Haines Sugnature 550BR    – Boat Specifications. It’s hard to describe the beautiful buzz that comes from driving the stunning new Haines Signature Five50 BR – the Bow Rider. A very special new model from Australasia’s leading powerboat designer. With brilliant handling and performance, these exciting new “variable deadrise” trailer boats were inspired by John … Continue reading Haines Sugnature 550BR – Boat Specifications.