Oh, I've flown those before.
Do you have them? can you upload them to a filehosting site?
why didn't ya just ask I probably have more than half of all the addons ever made for blocklandhttps://dl.dropboxusercontent.com/u/50959273/Blockland%20Private/Vehicle_Cessna.zip
While you're at it, could you get the ultra-light one aswell?