| Subject | English | German |
| tech. | attitude reference for auto-control and display | Fluglage-Bezugssystem |
| transp. | attitude/heading reference system control unit | AHRS-Bedienungsgerät |
| comp., MS | OCR reference control | OCR-Referenzkontrolle (A service from BGC that confirms the validity of an OCR reference number in the BG Max file. The user can confirm only the digits or also confirm the character length) |
| tech. | reference control | Führungsregelung |
| auto.ctrl. | reference-variable feedforward control | Regelung mit Führungsgrößenaufschaltung |
| auto.ctrl. | reference-variable response of the control system | Führungsverhalten des Regelkreises |