Apparatus

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sensors Mode-S transponder

040124

ICAO 24-bit transponder address · allocated to Ethiopia

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

Hex
040124
Octal
01000444
Decimal
262,436
Country
ET
Tail
ET-ATH
Type
B788
No current signal · last broadcast 2h ago
Flights observed
172
Distinct callsigns
20
Country
ET
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 040124.

Country allocation

The ICAO 24-bit address 040124 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 - 17 2026-06-28
ETH714 - 17 2026-06-28
ETH741 Ethiopian Airlines 13 2026-07-07
ETH740 - 13 2026-07-07
ETH737 Ethiopian Airlines 8 2026-06-14
ETH736 - 8 2026-06-14
ETH718 - 8 2026-07-04
ETH725 - 7 2026-06-19
ETH907 - 6 2026-06-27
ETH645 Ethiopian Airlines 5 2026-04-16
ETH514 Ethiopian Airlines 5 2026-07-03
ETH724 - 4 2026-06-19
ETH719 - 4 2026-07-05
ETH712 - 4 2026-07-12
ETH644 Ethiopian Airlines 4 2026-04-16
ETH516 - 4 2026-07-13
ETH859 Ethiopian Airlines 3 2026-05-30
ETH731 Ethiopian Airlines 3 2026-06-23
ETH713 - 3 2026-07-12
ETH688 Ethiopian Airlines 3 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ETH517 - Jul 14, 01:50 UTCJul 14, 14:50 UTC13h 0m
2026-07-13 ETH516 - Jul 13, 15:00 UTCJul 13, 23:25 UTC8h 25m
2026-07-12 ETH516 - Jul 12, 23:30 UTCJul 13, 23:00 UTC23h 30m
2026-07-12 ETH713 - Jul 12, 21:25 UTCJul 13, 15:55 UTC18h 30m
2026-07-12 ETH716 - Jul 12, 05:30 UTCJul 12, 19:30 UTC14h 0m
2026-07-12 ETH712 - Jul 12, 00:40 UTCJul 12, 03:10 UTC2h 30m
2026-07-10 ETH906 - Jul 10, 20:55 UTCJul 10, 21:30 UTC35m
2026-07-10 ETH909 - Jul 10, 18:45 UTCJul 10, 19:25 UTC40m
2026-07-09 ETH909 - Jul 9, 23:05 UTCJul 10, 19:25 UTC20h 20m
2026-07-09 ETH713 - Jul 9, 21:50 UTCJul 10, 19:25 UTC21h 35m
2026-07-09 ETH716 - Jul 9, 05:40 UTCJul 9, 19:40 UTC14h 0m
2026-07-08 ETH712 - Jul 8, 16:50 UTCJul 9, 03:40 UTC10h 50m
2026-07-07 ETH741 MAD → ADD Jul 7, 22:35 UTCJul 8, 16:55 UTC18h 20m
2026-07-07 ETH741 MAD → ADD Jul 7, 20:15 UTCJul 7, 21:10 UTC55m
2026-07-07 ETH740 MAD → OPO Jul 7, 05:50 UTCJul 7, 06:40 UTC50m
2026-07-06 ETH740 - Jul 6, 09:05 UTCJul 7, 03:40 UTC18h 35m
2026-07-06 ETH740 - Jul 6, 08:35 UTCJul 7, 03:40 UTC19h 5m
2026-07-05 ETH719 - Jul 5, 11:05 UTCJul 6, 05:55 UTC18h 50m
2026-07-05 ETH719 LGW → DSS Jul 5, 09:40 UTCJul 6, 05:55 UTC20h 15m
2026-07-04 ETH718 - Jul 4, 15:10 UTCJul 5, 05:05 UTC13h 55m
2026-07-04 ETH718 - Jul 4, 09:20 UTCJul 5, 05:05 UTC19h 45m
2026-07-04 ETH718 - Jul 4, 03:05 UTCJul 5, 03:00 UTC23h 55m
2026-07-04 ETH515 - Jul 4, 02:45 UTCJul 4, 15:15 UTC12h 30m
2026-07-03 ETH514 LFW → JFK Jul 3, 14:55 UTCJul 3, 23:05 UTC8h 10m
2026-07-02 ETH514 LFW → JFK Jul 2, 21:10 UTCJul 3, 15:55 UTC18h 45m
2026-07-02 ETH717 - Jul 2, 06:15 UTCJul 2, 19:25 UTC13h 10m
2026-07-01 ETH712 - Jul 1, 08:55 UTCJul 2, 02:55 UTC18h 0m
2026-07-01 ETH712 - Jul 1, 03:05 UTCJul 2, 02:55 UTC23h 50m
2026-07-01 ETH515 - Jul 1, 02:35 UTCJul 2, 01:00 UTC22h 25m
2026-06-30 ETH514 LFW → JFK Jun 30, 15:00 UTCJun 30, 23:25 UTC8h 25m
2026-06-29 ETH514 LFW → JFK Jun 29, 21:19 UTCJun 30, 16:00 UTC18h 41m
2026-06-28 ETH715 - Jun 28, 23:04 UTCJun 29, 17:49 UTC18h 45m
2026-06-28 ETH715 - Jun 28, 21:04 UTCJun 29, 17:49 UTC20h 45m
2026-06-28 ETH715 - Jun 28, 20:09 UTCJun 29, 17:49 UTC21h 40m
2026-06-28 ETH715 OSL → ARN Jun 28, 18:05 UTCJun 28, 18:44 UTC40m
2026-06-28 ETH714 ARN → OSL Jun 28, 05:55 UTCJun 28, 06:40 UTC45m
2026-06-27 ETH714 - Jun 27, 09:04 UTCJun 28, 04:10 UTC19h 5m
2026-06-27 ETH714 DSS → ARN Jun 27, 08:29 UTCJun 28, 04:10 UTC19h 40m
2026-06-27 ETH907 - Jun 27, 05:25 UTCJun 27, 06:05 UTC40m
2026-06-26 ETH907 - Jun 26, 09:05 UTCJun 27, 06:05 UTC21h 0m
2026-06-26 ETH908 - Jun 26, 08:40 UTCJun 26, 09:10 UTC30m
2026-06-26 ETH907 - Jun 26, 05:30 UTCJun 26, 06:09 UTC40m
2026-06-25 ETH907 - Jun 25, 07:59 UTCJun 26, 06:09 UTC22h 10m
2026-06-25 ETH517 - Jun 25, 02:05 UTCJun 25, 08:14 UTC6h 10m
2026-06-24 ETH516 - Jun 24, 15:05 UTCJun 24, 23:24 UTC8h 20m
2026-06-23 ETH516 - Jun 23, 23:05 UTCJun 24, 23:00 UTC23h 55m
2026-06-23 ETH731 DUB → ADD Jun 23, 21:05 UTCJun 24, 15:59 UTC18h 55m
2026-06-23 ETH731 DUB → ADD Jun 23, 20:24 UTCJun 24, 15:59 UTC19h 35m
2026-06-23 ETH731 DUB → ADD Jun 23, 18:04 UTCJun 23, 19:00 UTC55m
2026-06-23 ETH730 VIE → WAW Jun 23, 05:00 UTCJun 23, 05:59 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 ET-ATH page for operator, model, and routing details .

Mode-S 040124 frequently asked

What is Mode-S code 040124?
040124 is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-ATH.
Where is Mode-S 040124 registered?
Mode-S code 040124 is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 040124 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 040124, octal 01000444, decimal 262,436.
What flights does 040124 operate?
Mode-S 040124 has broadcast 20 distinct callsigns, including ETH715, ETH714, ETH741, ETH740, ETH737.