The sky's the limit for one Christchurch skydiver, who is attempting to break the New Zealand record for the most jumps in a single day.
Steve Gregor, 30, wants to set a new record by jumping every six minutes to clock up 100 dives while raising money for the Westpac Rescue Helicopter.
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The jump, dubbed The Hundred Jump Project, aims to raise money to contribute towards the $7 million Westpac Rescue Helicopter needs to raise each year to provide their service to the community.
"I'm really relying on the people of New Zealand to just get behind it, get on the website and get their wallets out," Mr Gregor says.
"Even if I come out here and smash 100 and something skydives and that side of it works, if we haven't raised money for the Westpac Rescue Helicopter then this thing is a failure."
The New Zealand record has been unbeaten since 1999, so Mr Gregor has his work cut out for him.
"We're going to be going for 15 hours essentially without stopping," he says.
"I've got a great group of 30 to 40 people all coming together, some of the best pilots with the great planes and great systems, really fast parachute packers and really good parachutes."
It takes just two minutes in a plane to reach just over 2000 feet. A 90-second free-fall will see Mr Gregor back on solid ground, where he will take three minutes to put on a packed parachute, race to the plane and get back in the air for the next jump.
"It'll be one of those things when you get into a rhythm - as long as you don't stop, I think everything will be okay," Mr Gregor says.
The enthusiastic skydiver already has 500 jumps under his belt, something he fits in between his day job as an account manager.
"What's going to be hard is making sure I stay mentally sharp even when I'm physically fatigued."
Over the next four months he will spend most of his weekends planning, preparing and parachuting at Skydiving Kiwis in Ashburton ahead of the December 3 jump.
"Everything gets intensified; my physical training, my eating, my skydive training, the crew practising."
A Givealittle page has been setup to raise funds for the cause.