The fixed recording medium should be installed in a fixed
protective capsule which should meet all of the following requirements:
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.1 be capable of being accessed following an incident
but secure against a physical or electronically manipulated change
or deletion of recorded data;
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.2 maintain the recorded data for a period of
at least two years following termination of recording;
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.3 maximize the probability of survival against
fire, shock, penetration and deep-sea-pressure and recovery of the
final recorded data after any incident;
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.4 be of a highly visible colour and marked with
retro-reflective materials; and
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.5 be fitted with an appropriate device to aid
location under water.