A skid helicopter does not have wheels of its own. Moving it with ground-handling wheels means lifting the skids, fitting the wheels, and usually finding two or three people, then doing the same thing in reverse at the end of the day. For a helicopter that only needs to go from the hangar to the pad, that is a lot of handling around a short flight.
DISCOVERY H is the electric helicopter tug published for that move. It is 11 cm tall, so it slides under the skid instead of asking you to jack the helicopter onto a separate set of wheels. A telescopic attachment arm takes hold and lifts. The 48 V, 900 W drive tows up to 2,500 kg at up to 5 km/h. One person walks it, on grass or asphalt. A manual winch is in the handle. The tug weighs 95 kg. Dimensions are 210 × 83 × 11 cm. Ramp load is 500 kg. Those are the published figures. This note does not add a procedure beyond them.
The helicopter the product names is the Robinson R44: skid-equipped light helicopters such as the R44, up to 2,500 kg. The Robinson R22 is a smaller skid helicopter in that same light class. We do not publish a separate kilogram figure or a separate test for the R22. If it is a skid-equipped light helicopter inside the 2,500 kg rating, DISCOVERY H is the machine to confirm. Tell us the variant. Floats, skid shoes, or a configuration outside that description is something we will say no to if it does not fit, rather than stretch the sentence.
The ordinary uses written for the tug are the ordinary moves: out to the pad before a flight, back inside afterwards, or a reposition for a wash or for maintenance, at a controlled walking pace. Because it is electric, it is described as quiet enough for a closed hangar. You are not heaving the helicopter across the apron with a crew.
Two other ideas are not available for this job today. HELI PAD is an electric platform for small and mid-size skid helicopters, in development, with no specifications published. HELI LIFT is a scissor-lift concept on mecanum wheels, also in development, for moving a helicopter in any direction inside a tight hangar. Both stay marked coming soon. Planning a daily movement around either of them would be planning around a machine that is not finished.
An airplane tug does not slide under a skid. DISCOVERY, ROVER and GRAVITY hold a nose wheel. If the hangar has both an airplane and a helicopter, they are two ratings, not one. Request a quote and name the helicopter, the surface, and whether ground-handling wheels are what you want to stop using. There is no price here, and no new test.