Arcline Investment Management, a growth-oriented private equity firm, agreed to acquire Onboard Systems, a designer, manufacturer, and servicer of external cargo equipment for military and civil helicopter applications, from Liberty Hall Capital Partners, a private equity firm. Financial terms were not disclosed. "We could not be more excited to partner with Arcline in our company's next phase. Arcline shares our vision to deliver the most advanced and highest-quality external cargo solutions to our customers. We are confident that our partnership with Arcline and its portfolio of aerospace and defense-focused businesses will enable us to better serve both our OEM and aftermarket partners," Cory VanBuskirk, Onboard Systems President.