How deep on air?

[Nemo]

I did the blue hole in Belize too! Very nice. I was at 140+ on air which was deep enough to get to the huge stalactites. Besides there wasn't a lot past there to see. We stayed down 8 minutes I think. I have been to max 170 on air on another dive but for just a very short time..a minute or so. There wasn't much to see there anyway. Unless you're going to get a look at a shark or something else down there of interest it aint really worth going down there. Less to see and you shorten your dive time and your dive com will nag you a lot on the next dives if you don't have one made for deco diving.

[Papa Bear]

Here is video in the Blue Hole to 171ft! Even running a smooth camera at that depth is hard! http://twotankedproductions.com/trav...ressoriii.html

[The Publisher]

On a closed circuit rebreather with air as the diluent 165 feet which is the deepest I have been is the equivalent to being on air as far as nitrogen loading.

[Nemo]

At 171 ft you must have been near that ridge below the stalactites. Is that where you saw the devil ray from? Nice spotting anyway! You really lucked out!

[divertim]

Been to 180 ft by accident. Spearfishing in the Gulf and didn't realize I had gone that deep. Computer said it was time to leave. I really didn't feel any different at that depth.... well at least that is what I thought at the time.. Tim

[Okeanos]

Quite happy at 60m (180') in the UK, 80m (240') abroad in warm waters. But, only if I need to.

I prefer the CCR with an END of around 20m (60') for anything deeper than 40m (120').

[Nemo]

240 feet on air? I see you like Russian Roulette! Haha.

[BigBlueTech]

This is a huge debate that's been going on for a longe time. How deep on air is really up to you and your training.

There's the ridiculous 100m club in egypt that do it on air with a bounce dive. And then GUE say after 40m you should be on trimix.

I think everyone is different, i've dove to 80m on air before, it was a difficult dive and a working dive too but sometimes it needs to be done. I would never recommend anyone else do that but sometimes dive theory about partial pressure is exactly that.. theory.

I would say for most, in my honest opinion, 55m is the max, any more then that and you get penalized in a huge way for decompression.

[chokdeekap]

i have done 56 meters on air in Dahab Egypt, i was young and stupid at the time would i do it again no!

[myscubastory]

Stay within the limits! Its hard to imagine how quick things can turn bad