Answering pennant (AP)
ICS · AP
In short: The answering pennant (code pennant). The receiver hoists it at the dip when they see a signal and close up when they have understood it; the sender ends the transmission with it. In numbers it serves as the decimal point.
In plain English
The answering pennant (code pennant). The receiver hoists it at the dip when they see a signal and close up when they have understood it; the sender ends the transmission with it. In numbers it serves as the decimal point.
Where you will really see it
A warship hoists the code pennant when she wants to signal to a merchant ship using the international code rather than her own naval signals.
Related flags
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).