RS-OPS-0417
Grid-07 North Atlantic · 48-hour deployment
AUV-004 held calibration within 0.3% across 48 hours at Sea State 6.
Deployment. AUV-004 released from support vessel at 03:14 UTC on 2026-04-15. Free-swimming mission profile over 48 hours through the Rockall Trough. Recovery at 04:02 UTC on 2026-04-17.
Conditions. Sea State 6 sustained for 34 of 48 hours, peak 7. Water temperature −1.8°C to 2.4°C. Ambient −2°C at recovery.
Hardware. Rockall AUV-004 (revision A). Primary pack, no backups invoked. Sensor package held calibration within 0.3% throughout. Hull remained nominal; coating wear within predicted range.
Outcome. Mission nominal. Recommending revision A continue to qualification trials.