The Grumman G73T Turbo Mallard is a twin-engine amphibious aircraft produced by Grumman. It is a derivative of the Grumman HU-16 Albatross and was first […]
The Grumman G73T Turbo Mallard is a twin-engine amphibious aircraft produced by Grumman. It is a derivative of the Grumman HU-16 Albatross and was first […]