Round navy embroidered patch with a white compass rose that has no needle, under the words Dead reckoning

Dead Reckoning Patch

A compass rose with no needle, because in dead reckoning nothing points the way. You work it out.

Size
75mm round, embroidered, hook backing
From
The navigation side of Aeron
Item code
AER-DEAD-RECKONING-PATCH

Why it's true.

Dead reckoning works out where you are from where you started, how fast you went and for how long. Nothing points the way, so the compass rose has no needle.