Hi, I edited out your email address in your forum post for your own protection and privacy, to protect you from spammers.
I don't have any saved games for A Golden Wake - let's see if someone can help you with this.
A walkthrough about the airshow section says:
At the airshow, you need to drive the car. Brake to the very back of the screen to be able to lower the top, then stay in the middle and go where the plane’s shadow flashes. When Mabel hangs from the ladder, put the top up then go next to her so she can regain her balance and climb up.
The video walkthrough can be found
here. This might also help you with the airshow segment.