these specialized aviation careers.

Sandra Watson, President and CEO of the Arizona Commerce Authority, noted that the investment reinforces the state’s status in the aerospace sector.

“Ascent’s investment in Marana reinforces Arizona’s position as a premier aviation and aerospace hub, while creating hundreds of high-quality aviation jobs in Southern Arizona.”

Sandra Watson, President & CEO, Arizona Commerce Authority

Local leadership also pointed to the transformative nature of the project for the Town of Marana. Historically, Pinal Air Park was known primarily for aircraft storage and reclamation, often colloquially called a “boneyard.” This new facility shifts the focus toward active, high-tech manufacturing and modification.

Jon Post, Mayor of Marana, described the opening as a pivotal moment for the local economy.

“This is going to be the economic kickoff for the economic powerhouse in Southern Arizona, which will be the Town of Marana.”

Jon Post, Mayor of Marana

AirPro News Analysis

The completion of these hangars arrives at a critical juncture for the global air cargo market. The demand for P2F conversions is being driven largely by the continued expansion of e-commerce, which requires robust air logistics networks. As older cargo fleets, such as the Boeing 747 and MD-11, face retirement, the Boeing 777-300ER is emerging as the preferred modern replacement due to its fuel efficiency and payload volume.

However, the market currently faces a “feedstock” challenge. Airlines are retaining passenger aircraft longer to meet travel demand, making the supply of convertible airframes tight. By securing the status of the only non-OEM facility in North America authorized for these specific conversions, Ascent Aviation Services has secured a highly valuable position in the supply chain. We anticipate that this exclusivity will likely result in high utilization rates for the new hangars immediately following their opening.

Sources

Arizona Commerce Authority