Modifications
23 Seabees were converted to a two-engine variant known as the United Consultants Twin Bee with the fitting of two wing-mounted engines driving tractor propellers. The added thrust greatly enhanced the plane's speed, acceleration and capacity.
Modifications to increase the engine size, wingspan, cargo carrying capacity, controls, trim activation, environmental systems, landing light and many others have been available since the early 1970s.
Read more about this topic: Republic RC-3 Seabee