All vehicles used on land

• Light Road
• Motorcycles
• Heavy Road
• Trailers
• Snow Vehicles
• Mining & Construction
• Agricultural
• Material Handling
• Trains

All vehicles used on water.

• Yachts
• Motor Yachts
• Power Boats
• Work Boats
• Ships
• Human Powered Boats
• Submarines

All Aircraft

• Single Engine
• Twin Engine
• Multi Engine
• Biz Jets
• Helicopters
• Aerobatic
• Sailplanes
• Hot Air Ballons
• Warbirds
• Blimps etc.

Vehicles that can't quite make up their minds if they are land, sea or air

• Hovercraft
• Other