Originally Posted by
HLCPTR
The AW139 Hover Mode does NOT hold a GPS or FMS position. It is a velocity reference. If you have selected "0 velocity" and you drift (such as due to cross wind) it does not return you to the original position.
These discussions providing only partially correct information is what gets people in trouble when they "think" they know the system.
HLCPTR
Very good point! 👍 Direct from RFM/Suppl 69: "The HOV mode utilizes the AHRS ground velocities to maintain hover or low speed flying".