Yes, I thought of that too.
I tried a class 6 that I had laying around and got the same results.
Don't think its the card...I tried the card in my phone and it works just fine.
Pretty sure I'v tried and tested everything. Just gonna buy another one and hope for better results.
Don't forget....float planes fly off of frozen water just as well
Three new planes ??? you've been busy. I only got two built this winter.