Checkboard
and good confirmation the process is complete
May I respectfully disagree 100%
Yes - that does confirm the de-icing is complete... it does
not mean there are no vehicles stuck / working behind you in a universal worldwide fashion.
Hence my comment above... to make it more bullet proof, you as crew, insist 100% that you receive a postive radio call/response to "all vehicles and personnel clear". Hate to use CYA, but at least in this case it is also on the CVR
NoD