The ACO website will be down 20 Mar 2017 18:00 to 22 Mar 2017 06:00 UTC (20 Mar 2017 08:00 to 21 Mar 2017 20:00 HST) for maintenance.

Please subscribe to the ACO-status mailing list for future ACO operational advisories and alerts.

The CTD3 installed on BSP2 was shutdown on 2016/09/24 at 00:30UTC until further notice to prevent interference with the DQ pressure sensor.

New ACO instruments were installed during the ACO-3 cruise on 2014/11/01. Click here for ACO-3 videos.

Streaming audio from the ALOHA Cabled Observatory

Windows Media Player (Internet Explorer Only)

Mobile Device

If you would like to listen to this stream with your application of choice, copy and paste the following URL into your application: http://aco.soest.hawaii.edu:8000

Streaming audio with spectragraph (RealPlayer required: Windows Mac)

Click here to listen and view the spectragraph