Dear pilot,That's the vortex ring ,too intisive decrease of vertical speed occurs vortex and as a consequence huge lost of altitude . we have to focus on the approach.

Considering the full throttle that's a solution I know to avoid crash.

I would like to mention that the huron-chinook 3750 horse power sometimes is not
Properly simulate while sling loading a strider well stuff.Maybe a work to do there.
Thanks

We could provide a kind of Radar on middle class helicopter as navigation tool.

Not a military grade radar but a Civil version.

Please, developer have a look on that.

Everyone work on a better realism there.

Thanks.