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Q&A with Kirk Krack: Technical Diving Instructor and Freediving Guru

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Kirk is getting back into cold-water tech diving
Kirk is getting back into cold-water tech diving
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We chat to technical diving instructor and freediving guru Kirk Krack about his first experiences of diving, how he became the go-to person in the world of freediving, and his work with cast and crew on Avatar: The Way of Water.

Photographs courtesy of Kirk Krack and 20th Century Studios. © 2022 20th Century Studios. All Rights Reserved.

As we always do to kick off these interviews, how did you first get into diving?

A: I got a birthday present of an open water course when I was 14 years old, from my parents. I’d always been a waterbaby, and this was the natural progression. Professionally I got into it after doing light commercial diving in the world’s biggest water park – and then discovered I could become an instructor and go live in the Caribbean – sold! I bought my first dive shop when I was 20, sold that and bought my first resort dive centre when I was 25, which was Dive-Tech in Grand Cayman. At 32, I started Performance Freediving International, and here I am today.

You became a recreational scuba diving instructor, but pretty soon progressed on to teaching technical diving, even going so far as becoming an instructor trainer in the discipline. What was it about technical diving that captured your attention?

Tech freediving in Truk Lagoon
Tech freediving in Truk Lagoon

A: I had gone as far as I could as a recreational instructor. Nitrox was just coming on to the scene, I could see some of its applications in what we were already doing, and so technical diving became the next thing to learn. It wasn’t so much to see what was down there, it was more the procedures and the technical components of executing a high-risk dive in a high-risk diving environment, what were the mindsets and the physiology I needed to learn. It just really intrigued me, and I could see there was this major opportunity in technical diving in the future. At the height of my tech diving, I was doing 170m dives, six hours plus of decompression, on a regular basis – at this time, there were only a handful of us going to these depths.

Now technical diving seems about as far removed from freediving as possible, but you soon fell under the spell of diving on breath-hold. How did this love affair with freediving come about?

A: Before I got scuba lessons, I was ‘freediving’. I was a water rat. I was always in the water, I was snorkelling and skin-diving, but looking back, I realised I had been essentially freediving, going to depths, changing my breathing on the surface, and incurring all the risks associated with that, but didn’t know any better.

There was no real education or training out there for freediving at this time. It was during my time on Grand Cayman that I could really see there was a future in freediving, that it was this full-on sport. My specialty was educational systems and teaching, and I designed one of the first proper ones, with standards and procedures, and brought out a whole system of education, and eventually reformed as PFI in January of 2000.

You were one of the first people on the planet to develop technical freediving. This seems a bit of an oxymoron, but tell us more about what it entails.

James Cameron with Kirk and John
James Cameron with Kirk and John

A: The history is in Cayman, supporting Tanya Streeter on one of her world-record attempts, breathing on some left-over 80 percent on the boat while debriefing with her – I was the safety freediver/coach for her – I got back in on breath-hold to check on some divers doing deco and realised I stayed down for, like, five minutes, unaware I had gone that long as I had no urge to breathe. And then it was like, of course, the oxygen. I started playing with it over the years, and began using 32 percent on some filming projects, and you notice it. I then started using it for all of our safety freedivers, at the De Ja Blue competition. They all said – no exhaustion at the end of the day, no exhaustion after three weeks, a quicker turnaround on the surface, and just a morecomfortable breath-hold. So I was like, this is a no-brainer, so I started writing procedures and systems to be able to teach this. It took some time, but we got there in the end.

Now moving on to the more-glitzy side of things – your work with Hollywood. You have trained the likes of Tom Cruise and Margot Robbie. What is it like working with superstars of that level, and do they make good students?

Freediving sequence on Avatar The Way of Water
Freediving sequence on Avatar The Way of Water

A: Ha, that’s a really good question. There hasn’t been one I haven’t enjoyed working with, there hasn’t been one person that wasn’t dedicated to the craft of learning what they wanted to learn. There have been a couple who did it to get the job done, but they were completely professional about it, others wanted to learn more than we needed to teach them. With Tom Cruise we went into advanced-level academics and things like that.

We have to talk about your work behind the scenes on Avatar: The Way of Water, but before we get into that, is it true that your first encounter with James Cameron was when you were sat next to him on an airplane, and that ever the chancer, you gave him your business card?

James Cameron overseeing a scene in Avatar The Way of Water
James Cameron overseeing a scene in Avatar The Way of Water

A: Ha, close. I’d gone through US customs, I was in Vancouver and was getting a Starbucks, and I saw James Cameron walk by with his entourage. I just had to go meet him, I had to do the fan-boy thing, and so after I got my coffee, I went looking but couldn’t find him.

Then when I got on my plane to LA, there he was, with his wife Suzy, in 1A and 1B. So I go back to my seat, pull out a business card, and on the back I write like my Twitter resume, just whatever I could fit it – and then it takes me half the flight to get up the courage. Halfway through the flight, I walked up and said ‘nothing ventured nothing gained, my name’s Kirk and I am a freediver’, and he was like ‘how long can you hold your breath?’.

