Whangarei Heads is a popular coastal recreation area.
Regardless of today's bail application result, Engu will re-appear for a case review on March 5, 2018.
A charge of threatening to kill carries a maximum penalty of seven years while the charge of possessing an offensive weapon is three years.
Ministry of Primary Industries fisheries' compliance manager Greg Keys said MPI has a range of support services for employees who were subjected to actions that, during the course of their work, were considered a health and safety risk.