It has taken longer than I expected but finally the audiobook of Cobra Flight is now for sale at audible, and in the various amazons worldwide.
So now there is a choice of ebook, paperback, and audiobook for you to choose from.
If you don’t have a monthly subscription to audible.com for a free book each month you can get a Trial Membership for one month which will allow you to get Cobra Flight for nothing.
Here is the link to the amazon.com listing.