GTCP331-200ER APU for Sale or Lease - Aero-Shield Capital USA : Need a GTCP331-200ER APU that keeps aircraft ready on the ground? We provide auxiliary power for engine start, environmental systems, and turnaround support. Name: Aero Shield Capital Inc. Phone: 872-233-4002 Address: 125 South Wacker Drive Suite 300 Chicago, Illinois 60606 United States...