Vance Street's Victor Sierra (VS Aviation) Acquires Aviation Products Systems, Inc.

TransDigm Acquires Jet Parts Engineering and Victor Sierra Aviation Holdings

January 19, 2026

Aerospace & Defense

TransDigm Group Incorporated has agreed to acquire Jet Parts Engineering (JPE) and Victor Sierra Aviation Holdings (VSA), both portfolio companies of Vance Street Capital, for approximately $2.2 billion in cash. The transaction expands TransDigm’s presence in the commercial aerospace aftermarket by adding engineered PMA/OEM-alternative parts, repair capabilities and distribution for commercial, regional, cargo, and business aviation customers.

Vance Street Capital Acquires McFarlane Aviation

October 21, 2021

Aerospace & Defense

Los Angeles-based private equity firm Vance Street Capital acquired McFarlane Aviation, a Baldwin City, Kansas manufacturer and distributor of FAA-PMA aftermarket parts for general aviation. The McFarlane family will retain a meaningful ownership stake alongside Vance Street as the firm positions McFarlane as a platform investment to accelerate growth in the aerospace aftermarket.

Vance Street Capital Invests in Aero Group Holdings (Tempest Aero Group)

April 4, 2023

Manufacturing

Los Angeles-based private equity firm Vance Street Capital has invested in Aero Group Holdings LLC, which operates Tempest Aero Group, a Burlington, North Carolina-based portfolio of FAA-PMA brands that design and manufacture replacement components for the general aviation market. Founders Tim Henderson and Mike Allen retain meaningful ownership, and Mike Allen will continue as CEO; financial terms were not disclosed.

Aviation Equipment Processing Acquires Vantage Associates

February 23, 2026

Aerospace & Defense

Aviation Equipment Processing (AEP) has acquired Vantage Associates, Inc., an employee-owned precision manufacturer of metal, composite and plastic aerospace components. Impact Capital Group served as exclusive advisor to Vantage; the deal brings together Vantage's composites and thermoforming capabilities with AEP's bonding, finishing, and testing expertise to expand product capabilities and accelerate growth in commercial and military aerospace markets.

Jet Parts Engineering Acquires AeroSpares

December 22, 2020

Aerospace & Defense

Jet Parts Engineering LLC, a portfolio company of Vance Street Capital, has acquired AeroSpares, Inc., a designer and seller of proprietary FAA-approved aftermarket PMA parts, particularly pressure switches. The add-on expands JPE's catalogue of proprietary PMA parts and engineering capabilities to better serve commercial and cargo airlines and MRO customers; financial terms were not disclosed.

Vance Street Capital Acquires Stake in System Seals

December 9, 2024

Manufacturing

Los Angeles-based private equity firm Vance Street Capital has partnered with Cleveland-based System Seals, a designer and manufacturer of proprietary sealing solutions. Founder and CEO Arnold von Engelbrechten will retain a meaningful ownership stake and continue to lead the business as Vance Street supports product development, international expansion and targeted M&A.