Flag W (Whiskey)
ICS · W code word: Whiskey pronounced: WISS-KEY Morse: ·−−
In short: I require medical assistance.
Single-letter meaning (Pub 102)
I require medical assistance.
Morse sign
·−−
Dot = short sound, dash = long (three times longer). Hear it in the Morse translator.
In plain English
There is a sick or injured person on board and the ship needs medical assistance.
Where you will really see it
An accident or sudden illness on a ship with no doctor. In practice the radio works in parallel: medical advice through a TMAS station (Radio Medical) and evacuation if needed.
Keep going
- All signal flags: the search box and the full grid.
- Interactive mast: build your own hoist.
- Single-letter signals cheat sheet A to Z on one page.
The single-letter meanings are quoted 1:1 from Pub 102 International Code of Signals (NGA, public domain); the plain-English explanations are our own. Flag graphics: signal-flag-images (Unlicense).