South Korea
Risk Level: Three - Caution
[ about risk levels ]
Oct 2026: Pilots have reported unreliable or intermittent GPS signals across the RKRR/Incheon FIR. The likely source is North Korea.
See OPSGROUP Briefing: South Korea Airspace Risk Update - 2024
The primary risk is GPS disruption on arrival or departure around Seoul. South Korea advises pilots to use extreme caution with GPS. Keep a non-GPS navigation option available and cross-check position, especially near RKSI/Incheon and RKSS/Gimpo.
Major events:
Nov 2024: South Korea accused North Korea of GPS jamming that disrupted civilian aircraft and ships.
May 2024: A pilot reported GPS spoofing while approaching RKSS/Gimpo.
See OPSGROUP Briefing: South Korea Airspace Risk Update - 2024
The primary risk is GPS disruption on arrival or departure around Seoul. South Korea advises pilots to use extreme caution with GPS. Keep a non-GPS navigation option available and cross-check position, especially near RKSI/Incheon and RKSS/Gimpo.
Major events:
Nov 2024: South Korea accused North Korea of GPS jamming that disrupted civilian aircraft and ships.
May 2024: A pilot reported GPS spoofing while approaching RKSS/Gimpo.
Current warnings list :
| Source | Reference | Issued | Valid to | |
|---|---|---|---|---|
| South Korea | Notam RKRR Z0718/26 | 29 Sep 2026 | 31 Oct 2026 | |
| USA | Notam KICZ A0011/18 | 27 May 2018 | 27 May 2019 |
Source: South Korea
Reference: Notam RKRR Z0718/26
Issued: 29-Sep-26, valid until: 31 Oct 2026
Plain English: Watch out for GPS interference in the RKRR/Incheon FIR. It has been reported in the vicinity of Seoul, including RSKI/Incheon. The interference likely originates from North Korea in response to ongoing military drills in the area.
CAUTIONARY INFORMATION FOR AIRCRAFT OPERATING IN INCHEON FIR: PILOTS HAVE REPORTED THAT GPS SIGNALS ARE UNRELIABLE OR LOST INTERMITTENTLY IN INCHEON FIR. EXERCISE EXTREME CAUTION WHEN USING GPS.
Source: USA
Reference: Notam KICZ A0011/18
Issued: 27-May-18, valid until: 27 May 2019
Plain English: Exercise caution in the Incheon FIR due to interference with or disruption of GPS signals. (Notam expired in May 2019, listing here for reference only).
KICZ A0011/18
SECURITY – UNITED STATES OF AMERICA ADVISORY FOR KOREAN PENINSULA INCHEON FLIGHT INFORMATION REGION (FIR)(RKRR)
THOSE PERSONS DESCRIBED IN PARAGRAPH A BELOW ARE ADVISED TO EXERCISE CAUTION WHEN FLYING IN THE INCHEON FIR (RKRR), ESPECIALLY NEAR SEOUL, SOUTH KOREA, DUE TO POSSIBLE INTERFERENCE WITH, OR DISRUPTION OF, THEIR GPS NAVIGATION SYSTEMS.
A. APPLICABILITY. THIS NOTAM APPLIES TO: ALL U.S. AIR CARRIERS AND COMMERCIAL OPERATORS; ALL PERSONS EXERCISING THE PRIVILEGES OF AN AIRMAN CERTIFICATE ISSUED BY THE FAA, EXCEPT SUCH PERSONS OPERATING U.S.-REGISTERED AIRCRAFT FOR A FOREIGN AIR CARRIER; AND ALL OPERATORS OF AIRCRAFT REGISTERED IN THE UNITED STATES, EXCEPT WHERE THE OPERATOR OF SUCH AIRCRAFT IS A FOREIGN AIR CARRIER.
B. PLANNING. THOSE PERSONS DESCRIBED IN PARAGRAPH A (APPLICABILITY) PLANNING TO OPERATE IN THE INCHEON (RKRR) FIR SHOULD BE PREPARED TO USE NON-GPS-DEPENDENT NAVIGATION AIDS; MUST REVIEW CURRENT SECURITY/THREAT INFORMATION AND NOTAMS; AND MUST COMPLY WITH ALL APPLICABLE FAA REGULATIONS, OPERATIONS SPECIFICATIONS, MANAGEMENT SPECIFICATIONS, AND LETTERS OF AUTHORIZATION, INCLUDING UPDATING B450.
