How to cash silver planes to WOA Dollars


I have about 20,000 silver plane icons.
How do you cash silver planes into golden planes or WOA dollars?

Immpossible. Sp is only used to purchase planes and liveries (although some liveries are bugged as of now)
And its the opposite for golden planes and cannot be done reverse

And I wouldn’t waste any (golden) planes on Wollars anyway. It’s easy enough to earn cash with handling X and L planes. I did that mistake when I first started the game. It’s not worth it.