| Subject | English | Estonian |
| polit., law, fin. | basic instrument | alusakt |
| polit., law, fin. | basic instrument | põhiõigusakt |
| transp., avia. | basic instrument flight trainer | instrumentaallennu esmaimitaator |
| transp., avia. | basic instrument flight trainer | instrumentaallennu algtreeningseade |
| transp., avia. | basic instrument training device | instrumentaallennu esmaimitaator |
| transp., avia. | basic instrument training device | instrumentaallennu algtreeningseade |
| transp., avia. | Basic Instrument Training Device Model | instrumentaallennu algtreeningseadme mudel |
| transp., avia. | Basic Instrument Training Device Model | instrumentaallennu esmaimitaatori mudel |