human
Peridot thinks that the vessel out there may get into difficulties, she said.
gpt
I suggested that we should signal her; but he says she would pay no heed.
human
What sort of signal?
gpt
To turn back--Concarneau for choice.
human
Let's try, anyhow. Lorry, you'll find a codebook in the chart locker, and flags in the one beneath. Look for 'Recommend change of course' or something of the sort, and the Concarneau code letters. Get the necessary flags, and we'll run 'em up.
gpt
They're signaling from the Brigneau station already. It'll do no harm if we give him a tip too.