Marine Mammal Incidental Take – SURTASS LFA Sonar (NMFS/MMPA)
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-07-28 — Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean: NMFS issued final MMPA regulations (August 2026–August 2033) authorizing the U.S. Navy to incidentally take marine mammals during SURTASS LFA sonar training and testing in the western/central North Pacific and eastern Indian Oceans, subject to mitigation, monitoring, and reporting requirements — a routine 7-year renewal of ongoing military-readiness authorization. (novelty: 2)
Open questions
Related
Contributing findings
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean
28-jul-2026
novelty 2
per-area 2
introduces