at all times when aboard
US - on private waterways/lakes. Some states do not require PFDs at all. On USCG patrolled waters - it depends on the size of the boat, there is a foot length or displacement, over which passengers are not required to wear a PFD.
water skiing or tubing
In most places, children under a certain age (usually 13) are required by law to wear a PFD while on a boat. Additionally, in many states, anyone participating in certain water activities like waterskiing or riding a personal watercraft is required to wear a PFD. It's best to check the specific laws in your area for accuracy.
when on board a ski boat that is underway
Washing your PFD with soap and cold water could cause it to wear out.
The elements, sun, water, and age can cause a PFD to wear out over time.
Proper size and comfort. No PFD can help if you do not wear it.
Children under 16 are required to have a Coast Guard approved, properly fitted Personal Flotation Device (PFD) at all times while underway on recreational craft.
PFD is required for each person aboardWearable PFD for each person aboard
Exposure to UV rays, among other things, can cause a PFD to wear out over time.
Exposure to UV rays, among other things, can cause a PFD to wear out over time.