| Subject | English | German |
| tech. | change in flap angle | Klappenverstellung |
| tech. | cowl-flap angle | Kuehlluftklappenwinkel |
| tech. | flap angle | Klappen-Oeffnungswinkel |
| tech. | flap angle | Klappenanstellwinkel |
| racing | flap angle | Flapwinkel |
| tech. | flap butt angle | Stosswinkel (an hinterer Fluegelklappe, Druckluftanlage) |
| transp., avia., mater.sc. | flapping angle | Schlagwinkel der Rotorkreisfläche |