Shortly after 11pm on Wednesday night, the 19th of February, a C130 flew slowly over Whangarei at low altitude in a south-westerly direction before returning to base in Auckland. Thank-you to Jacqui for the screenshots from Flightradar24.com, which are posted below.
A year to the day ago, the Northern Advocate reported that a C130 flew at low altitude over Dargaville, which is to the west of Whangarei, at 1.30pm on February the 19th, 2019 for low-level flying training purposes.
C130s have been used to fight the bush fires in Australia this year.
Many users of the website may recall seeing the Air Force C17 Globemaster over Whangarei on April the 9th, 2019 spraying an aerosol trail over the area, exposing that the military get involved with domestic aerosol operations here. However, it is not known if the C130 aircraft was emitting aerosol trails on Feb 19th, 2020.
In the US, the Air Force has long used its planes to spray compounds harmful to human health in mosquito-control missions. Here is an example of one https://www.youtube.com/watch?v=jQsOuPjVirs , where the US Air Force was using an organophosphate form of insecticide called naled, which killed bees.