Re: FDR/CVR recovery aids

From: (Ed Hahn)
Organization: The MITRE Corporation, McLean, Va.
Date:         27 Feb 96 23:00:30 
References:   1
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Can't answer all of these questions, but: (David Lesher) writes:
> The recorders squwak, I know, to help in their recovery.
> With just sonar ping, or RF too?

It's an ultrasonic periodic pinging.  No RF.  The actual units are
called underwater locator beacons (ULBs), and are about the size of a
small flashlight.  They are bolted onto the front of the FDR/CVR
casing, and are battery powered.


--------   Ed Hahn | | (703) 883-5988   --------
The above comment reflects the opinions of the author, and does not
constitute endorsement or implied warranty by the MITRE Corporation.
Really, I wouldn't kid you about a thing like this.