Sikorsky S-64 Skycrane helicopter accident in downtown Oakland.
https://www.youtube.com/watch?v=XlTJDcLbLOg
Previously:
https://www.homemadetools.net/forum/...142#post165164
https://www.homemadetools.net/forum/...066#post160732
https://www.homemadetools.net/forum/...508#post173839
https://www.homemadetools.net/forum/...220#post134788
https://www.homemadetools.net/forum/...386#post161864