group quick flashing (3 flashes).
Q(6)+L.Fl. group quick flashing (6 flashes) plus a long flash.
QQ' celestial equator.
a restraint placed on an operation to protect the public against a health hazard. A ship may be quarantined so that it cannot leave a protected point. During the quarantine period, the Q flag is hoisted.
a structure attached to land to which a vessel is moored. See also Pier and Dock.
a wedge–shaped piece of timber used to secure barrels against movement.
The quantity of goods that may be imported without restriction during a set period of time.
an offer to sell goods at a stated price and under stated terms.