NATCA Bookshelf

National Office Week in Review: April 5, 2017

A publication of the National Air Traffic Controllers Association

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address the safety issues associated with this requirement. AJI is reviewing the requ est. The new order is currently in the review process. SURVEILLANCE BR OADCAST SERVICES (SBS) OFFICE Eric Labardini (ZHU) is the Article 114 Representative to the SBS Office. Below is the update for SBS. The NATCA Surveillance and Broadcast Services (SBS) team includes: Eric Labardini (ZHU), National SBS Article 114 Rep, Craig Bielek (A90), Dan Hamilton (SFO), National Airport Surface Surveillance Capability (ASSC) Rep, Andrew Stachowiak (I90), and Tom Zarick (ZDV), National Interval Management Rep . ADS - B: As of March 1, 2017, the number of Rule Compliant ADS - B Out in the U.S. reached 26,067. ADS - B I n equipped aircraft reached 23,462. Current equipage levels are falling short of the projected numbers needed to reach the Jan 1, 2020 deadline to equip wit h ADS - B. Avionics Installation capacity NAS - wide could also be exceeded t he longer users wait to equip. So far, the Agency has been cl ear that the deadline is firm. Time will tell, as the deadline looms closer. Most, if not all, a ir c arriers have provided the Agency wit h a plan to meet the deadline. The military, as previously released in the press, expects to be unable to meet this deadline for several versions of the ir fighter and older aircraft. They are working with the Agency on a compromise that req uires DOD radar availability at key sites to be identified. GA equipage is a harder question and being carried as a h igh r isk by the SBS Program Office. Increased avionics availability and competition among manufacturers continues to bring the overall cos t for GA users down. In addition, the Agency has initiated another rebate program and it is showing some interest, but not as high as expected. The SBS PO very rough estimate of avionics installation capacity nationwi de is 50,000 aircraft per year. Users that wait too close to 2020 may find that the capacity for insta llation falls short of demand. Facilities may see these GA ADS - B operators flying more check flights as they attempt to validate their installations and claim the rebate. An issue not screene d by automation systems but an important assumption for future ADS - B dependent applications is the b roadcast call sign of the user. ADS - B sends this information to automation systems for comp arison to the filed call sign. When a mismatch occurs a Call Sign Mismatch (CSMM) alert can be generated. The number of CSMM conditions present across NAS wide has been such that it is unreasonable to re commend enabling these alerts. The Agency continues to work on reducing the numbers. ADS - B IOCs have been completed a t all En Route (ERAM and MEARTS) facilities. All but one ERAM site has promoted ADS - B t o the top of their sort cells. ZMA intends to wait until the end of FY17 to do so.

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