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TransDigm to Acquire Victor Sierra Aviation in $2.2 Billion Jet Parts Deal

TransDigm to Acquire Victor Sierra Aviation in $2.2 Billion Jet Parts Deal
TransDigm Group has entered into a definitive agreement to acquire Jet Parts Engineering and Victor Sierra Aviation Holdings from private equity firm Vance Street Capital for $2.2 billion. This transaction is poised to significantly reshape the aerospace aftermarket sector by combining two independent platforms that specialize in proprietary parts, repairs, and engineering-driven solutions across commercial, regional, cargo, and general/business aviation markets.
Strategic Expansion of Aftermarket Capabilities
Jet Parts Engineering, headquartered in Seattle, is renowned for designing and manufacturing aftermarket aerospace solutions, including proprietary OEM-alternative parts and repairs widely used by airlines and maintenance, repair, and overhaul (MRO) providers. The company is a leading supplier of Parts Manufacturer Approval (PMA) components across major commercial aerospace platforms, underscoring its critical role in the industry.
Victor Sierra Aviation, based in Baldwin City, Kansas, serves the general and business aviation sectors with a portfolio of proprietary PMA and aftermarket parts. Its operations encompass well-known brands such as McFarlane Aviation, Tempest Aero Group, and Aviation Products Systems, supported by multiple service and repair stations that enhance its market reach and technical capabilities.
Since initiating partnerships with Jet Parts in 2018 and Victor Sierra in 2021, Vance Street Capital has collaborated closely with each company’s founders. The firm has focused on investing in talent, processes, and systems to fuel growth, while expanding intellectual property, specialized parts, and repair-service offerings through enhanced engineering resources and facility upgrades.
TransDigm, a global supplier of highly engineered aerospace components, views this acquisition as a strategic move to broaden its aftermarket presence. The company’s existing portfolio includes a diverse range of aircraft parts and subsystems such as actuation systems, ignition components, pumps, valves, motors, generators, safety restraints, and specialized electronics. Integrating Jet Parts and Victor Sierra will augment TransDigm’s capabilities and product breadth in the commercial aerospace aftermarket.
Market and Regulatory Considerations
The transaction is expected to undergo regulatory scrutiny due to the scale and complexity involved in merging two established aftermarket platforms. Despite these challenges, the market has responded positively, with investors recognizing the acquisition as a significant step in reinforcing TransDigm’s competitive position. Industry analysts suggest that this move may prompt competitors to pursue similar acquisitions or enhance their product offerings to maintain market share.
Financial and legal advisory roles in the deal have been filled by Harris Williams as financial advisor and Paul Hastings as primary legal counsel to Jet Parts, Victor Sierra, and Vance Street Capital. Baker Hostetler is serving as legal advisor to TransDigm.
Perspectives from Leadership
Nic Janneck, Partner at Vance Street Capital, reflected on the partnership, stating, “It has been a privilege to partner with Jet Parts and Victor Sierra. Both organizations exist because of founders who built exceptional businesses, and that founder mindset has driven everything we’ve been successful in accomplishing together over the last 8 years.”
Will Robinson and Nick Lindholm, Vice Presidents at Vance Street Capital, emphasized the companies’ engineering focus: “Jet Parts and Victor Sierra were built on a foundational commitment to solving engineering problems for their customers. Maintaining that focus has driven their exceptional growth, success and reputation in the aftermarket.”
Scott Still, CEO of Victor Sierra, expressed optimism about the future under TransDigm’s ownership: “We look forward to joining TransDigm and believe this transaction further positions our companies well for long-term success. TransDigm’s deep aerospace expertise, operating philosophy and focus on highly specialized, engineered products make it an ideal home for our businesses.”
Anu Goel, CEO and Founder of Jet Parts, highlighted the role of Vance Street Capital in the companies’ development: “Vance Street was fully aligned with our team on strategy and enabled us to significantly expand our footprint, breadth of products, brands and engineering capacity to keep our customers flying. Their strategic vision, support and resources have been integral to our development, all while maintaining the entrepreneurial culture that our employees have built over several decades.”
The acquisition remains subject to customary closing conditions and regulatory approvals.

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