Possible Clues:

• Be still up there to get the capital of Holland finished
• Protect, in a way, with 'over'
• Be stationary in the air
• Hit it off with again and hang around
• What some cross-Channel craft do in South coast resort? Right
• The helicopter will do this above one at last
• Hawk's heading across the sky — so remain there?
• Wait around (like a kestrel)
• What a helicopter may do to have the capital of Holland finished
• Show protectiveness