13.11.1 To assist in casualty investigations,
all passenger craft, including existing passenger craft, should be
fitted with a voyage data recorder (VDR).
13.11.2 The Administration may exempt passenger
craft, other than ro-ro passenger craft, from being fitted with a
VDR where it can be demonstrated that interfacing a VDR with the existing
equipment on the craft is unreasonable and impracticable.
13.11.3 The voyage data recorder system, including
all sensors, should be subjected to an annual performance test. The
test should be conducted by an approved testing or servicing facility
to verify the accuracy, duration and recoverability of the recorded
data. In addition, tests and inspections should be conducted to determine
the serviceability of all protective enclosures and devices fitted
to aid location. A copy of the certificate of compliance issued by
the testing facility, stating the date of compliance and the applicable
performance standards, should be retained on board the craft.