To ensure that vessels' hatch covers
and other weather deck openings are watertight shipowners or other
parties appoint a surveyor to conduct watertightness test. Thus, a hose
test or ultrasonic watertightness analysis should be done in order to
find out whether the hatch covers are watertight.
"CROSSLINE SERVICES" provides customers
with both tests, issues a watertightness test certificate, and gives