my silver keys are not been added to my account. Can someone Please let me know why or what to do
can you send a picture?
Silver keys are used to unlock departure or arrival slots and cannot be bought.
Is your question about silver planes?
When a plane takes off, You get keys
When some Planes take Off you get Silver/White keys. WHAT are there
they are a way of getting more departure slots for your planes or arrivals without the need for money. you can find them in the derstination menu.