The Civil Aviation Authority (CAA) has supported a recommendation for pilots to be tested for drugs and alcohol, after the coroner ruled the deaths of 11 people killed in the Carterton balloon crash were preventable.
CAA director Graeme Harris said the recommendation was in line with the authority's position on drug and alcohol use, and they would make the changes recommended by the coroner where possible.
"We have zero tolerance for drug and alcohol impairment in aviation and support any moves government may make to mitigate this risk through stronger regulation."
Changes made since the crash had already improved safety, Mr Harris said.
All adventure aviation operations, including commercial hot air ballooning and other activities including tandem hang-gliding and paragliding, must comply with Civil Aviation Rule Part 115, which requires a level of safety similar to a small airline.