Flying After Diving
At Shearwater, we place a high value in the work being done by the scientific community relating to diving and decompression theory. We do our best...
Petrel Firmware V29 is Released
The following is a list of improvements provided by the latest firmware version for the Petrel. This download is recommended for all users of the Petrel and Petrel2 dive computers.
NERD v10 Update Reason
A problem in NERD firmware v09 for DiveCAN models has been identified. It affects the PPO2 used for decompression calculations. Any DiveCAN users o...
NERD Firmware V09
Release notes for the NERD Firmware V09. Released on June 17, 2015.
Should rebreather divers prebreathe test their rebreathers prior to a dive?
For many years it has been common practice for rebreather divers to start breathing from their rebreather prior to the dive. There has been a recen...
Shearwater Spans the Globe
We were very busy at Shearwater during the month of March. We managed to trot around the globe to 3 different trade shows: OZTek Dive Conference & Exhibition, Dive Resort Travel Shanghai, and Beneath the Sea.
Shearwater and the CNS Oxygen Clock
The question of what CNS oxygen exposure is safe can spark heated debate among technical divers. This reflects the seriousness of CNS oxygen toxicity when diving. This article sidesteps that debate, and focuses solely on how Shearwater dive computers calculate the CNS value.
Shearwater Desktop 2.4.0
Release Notes for Shearwater Desktop 2.4.0. Please note that firmware updates are not installed without the user's permission; the update process is still only instigated by the user.
Battery Contact Issues on Petrel 1
Shearwater has a strong commitment to quality. In the year following the launch of the Petrel 1 dive computer, we received reports of divers who we...