I thought he might have just thought ‘heh, neat guy’ and then left the card in the seat pocket in front of him, but then in 2017, I ended up going out for a meeting at his house in Malibu and he told me Avatar number two was going to be 60 percent water, and I knew this was going to be the epic of the ages for diving. He asked me what I would do when it came to filming, etc, and after two hours was done, he was like ‘you’re our guy, we’ll be in touch – are you interested?’. Initially, I thought it was going to be a few months, me and some of my instructors, but it ended up being years of my life.

So on to Avatar: The Way of Water. This has a massive amount of screen time that is spent underwater, and so the cast and crew had to be safe and comfortable spending hours and hours in the water. What was your main role on the shoot, and what were some of the main challenges you faced?

James Cameron talking to Kirk
James Cameron talking to Kirk

A: I had to teach the cast, who varied in age from six to 69 years old, and various physical abilities. I had to teach the camera people, who were all water-people, but I had to get them in synchronisation with what I was doing with the cast, and how we were going to work the cast. I had to train grips. I had to train stunt people. We did 250,000 plus freedives in two and a half years just in LA alone. We went through almost 1,500 80 cubic foot cylinders of 50 and 80 percent nitrox, not including air cylinders, in LA alone. Underwater, at one time, we had 26 people on breath-hold. We had breath-holds in the four and a half minute range, and not just static apnea, these were working breath-holds, dynamic movements. Underwater parkour.

It must be quite a daunting prospect having to teach a veritable army of cast and crew to freedive to the standard Cameron needed to be able to capture the underwater sequences he wanted.

A: I had to train the cast member, and then I had to train the character. They are two separate people embodied in the same person. Sigourney Weaver was really into it, to bring her character to life, and any time she could get extra water time, when she wasn’t on set but was in town, she would – and usually it was over my lunch hour. But we’d go in and get extra training, which wasn’t scheduled. She was a lot of fun to work with.

Kate Winslet was amazing as well. She couldn’t come to LA, so I came to the UK to train her. When she heard where I was going to stay, she was like ‘no, we not having any of that’, and I ended up staying with the family. I’d have breakfast with them, then do a little academics, and then get in the pool. She just loved it. She was already a scuba diver, I think, and so she caught on really quick. She didn’t get competitive, to get this amazing time, she just really got into it. There was just this natural ability, and also the professionalism – if I am going to do this, I am going to do this well and I am going to know everything.

It was one thing I tried to instil in them, that this was going to be a long shoot, and they only knew a little bit about their character, but you didn’t know any specific scenes, and so to let James Cameron have all the tools at his disposal so Pandora could come to life, I have to equip you with a whole bunch of tools, and experiences, such that when he asks ‘Kate, I need you to do this, or that’, it was easy for me to say ‘it was when we were training like this’, and then should could pull that out of her tool kit, she’d already done it, she knew all the procedures.

As we always do to end these Q&As, what is your most memorable moment diving?

Kirk in a Newt Suit
Kirk in a Newt Suit

A: It’s tough because there are some many different things. When we were shooting The Cove, we were in the Bahamas and my wife Mandy and I were being towed behind a boat looking for dolphins. We couldn’t find any, but then boom, these three dolphins appeared from nowhere. The three were all playing with us, but this one particular animal really was curious – Mandy put out one of her arms and flattened her hand, and the dolphin turned upside down and actively rubbed its belly on her palm. We let go from the sleds and, for the next 45 minutes, it was so interactive and communicative. We were having this discussion on an emotional level, sentient being to sentient being, in a language we both know, it just wasn’t English. We were both crying when we surfaced, and even that night we kept thinking about it, because it touched our hearts.

On the flipside, what is your worst experience diving?

A: Besides pooping in my drysuit and lifting an airplane? Well, something that has hit me recently. I founded the Exploration Diving Society of British Columbia a year or so ago, and we work in all three modes – freediving, technical and non-technical diving. Now, after many years totally focused on freediving, I am getting back into scuba, and doing trimix dives to 60m. I was so adept at technical diving back in the day, but now suddenly, there is this level of anxiety – ‘why am I struggling with this, I hate this’. I am down there, chugging like a machine, having this feeling of claustrophobia. People know me as a freediver, but I am more of a multi-discipline diver. I know I will get there again, it’s just not fun at the moment. It is more the frustration of ‘I used to be really good at this’…

What does the future hold for Kirk Krack?

Kirk Krack
Kirk Krack

A: I am totally dedicated to Avatar and whatever the future sequels hold in terms of a water element. Avatar: The Way of Water is set in our reality, this isn’t the Marvel Universe. This isn’t an alternative reality, this is our reality, just 150 some years into the future. It’s James Cameron’s vision of what space travel will look like, what Pandora looks like, but here’s the cool thing, what human diving will look like – I think the scuba divers and technical divers out there will be salivating because of this vision from the world’s greatest artistic movie director. Avatar: The Way of Water will mark the next renaissance of diving, and I hope I can help the dive industry mentor this and caretake it for the long term – this is going to be the epic water movie of the generation.

I have a number of other things happening – Aquatic Safety International, which are the institutional breath-hold survival programmes, focusing on Waterborne, which will hopefully be the Instagram/Facebook gateway drug into freediving and all things water, and PFI, helping International Training continue to grow it, plus a few consulting roles.

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This article was originally published in Scuba Diver North America #12.

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