Apparatus

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sensors Mode-S transponder

4246B7

ICAO 24-bit transponder address · allocated to United Kingdom

Hex
4246B7
Octal
20443267
Decimal
4,343,479
Country
GB
No current signal · last broadcast 11d ago
Flights observed
187
Distinct callsigns
20
Country
GB
Last broadcast
11d ago

Last known position

Most recent position reported by Mode-S 4246B7.

Country allocation

The ICAO 24-bit address 4246B7 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
AHY8226 - 14 2026-07-11
AHY107 Azerbaijan Airlines 11 2026-07-24
AHY035 Azerbaijan Airlines 11 2026-07-24
AHY061 - 9 2026-07-16
AHY703 - 8 2026-07-13
AHY036 Azerbaijan Airlines 8 2026-07-25
AHY025 - 8 2026-06-26
AHY8237 - 6 2026-07-03
AHY8003 Azerbaijan Airlines 6 2026-07-26
AHY063 Azerbaijan Airlines 6 2026-07-25
AHY034 - 6 2026-07-15
AHY026 - 6 2026-06-27
AHY077 Azerbaijan Airlines 5 2026-07-25
AHY064 Azerbaijan Airlines 5 2026-07-26
AHY045 - 5 2026-07-17
AHY033 - 5 2026-07-15
AHY110 Azerbaijan Airlines 4 2026-05-30
AHY108 - 4 2026-07-12
AHY8238 - 3 2026-07-02
AHY155 - 3 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AHY8003 GYD → ESB Jul 26, 16:55 UTCJul 26, 21:35 UTC4h 40m
2026-07-26 AHY064 BER → GYD Jul 26, 10:10 UTCJul 26, 13:45 UTC3h 35m
2026-07-25 AHY063 GYD → BER Jul 25, 20:20 UTCJul 26, 08:30 UTC12h 11m
2026-07-25 AHY077 GYD → IST Jul 25, 18:25 UTCJul 25, 18:45 UTC20m
2026-07-25 AHY036 MXP → GYD Jul 25, 09:45 UTCJul 25, 17:40 UTC7h 55m
2026-07-24 AHY035 GYD → MXP Jul 24, 11:50 UTCJul 25, 08:10 UTC20h 20m
2026-07-24 AHY035 GYD → MXP Jul 24, 11:20 UTCJul 25, 08:10 UTC20h 50m
2026-07-24 AHY107 GYD → LGW Jul 24, 04:10 UTCJul 24, 09:30 UTC5h 20m
2026-07-23 AHY036 MXP → GYD Jul 23, 09:55 UTCJul 23, 18:20 UTC8h 25m
2026-07-22 AHY035 GYD → MXP Jul 22, 20:30 UTCJul 23, 08:05 UTC11h 35m
2026-07-22 AHY077 - Jul 22, 18:20 UTCJul 22, 18:45 UTC25m
2026-07-22 AHY077 - Jul 22, 16:15 UTCJul 22, 17:30 UTC1h 15m
2026-07-22 AHY036 - Jul 22, 11:10 UTCJul 22, 13:35 UTC2h 25m
2026-07-22 AHY035 GYD → MXP Jul 22, 03:40 UTCJul 22, 05:00 UTC1h 20m
2026-07-21 AHY4732 ZRH → ZRH Jul 21, 14:30 UTCJul 21, 18:00 UTC3h 30m
2026-07-19 AHY4731 - Jul 19, 20:10 UTCJul 20, 12:35 UTC16h 25m
2026-07-19 AHY064 - Jul 19, 09:50 UTCJul 19, 17:40 UTC7h 50m
2026-07-18 AHY063 - Jul 18, 14:15 UTCJul 19, 08:00 UTC17h 45m
2026-07-18 AHY063 - Jul 18, 11:50 UTCJul 19, 08:00 UTC20h 10m
2026-07-18 AHY046 BCN → BER Jul 18, 10:05 UTCJul 19, 08:00 UTC21h 55m
