NZ skydive crash families urge changes The New Zealand government has defended existing adventure tourism regulations following a plea from the families of four young tourists killed in a skydiving plane crash. All nine people on board died when Skydive New Zealand's Fletcher FU24 aircraft crashed near Fox Glacier shortly after take-off on September 4, 2010. The families of the four tourists killed - Australian Glen Bourke, 18, Briton Bradley Coker, 24, Irishman Patrick Byrne, 26, , and German Annika Kirsten Schmidt, 23 - have written to Prime Minister John Key, asking him to "take decisive and unequivocal action to reassure the world that New Zealand is a very safe place to visit." Among their requests were additional funding for the Civil Aviation Authority (CAA) and moves to introduce stricter liability laws like those seen in most other western countries. They also expressed concerns about two crew members who were found to have cannabis in their bloodstream. Mr Key says the government has taken steps to improve adventure tourism safety standards since taking office in 2008, and is still considering drug and alcohol regulations. There is currently no mandatory drug testing for the sector. "There's been at least a ramping up of what our expectations are and a very severe warning to the industry that if they can't self-regulate [drugs and alcohol] then we'll have to," Mr Key told Radio Live. One of the coroner's recommendations was mandatory seatbelts for tandem jumpers, and Mr Key says the government will get officials to do further work on that.