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sensors Mode-S transponder

040154

ICAO 24-bit transponder address · allocated to Ethiopia

Currently assigned to ET-AVL · BOEING 737 MAX 8

Hex
040154
Octal
01000524
Decimal
262,484
Country
ET
Tail
ET-AVL
Type
B38M
No current signal · last broadcast 21h ago
Flights observed
104
Distinct callsigns
20
Country
ET
Last broadcast
21h ago

Last known position

Most recent position reported by Mode-S 040154.

Country allocation

The ICAO 24-bit address 040154 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
ETH415 - 7 2026-07-16
ETH404 - 7 2026-07-16
ETH419 Ethiopian Airlines 6 2026-05-26
ETH418 Ethiopian Airlines 6 2026-05-26
ETH764 - 5 2026-06-21
ETH690 - 5 2026-07-17
ETH615 Ethiopian Airlines 5 2026-04-27
ETH859 Ethiopian Airlines 4 2026-06-19
ETH849 - 4 2026-07-10
ETH765 - 4 2026-06-22
ETH691 - 4 2026-07-17
ETH614 Ethiopian Airlines 4 2026-04-26
ETH858 - 3 2026-07-10
ETH738 - 3 2026-06-25
ETH720 - 3 2026-07-03
ETH407 Ethiopian Airlines 3 2026-05-16
ETH406 Ethiopian Airlines 3 2026-05-16
ETH308 Ethiopian Airlines 3 2026-06-02
ETH949 - 2 2026-07-14
ETH723 - 2 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 ETH691 - Jul 17, 10:44 UTCJul 17, 11:00 UTC15m
2026-07-17 ETH690 - Jul 17, 02:10 UTCJul 17, 02:34 UTC25m
2026-07-16 ETH415 - Jul 16, 05:20 UTCJul 17, 02:34 UTC21h 15m
2026-07-16 ETH404 - Jul 16, 02:20 UTCJul 16, 02:55 UTC35m
2026-07-14 ETH949 - Jul 14, 05:05 UTCJul 15, 00:15 UTC19h 9m
2026-07-14 ETH693 - Jul 14, 04:50 UTCJul 15, 00:15 UTC19h 24m
2026-07-14 ETH692 - Jul 14, 01:55 UTCJul 14, 02:20 UTC25m
2026-07-12 ETH948 - Jul 12, 01:35 UTCJul 12, 01:50 UTC15m
2026-07-11 ETH949 - Jul 11, 23:45 UTCJul 12, 00:10 UTC25m
2026-07-10 ETH858 - Jul 10, 21:35 UTCJul 10, 22:00 UTC25m
2026-07-10 ETH849 - Jul 10, 18:45 UTCJul 10, 19:20 UTC35m
2026-07-09 ETH849 - Jul 9, 23:05 UTCJul 10, 19:20 UTC20h 15m
2026-07-09 ETH902 - Jul 9, 22:25 UTCJul 10, 19:20 UTC20h 55m
2026-07-06 ETH691 - Jul 6, 10:45 UTCJul 6, 11:00 UTC15m
2026-07-06 ETH690 - Jul 6, 01:50 UTCJul 6, 02:15 UTC25m
2026-07-04 ETH723 - Jul 4, 05:30 UTCJul 4, 07:15 UTC1h 45m
2026-07-03 ETH720 - Jul 3, 23:40 UTCJul 4, 01:25 UTC1h 45m
2026-07-01 ETH691 - Jul 1, 10:50 UTCJul 1, 11:05 UTC15m
2026-07-01 ETH690 - Jul 1, 02:05 UTCJul 1, 02:30 UTC25m
2026-06-28 ETH415 - Jun 28, 05:09 UTCJun 28, 05:34 UTC25m
2026-06-28 ETH404 ADD → TLV Jun 28, 02:14 UTCJun 28, 02:44 UTC30m
2026-06-25 ETH739 - Jun 25, 19:24 UTCJun 25, 23:14 UTC3h 50m
