ICAO 24BIT ADDRESS Mode S code

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ICAO 24-BIT ADDRESS(Mode S code)
ICAO ACP WGM 8th MEETING OF THE IRIDIUM
SUBGROUP 13 15 MAR 2007
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ICAO ACP WGM 8th MEETING OF THE IRIDIUM
SUBGROUP 13 15 MAR 2007

• SEVERAL POSSIBILITIES EXIST
• From the ATC Mode S Transponders, the ARINC 429
  Labels 275 and 276 provide the  ICAO 24-bit
  Address .
• (ARINC Characteristic 761, Page 31, Attachment
  1-4, Paragraph 3   ICAO 24-bit aircraft
  address ).
• A CM (Configuration Module) mounted externally to
  the SDU (Satcom Data Unit).
• REMARKS
• An ARINC Characteristic for IRIDIUM Satcom, based
  on the existing  761  maybe helpful for SDU
  manufacturers and operators, knowing that the
  airplane manufacturers already designed and have
  sometimes provisioned airplanes for the  ARINC
  Characteristic 761 .
• This will make easy any retrofit to the IRIDIUM
  System concerning the interfaces between airplane
  and IRIDIUM SDU.

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ICAO ACP WGM 8th MEETING OF THE IRIDIUM
SUBGROUP 13 15 MAR 2007

• SUGGESTION Concerning the ICAO 24-bit Address
  and the telephone number.
• Considering the following ICAO 24-bit address in
  octal coding 76543210
• Why not having the ICAO 24-bit address part of
  the phone number with a prefix indicating that
  the present phone number contains an ICAO 24-bit
  address
• 8816 X76 543 210
• (X indicating a telephone number including an
  ICAO 24-bit Address - To be defined by IRIDIUM)
• No mapping required
• From AES to GES only the first five digits to be
  removed before forwarding the message into the
  ATN.
• From GES to AES only the first five digits to be
  added by IRIDIUM before forwarding the message
  to the airplane.