Angela is a character who makes a brief one-time appearance in the Season 2 episode titled "HX-1".
Hawke has been knocked out by Dunkirk's gang and dumped in the desert to die. When he comes to, he spots a car approaching driven by Angela. Angela stops for him and Hawke walks over but he collapses from thirst. Angela revives him with some water and wants to take him to a hospital but he asks to be taken to the nearest payphone where he calls for Dominic to collect him in Airwolf.
The name "Angela" is not heard in the episode but it is listed in the closing credits.