2026-06-25 ETH738 - Jun 25, 00:59 UTCJun 25, 04:25 UTC3h 25m
2026-06-24 ETH738 - Jun 24, 05:05 UTCJun 25, 04:25 UTC23h 20m
2026-06-24 ETH738 - Jun 24, 04:59 UTCJun 25, 02:59 UTC22h 0m
2026-06-24 ETH404 ADD → TLV Jun 24, 02:20 UTCJun 24, 02:54 UTC35m
2026-06-23 ETH693 - Jun 23, 04:39 UTCJun 23, 05:04 UTC25m
2026-06-22 ETH765 - Jun 22, 13:29 UTCJun 23, 02:45 UTC13h 15m
2026-06-21 ETH764 - Jun 21, 21:29 UTCJun 22, 11:09 UTC13h 40m
2026-06-21 ETH696 - Jun 21, 18:44 UTCJun 21, 19:09 UTC25m
2026-06-20 ETH848 - Jun 20, 06:29 UTCJun 20, 07:00 UTC30m
2026-06-19 ETH859 ADD → JNB Jun 19, 22:09 UTCJun 20, 01:55 UTC3h 45m
2026-06-18 ETH721 IST → ADD Jun 18, 23:05 UTCJun 19, 22:09 UTC23h 4m
2026-06-18 ETH721 IST → ADD Jun 18, 21:35 UTCJun 18, 23:30 UTC1h 55m
2026-06-18 ETH722 - Jun 18, 05:30 UTCJun 18, 17:40 UTC12h 10m
2026-06-17 ETH720 - Jun 17, 23:40 UTCJun 18, 01:30 UTC1h 50m
2026-06-16 ETH858 JNB → ADD Jun 16, 21:10 UTCJun 16, 21:30 UTC20m
2026-06-16 ETH849 ADD → JNB Jun 16, 04:45 UTCJun 16, 18:09 UTC13h 25m
2026-06-15 ETH692 ADD → MAA Jun 15, 10:50 UTCJun 16, 02:09 UTC15h 20m
2026-06-14 ETH690 - Jun 14, 09:40 UTCJun 15, 02:04 UTC16h 24m
2026-06-13 ETH858 JNB → ADD Jun 13, 21:00 UTCJun 14, 09:50 UTC12h 50m
2026-06-13 ETH849 ADD → JNB Jun 13, 06:30 UTCJun 13, 18:50 UTC12h 20m
2026-06-13 ETH859 ADD → JNB Jun 13, 01:35 UTCJun 13, 02:10 UTC35m
2026-06-12 ETH415 TLV → ADD Jun 12, 05:25 UTCJun 13, 02:10 UTC20h 45m
2026-06-12 ETH404 ADD → TLV Jun 12, 02:25 UTCJun 12, 03:00 UTC35m
2026-06-07 ETH415 TLV → ADD Jun 7, 05:05 UTCJun 7, 05:30 UTC25m
2026-06-07 ETH404 ADD → TLV Jun 7, 02:30 UTCJun 7, 03:05 UTC35m
2026-06-05 ETH682 ADD → HYD Jun 5, 06:40 UTCJun 5, 22:10 UTC15h 30m
2026-06-04 ETH859 ADD → JNB Jun 4, 07:05 UTCJun 5, 02:25 UTC19h 20m
2026-06-04 ETH723 IST → ADD Jun 4, 05:35 UTCJun 5, 02:25 UTC20h 50m

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-AVL page for operator, model, and routing details .

Mode-S 040154 frequently asked

What is Mode-S code 040154?
040154 is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-AVL.
Where is Mode-S 040154 registered?
Mode-S code 040154 is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 040154 broadcasting right now?
No active broadcast right now. Last signal was 21h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 040154, octal 01000524, decimal 262,484.
What flights does 040154 operate?
Mode-S 040154 has broadcast 20 distinct callsigns, including ETH415, ETH404, ETH419, ETH418, ETH764.