Katharina Hertzfeld
Background
Katharina Hertzfeld is a East Germany. Her husband is Klaus Hertzfeld.
During the events of Airwolf: Season 4 Episode 17 On the Double played by Lucinda Nielsen
Klaus is dropped off at the Paris Air Show and shakes hands with Dr. Victor Hessler who has Strauss open the door to let Katharina out of the car. Katharina tells Dr. Hessler that Klaus would never defect. Mike Rivers, disguised as Klaus, lands his plane and as Katharina goes to congratulate Mike, Achmed drives up in a van with Elan and Terrorist and kidnaps Mike and Katharina. Terrorist shoots Plain Clothesman dead and Strauss shoots Terrorist dead. Elan finds the microphone in Mike's helmet and throws it out of the van and then knocks Mike and Katharina unconscious. She sees Dr. Victor Hessler and Strauss following them and throws a grenade out the back of the van, which then explodes and kills Dr. Hessler and Strauss. Elan and Achmed drag Mike and Katharina into a new vehicle and put an explosive inside the van. Mike and Katharina are locked inside a barn. Omar arrives at the barn in a helicopter and tells Mike he wants him to train his pilots. A fight breaks out and Omar gets into the helicopter and flies off. Klaus is shot in the arm, Jo Santini shoots Elan dead and Mike shoots Achmed dead. Jo and Mike hug while Klaus and Katharina hug and kiss. Later, Klaus and Katharina are granted refugee status.