| Subject | English | Croatian |
| environ. | installation requiring approval | postrojenje za koje je potrebno odobrenje |
| comp., MS | required component | obavezna komponenta (A component that is required for the current component to properly work. For example, a workflow requires an entity to run) |
| transp., avia. | Required Navigation Performance | zahtijevana navigacijska sposobnost |
| transp., avia. | Required Navigation Performance | RNP |