FEDERAL AVIATION ADMINISTRATION FLIGHT ADVISORY GPS INTERFERENCE TESTING YUMA PROVING GROUND (YPG) 18-1305-21 February 2018 Yuma, AZ
GPS testing is scheduled as follows and may result in unreliable or unavailable GPS signal.
Location: Centered at 332537N1142002W or the BLH VOR TAC 104-degree radial at 24 NM.
Dates and times:
05–07 FEB 18 1830Z–2230Z
19–21 FEB 18 1830Z–2230Z
Each event may last the entire requested period.
NAV GPS (YPG GPS 18-13) (INCLUDING WAAS, GBAS, AND ADS-B) MAY NOT BE AVBL WIA 263NM RADIUS CENTERED AT 332537N1142002W (BLH104024) FL400-UNL,
213NM RADIUS AT FL250
141NM RADIUS AT 10000FT
121NM RADIUS AT 4000FT AGL
107NM RADIUS AT 50FT AGL
Pilots are encouraged to report anomalies only when ATC assistance is required
The NOTAMs discussed in this advisory may change with little or no notice. Pilots are
advised to check NOTAMs frequently for possible changes prior to operations in the
NOTAMs will be published at least 24 hours in advance of any GPS tests.