Originally Posted by fatman

Those a your travel benefits.

There are three levels, D1, D2, D3.

D1 is the highest priority and only you and your spouse/children are eligible. You only get a limited number per year, so it is wise to only use them for vacation or things where it is very important to get on the flight. Don't use it to commute, as the higher priority isn't exactly going to give you higher access to the jumpseat.

D2 would be your everyday commuting passes. I.e., traveling to and from work.

D3 are passed you can hand to your friends. You only have a limited amount per year as well.

Hope this helps.