Capitol Meridian Partners has agreed to invest in RH Aero Systems, a Mason, Ohio-based provider of aviation support equipment and services founded in 1967. No financial terms were disclosed.

Existing shareholders, including the Moeller family who have led the company since its founding, will remain significant investors. Concurrent with the investment, Anthony Turner will move from president to CEO while Dieter Moeller retains the chairman role.

"RH Aero has built an exceptional business distinguished by its market leadership, technical depth, global reach, and steadfast commitment to customers," said Adam Palmer, founding partner of Capitol Meridian Partners. The firm aims to accelerate growth and expand capabilities.

RH Aero serves OEMs, airlines, MROs, military operators, and power-generation customers. Vistina and Taft Law advised RH Aero, while Macquarie Capital and Latham & Watkins advised Capitol Meridian. Mid Cap Financial will provide debt financing.