TransDigm Group acquired Jet Parts Engineering & Victor Sierra Aviation Holdings for approximately $2.2 billion in cash (including certain tax benefits), a transaction announced in January 2026, structured as all cash.
Jet Parts Engineering & Victor Sierra Aviation Holdings operates in Power & Control / Airframe, is based in Seattle, Washington (JPE HQ); engineering/repair sites in Texas, New York, Florida, Alabama and the UK. Two portfolio companies of Vance Street Capital acquired together. Jet Parts Engineering (Seattle, WA) designs and manufactures proprietary OEM-alternative PMA aftermarket parts and repairs for commercial, regional and cargo airlines and MRO providers, with nearly all revenue from the commercial aftermarket. Victor Sierra Aviation (a collection of brands including McFarlane Aviation, Tempest Aero Group and Aviation Products Systems) makes proprietary PMA and aftermarket parts for general and business aviation.
Nearly 100% commercial aftermarket revenue from proprietary OEM-alternative (PMA) parts
We are excited to have an agreement to acquire Jet Parts Engineering and Victor Sierra, two well run, profitable businesses that will fit well within TransDigm. The Companies' highly engineered, proprietary OEM-alternative parts and services generate nearly 100% commercial aftermarket revenue.Mike Lisman, Chief Executive Officer, TransDigm Group
Advisory firms were not disclosed for this transaction.