Can't add much to this except that wind was 10-15 meters per second. I'm used to mph or kp/h so I can't translate the above, but weather has been discounted as a problem.
Yes, all 14 aboard apparently perished because the copter plunged into the Gulf of Finland and did not feather into the water. The crash happened 3-5 minutes after takeoff.
As has been pointed out in above posts, the company has enjoyed a good safety record during the 10 years it has been in operation. We're also talking about two experienced Finnish pilots and not some ex-Soviet cowboys, whose last command was a Hind.