So, this poll has been up for a week, very good response, thanks to everyone for participating. Of course, this sample has all the usual caveats of a poll conducted on SB. I was interested in the distribution of configurations used for diving, but, was more interested in the frequency of AI use and the choice to dive with redundancy.
Not surprisingly, the most common configuration is a non-AI computer and a SPG. I was somewhat surprised that an AI computer, a non-AI computer, and a SPG ranked 2nd. I have been diving this configuration since 2010. Both an AI computer alone and 2 non-AI computers and a SPG were commonly employed. Few divers responded that they dive tables, timer/depth gauge, and SPG.
Nearly half reported that they dive with an AI computer. I was somewhat surprised by the frequency, but this has probably been significantly influenced by the introduction of the Perdix AI and the Teric. Forty percent dive with a redundant computer, a third dive with a redundant instrument to measure gas, and about a quarter with redundancy for computing and gas. Counting 2 AI computers as redundant for gas can be argued, 2 transmitters is a yes, one transmitter, not exactly. The poll did not differentiate between hoseless and hosed AI.