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    Interface ExtendedSquitterAcasRaBroadcast

    A DF17/18 extended squitter aircraft status message (type code 28, subtype 2 - ACAS/TCAS Resolution Advisory broadcast). Lets aircraft without interrogation capability see that a nearby aircraft has an active RA. Carries the same BDS 3,0 content as a DF16 reply's resolutionAdvisory.

    interface ExtendedSquitterAcasRaBroadcast {
        icaoHex: string;
        kind: "extendedSquitterAcasRaBroadcast";
        messageSource: MessageSource;
        resolutionAdvisory: AcasResolutionAdvisoryReport;
    }

    Hierarchy (View Summary)

    Index
    icaoHex kind messageSource resolutionAdvisory
    icaoHex: string

    24-bit hex address from the message's AA field. A real, registered ICAO Mode-S address when messageSource is icaoDirect/icaoTisb/adsr - an anonymous or ground-assigned identifier, not a registered ICAO address, when messageSource is anonymousDirect/anonymousTisb.

    kind: "extendedSquitterAcasRaBroadcast"

    Discriminant tag identifying this as a decoded type-code-28 subtype-2 ACAS Resolution Advisory broadcast.

    messageSource: MessageSource

    Where this message's address and data actually came from - see MessageSource.

    resolutionAdvisory: AcasResolutionAdvisoryReport

    The active Resolution Advisory report.

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