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sensors Mode-S transponder

4069DC

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-CICC · CESSNA 152

Hex
4069DC
Octal
20064734
Decimal
4,221,404
Country
GB
Tail
G-CICC
Type
C152
No current signal · last broadcast 17h ago
Flights observed
166
Distinct callsigns
1
Country
GB
Last broadcast
17h ago

Last known position

Most recent position reported by Mode-S 4069DC.

Country allocation

The ICAO 24-bit address 4069DC 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 1 distinct

Callsign Airline Flights Last seen
GCICC - 166 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 GCICC - Jul 13, 15:40 UTCJul 13, 16:25 UTC45m
2026-07-13 GCICC - Jul 13, 13:35 UTCJul 13, 14:25 UTC50m
2026-07-12 GCICC - Jul 12, 15:40 UTCJul 12, 16:10 UTC30m
2026-07-12 GCICC - Jul 12, 13:45 UTCJul 12, 14:30 UTC45m
2026-07-10 GCICC - Jul 10, 14:55 UTCJul 10, 15:35 UTC40m
2026-07-10 GCICC - Jul 10, 12:50 UTCJul 10, 13:40 UTC50m
2026-07-10 GCICC - Jul 10, 11:05 UTCJul 10, 11:45 UTC40m
2026-07-10 GCICC - Jul 10, 09:40 UTCJul 10, 10:30 UTC50m
2026-07-09 GCICC - Jul 9, 14:35 UTCJul 9, 15:40 UTC1h 5m
2026-07-09 GCICC - Jul 9, 12:20 UTCJul 9, 13:05 UTC45m
2026-07-09 GCICC - Jul 9, 10:35 UTCJul 9, 11:40 UTC1h 5m
2026-07-09 GCICC - Jul 9, 08:35 UTCJul 9, 09:15 UTC40m
2026-07-08 GCICC - Jul 8, 12:10 UTCJul 8, 13:00 UTC50m
2026-07-08 GCICC - Jul 8, 10:05 UTCJul 8, 11:05 UTC1h 0m
2026-07-07 GCICC - Jul 7, 08:45 UTCJul 7, 09:45 UTC1h 0m
2026-07-06 GCICC - Jul 6, 16:05 UTCJul 6, 16:30 UTC25m
2026-07-06 GCICC - Jul 6, 14:40 UTCJul 6, 15:25 UTC45m
2026-07-06 GCICC - Jul 6, 12:45 UTCJul 6, 13:25 UTC40m
2026-07-06 GCICC - Jul 6, 11:05 UTCJul 6, 12:00 UTC55m
2026-07-04 GCICC - Jul 4, 10:30 UTCJul 4, 11:45 UTC1h 15m
2026-07-04 GCICC - Jul 4, 08:40 UTCJul 4, 09:40 UTC1h 0m
2026-07-03 GCICC - Jul 3, 12:45 UTCJul 3, 13:20 UTC35m
2026-07-03 GCICC - Jul 3, 08:50 UTCJul 3, 10:00 UTC1h 10m
2026-06-27 GCICC - Jun 27, 13:04 UTCJun 27, 14:05 UTC1h 0m
2026-06-27 GCICC - Jun 27, 11:55 UTCJun 27, 12:25 UTC30m
2026-06-27 GCICC - Jun 27, 10:19 UTCJun 27, 11:00 UTC40m
2026-06-26 GCICC - Jun 26, 12:44 UTCJun 26, 13:15 UTC30m
2026-06-26 GCICC - Jun 26, 10:50 UTCJun 26, 11:34 UTC45m
2026-06-25 GCICC - Jun 25, 11:25 UTCJun 25, 13:00 UTC1h 35m
2026-06-24 GCICC - Jun 24, 08:45 UTCJun 24, 09:39 UTC55m
2026-06-23 GCICC - Jun 23, 12:45 UTCJun 23, 13:45 UTC1h 0m
2026-06-23 GCICC - Jun 23, 10:15 UTCJun 23, 12:05 UTC1h 50m
2026-06-22 GCICC - Jun 22, 14:19 UTCJun 22, 15:05 UTC45m
2026-06-22 GCICC - Jun 22, 11:54 UTCJun 22, 12:34 UTC40m
2026-06-22 GCICC - Jun 22, 09:14 UTCJun 22, 10:15 UTC1h 0m
2026-06-19 GCICC - Jun 19, 13:29 UTCJun 19, 14:15 UTC45m
2026-06-18 GCICC - Jun 18, 14:01 UTCJun 18, 16:30 UTC2h 30m
2026-06-18 GCICC - Jun 18, 11:05 UTCJun 18, 12:10 UTC1h 5m
2026-06-17 GCICC - Jun 17, 10:20 UTCJun 17, 11:30 UTC1h 10m
2026-06-17 GCICC - Jun 17, 09:00 UTCJun 17, 09:25 UTC25m
2026-06-16 GCICC - Jun 16, 17:10 UTCJun 16, 17:55 UTC45m
2026-06-16 GCICC - Jun 16, 13:04 UTCJun 16, 15:15 UTC2h 10m
2026-06-16 GCICC - Jun 16, 10:55 UTCJun 16, 11:49 UTC55m
2026-06-16 GCICC - Jun 16, 09:04 UTCJun 16, 10:04 UTC1h 0m
2026-06-15 GCICC - Jun 15, 13:00 UTCJun 15, 13:50 UTC50m
2026-06-14 GCICC - Jun 14, 14:15 UTCJun 14, 16:00 UTC1h 45m
2026-06-14 GCICC - Jun 14, 10:30 UTCJun 14, 12:30 UTC2h 0m
2026-06-13 GCICC - Jun 13, 10:40 UTCJun 13, 11:35 UTC55m
2026-06-12 GCICC - Jun 12, 14:50 UTCJun 12, 15:50 UTC1h 0m
2026-06-09 GCICC - Jun 9, 13:10 UTCJun 9, 14:10 UTC1h 0m

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.

Prefer a tail-number view? See the G-CICC page for operator, model, and routing details .

Mode-S 4069DC frequently asked

What is Mode-S code 4069DC?
4069DC is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-CICC.
Where is Mode-S 4069DC registered?
Mode-S code 4069DC 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 4069DC broadcasting right now?
No active broadcast right now. Last signal was 17h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4069DC, octal 20064734, decimal 4,221,404.
What flights does 4069DC operate?
Mode-S 4069DC has broadcast 1 distinct callsign, including GCICC.