Plane and Pilot Magazine: Piston Plane Sales on the Rise
AvWeb: Piston Aircraft Sales Surge
AIN Online: 1H17 Bizjet Shipments Rise, Turboprops Cool Down
Wichita Eagle: GAMA Report: Piston Planes Give Cessna, Industry Lift
Monitor Daily: GAMA: H1/17 Business Jet Shipments Flat; Total Aircraft Billings Decline
Flying Magazine: GAMA Report Shows Good News For Piston Aircraft Sales