Do you have any add-ons in your Community folder? If yes, please remove and retest before posting.
no
Are you using Developer Mode or made changes in it?
no
Brief description of the issue:
Warning message keeps repeating
Provide Screenshot(s)/video(s) of the issue encountered:
NA
Detail steps to reproduce the issue encountered:
Land on water in C172 on Floats, advance the throttle a tiny bit
PC specs for those who want to assist (if not entered in your profile)
NA
Build Version # when you first started experiencing this issue:
1.18.13.
Are you on the Steam or Microsoft Store version?
Store
Did you submit this to Zendesk? If so, what is your ticket #?
no
Answering my own question… there is a flashing warning button that can be pushed to turn it off. 
I pushed that and it came back after a few…