Apparatus

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sensors Mode-S transponder

04008B

ICAO 24-bit transponder address · allocated to Ethiopia

Currently assigned to ET-ARI · BOEING 777-200LR

Hex
04008B
Octal
01000213
Decimal
262,283
Country
ET
Tail
ET-ARI
Type
B77L
No current signal · last broadcast 3h ago
Flights observed
197
Distinct callsigns
20
Country
ET
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 04008B.

Country allocation

The ICAO 24-bit address 04008B 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
ETH3651 Ethiopian Airlines 15 2026-05-17
ETH3690 - 12 2026-06-24
ETH3518 - 11 2026-07-09
ETH3490 - 11 2026-07-02
ETH3516 - 10 2026-07-09
ETH3291 - 9 2026-05-11
ETH3511 - 8 2026-07-08
ETH3502 - 8 2026-07-08
ETH3290 Ethiopian Airlines 8 2026-05-18
ETH3652 Ethiopian Airlines 7 2026-05-17
ETH3500 Ethiopian Airlines 7 2026-06-07
ETH3807 - 6 2026-06-27
ETH3691 - 6 2026-05-16
ETH3501 Ethiopian Airlines 6 2026-06-10
ETH3751 - 5 2026-07-12
ETH3656 - 5 2026-07-11
ETH3491 - 5 2026-07-02
ETH3801 Ethiopian Airlines 4 2026-07-01
ETH3725 - 4 2026-06-15
ETH3712 - 4 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 ETH3608 HAN → ANC Jul 17, 21:44 UTCJul 17, 23:20 UTC1h 35m
2026-07-17 ETH3732 - Jul 17, 00:25 UTCJul 17, 15:20 UTC14h 55m
2026-07-16 ETH3715 - Jul 16, 12:44 UTCJul 16, 22:45 UTC10h 0m
2026-07-16 ETH3712 - Jul 16, 06:10 UTCJul 16, 09:45 UTC3h 35m
2026-07-16 ETH3712 - Jul 16, 05:20 UTCJul 16, 06:05 UTC45m
2026-07-14 ETH3632 - Jul 14, 19:40 UTCJul 14, 20:10 UTC30m
2026-07-14 ETH3631 - Jul 14, 01:15 UTCJul 14, 16:40 UTC15h 25m
2026-07-13 ETH3873 - Jul 13, 06:30 UTCJul 13, 23:10 UTC16h 40m
2026-07-12 ETH3751 - Jul 12, 12:35 UTCJul 13, 04:10 UTC15h 35m
2026-07-11 ETH3656 - Jul 11, 12:15 UTCJul 12, 06:25 UTC18h 10m
2026-07-10 ETH3610 - Jul 10, 20:25 UTCJul 11, 09:55 UTC13h 30m
2026-07-10 ETH3638 - Jul 10, 10:30 UTCJul 10, 17:30 UTC7h 0m
2026-07-09 ETH3518 - Jul 9, 22:40 UTCJul 10, 07:00 UTC8h 20m
2026-07-09 ETH3518 - Jul 9, 20:00 UTCJul 9, 20:30 UTC30m
2026-07-09 ETH3518 - Jul 9, 17:30 UTCJul 9, 17:35 UTC5m
2026-07-09 ETH3516 - Jul 9, 11:20 UTCJul 9, 15:00 UTC3h 40m
2026-07-08 ETH3516 - Jul 8, 22:10 UTCJul 9, 08:45 UTC10h 35m
2026-07-08 ETH3511 ORD → ZAZ Jul 8, 12:25 UTCJul 8, 20:05 UTC7h 40m
2026-07-08 ETH3502 FCO → ORD Jul 8, 00:40 UTCJul 8, 09:45 UTC9h 5m
2026-07-07 ETH3502 - Jul 7, 20:50 UTCJul 7, 22:50 UTC2h 0m
