If you see a hazard or something you suspect will affect safe navigation, including shortcomings with our charts or publications, please report the hazard by completing an H Note (Hydrographic Note). For urgent hazards, please call 0800 665 463.
How to submit a Hydrographic Note
Complete the online H Note form below to send your information directly to the New Zealand Hydrographic Authority. You must fill out the fields marked with an asterisk *.
Alternatively, download the printable version of the form, fill it out, scan it and email it to us at ntm@linz.govt.nz.