FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT DRUM, NEW YORK
F LIGHT ADVISORY GPS INTERFERENCE TESTING FORT DRUM NEW YORK (FTDRNY) 25-27 (REVISION 1) 31 March – 11 April Fort Drum, NY The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/FTDRNY_2527_GPS_Flight_Advisory_(Revision_1).pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.
FLIGHT ADVISORY – GPS Interference Testing Fort Irwin, CA
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT IRWIN CALIFORNIA (FTIRCA) 25-05 25 March – 09 April Fort Irwin, CA Centered at 352146N1163221W or the HEC339034 The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/FTIRCA_25-05_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of any GPS tests.
Flight Advisory GPS Interference Testing – Off-the-Coast, SC
FLIGHT ADVISORY GPS INTERFERENCE TESTING CARRIER STRIKE GROUP FOUR (CSG4) 25-02 23 March – 02 April Off-the-Coast, SC The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/CSG4_25-02_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT JOHNSON LOUISIANA
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT JOHNSON LOUISIANA (FTJNLA) 25-21 20 March – 03 April Fort Johnson, LA The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/FTJNLA_25-21_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.
Flight Advisory GPS Interference Testing – Patuxent River, MD
FLIGHT ADVISORY GPS INTERFERENCE TESTING PATUXENT RIVER (PAXRVR) 25-04 17 – 28 March Patuxent River, MD The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/PAXRVR_25-04_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.

Flight Advisory GPS Interference Testing – Fort Stockton, TX
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT STOCKTON TEXAS (FTSTTX) 25-31 16 – 21 March Fort Stockton, TX The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/FTSTTX_25-31_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.
Flight Advisory GPS Interference Testing – Utah Test and Training Range, UT
FLIGHT ADVISORY GPS INTERFERENCE TESTING UTAH TEST AND TRAINING RANGE (UTTR) 25-01 10 – 14 March Utah Test and Training Range, UT The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Mar/UTTR_25-01_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.
FLIGHT ADVISORY GPS INTERFERENCE TESTING CHINA LAKE CALIFORNIA
FLIGHT ADVISORY GPS INTERFERENCE TESTING CHINA LAKE CALIFORNIA (CHLKCA) 25-05 04 – 07 March China Lake, CA White Sands Missile Range, NM Centered at 354630N1174319W or the TTE VOR 081-degree radial at 64 NM The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Feb/CHLKCA_25-05_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of any GPS tests.
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT STEWART GEORGIA (FTSTGA) 25-16
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT STEWART GEORGIA (FTSTGA) 25-16 04 – 12 March Fort Stewart, GA Centered at 320049N0813446W or the SAV254021 The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Feb/FTSTGA_25-16_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of any GPS tests.
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT IRWIN CALIFORNIA
FLIGHT ADVISORY GPS INTERFERENCE TESTING FORT IRWIN CALIFORNIA (FTIRCA) 25-03 01 – 08 March Fort Irwin, CA The entire flight advisory may be accessed and downloaded at the following address: https://www.faasafety.gov/files/notices/2025/Feb/FTIRCA_25-03_GPS_Flight_Advisory.pdf Pilots are advised to check NOTAMs frequently for possible changes prior to operations in the area. NOTAMs will be published at least 24 hours in advance of this event.