A vessel gathers way when she begins to move through the water, and she has steerage way when her speed is sufficient for steering (i.e. the rudder is effective).
Inqanawa ihlanganisa indlela xa iqalisa ukushukuma emanzini, inendlela yokuthi iqhutywe xa isatya sayo sonele ukuqhutywa (umzekelo, Iplanga lokusingisa inqanawa silungile).