Cospas-Sarsat Type Approval Certificate Flag
Bit 43 in the Serial User Protocol is used as a flag to indicate
whether or not the Cospas-Sarsat beacon type approval certificate number
is encoded in the beacon message.
If bit 43 is set to 1:
- bits 64-73 should either be set to all "0"s or allocated
for national use and control (and will be made public when assigned
by the responsible administrations) or used as defined for coding
the aircraft 24-bit address or aircraft operator designator and a
serial number;
- bits 74-83 should be encoded with the Cospas-Sarsat type approval
certificate number which is assigned by the Cospas-Sarsat Secretariat
for each beacon model approved according to the type approval procedure
of document C/S T.007. The certificate number is to be encoded in
binary notation with the least significant bit on the right.
If bit 43 is set to 0:
- its 64-83 are for national use and control (and will be made public
when assigned by the responsible administration) or used as defined
for coding the aircraft 24-bit address or aircraft operator designator
and a serial number.
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