The long, pendulous ears on Cocker Spaniels are prone to ear infections if they are not cleaned on at least a weekly basis. Some Cocker Spaniels may need their ears cleaned 2-3 times per week. While playing with or brushing your Cocker Spaniel, lift the ear flap and sniff the ear. If it smells clean, it is healthy.
More importantly, though, Grand Canyon helicopters (West Rim AND South Rim) have a weight surcharge if a passenger weighs more than a specified limit. The weight limit is set by the tour operator, but it's usually either 275 or 300 pounds. So, as a general rule, passengers who weigh more than that will need to pay a weight surcharge before they're allowed to board their chopper. The amount of the surcharge is set by the tour company that's operating the flight.
A single axle shall not exceed 21,000 pounds (9,530 kg) for digger-derrick or bucket boom trucks. operated by an electric utility on a non-interstate highway. C.R.S. 42-5-507(2)(b.5) Gross weight limits are increased by 1,000 pounds (450 kg) for vehicles or combination of vehicles. that contain an alternative fuel system and that operate on alternative fuel and conventional fuel on. the non-interstate highways.