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sensors Mode-S transponder

4CAE72

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-UBN · BOEING 787-9 Dreamliner

Hex
4CAE72
Octal
23127162
Decimal
5,025,394
Country
IE
Tail
EI-UBN
Type
B789
No current signal · last broadcast 1h ago
Flights observed
162
Distinct callsigns
10
Country
IE
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4CAE72.

Country allocation

The ICAO 24-bit address 4CAE72 falls within the block assigned to Ireland (IE) by ICAO Annex 10, Volume III. Every aircraft registered in Ireland 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 10 distinct

Callsign Airline Flights Last seen
MGL137 - 59 2026-07-13
MGL138 MIAT Mongolian Airlines 34 2026-07-13
MGL302 - 22 2026-07-10
MGL502 - 17 2026-07-14
MGL301 - 16 2026-07-10
MGL501 MIAT Mongolian Airlines 4 2026-05-20
MGL309 MIAT Mongolian Airlines 4 2026-06-30
MGL307 - 3 2026-07-10
MGL902 MIAT Mongolian Airlines 1 2026-04-23
MGL901 MIAT Mongolian Airlines 1 2026-04-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 MGL502 - Jul 14, 06:10 UTCJul 14, 06:30 UTC20m
2026-07-13 MGL138 FRA → UBN Jul 13, 12:45 UTCJul 14, 04:05 UTC15h 20m
2026-07-13 MGL137 - Jul 13, 04:05 UTCJul 13, 10:40 UTC6h 35m
2026-07-12 MGL137 - Jul 12, 09:00 UTCJul 13, 07:50 UTC22h 50m
2026-07-12 MGL502 - Jul 12, 06:35 UTCJul 13, 04:55 UTC22h 20m
2026-07-11 MGL138 FRA → UBN Jul 11, 12:45 UTCJul 12, 04:30 UTC15h 45m
2026-07-10 MGL137 ICN → FRA Jul 10, 15:25 UTCJul 11, 10:25 UTC19h 0m
2026-07-10 MGL307 - Jul 10, 13:10 UTCJul 10, 13:40 UTC30m
2026-07-10 MGL302 - Jul 10, 05:40 UTCJul 10, 07:10 UTC1h 30m
2026-07-10 MGL301 - Jul 10, 03:10 UTCJul 10, 03:35 UTC25m
2026-07-09 MGL138 FRA → UBN Jul 9, 12:40 UTCJul 9, 18:40 UTC6h 0m
2026-07-08 MGL137 - Jul 8, 16:35 UTCJul 9, 10:35 UTC18h 0m
2026-07-08 MGL137 ICN → FRA Jul 8, 15:10 UTCJul 9, 10:35 UTC19h 25m
2026-07-08 MGL307 - Jul 8, 13:00 UTCJul 8, 13:15 UTC15m
2026-07-08 MGL302 - Jul 8, 07:20 UTCJul 8, 07:30 UTC10m
2026-07-08 MGL302 - Jul 8, 06:00 UTCJul 8, 06:25 UTC25m
2026-07-08 MGL301 - Jul 8, 03:20 UTCJul 8, 03:35 UTC15m
2026-07-07 MGL138 FRA → UBN Jul 7, 12:40 UTCJul 7, 18:40 UTC6h 0m
2026-07-06 MGL137 ICN → FRA Jul 6, 15:10 UTCJul 7, 10:15 UTC19h 5m
2026-07-06 MGL307 - Jul 6, 12:50 UTCJul 6, 13:10 UTC20m
2026-07-06 MGL302 - Jul 6, 07:20 UTCJul 6, 07:35 UTC15m
2026-07-06 MGL302 - Jul 6, 06:05 UTCJul 6, 06:20 UTC15m
2026-07-06 MGL301 - Jul 6, 03:15 UTCJul 6, 03:35 UTC20m
2026-07-05 MGL138 FRA → UBN Jul 5, 12:50 UTCJul 5, 18:50 UTC6h 0m
2026-07-04 MGL137 ICN → FRA Jul 4, 17:10 UTCJul 5, 10:35 UTC17h 25m
2026-07-04 MGL302 - Jul 4, 05:25 UTCJul 4, 15:25 UTC10h 0m
2026-07-04 MGL301 - Jul 4, 03:20 UTCJul 4, 03:40 UTC20m
2026-07-03 MGL138 FRA → UBN Jul 3, 13:15 UTCJul 3, 19:05 UTC5h 50m
2026-07-03 MGL137 - Jul 3, 04:30 UTCJul 3, 11:05 UTC6h 35m
2026-07-01 MGL138 FRA → UBN Jul 1, 13:05 UTCJul 1, 18:55 UTC5h 50m
2026-06-30 MGL137 ICN → FRA Jun 30, 17:00 UTCJul 1, 10:45 UTC17h 45m
2026-06-30 MGL309 UBN → ICN Jun 30, 15:00 UTCJun 30, 15:25 UTC25m
2026-06-30 MGL302 - Jun 30, 06:45 UTCJun 30, 07:00 UTC15m
2026-06-30 MGL302 - Jun 30, 05:30 UTCJun 30, 05:50 UTC20m
2026-06-30 MGL301 - Jun 30, 03:30 UTCJun 30, 03:55 UTC25m
2026-06-29 MGL138 FRA → UBN Jun 29, 12:45 UTCJun 30, 02:45 UTC14h 1m
2026-06-28 MGL137 - Jun 28, 14:34 UTCJun 29, 10:29 UTC19h 55m
2026-06-28 MGL138 FRA → UBN Jun 28, 13:10 UTCJun 29, 10:29 UTC21h 20m
2026-06-27 MGL137 - Jun 27, 14:35 UTCJun 28, 10:19 UTC19h 45m
2026-06-27 MGL137 FRA → FRA Jun 27, 13:04 UTCJun 28, 10:19 UTC21h 15m
2026-06-26 MGL137 - Jun 26, 14:35 UTCJun 27, 10:25 UTC19h 50m
2026-06-26 MGL138 FRA → UBN Jun 26, 12:59 UTCJun 27, 10:25 UTC21h 25m
2026-06-26 MGL137 - Jun 26, 04:04 UTCJun 26, 10:20 UTC6h 15m
2026-06-24 MGL138 FRA → UBN Jun 24, 13:10 UTCJun 24, 19:20 UTC6h 10m
2026-06-23 MGL137 ICN → FRA Jun 23, 17:15 UTCJun 24, 10:30 UTC17h 15m
2026-06-23 MGL309 UBN → ICN Jun 23, 15:04 UTCJun 23, 15:24 UTC20m
2026-06-23 MGL302 - Jun 23, 07:09 UTCJun 23, 07:29 UTC20m
2026-06-23 MGL302 - Jun 23, 05:54 UTCJun 23, 06:04 UTC10m
2026-06-23 MGL301 - Jun 23, 03:15 UTCJun 23, 03:34 UTC20m
2026-06-22 MGL138 FRA → UBN Jun 22, 13:19 UTCJun 22, 19:19 UTC6h 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 EI-UBN page for operator, model, and routing details .

Mode-S 4CAE72 frequently asked

What is Mode-S code 4CAE72?
4CAE72 is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-UBN.
Where is Mode-S 4CAE72 registered?
Mode-S code 4CAE72 is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAE72 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAE72, octal 23127162, decimal 5,025,394.
What flights does 4CAE72 operate?
Mode-S 4CAE72 has broadcast 10 distinct callsigns, including MGL137, MGL138, MGL302, MGL502, MGL301.