Pro Tip: Hoist vs String
Use the Vertical Hoist layout for official halyard readings (read top-to-bottom). Use the Horizontal String for decorative graphics, letterheads, or inline digital text. Substitute pennants are automatically applied to both.
ICS Reference Guide
Substitute Flags (Repeaters)
Used to prevent carrying multiple sets of flags. If a character repeats, substitutes are used:
- • 1st Sub: Repeats the 1st character.
- • 2nd Sub: Repeats the 2nd character.
- • 3rd Sub: Repeats the 3rd character.
Flag Shapes
- • Alphabet: Standard Square.
- • A & B: Swallowtail (notched square).
- • Numbers 0-9: Elongated tapering pennants.
- • Substitutes: Triangular pennants.