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FAA Schedules Additional Yakima, WA GPS Interference Testing

For pilots who are planning to fly in the noted areas during the GPS interference testing period, the FAA advises checking the NOTAMs frequently.
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6-16-17 – The GPS Interference Testing may lead to unreliable or unavailable GPS signals in the designated area during the testing.

The FAA has posted a flight advisory for additional GPS Interference Testing in the Yakima, WA area during dates between June 17 – June 21, 2017. The testing will be happening during the time periods and around the area specified below. During the time that the testing is taking place, the FAA has said pilots may receive either an unreliable GPS signal or no GPS signal at all. And as with their past advisories, the FAA says that pilots should report anomalies “only when ATC assistance is required.

Yakima, WA Area – June 2017 GPS Interference Testing Advisory

Where’s the testing area?

The location is centered at 464130N1200859W or the YKM VOR 044 degree radial at 14NM.

What times and dates will the testing take place?

  • June 17th, 2017 – 1500Z – 1700Z and 2230Z – 2330 Z
  • June 18th, 2017 – 1300Z – 1600Z and 1900Z – 2100 Z
  • June 19th, 2017 – 1500Z – 1700Z and 2230Z – 2330 Z
  • June 20th, 2017 – 1300Z – 1600Z and 1900Z – 2100 Z
  • June 21st, 2017 – 1500Z – 2100 Z

As they have in the past, the FAA is saying that the testing may last the entire outlined period of time.

NOTAM Information

  • NOTAM INFO: NAV (YTC GPS 17-46) GPS (INCLUDING WAAS, GBAS, AND ADS-B) MAY NOT BE AVBL WI A 148NM RADIUS CENTERED AT 464130N1200859W (YKM 044014) FL400-UNL,
    • 148NM RADIUS AT FL250
    • 144NM RADIUS AT 10000FT
    • 144NM RADIUS AT 4000FT AGL
    • 130NM RADIUS AT 50FT AGL

Final Details

For pilots who are planning to fly in the above areas during the testing period, the FAA advises checking the NOTAMs frequently, as they can change with little or no notice. To read the June 2017 GPS interference testing advisory for Yakima, WA, with an area map graphic, click here.


Update 6-10-17: FAA Schedules Additional Fort Polk, LA GPS Interference Testing

The FAA has posted a flight advisory for additional GPS Interference Testing in the Fort Polk, LA area during dates between June 14 – June 18, 2017. The testing will be happening during the time periods and around the area specified below. During the time that the testing is taking place, the FAA has said pilots may receive either an unreliable GPS signal or no GPS signal at all. And as with their past advisories, the FAA says that pilots should report anomalies “only when ATC assistance is required.

Fort Polk, LA Area – June 2017 GPS Interference Testing Advisory

Where’s the testing area?

The location is centered at 310535N/0930350W or the AEX VOR 249 degree radial at 31NM.

What times and dates will the testing take place?

  • June 14th – 18th, 2017 – 1300Z – 2300Z

As they have in the past, the FAA is saying that the testing may last the entire outlined period of time.

NOTAM Information

  • NOTAM INFO: NAV (FTPK GPS 17-34) GPS (INCLUDING WAAS, GBAS, AND ADS-B) MAY NOT BE AVBL WI A 45NM RADIUS CENTERED AT 310535N0930350W (AEX 249031) FL400-UNL,
    • 46NM RADIUS AT FL250
    • 46NM RADIUS AT 10000FT
    • 45NM RADIUS AT 4000FT AGL
    • 23NM RADIUS AT 50FT AGL

Final Details

For pilots who are planning to fly in the above areas during the testing period, the FAA advises checking the NOTAMs frequently, as they can change with little or no notice. To read the June 2017 GPS interference testing advisory for Alamogordo, NM, with an area map graphic, click here.


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