2026-07-05 ETH3219 - Jul 5, 23:50 UTCJul 6, 03:15 UTC3h 25m
2026-07-05 ETH3219 - Jul 5, 22:25 UTCJul 5, 22:30 UTC5m
2026-07-05 ETH3600 - Jul 5, 13:50 UTCJul 5, 19:50 UTC6h 0m
2026-07-04 ETH3445 - Jul 4, 01:20 UTCJul 4, 03:05 UTC1h 45m
2026-07-03 ETH3727 - Jul 3, 02:50 UTCJul 3, 22:45 UTC19h 55m
2026-07-03 ETH3727 - Jul 3, 00:50 UTCJul 3, 22:45 UTC21h 55m
2026-07-02 ETH3491 - Jul 2, 23:35 UTCJul 3, 22:45 UTC23h 10m
2026-07-02 ETH3490 - Jul 2, 13:30 UTCJul 3, 03:00 UTC13h 30m
2026-07-02 ETH3490 - Jul 2, 00:50 UTCJul 3, 00:45 UTC23h 55m
2026-07-01 ETH3490 - Jul 1, 22:50 UTCJul 2, 17:10 UTC18h 20m
2026-07-01 ETH3801 LGG → ARN Jul 1, 20:50 UTCJul 2, 17:10 UTC20h 20m
2026-07-01 ETH3801 LGG → ARN Jul 1, 20:00 UTCJul 2, 17:10 UTC21h 10m
2026-07-01 ETH3801 LGG → ARN Jul 1, 13:20 UTCJul 1, 15:05 UTC1h 45m
2026-06-30 ETH3751 - Jun 30, 17:40 UTCJul 1, 11:10 UTC17h 30m
2026-06-30 ETH3751 - Jun 30, 10:50 UTCJul 1, 10:45 UTC23h 55m
2026-06-28 ETH3490 - Jun 28, 14:30 UTCJun 29, 04:09 UTC13h 40m
2026-06-27 ETH3653 - Jun 27, 17:20 UTCJun 28, 16:45 UTC23h 25m
2026-06-27 ETH3807 - Jun 27, 12:50 UTCJun 27, 15:14 UTC2h 25m
2026-06-26 ETH3807 - Jun 26, 15:10 UTCJun 27, 10:34 UTC19h 25m
2026-06-26 ETH3491 - Jun 26, 12:50 UTCJun 27, 10:34 UTC21h 45m
2026-06-26 ETH3491 - Jun 26, 12:34 UTCJun 27, 10:34 UTC22h 0m
2026-06-26 ETH3490 - Jun 26, 01:50 UTCJun 26, 15:39 UTC13h 50m
2026-06-24 ETH3690 - Jun 24, 00:34 UTCJun 24, 15:05 UTC14h 30m
2026-06-23 ETH3603 - Jun 23, 01:00 UTCJun 24, 00:44 UTC23h 45m
2026-06-22 ETH3766 - Jun 22, 14:24 UTCJun 22, 22:30 UTC8h 5m
2026-06-18 ETH3751 - Jun 18, 22:50 UTCJun 19, 03:20 UTC4h 29m
2026-06-18 ETH3656 - Jun 18, 12:30 UTCJun 18, 15:40 UTC3h 10m
2026-06-18 ETH3713 BRU → ADD Jun 18, 00:10 UTCJun 18, 00:30 UTC20m
2026-06-17 ETH3638 ADD → KUL Jun 17, 14:30 UTCJun 17, 21:25 UTC6h 55m
2026-06-16 ETH3714 - Jun 16, 17:49 UTCJun 17, 11:50 UTC18h 1m

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

Mode-S 04008B frequently asked

What is Mode-S code 04008B?
04008B is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-ARI.
Where is Mode-S 04008B registered?
Mode-S code 04008B is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 04008B broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 04008B, octal 01000213, decimal 262,283.
What flights does 04008B operate?
Mode-S 04008B has broadcast 20 distinct callsigns, including ETH3651, ETH3690, ETH3518, ETH3490, ETH3516.