Tower view panning in FSX
From Menu select Options/settings/controls.
In Setting Control panel select centre tab Button Keys
Scroll to bottom and 8th up, double click View track/pan (toggle)
In change assignment window, select a keyboard key (T) for tower
Click OK. Click OK again to get back into FSX
Select tower view then press (T) on the keyboard.
You can now pan around the airport using you hat switch.
Or Press Shift+o and use your mouse (mouse wheel will zoom)
Sit back and enjoy