- If two or more profiles are chosen and a floodway profile is not included, cHECk-RAS will run the NT, XS, Structure and Profiles Checks.
- If more than two profiles are chosen and one of the profiles is a floodway, cHECk-RAS will run the NT, XS, Structure, Floodway and Profiles Checks.

cHECk-RAS does not support unsteady flow models. The following message will appear if a user attempts to run cHECk-RAS using an unsteady flow model.
