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Old 3rd Jun 2009, 16:53
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win_faa
 
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BlindinG

MD100 wrote - Does anybody know how far can the signal of the ULB (Underwater locator beacon) of the CVR/FDR be detected?

Excellent question. Has it been answered here already?

Are the CVR and FDR separately enclosed units (i.e. will they be in different locations?).

How far will the beeps, or transmissions reach?

If it 3600m under the water, but can transmit 10km, then it surely shouldn't be too difficult to find with the correct technology??
FDR/CVR locator beacon which is known as the "pinger" transmits an acoustic signal at 37.5 Khz and can be detected by a special receiver. The FDR/CVR can be retrieved as long as this "pinger" is still intact on the FDR/CVR. But there is always a chance that the "pinger" can separate from the FDR/CVR in case of high impact.
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