What are signal flags?
Video - basic introduction to what signal flags are: https://youtu.be/M3RP2wRiKkI
Video - mnemonics to help remember the meanings of specific flags: https://youtu.be/X9OP4aubOlc
Written details about signal flags: https://combat.ws/S4/SAILOR/APNDX7.HTM
Online Games to practice your knowledge:
Just the letters (Link to Geoguessr)
Letters and Numbers (Link to Purposegames)
Meanings of Specific Flags (Link to Sporcle)
Use these for learning signal flags, Morse code, semaphore signals, and the phonetic alphabet
To print these cards front-to-back properly, choose "Flip on SHORT edge"
Mariner Signal Flags all on one page
This is a printable one-page for reference on signal flags, Morse code, and phonetic alphabet