L

Letter L (Lima)
International Code of Signals
In harbor: The ship is under Quarantine.
At sea: You should stop your vessel instantly. With four numerals, latitude. (The first two denote degrees and the rest minutes.)

usage:	international flag (signal), signal flag (nautical signal)
continent:	World
shape:	rectangular
colors:	(only colors)yellow, black, (only colors)
devices:	CANTON FIELD number: 2 color: yellowCANTON FIELD number: 2 color: blackQUARTERED
division:	chequered: number of areas: 4 areas, angle of areas: normal, additional area: no additional area,
charges:	charge(s): none, partition(s): none