AMC1 ADR.AR.B.020(a) Record-keeping

• ED Decision 2014/012/R found in: Aerodromes (139/2014) Part-ADR.AR Part-ADR.OR Part-ADR.OPS CS-ADR-DSN CS-HPT-DSN (Dec 2024)

AMC1 ADR.AR.B.020(a) Record-keeping ED Decision 2014/012/R GENERAL (a) The record-keeping system should ensure that all records are accessible whenever needed within a reasonable time. These records should be organised in a way that ensures traceability and retrievability throughout the required retention period. (b) Records should be kept in paper form, or in electronic format, or a combination of both media. Records stored on microfilm or optical disc form are also acceptable. The records should remain legible and accessible throughout the required retention period. The retention period starts when the record has been created or last amended. (c) Computer systems should have, at least, one backup system which should be updated within 24 hours of any new entry. Computer systems should include safeguards against unauthorised alteration of data. (d) All computer hardware used to ensure data backup should be stored in a different location from that containing the working data, and in an environment that ensures they remain in good condition. When hardware or software changes take place, special care should be taken that all necessary data continue to be accessible, at least, through the full period specified in [ADR.AR.B.020(c) and (d)](#_DxCrossRefBm151829855). AMC1 ADR.AR.B.020(a) Record-keeping ED Decision 2014/012/R GENERAL (a) The record-keeping system should ensure that all records are accessible whenever needed within a reasonable time. These records should be organised in a way that ensures traceability and retrievability throughout the required retention period. (b) Records should be kept in paper form, or in electronic format, or a combination of both media. Records stored on microfilm or optical disc form are also acceptable. The records should remain legible and accessible throughout the required retention period. The retention period starts when the record has been created or last amended. (c) Computer systems should have, at least, one backup system which should be updated within 24 hours of any new entry. Computer systems should include safeguards against unauthorised alteration of data. (d) All computer hardware used to ensure data backup should be stored in a different location from that containing the working data, and in an environment that ensures they remain in good condition. When hardware or software changes take place, special care should be taken that all necessary data continue to be accessible, at least, through the full period specified in [ADR.AR.B.020(c) and (d)](#_DxCrossRefBm1800046762). ##### AMC1 ADR.AR.B.020(a) Record-keeping *ED Decision 2014/012/R* **GENERAL** (a) The record-keeping system should ensure that all records are accessible whenever needed within a reasonable time. These records should be organised in a way that ensures traceability and retrievability throughout the required retention period. (b) Records should be kept in paper form, or in electronic format, or a combination of both media. Records stored on microfilm or optical disc form are also acceptable. The records should remain legible and accessible throughout the required retention period. The retention period starts when the record has been created or last amended. (c) Computer systems should have, at least, one backup system which should be updated within 24 hours of any new entry. Computer systems should include safeguards against unauthorised alteration of data. (d) All computer hardware used to ensure data backup should be stored in a different location from that containing the working data, and in an environment that ensures they remain in good condition. When hardware or software changes take place, special care should be taken that all necessary data continue to be accessible, at least, through the full period specified in [ADR.AR.B.020(c) and (d)](#_DxCrossRefBm1262884300).