2026-07-17 AHY045 - Jul 17, 14:00 UTCJul 18, 08:20 UTC18h 21m
2026-07-17 AHY4006 - Jul 17, 01:09 UTCJul 17, 12:35 UTC11h 25m
2026-07-16 AHY4005 - Jul 16, 07:50 UTCJul 16, 22:30 UTC14h 40m
2026-07-16 AHY061 - Jul 16, 03:55 UTCJul 16, 06:25 UTC2h 30m
2026-07-15 AHY034 - Jul 15, 11:50 UTCJul 15, 14:40 UTC2h 50m
2026-07-15 AHY033 - Jul 15, 06:35 UTCJul 15, 09:45 UTC3h 10m
2026-07-14 AHY4006 - Jul 14, 21:30 UTCJul 15, 04:00 UTC6h 29m
2026-07-14 AHY4005 - Jul 14, 08:00 UTCJul 14, 20:15 UTC12h 15m
2026-07-13 AHY061 - Jul 13, 12:00 UTCJul 14, 06:35 UTC18h 35m
2026-07-13 AHY061 - Jul 13, 10:30 UTCJul 14, 06:35 UTC20h 5m
2026-07-13 AHY703 - Jul 13, 06:20 UTCJul 14, 05:20 UTC23h 0m
2026-07-12 AHY108 - Jul 12, 11:05 UTCJul 12, 15:25 UTC4h 20m
2026-07-11 AHY107 TBS → LGW Jul 11, 22:15 UTCJul 12, 09:25 UTC11h 10m
2026-07-11 AHY8226 TBS → TBS Jul 11, 17:30 UTCJul 11, 20:55 UTC3h 25m
2026-07-11 AHY036 MXP → TBS Jul 11, 10:05 UTCJul 11, 16:20 UTC6h 15m
2026-07-11 AHY035 - Jul 11, 03:40 UTCJul 11, 08:10 UTC4h 30m
2026-07-10 AHY108 - Jul 10, 11:25 UTCJul 10, 20:35 UTC9h 10m
2026-07-09 AHY107 - Jul 9, 16:45 UTCJul 10, 09:35 UTC16h 50m
2026-07-09 AHY107 - Jul 9, 11:50 UTCJul 10, 09:35 UTC21h 45m
2026-07-09 AHY107 - Jul 9, 10:00 UTCJul 10, 09:35 UTC23h 35m
2026-07-08 AHY063 - Jul 8, 23:30 UTCJul 9, 08:15 UTC8h 45m
2026-07-08 AHY8226 - Jul 8, 19:05 UTCJul 8, 22:00 UTC2h 55m
2026-07-08 AHY8225 - Jul 8, 17:20 UTCJul 8, 17:55 UTC35m
2026-07-08 AHY036 - Jul 8, 10:15 UTCJul 8, 13:50 UTC3h 35m
2026-07-08 AHY035 - Jul 8, 03:30 UTCJul 8, 08:00 UTC4h 30m
2026-07-07 AHY322 TLV → GYD Jul 7, 22:30 UTCJul 8, 00:35 UTC2h 5m
2026-07-07 AHY036 MXP → TLV Jul 7, 10:05 UTCJul 7, 21:05 UTC11h 0m
2026-07-06 AHY035 - Jul 6, 13:50 UTCJul 7, 08:40 UTC18h 50m
2026-07-06 AHY035 - Jul 6, 11:50 UTCJul 7, 08:40 UTC20h 50m
2026-07-06 AHY035 VIE → MXP Jul 6, 11:00 UTCJul 7, 08:40 UTC21h 40m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Mode-S 4246B7 frequently asked

What is Mode-S code 4246B7?
4246B7 is an ICAO 24-bit transponder address. Allocated to United Kingdom.
Where is Mode-S 4246B7 registered?
Mode-S code 4246B7 is allocated to United Kingdom (GB). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4246B7 broadcasting right now?
No active broadcast right now. Last signal was 11d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4246B7, octal 20443267, decimal 4,343,479.
What flights does 4246B7 operate?
Mode-S 4246B7 has broadcast 20 distinct callsigns, including AHY8226, AHY107, AHY035, AHY061, AHY703.