Apparatus

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sensors Mode-S transponder

040125

ICAO 24-bit transponder address · allocated to Ethiopia

Currently assigned to ET-ATI · BOEING 787-8 Dreamliner

Hex
040125
Octal
01000445
Decimal
262,437
Country
ET
Tail
ET-ATI
Type
B788
No current signal · last broadcast 10h ago
Flights observed
170
Distinct callsigns
20
Country
ET
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 040125.

Country allocation

The ICAO 24-bit address 040125 falls within the block assigned to Ethiopia (ET) by ICAO Annex 10, Volume III. Every aircraft registered in Ethiopia 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
ETH715 - 22 2026-07-13
ETH714 - 21 2026-07-13
ETH718 - 12 2026-07-08
ETH737 Ethiopian Airlines 11 2026-07-07
ETH736 - 10 2026-07-07
ETH731 Ethiopian Airlines 10 2026-07-02
ETH730 - 9 2026-07-02
ETH719 - 8 2026-07-09
ETH740 - 7 2026-07-11
ETH741 - 6 2026-07-11
ETH729 - 5 2026-06-24
ETH859 Ethiopian Airlines 4 2026-05-25
ETH728 - 4 2026-06-24
ETH716 - 4 2026-07-03
ETH688 Ethiopian Airlines 4 2026-05-26
ETH687 Ethiopian Airlines 4 2026-05-26
ETH846 - 3 2026-07-06
ETH909 Ethiopian Airlines 2 2026-05-29
ETH847 - 2 2026-07-01
ETH727 Ethiopian Airlines 2 2026-06-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 ETH715 - Jul 13, 20:40 UTCJul 14, 01:00 UTC4h 20m
2026-07-13 ETH715 OSL → ARN Jul 13, 17:55 UTCJul 13, 18:40 UTC45m
2026-07-13 ETH714 ARN → OSL Jul 13, 06:01 UTCJul 13, 06:40 UTC40m
2026-07-13 ETH714 - Jul 13, 00:15 UTCJul 13, 04:15 UTC4h 0m
2026-07-12 ETH714 - Jul 12, 01:35 UTCJul 13, 01:15 UTC23h 40m
2026-07-11 ETH741 - Jul 11, 21:50 UTCJul 12, 01:35 UTC3h 45m
2026-07-11 ETH741 OPO → MAD Jul 11, 19:20 UTCJul 11, 20:10 UTC50m
2026-07-11 ETH740 MAD → OPO Jul 11, 05:31 UTCJul 11, 06:20 UTC50m
2026-07-11 ETH740 - Jul 11, 00:35 UTCJul 11, 04:05 UTC3h 30m
2026-07-10 ETH740 - Jul 10, 08:40 UTCJul 11, 04:05 UTC19h 25m
2026-07-09 ETH719 - Jul 9, 11:20 UTCJul 10, 06:00 UTC18h 40m
2026-07-09 ETH719 LGW → DSS Jul 9, 09:50 UTCJul 10, 06:00 UTC20h 10m
2026-07-08 ETH718 - Jul 8, 13:40 UTCJul 9, 05:10 UTC15h 30m
2026-07-07 ETH737 MXP → ADD Jul 7, 21:55 UTCJul 8, 11:55 UTC14h 0m
2026-07-07 ETH737 MXP → ADD Jul 7, 19:10 UTCJul 7, 19:45 UTC35m
2026-07-07 ETH736 MXP → ZRH Jul 7, 05:10 UTCJul 7, 05:45 UTC35m
2026-07-07 ETH736 - Jul 7, 01:20 UTCJul 7, 04:00 UTC2h 40m
2026-07-06 ETH846 - Jul 6, 13:20 UTCJul 6, 13:35 UTC15m
2026-07-05 ETH715 ARN → CPT Jul 5, 20:10 UTCJul 6, 12:00 UTC15h 50m
2026-07-05 ETH715 OSL → ARN Jul 5, 18:10 UTCJul 5, 18:55 UTC45m
