Glossary
- C&M:Control & Monitoring
- C/A:Coarse Acquisition
- C1:C-band uplink frequency (C1 = 6.4 GHz)
- C2:C-band downlink frequency (C2 = 3.6 GHz)
- CAA:Civil Aviation Authority
- CAASD:Centre for Advanced Aviation System Development
- CADM:Configuration And Data Management
- CAT-1:Category 1 Precision Approach Phase of Flight
- CAT-2:Category 2 Precision Approach Phase of Flight
- CC:Configuration Control or Core Computer
- CCB:Change Configuration Board or Configuration Control Board
- CCF:Central Control Facility
- CCI:Communications Control Interface
- CCITT:Comite Consultatif International Telegraphique et Telephonique or International Telephone and Telegraph Consultative Committee
- CCN:Contract Change Notice
- CDI:Course Deviation Indicator
- CDMA:Code Division Multiple Access
- CDR:Critical Design Review
- CE:Communication Equipment
- CEU:Commission of the European Union
- CFI:Customer Furnished Item
- CHA:Channel of High Accuracy
- CI:Configuration Item
- CIDL:Configuration Items Data List
- CIO:Conventional International Origin
- CL:Client representative
- CM:Compliant Multiple or Configuration Manager or Configuration Management
- CMO:Configuration Management Office
- CMP:Configuration Management Plan
- CMT:Centre de Mission et Traitement (Euridis) or Commissioning and Maintenance Terminal
- CN:Change Notice
- CNES:Centre National d’Etudes Spatiales
- CNMS:Communication Network Management System
- CNS:Communications Navigation & Surveillance
- CO:Change Order
- COC:Certification Of Conformance
- COQ:Certification of Qualification
- COS:Continuity Of Service
- COTS:Commercial Off The Shelf
- CPF:Central Processing Facility
- CPU:Central Processing Unit
- CR:Change Request
- CRB:Change Review Board
- CRC:Cyclic Redundancy Check
- CRD:Comment Response Documents (at EASA)
- CSA:Channel of Standard Accuracy
- CSAR:Configuration Status Accounting Report
- CSI:Containment Surface Incident
- CSU:Channel Service Unit
- CW:Continuous Wave
- CFSP:
Common Foreign and Security Policy
- CARG:
Compound Annual Rate of Growth