C. OPERATIONS. EXERCISE CAUTION DURING FLIGHT OPERATIONS. DURING EARLY APRIL 2016, THERE WERE MULTIPLE REPORTS OF CIVIL AIRCRAFT EXPERIENCING GPS NAVIGATION SYSTEMS INTERFERENCE AND DISRUPTION IN THE VICINITY OF INCHEON INTERNATIONAL AIRPORT (RKSI). SIMILAR INCIDENTS OF INTENTIONAL NAVIGATION INTERFERENCE/DISRUPTION OCCURRED IN 2013. THOSE PERSONS DESCRIBED IN PARAGRAPH A (APPLICABILITY) MUST REPORT ANY GPS INTERFERENCE OR DISRUPTION TO THE FAA AT AEO-CITEWATCH@FAA.GOV OR +1 202-267-3203 OR 1-844-412-1794.
THE JUSTIFICATION FOR THIS ADVISORY WILL BE RE-EVALUATED BY 27 MAY 2019. ADDITIONAL INFORMATION IS PROVIDED AT: HTTP://WWW.FAA.GOV/AIR_TRAFFIC/PUBLICATIONS/US_RESTRICTIONS/. SFC – UNL; 27 MAY 14:24 2018 UNTIL 27 MAY 23:59 2019 ESTIMATED.
SECURITY – UNITED STATES OF AMERICA ADVISORY FOR KOREAN PENINSULA INCHEON FLIGHT INFORMATION REGION (FIR)(RKRR)
THOSE PERSONS DESCRIBED IN PARAGRAPH A BELOW ARE ADVISED TO EXERCISE CAUTION WHEN FLYING IN THE INCHEON FIR (RKRR), ESPECIALLY NEAR SEOUL, SOUTH KOREA, DUE TO POSSIBLE INTERFERENCE WITH, OR DISRUPTION OF, THEIR GPS NAVIGATION SYSTEMS.
A. APPLICABILITY. THIS NOTAM APPLIES TO: ALL U.S. AIR CARRIERS AND COMMERCIAL OPERATORS; ALL PERSONS EXERCISING THE PRIVILEGES OF AN AIRMAN CERTIFICATE ISSUED BY THE FAA, EXCEPT SUCH PERSONS OPERATING U.S.-REGISTERED AIRCRAFT FOR A FOREIGN AIR CARRIER; AND ALL OPERATORS OF AIRCRAFT REGISTERED IN THE UNITED STATES, EXCEPT WHERE THE OPERATOR OF SUCH AIRCRAFT IS A FOREIGN AIR CARRIER.
B. PLANNING. THOSE PERSONS DESCRIBED IN PARAGRAPH A (APPLICABILITY) PLANNING TO OPERATE IN THE INCHEON (RKRR) FIR SHOULD BE PREPARED TO USE NON-GPS-DEPENDENT NAVIGATION AIDS; MUST REVIEW CURRENT SECURITY/THREAT INFORMATION AND NOTAMS; AND MUST COMPLY WITH ALL APPLICABLE FAA REGULATIONS, OPERATIONS SPECIFICATIONS, MANAGEMENT SPECIFICATIONS, AND LETTERS OF AUTHORIZATION, INCLUDING UPDATING B450.
C. OPERATIONS. EXERCISE CAUTION DURING FLIGHT OPERATIONS. DURING EARLY APRIL 2016, THERE WERE MULTIPLE REPORTS OF CIVIL AIRCRAFT EXPERIENCING GPS NAVIGATION SYSTEMS INTERFERENCE AND DISRUPTION IN THE VICINITY OF INCHEON INTERNATIONAL AIRPORT (RKSI). SIMILAR INCIDENTS OF INTENTIONAL NAVIGATION INTERFERENCE/DISRUPTION OCCURRED IN 2013. THOSE PERSONS DESCRIBED IN PARAGRAPH A (APPLICABILITY) MUST REPORT ANY GPS INTERFERENCE OR DISRUPTION TO THE FAA AT AEO-CITEWATCH@FAA.GOV OR +1 202-267-3203 OR 1-844-412-1794.
THE JUSTIFICATION FOR THIS ADVISORY WILL BE RE-EVALUATED BY 27 MAY 2019. ADDITIONAL INFORMATION IS PROVIDED AT: HTTP://WWW.FAA.GOV/AIR_TRAFFIC/PUBLICATIONS/US_RESTRICTIONS/. SFC – UNL; 27 MAY 14:24 2018 UNTIL 27 MAY 23:59 2019 ESTIMATED.