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Appendix B | Explanatory notes about terms in WaterlineAverage total employment—this is the total employment of the port authorities. Itdoes not include the waterside workers employed by stevedoring companies.Port turnaround times (hours)—this is the time in hours a container ship is in a port.It is measured as a median of all the container ships in port over a six month period.It is also measured as the 95 th percentile for those ships. The 95th percentile saysthat 95 per cent of the time, the turnaround time is below this amount. Conversely,5 per cent of the time, turnaround time is above that amount.Coastal shipping permits definitions as used in Chapter 7Coastal shipping permits: Under the Navigation Act 1912 (section 286) vessels maybe licensed to participate in Australia’s coastal trade irrespective of flag and crewnationality. An unlicensed ship may be granted a permit to trade on the Australiancoast in the carriage of either cargo or passengers where:• there is no suitable licensed ship available for the shipping task• or the service carried out by licensed ships is inadequate• and it is considered to be desirable in the public interest that an unlicensed shipbe allowed to undertake that shipping task.Single voyage permits (SVP)—this permit is issued for a single voyage betweendesignated ports for the carriage of a specified cargo or passengersContinuing voyage permits (CVP)—this permit is issued for a period of up to threemonths and enables a vessel to carry specified cargo between specified ports for thatperiod.63