Glossary of Shipping Terms

- A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

Q
Polaris correction.

Q
quick flashing.

Q(3)
group quick flashing (3 flashes).

Q(6)+L.FL.
Q(6)+L.Fl. group quick flashing (6 flashes) plus a long flash.

QQ'
QQ' celestial equator.

QUARANTINE
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.

QUAY
a structure attached to land to which a vessel is moored. See also Pier and Dock.

QUOIN
a wedge–shaped piece of timber used to secure barrels against movement.

QUOTA
The quantity of goods that may be imported without restriction during a set period of time.

QUOTATION
an offer to sell goods at a stated price and under stated terms.