The only substantial document firefighters had about landslide risks prior to the fatal Muriwai slip in February, was a 10-year-old manual from Sweden.
The document was in English, but it said little about the hazards firefighters would face.
Two volunteer firefighters died in a landslide during Cyclone Gabrielle, in Muriwai in February.
Phil Pennington spoke to Ingrid Hipkiss.
