| Subject | English | Thesaurus |
| avia. | accepting unit/controller | Air traffic control unit/air traffic controller next to take control of an aircraft. (See definition of 'transferring unit/controller'.) |
| IT, abbr. | Cartridge Tape Transport Controller | CTTC |
| IT, abbr. | Controller Configuration Facility | CCF |
| avia. | controller-pilot data link communications | A means of communication between controller and pilot, using data link for ATC communications. |
| abbr., textile | EH-controller | electric hemming controller |
| abbr. | logic controller | logical controller (ssn) |
| progr. | major feature of programmable logic controllers | major feature of PLC's (ssn) |
| plast., abbr. | Programable Logic Controller | PLC |
| IT, abbr. | Programmable Logic Controller | PLC (IC) |
| abbr., file.ext. | Programmable Logic Controller | PLC |
| avia. | radar controller | A qualified air traffic controller holding a radar rating appropriate to the functions to which he is assigned. |
| avia. | rated air traffic controller | An air traffic controller holding a licence and valid ratings appropriate to the privileges to be exercised . |
| avia. | receiving unit/controller | Air traffic services unit/air traffic controller to which a message is sent. (See definition of 'sending unit/controller'.) |
| avia. | sending unit/controller | Air traffic services unit/air traffic controller transmitting a message. (See definition of 'receiving unit/controller'.) |
| abbr., inet. | Sensor Programmable Logic Controller | SPLC (inn) |
| comp., abbr. | Small Logic Controller | SLC |
| avia. | transferring unit/controller | Air traffic control unit/air traffic controller in the process of transferring the responsibility for providing air traffic control service to an aircraft to the next air traffic control unit/air traffic controller along the route of flight. (See definition of 'accepting unit/controller'.) |