Automatic Dependent Surveillance (ADS) is a surveillance technique in which an aircraft or uncrewed system automatically derives its position, altitude, velocity, and identity from onboard navigation equipment and periodically broadcasts that data over a datalink. In translated aerospace documentation, the term appears in avionics manuals, airspace procedure texts, operational specifications, and unmanned traffic management materials, where the abbreviation ADS-B must be expanded consistently and distinguished from ground-based radar surveillance.
Translators encounter this term in avionics component manuals, airspace integration documents for uncrewed aircraft systems, and operational texts describing surveillance requirements. It also appears in software localization for cockpit displays or ground-control station interfaces when abbreviating traffic information such as ADS-B IN/OUT. During editing, consistency matters because the same concept recurs in UI strings, abbreviation lists, and explanatory notes.
A frequent error is expanding ADS to 'Automatic Dependent System' or rendering 'dependent' in a way that suggests the aircraft depends on ground interrogation. This misses the core distinction: the aircraft provides its own derived position rather than being prompted by radar. Another mistake is treating ADS-B and transponder as synonyms; they are related but not identical, and conflating them in maintenance or operational text can misstate actual surveillance equipment requirements.
EASA and CE certification impose language requirements on maintenance and safety documentation. These terms carry airworthiness and liability implications, so they are rendered against the governing standard rather than translated freely.
Angel Translation locks terms like this into a project terminology base before expert review begins, so the same source term resolves to the same target term across every document in a submission — and stays consistent in the next revision. See the 8-step AI + expert workflow.
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