Morse Code Flag for the Letter C - Charlie: _ . _ .

Morse Code Flag for the Letter C, Charlie.   This flag is yellow because C is the third letter in the alphabet and yellow is the 3rd colour in the rainbow.  Blue is the contrast indicator for yellow.  Thus the STRIPE, STAR, STRIPE, STAR indicates Morse Code for DASH, DOT, DASH, DOT.

Morse Code for the Letter B - Bravo: _ . . .

Since B is the second letter in the alphabet, it gets the second colour in the spectrum - orange.  Black is the contrast indicator.  Subsequently the stars and stripe that represent the DASH, DOT, DOT, DOT  are all black.  Remember that Morse Code Flags are always read downwards.

Morse Code Flag for the Letter A - Alpha: . _

The Morse Code Flag for the letter A consists of one star and one dash, which is reflective of one dot and one dash.  Since the letter A is the first letter of the alphabet it is coded to 1, and the first colour of the spectrum is red, consequently the background is red, and the contrast indicator is white.

Morse Code Flag Number Chart

Morse Code Flag for the Number Nine: 9 = _ _ _ _ .

Morse Code Flags are new addition to the fun field of International Flag Signals.  In this case the number nine which in Morse Code is DASH DASH DASH DOT is represented in the flag with four blue stripes and one star.  Reason being, stripes represent DASHES while stars represent DOTS.

Morse Code Flag for the Number Eight: 8 = _ _ _ . .

Dash, Dash, Dash, Dot, Dot is Morse Code for the Number 8.  But the flag has a Stripe, Stripe, Stripe, Star, Star which reflects this nature. 

Morse Code Flag for the Number Seven: 7 = _ _ . . .

The Morse Code Flag for the Number 7 have two stripes and three stars.  The two stripes are for the first two dashes, while the three stars are for the next three dots.