In late afternoon of Saturday, 20 October, a Mexican Navy helicopter crashed into the ocean while engaged in anti-poaching patrols over the vaquita refuge in the Upper Gulf of California (aka Sea of Cortez). 11 of the 12 helicopter crew were rescued, with two seriously injured and one missing.
The MI-17 helicopter was in the middle of a patrol, ensuring the marine protected area in the Upper Gulf of California was free from illegal activities, when it apparently lost control and crashed into...
https://safety4sea.com/watch-mexican-navy-helicopter-crashes-into-the-ocean-during-patrol/