@chrisford @Natasha_Jay @CaptMikeYates Prior to 1969, R meant "The way is off my ship; you may feel your way past me," so it's newer than that.
D
dbendit@mastodon.eroticmohel.com
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These flags would be so useful in daily life when you're having one of those days and want to let people know. -
These flags would be so useful in daily life when you're having one of those days and want to let people know.@Natasha_Jay @CaptMikeYates These seem to be the modern ICS signals
https://en.wikipedia.org/wiki/International_maritime_signal_flags