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Printed page 37. PDF page 45.
flight recorders which would have permitted delays between parameter input and recording (buffering) of up to % second. These standards are intended to form the basis of new CAA specifications for flight recorders and may be adopted worldwide. The analysisOpen official document at PDF page 45AAIB Aircraft Accident Report 2/90: Boeing 747-121 N739PA, Lockerbie
Printed page label not indexed. PDF page 46.
of the delays external to the recorder, it is possible to reduce any data loss due to buffering of data within the data acquisition unit. It is, therefore, recommended that manufacturers of existing recorders which use buffering techniques give considerationOpen official document at PDF page 46AAIB Aircraft Accident Report 2/90: Boeing 747-121 N739PA, Lockerbie
Printed page 58. PDF page 66.
course of the investigation : 4.1 That manufacturers of existing recorders which use buffering techniques give consideration to making the buffers non-volatile, and the data recoverable after power loss. 4.2 That Airworthiness Authorities re-consider the concept of alloOpen official document at PDF page 66AAIB Aircraft Accident Report 2/90: Boeing 747-121 N739PA, Lockerbie