The Robinson R44 Clipper II helicopter model can be ordered in one of the following variants: with a fixed float landing gear or with an emergency landing gear. The weight of an empty Clipper II vehicle with a fixed float landing system increases by approximately 23 kg. At the same time, the cruising speed is reduced by only 10 knots (18.5 km/h). In the variant of a helicopter with an emergency landing gear, its weight increases by 27 kg with virtually no reduction in cruising speed.