(1) Flying to the Highland Park location Deus Ex: HR Guide

After shutting down the antenna (Stopping the Transmission main quest) turn around and go up the stairs to the helipad. Wait until machine piloted by Malik shows up and start interaction (E key, screen above). Confirm that you're ready to fly and wait until you're being transported to the Highland Park location. You'll start completing a new main quest there (The Transmission), related to tracking down a hacker behind the attack on Sarif Industries.

Reward: 1000 experience points.