Aviall has entered into an exclusive distribution agreement to market and distribute spare parts and exchange units manufactured by Arkwin Industries. TransDigm subsidiary Arkwin makes hydraulic and fuel-system components for civil and military fixed-wing aircraft, helicopters, spacecraft, turbine engines and other special applications. The new agreement authorizes Aviall to market and distribute Arkwin’s aftermarket products to customers from Aviall’s 40 customer service centers in North America, Europe and Asia-Pacific.