Outward-bound.

Proceeding or directed outward, going away from home; (esp. of a ship) going from a home port to a foreign one. Also as n.

Directed towards a point in advance, onward; also ‘outward’ as opposed to ‘return’.

That is going down (in various senses); esp. (of a vehicle, vessel, etc.) bound in a southerly direction, to a lower region, or away from a…