NATCA Bookshelf

National Office Week in Review: April 5, 2017

A publication of the National Air Traffic Controllers Association

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ASEPS continues to explore a reduced oceanic separation standard. This may be supported by Space Based ADS - B (SBA) or with cha nges to ADS - C, currently used in ATOP. In any environment, including oceanic, separation standards are closely tied to the combined performance of Communication, Navig ation, and Surveillance (CNS). While SBA represents are dramatic change in surveillance, little is changing in the ability to communicate with aircraft. To date, the Agency has stated that communication is "out o f scope" for the ASEPS effort. Reducing separation standards without a change in communication affects response tim es and much more. NATCA ATOP SMEs have also weighed in during our SRMPs that ADS - C backup is desired even with the introduction of SBA. ASDE - X Tech Refresh: Testing has completed on next wave of system enhancements . PHL is next to receive those enhancements . ASSC: IOC (In itial Operational Capability) achieved at CLE on March 26th. ORD (Operational Readiness Decision) for SFO and CLE scheduled for the next two month s . Design review meetings scheduled for ANC, CVG , and PDX scheduled for April. There is a major risk to the CVG timeline due to Amazon building a 1.9 million square foot facility on the airport. This construction ha s significant effects to the RU s (remote units) that are a major part of the system. Discussions are ongoing and it is still unclear as to how the pr oject will proceed. ERAM Fusion A Track Based Display Mode (TBDM) SRM Panel was held March 14 - 16 at Seattle Center. NATCA was represented by Anthony Goodwin (ZSE), Kevin Miller (ZSE ERAW), Ken Shifflet (ZMA), and Eric Labardini. The goal of TBDM is to a llow expanded use of 3NM separation below FL230. This includes supporting 3NM separation with ADS - B regardless of any distance from a radar site or ADS - B Radio Station. The p anel discussions revealed that a critical element is needed within SBS infrastruc ture be fore the goal can be realized. In addition, further discussion on the Erroneous Position hazard for this specific SRMD were postponed until additional data can be presented. TBDM will be an incremental step towards an ERAM Fused Display Mo de (FDM) change in the future. This is currently being prototyped, and FDM will allow display rates to be independent of the spee d of the surveillance sources. A faster update rate would potentially allow expanded use of 3NM separation above FL230. FMA in Fusion: Safety a nalysis is nearing completion. Operational evalu ation and SRMP have concluded. The SRMD is to be circulated for approval. Timelines continue to project an operational start by mid - 2017. GIM - S: GIM - S activity still largely halted until some of the bigger issues are addressed.

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