ballast movement

ballast movement

[′bal·əst ‚müv·mənt]
(navigation)
A voyage or leg of a voyage by a tanker during which no commercially valuable cargo is in the tanks; seawater is usually carried to maintain stability. Also known as ballast leg; ballast passage.
References in periodicals archive ?
(4) Images of the ballast surface are taken for observing and measuring ballast movement under longitudinal loading.
Images of the ballast surface were taken using a digital camera for observing and measuring ballast movement during the tests [25], as shown in Figure 8.