Flag of Ukraine bands of blue and yellow colour."" (). In addition to the normal horizontal format, many public buildings, such as Verkhovna rada in Ukraine use vertical flags. Most town halls fly their town flag together with the national flag in this way; some town flags in Ukraine exist only in vertical form. The proportions of these vertical flags are not specified. When hung like a banner or draped, the blue band should be on the left, as illustrated. When flown from a vertical flagpole, the blue band must face the mast. The flag did not appear on Ukrainian official postal stamp
Maritime flag which a burgee (tapering flag with swallow-tail fly) is flown when in port. There is a system of International maritime signal flags for each letter of the alphabet, and pennants for the numerals. Each flag (except the R flag) has an additional meaning when flown individually, and they take other meanings in certain combinations. A courtesy flag (or courtesy ensign) is flown by a visiting ship in foreign waters as a token of respect. It is often a small (that is, smaller than the ship's own national ensign) national maritime flag of the host country, although there are countries (such