The Steel Gate Chief Archaeologist wants you to transport 3 Sacks of Relics from the bottom of the site and take them to the platform on the north or south side of Steel Gate. Use the grappling hook on the flying machine to do this. Report back to him after you've done so.
3x Sack of Relics Delivered
Well, what are you waiting for, there's work to be done!
Here's the keys to our flying machine. Grab three sacks of relics and haul them up to the crane platforms on the north and south sides of Steel Gate. I'll mark them for you.
Hurry up! We haven't got all day!