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ICAO CIR326
- Circular 326 - Assessment of ADS-B and Multilateration Surveillance to Support Air Traffic Services and Guidelines for Implementation (Cir 326 AN/188)
- Bulletin / Circular by International Civil Aviation Organization, 2012
- Publisher: ICAO
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Automated Dependent Surveillance - Broadcast (ADS-B) and Multilateration (MLAT) are additional forms of electronic surveillance that may be used to support air traffic services in en-route and terminal area operations. ADS-B and MLAT may be introduced in areas that are either not served or are partially served by radar. Circular 326 contains the safety assessment carried out to conclude that ADS-B and MLAT may be used to provide a three (3) nautical mile separation minimum. Additionally, the document provides guidelines for the implementation of the minimum.Note: Appendices are available in English only
