| Abbreviation | Designation | |
|---|---|---|
| ZZA | Zugzielanzeiger (German) destination sign | rail transport operations |
| MFA | Modulare Führerraumanzeige (German) | railway technology |
| Mfå | Mariefreds ångbåtsstation (Swedish) | station code |
| MFA | Mikrorechnergesteuerter Fahrkartenautomat (German) | railway technology |