Advantages:
- Cruise control: perfect in all sea condititions
- Mooring operations : pricise and easy
- Easy turn control
- Stability: increased in all conditions
- Glide speed : very slow - at 7 kts only
- Cleaning and changing propeller: from board
- No propeller risk for divers
- Transportable by trailer
- Long range delivery by container
http://olive.www5.50megs.com/avant22