2026-07-05 ETH714 ARN → OSL Jul 5, 06:10 UTCJul 5, 06:55 UTC45m
2026-07-05 ETH714 - Jul 5, 00:20 UTCJul 5, 04:10 UTC3h 50m
2026-07-03 ETH713 FCO → ADD Jul 3, 21:35 UTCJul 3, 23:10 UTC1h 35m
2026-07-03 ETH716 - Jul 3, 16:50 UTCJul 3, 19:25 UTC2h 35m
2026-07-02 ETH716 - Jul 2, 23:20 UTCJul 3, 19:25 UTC20h 5m
2026-07-02 ETH716 - Jul 2, 21:20 UTCJul 3, 19:25 UTC22h 5m
2026-07-02 ETH731 DUB → ADD Jul 2, 20:25 UTCJul 3, 19:15 UTC22h 50m
2026-07-02 ETH731 DUB → ADD Jul 2, 18:15 UTCJul 2, 19:10 UTC55m
2026-07-02 ETH730 VIE → WAW Jul 2, 05:10 UTCJul 2, 06:00 UTC50m
2026-07-01 ETH730 CPT → VIE Jul 1, 13:35 UTCJul 2, 03:45 UTC14h 10m
2026-07-01 ETH847 - Jul 1, 12:00 UTCJul 1, 12:20 UTC20m
2026-06-30 ETH741 MAD → ADD Jun 30, 21:45 UTCJul 1, 01:40 UTC3h 55m
2026-06-30 ETH741 MAD → ADD Jun 30, 19:05 UTCJun 30, 20:00 UTC55m
2026-06-30 ETH740 - Jun 30, 05:30 UTCJun 30, 06:25 UTC55m
2026-06-29 ETH740 - Jun 29, 23:29 UTCJun 30, 03:50 UTC4h 21m
2026-06-29 ETH453 - Jun 29, 00:44 UTCJun 29, 01:00 UTC15m
2026-06-28 ETH452 - Jun 28, 23:09 UTCJun 28, 23:25 UTC15m
2026-06-27 ETH739 - Jun 27, 20:34 UTCJun 27, 23:04 UTC2h 30m
2026-06-27 ETH738 - Jun 27, 01:24 UTCJun 27, 04:24 UTC3h 0m
2026-06-25 ETH713 FCO → ADD Jun 25, 21:40 UTCJun 25, 23:55 UTC2h 15m
2026-06-24 ETH716 - Jun 24, 23:20 UTCJun 25, 19:29 UTC20h 10m
2026-06-24 ETH729 - Jun 24, 21:19 UTCJun 25, 19:29 UTC22h 10m
2026-06-24 ETH729 - Jun 24, 20:54 UTCJun 25, 19:15 UTC22h 20m
2026-06-24 ETH729 MAN → GVA Jun 24, 17:40 UTCJun 24, 19:10 UTC1h 30m
2026-06-24 ETH728 GVA → MAN Jun 24, 05:40 UTCJun 24, 07:05 UTC1h 25m
2026-06-23 ETH728 - Jun 23, 13:39 UTCJun 24, 04:15 UTC14h 35m
2026-06-22 ETH727 FCO → ADD Jun 22, 21:25 UTCJun 23, 00:35 UTC3h 10m
2026-06-22 ETH727 FCO → ADD Jun 22, 18:00 UTCJun 22, 19:44 UTC1h 45m
2026-06-22 ETH726 - Jun 22, 05:34 UTCJun 22, 07:19 UTC1h 45m
2026-06-21 ETH726 - Jun 21, 14:05 UTCJun 22, 04:00 UTC13h 55m

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 ET-ATI page for operator, model, and routing details .

Mode-S 040125 frequently asked

What is Mode-S code 040125?
040125 is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-ATI.
Where is Mode-S 040125 registered?
Mode-S code 040125 is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 040125 broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 040125, octal 01000445, decimal 262,437.
What flights does 040125 operate?
Mode-S 040125 has broadcast 20 distinct callsigns, including ETH715, ETH714, ETH718, ETH737, ETH736.