Endorsement - if you live in a country which requires it for the operation of air brake equipped vehicles. If you live in the US, air brakes aren't an endorsement - a CDL holder will receive a restriction prohibiting them from operating an air brake equipped CMV if they do not complete the written air brakes test and perform their road test in an air brake equipped vehicle.
Certificate - an ASE certificate for air brakes must be awarded to someone before they can legally make adjustments to or perform maintenance on an air brake system.
There is no such thing as an air brake endorsement on any license in any US state or territory.
There is no air brake endorsement. If a CDL driver does not complete and pass the written Air Brakes test and perform their road test in an air brake equipped vehicle, they receive a restriction which prohibits them from operating a commercial vehicle with air brakes.
No such thing as an air brake endorsement on a US license.
No, because there is no such thing as an air brake endorsement on a US license.
In some countries, to be permitted to operate an air brake equipped vehicle, your licence must show an endorsement which permits you to. In the US, "air brake endorsement" is actually a misnomer - there is no air brake endorsement on a US licence. If a CDL driver does not pass the written air brakes test and conduct their road test in an air brake equipped vehicle, they get a restriction prohibiting them from operating an air brake equipped commercial vehicles. However, this is only applicable to commercial vehicles - operating a non-commercial vehicle with air brakes requires absolutely no qualification, whatsoever.
You can't get an air brake endorsement ANYWHERE in the US on ANY class of license, because it doesn't exist.
Air brake endorsements fall under Federal laws so every state will have the same minimum requirement for an air brake endorsement if you have air brakes on your vehicle.
It doesn't exist. A CDL driver must complete the written air brakes test and complete their road test in an air brake equipped vehicle, or else they'll receive a restriction prohibiting them from operating a commercial vehicle equipped with air brakes. For vehicles which aren't considered CMVs, there is no requirement for an endorsement of any sort.
You can't get one. Primarily, because there is no such thing as an air brake endorsement on a US drivers licence. For a non-commercial vehicle (as defined by the FMCSR), absolutely no knowledge of, testing of, or training on air brake systems is required. It is only applicable to CDL holders. If they do not take both the written air brakes test AND conduct their road test in an air brake equipped vehicle, they receive a restriction on their CDL which prohibits them from operating air brake equipped commercial vehicles.
There is no air brake endorsement for a CDL, period. If you do not complete the written air brakes test AND do your road test in an air brake equipped vehicle, you receive a restrictionwhich prohibits you from operating a commercial vehicle with air brakes (although it has no impact on air brake equipped vehicles which fall outside the jurisdiction of the FMCSA).
There is no air brake endorsement. If you do not pass the written air brakes test AND complete your road test in a vehicle equipped with air brakes, then you get a restriction which prohibits you from operating an commercial vehicle which is equipped with air brakes. It is possible to have a Class A CDL with an air brake restriction.
Depends on where you're at. In the US, there is no such thing as an air brake endorsement - only a restriction for CDL drivers who don't both pass the written air brakes test and perform their road test in a vehicle so equipped. In other countries, there is such an endorsement.