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Positioning Application: Does the LAAS implementation support DO-246D / GAST-D / CAT II-III services?

Environment/Versions
  • PosApp (SimGEN)
  • GSS4150
  • Working with LAAS signals
  • Interface document DO-246
Answer
  • At the current time Spirent support message types 1, 2 & 4, in accordance with DO-246C (GAST-C)
    • GBAS Approach Service Type C
    • Covers CAT I precision approach
  • Note that DO-246C mentions some message content in Message Type 2 and 4 that are "yet to be harmonised" and as such are not part of our standard implementation for LAAS.
  • No other message types are supported
  • There are no current plans to implement DO-246D 
    • GAST-D services and CAT II/III precision approach are mentioned in this release of the document

Product : SimGEN,PosApp,LAAS,GSS4150