The way that information is being released over this accident is a little concerning. As time passes, it is now apparent that the helicopter was in sight of the ship and crew and they witnessed the crash. Now it appears that the helicopter was engaged in a high-speed low-level pass;
Quote
... "Multiple defence sources tell CBC News that at the time of the crash, the Cyclone was conducting a high-speed, low-level photo pass of HMCS Fredericton, a manoeuvre known in the air force as a "Brownie Run" after a NATO standard camera.
Without warning, the helicopter suddenly pitched forward and "flew into the ocean," said the sources, who were granted anonymity because of the sensitivity of the investigation."...
The official focus is on the flight control system and software, but let's not get too far without ensuring an investigation that starts with including what exactly was going on at the time.
https://www.cbc.ca/news/politics/cyc...rces-1.5566656