An Airbus AS355 TwinStar sits on the ramp as the sun sets. The ebb and flow of demand for vertical flight drives the international helicopter brokerage industry. 138 Brokering sale the By Kenneth I. Swartz Vertical magazine Airbus Helicopters Photo Helicopter brokers are an often-overlooked part of the global helicopter industry, but for many operators, they provide the vital link to getting rid of an unwanted aircraft — or finding a bargain buy.