FEDERAL AVIATION ADMINISTRATION
FLIGHT ADVISORY GPS Interference Testing CHLK GPS 16-08 07-30 June, 2016 China Lake, California
GPS testing is scheduled as follows and may result in unreliable or unavailable GPS signal. A. Location: Centered at 360822N1173846W or the BTY VOR 214 degree radial at 059 NM. B. Dates and times:
7 JUN 16 1630Z – 2230Z
9 JUN 16 1630Z – 2230Z
21 JUN 16 1630Z – 2230Z
23 JUN 16 1630Z – 2230Z
28 JUN 16 1630Z – 2230Z
30 JUN 16 1630Z – 2230Z
C. Duration: Each event may last the entire requested period.
D. NOTAM INFO: NAV (CHLK GPS 16-08) GPS (INCLUDING WAAS, GBAS, AND ADS- B) MAY NOT BE AVBL WI A 476NM RADIUS CENTERED AT 360822N1173846W (BTY 214059) FL400-UNL DECREASING IN AREA WITH A DECREASE IN ALT DEFINED AS: 432NM RADIUS AT FL250
375NM RADIUS AT 10000FT 340NM RADIUS AT 4000FT AGL 253NM RADIUS AT 50FT AGL
THIS NOTAM APPLIES TO ALL AIRCRAFT RELYING ON GPS. ADDITIONALLY, DUE TO GPS INTERFERENCE IMPACTS POTENTIALLY AFFECTING EMBRAER PHENOM 300 AIRCRAFT FLIGHT STABILITY CONTROLS, FAA RECOMMENDS EMB PHENOM PILOTS AVOID THE ABOVE TESTING AREA AND CLOSELY MONITOR FLIGHT CONTROL SYSTEMS DUE TO POTENTIAL LOSS OF GPS SIGNAL.
Affected Centers:
E. Pilots are encouraged to report anomalies only when ATC assistance is required.
Full Advisory can be read here
https://www.faasafety.gov/files/notices/2016/Jun/CHLK_16-08_GPS_Flight_Advisory.pdf
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