Apparatus

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sensors Mode-S transponder

04024A

ICAO 24-bit transponder address · allocated to Ethiopia

Currently assigned to ET-BBG · BOEING 777-300ER

Hex
04024A
Octal
01001112
Decimal
262,730
Country
ET
Tail
ET-BBG
Type
B77W
No current signal · last broadcast Jul 26, 20:25 UTC
Flights observed
134
Distinct callsigns
16
Country
ET
Last broadcast
Jul 26, 20:25 UTC

Last known position

Most recent position reported by Mode-S 04024A.

Country allocation

The ICAO 24-bit address 04024A 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 16 distinct

Callsign Airline Flights Last seen
ETH637 - 27 2026-07-15
ETH610 Ethiopian Airlines 18 2026-07-25
ETH640 Ethiopian Airlines 15 2026-07-26
ETH636 - 13 2026-07-15
ETH611 Ethiopian Airlines 13 2026-07-24
ETH602 - 12 2026-07-11
ETH607 - 8 2026-07-19
ETH606 Ethiopian Airlines 7 2026-07-19
ETH318 - 7 2026-07-16
ETH603 - 4 2026-07-07
ETH641 - 3 2026-07-11
ETH617 Ethiopian Airlines 2 2026-05-16
ETH600 - 2 2026-07-04
ETH909 Ethiopian Airlines 1 2026-06-06
ETH616 Ethiopian Airlines 1 2026-05-15
ETH601 - 1 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ETH640 ADD → BOM Jul 26, 06:30 UTCJul 26, 20:20 UTC13h 51m
2026-07-25 ETH610 ADD → BOM Jul 25, 13:40 UTCJul 26, 02:45 UTC13h 5m
2026-07-24 ETH611 BOM → ADD Jul 24, 22:55 UTCJul 24, 23:25 UTC30m
2026-07-24 ETH640 ADD → BOM Jul 24, 06:05 UTCJul 24, 20:10 UTC14h 5m
2026-07-24 ETH610 ADD → BOM Jul 24, 02:10 UTCJul 24, 02:55 UTC45m
2026-07-23 ETH610 ADD → BOM Jul 23, 07:20 UTCJul 24, 02:55 UTC19h 35m
2026-07-23 ETH610 ADD → BOM Jul 23, 02:10 UTCJul 23, 03:10 UTC1h 0m
2026-07-21 ETH611 BOM → ADD Jul 21, 23:15 UTCJul 21, 23:35 UTC20m
2026-07-21 ETH640 ADD → BOM Jul 21, 05:55 UTCJul 21, 20:30 UTC14h 35m
2026-07-21 ETH610 ADD → BOM Jul 21, 02:00 UTCJul 21, 02:50 UTC50m
2026-07-19 ETH607 - Jul 19, 18:25 UTCJul 20, 11:40 UTC17h 15m
2026-07-19 ETH607 - Jul 19, 02:55 UTCJul 19, 22:05 UTC19h 10m
2026-07-19 ETH606 ADD → CAN Jul 19, 01:00 UTCJul 19, 22:05 UTC21h 5m
2026-07-17 ETH607 - Jul 17, 18:25 UTCJul 17, 22:05 UTC3h 40m
2026-07-17 ETH606 - Jul 17, 00:50 UTCJul 17, 04:39 UTC3h 50m
2026-07-16 ETH318 - Jul 16, 09:20 UTCJul 16, 09:30 UTC10m
2026-07-15 ETH637 - Jul 15, 22:05 UTCJul 15, 22:35 UTC30m
2026-07-15 ETH636 - Jul 15, 03:45 UTCJul 15, 21:00 UTC17h 15m
2026-07-15 ETH636 - Jul 15, 01:50 UTCJul 15, 21:00 UTC19h 10m
2026-07-14 ETH636 - Jul 14, 13:50 UTCJul 15, 05:30 UTC15h 39m
2026-07-13 ETH637 - Jul 13, 19:35 UTCJul 14, 11:40 UTC16h 5m
2026-07-13 ETH637 - Jul 13, 04:35 UTCJul 13, 22:50 UTC18h 15m
2026-07-13 ETH637 - Jul 13, 03:25 UTCJul 13, 22:50 UTC19h 25m
2026-07-13 ETH636 - Jul 13, 01:30 UTCJul 13, 22:50 UTC21h 20m
2026-07-12 ETH636 - Jul 12, 13:55 UTCJul 13, 05:15 UTC15h 20m
2026-07-11 ETH602 - Jul 11, 22:50 UTCJul 12, 12:01 UTC13h 10m
2026-07-11 ETH640 - Jul 11, 19:50 UTCJul 11, 20:35 UTC45m
2026-07-11 ETH641 - Jul 11, 06:01 UTCJul 11, 06:15 UTC15m
2026-07-10 ETH610 - Jul 10, 14:10 UTCJul 11, 03:15 UTC13h 5m
2026-07-09 ETH611 - Jul 9, 23:10 UTCJul 10, 12:05 UTC12h 55m
2026-07-09 ETH640 - Jul 9, 05:40 UTCJul 9, 20:45 UTC15h 5m
2026-07-08 ETH610 - Jul 8, 13:50 UTCJul 9, 02:55 UTC13h 5m
2026-07-08 ETH602 - Jul 8, 11:25 UTCJul 8, 11:55 UTC30m
2026-07-07 ETH603 DXB → DXB Jul 7, 13:50 UTCJul 8, 11:55 UTC22h 5m
2026-07-06 ETH602 - Jul 6, 23:00 UTCJul 7, 11:40 UTC12h 40m
2026-07-06 ETH640 - Jul 6, 06:45 UTCJul 6, 20:35 UTC13h 50m
2026-07-06 ETH610 - Jul 6, 02:10 UTCJul 6, 03:10 UTC1h 0m
2026-07-05 ETH318 - Jul 5, 09:35 UTCJul 5, 09:50 UTC15m
2026-07-05 ETH601 - Jul 5, 01:15 UTCJul 5, 01:35 UTC20m
2026-07-04 ETH600 - Jul 4, 22:15 UTCJul 4, 22:50 UTC35m
2026-07-03 ETH318 - Jul 3, 09:40 UTCJul 3, 09:50 UTC10m
2026-07-01 ETH637 - Jul 1, 04:35 UTCJul 1, 22:50 UTC18h 15m
2026-07-01 ETH637 - Jul 1, 03:40 UTCJul 1, 22:50 UTC19h 10m
2026-07-01 ETH636 - Jul 1, 01:50 UTCJul 1, 22:50 UTC21h 0m
2026-06-30 ETH636 - Jun 30, 13:40 UTCJul 1, 05:25 UTC15h 45m
2026-06-29 ETH611 - Jun 29, 22:49 UTCJun 30, 11:40 UTC12h 51m
2026-06-29 ETH640 - Jun 29, 06:14 UTCJun 29, 20:15 UTC14h 0m
2026-06-28 ETH610 - Jun 28, 13:40 UTCJun 29, 03:05 UTC13h 25m
2026-06-28 ETH602 ADD → DXB Jun 28, 11:04 UTCJun 28, 11:39 UTC35m
2026-06-26 ETH611 - Jun 26, 22:44 UTCJun 26, 23:15 UTC30m

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

Mode-S 04024A frequently asked

What is Mode-S code 04024A?
04024A is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-BBG.
Where is Mode-S 04024A registered?
Mode-S code 04024A is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 04024A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 04024A, octal 01001112, decimal 262,730.
What flights does 04024A operate?
Mode-S 04024A has broadcast 16 distinct callsigns, including ETH637, ETH610, ETH640, ETH636, ETH611.