![Starnav-operated tug Starnav Antares MarineTraffic.com/Celso Marino](http://media.assettype.com/bairdmaritime%2Fimport%2Fwp-content%2Fuploads%2Fmedia%2Fk2%2Fitems%2Fsrc%2F675362aef61a36df3271398e6ff1e414.jpg?w=480&auto=format%2Ccompress&fit=max)
Brazilian towage provider Starnav Servicos has placed an order for eight harbour tugs with affiliate company Detroit Brasil.
The tugs will be built over a span of 18 months with one tug to be delivered every three months.
Delivery of the vessels is slated to begin in March 2019.