SBOSBO Squawk 4200
Speedbird OnlineSpeedbird Online Squawk 4200
Squawk
4200
US: Internal ARTCC subsets assigned by En Route Safety and Operations Support (Discrete codes only except for first primary block to be used as non-discrete if all discrete codes are assigned)
UK: NATO ­ Aircraft receiving a service from AEW aircraft
Time (UTC)AircraftFlight
2025-03-07 18:02:01G-VIIGBA185 LHR-EWR
2025-03-07 18:02:01G-VIIGBA185 LHR-EWR
2025-07-14 08:02:02G-ZBLHBA258 RUH-LHR
2025-07-14 08:02:02G-ZBLHBA258 RUH-LHR
2025-07-14 08:05:04G-ZBLHBA258 RUH-LHR
2025-07-14 08:20:03G-ZBLHBA258 RUH-LHR
2025-07-14 08:50:04G-ZBLHBA258 RUH-LHR
2025-09-17 01:02:01G-STBFBA239 LHR-BOS
2025-09-17 01:02:01G-STBFBA239 LHR-BOS
2025-09-17 02:02:01G-STBFBA239 LHR-BOS
2025-09-17 02:02:01G-STBFBA239 LHR-BOS
2025-09-17 03:02:02G-STBFBA239 LHR-BOS
2025-09-17 03:02:02G-STBFBA239 LHR-BOS
2025-09-18 08:02:01G-ZBLCBA258 RUH-LHR
2025-09-18 08:02:01G-ZBLCBA258 RUH-LHR
2025-11-20 21:02:01G-XWBBBA191 LHR-AUS
2025-11-20 21:02:01G-XWBBBA191 LHR-AUS



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