Alternate Gas Backup Computer

[tbone1004]

Old or not, they reprinted it this year, indicating the organization (or at least the editor) still stands behind the advice

no it doesn't, just means that it got published. Also doesn't make the editor an authority on the topic, nor does it make the writer. Care to publish who the writer is? I'm travelling and don't have that copy with me and it's not on their website. The editor is a journalist, he is not qualified to verify content. I'm genuinely curious who wrote this though because the odds

 

[arew+4]

This quoted material is taken from a Q3 Summer 2011 article by Nicholas Bird in ALert Diver, called "Stacking the Deck."

Stacking the Deck

Dive safety is imperative and little precautions and steps you take can collectively make a big difference. Read more on dive safety.

dan.org

Nice to know we've learned nothing in over a decade.

His Bio, I guess

Dr. Nick Bird

In 2010, DAN hired it's first chief medical officer, Dr. Nick Bird. Read more about how Dr. Bird came to work at DAN.

dan.org

 

[tbone1004]

@arew+4 so you're saying they just republished it?

 

[arew+4]

Yes, it was in the special safety edition that just arrived at my domicile, picture included in the original mention of it.

 

[tbone1004]

Yes, it was in the special safety edition that just arrived at my domicile, picture included in the original mention of it.

while Dr. Bird is certainly a highly qualified researcher, I would say that republishing that article is doing nothing but a disservice to the community as that information is extremely dated and the computers we use have changed a lot in the last decade in terms of their capabilities to adjust conservatism.
There are a lot of people that have contributed to this thread with a lot more authority on actual diving techniques and I would recommend following the current recommendations vs ones that are a decade old. Hell, 10 years ago many people thought bubble models were a good idea.....