If you wish to contribute or participate in the discussions about articles you are invited to join SKYbrary as a registered user
Area Proximity Warning
From SKYbrary Wiki
Revision as of 11:41, 26 February 2008 by Editor1
Area Proximity Warning (APW) is a ground based safety net which uses flight path prediction to warn the controller when an aircraft is, or is predicted to be, flying into a region of protected airspace, such as danger areas, prohibited areas and restricted areas.
See also the EUROCONTROL Safety-Net Web-site http://www.eurocontrol.int/safety-nets/public/subsite_homepage/homepage.html