Scuba Diver News: Irish CCR diver Dave Hearne passed away after ‘oxygen spike’

Mark Newman
on October 9, 2020
at 2:38 pm

00:08 Dave Hearne Inquest
00:52 Sponsor a lamp post in Costa Rica
02:26 Two-ton elephant seal takes to the streets
03:08 Three Peaks Challenge
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Latest Podcast Episode from Scuba Diver Mag

Mark Newman

I’ve been scuba diving my entire professional career in both beautiful crystal clear waters of the Tropics to the not-so clear waters around the world. Diving up in the Arctic Circle and marine conservation work down in remote Madagascar. As a full-time scuba Instructor I taught divers in both warm and cold waters and lead countless dives.

But, my main specialty is dive equipment. Since 2010 I’ve been working with a wide range of scuba diving brands and 8 years working for one of the largest scuba diving retailers with hands-on experience with cutting edge dive equipment.

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00:00 Introduction
00:52 Ad Time
01:51 Signal Methods
04:07 Basic Hand Signals
09:56 Scuba Number Hand Signals
11:09 Hand Signals for Things
14:14 Airway Signals
16:16 Surface Hand Signals

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS42MzE1QTJBMEI3NjI4Rjk5

Scuba Essential Hand Signals #scuba #signal

@dekkerlundquist5938
#ASKMARK Hello Mark, while out diving recently I talked to an experienced diver who was diving with twins but did not have any manifold on them, i.e. each cylinder had a first stage with a primary and an SPG. One cylinder had the low pressure inflator for his BC. What are the pros and cons of a manifold setup versus independent twins?

#scuba #scubadiving #scubadiver
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00:00 Introduction
00:40 What's the point of independent twins?
01:06 Answer

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS44QjI0MDE3MzFCMUVBQTkx

What's The Point of Independent Twins? #askmark

@nickthomas4567
#askmark if using a transmitter do you still need a spg? I do on my main, but not currently on my stage, a transmitter only, it’s a new setup so after a little advice. Thanks Nick

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Do We Still Need SPGs? #askmark #scuba

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Mila

1 year ago

There’s my dad :(

Inspire Scuba

3 years ago

This makes my heart hurt. I hope his family has been able to find some sort of closure.

Yggdrasil42

3 years ago

I’m always sad to hear about CCR deaths. I’m intrigued by the tech behind them and am sure they’re the future of scuba diving, but it’s clear we’re still not at the level of reliability we’ll need.