Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

040105

ICAO 24-bit transponder address · allocated to Ethiopia

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

Hex
040105
Octal
01000405
Decimal
262,405
Country
ET
Tail
ET-ASK
Type
B77W
No current signal · last broadcast 14h ago
Flights observed
128
Distinct callsigns
15
Country
ET
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 040105.

Country allocation

The ICAO 24-bit address 040105 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 15 distinct

Callsign Airline Flights Last seen
ETH607 Ethiopian Airlines 46 2026-07-02
ETH606 - 23 2026-07-02
ETH637 - 13 2026-07-10
ETH636 - 10 2026-07-10
ETH318 Ethiopian Airlines 10 2026-06-06
ETH611 - 6 2026-06-23
ETH640 - 5 2026-07-04
ETH610 - 5 2026-07-03
ETH685 Ethiopian Airlines 3 2026-06-17
ETH641 - 2 2026-06-23
ETH603 - 1 2026-07-11
ETH602 - 1 2026-07-04
ETH601 - 1 2026-07-13
ETH600 - 1 2026-07-12
ETH453 - 1 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ETH453 - Jul 14, 01:05 UTCJul 14, 01:30 UTC25m
2026-07-13 ETH601 - Jul 13, 01:10 UTCJul 13, 01:40 UTC30m
2026-07-12 ETH600 - Jul 12, 22:35 UTCJul 12, 23:10 UTC35m
2026-07-11 ETH603 - Jul 11, 13:40 UTCJul 11, 14:10 UTC30m
2026-07-10 ETH637 - Jul 10, 19:15 UTCJul 11, 11:35 UTC16h 20m
2026-07-10 ETH636 - Jul 10, 01:45 UTCJul 10, 22:25 UTC20h 40m
2026-07-08 ETH637 - Jul 8, 03:35 UTCJul 8, 22:30 UTC18h 55m
2026-07-08 ETH636 - Jul 8, 01:45 UTCJul 8, 22:30 UTC20h 45m
2026-07-06 ETH637 - Jul 6, 03:40 UTCJul 6, 23:00 UTC19h 20m
2026-07-06 ETH637 - Jul 6, 01:50 UTCJul 6, 23:00 UTC21h 10m
2026-07-05 ETH636 - Jul 5, 13:55 UTCJul 6, 04:50 UTC14h 55m
2026-07-04 ETH602 - Jul 4, 22:55 UTCJul 5, 11:35 UTC12h 40m
2026-07-04 ETH640 - Jul 4, 06:15 UTCJul 4, 20:20 UTC14h 5m
2026-07-03 ETH610 - Jul 3, 14:00 UTCJul 4, 02:55 UTC12h 55m
2026-07-02 ETH607 CAN → ADD Jul 2, 17:45 UTCJul 3, 12:05 UTC18h 20m
2026-07-02 ETH607 CAN → ADD Jul 2, 03:20 UTCJul 2, 22:30 UTC19h 10m
2026-07-02 ETH607 CAN → ADD Jul 2, 01:20 UTCJul 2, 22:30 UTC21h 10m
2026-07-02 ETH606 - Jul 2, 00:50 UTCJul 2, 20:40 UTC19h 50m
2026-06-30 ETH607 CAN → ADD Jun 30, 17:10 UTCJun 30, 21:30 UTC4h 20m
2026-06-30 ETH606 - Jun 30, 01:25 UTCJun 30, 05:00 UTC3h 36m
2026-06-28 ETH637 - Jun 28, 03:55 UTCJun 28, 22:45 UTC18h 50m
2026-06-28 ETH637 - Jun 28, 02:05 UTCJun 28, 22:45 UTC20h 40m
2026-06-26 ETH637 - Jun 26, 03:54 UTCJun 26, 22:40 UTC18h 45m
2026-06-26 ETH636 - Jun 26, 02:00 UTCJun 26, 22:40 UTC20h 40m
2026-06-25 ETH636 - Jun 25, 05:55 UTCJun 26, 05:10 UTC23h 15m
2026-06-25 ETH610 - Jun 25, 02:05 UTCJun 25, 02:59 UTC55m
2026-06-23 ETH611 - Jun 23, 23:00 UTCJun 23, 23:29 UTC30m
2026-06-23 ETH641 - Jun 23, 06:09 UTCJun 23, 06:34 UTC25m
2026-06-23 ETH610 - Jun 23, 01:54 UTCJun 23, 02:45 UTC50m
2026-06-21 ETH607 CAN → ADD Jun 21, 16:59 UTCJun 21, 22:15 UTC5h 15m
2026-06-21 ETH606 - Jun 21, 00:55 UTCJun 21, 03:55 UTC3h 0m
2026-06-19 ETH607 CAN → ADD Jun 19, 17:19 UTCJun 19, 21:49 UTC4h 30m
2026-06-19 ETH606 - Jun 19, 00:59 UTCJun 19, 04:10 UTC3h 10m
2026-06-17 ETH685 PVG → ADD Jun 17, 03:20 UTCJun 17, 23:05 UTC19h 45m
2026-06-17 ETH685 PVG → ADD Jun 17, 01:20 UTCJun 17, 23:05 UTC21h 45m
2026-06-17 ETH685 PVG → ADD Jun 17, 01:00 UTCJun 17, 23:05 UTC22h 5m
2026-06-15 ETH607 CAN → ADD Jun 15, 03:19 UTCJun 15, 21:35 UTC18h 15m
2026-06-15 ETH607 CAN → ADD Jun 15, 01:20 UTCJun 15, 21:35 UTC20h 15m
2026-06-15 ETH606 - Jun 15, 00:45 UTCJun 15, 21:35 UTC20h 50m
2026-06-14 ETH606 - Jun 14, 11:00 UTCJun 15, 05:15 UTC18h 15m
2026-06-11 ETH611 BOM → ADD Jun 11, 22:50 UTCJun 11, 23:25 UTC35m
2026-06-11 ETH641 BOM → ADD Jun 11, 05:55 UTCJun 11, 20:10 UTC14h 15m
2026-06-11 ETH610 ADD → BOM Jun 11, 01:40 UTCJun 11, 02:30 UTC50m
2026-06-09 ETH607 CAN → ADD Jun 9, 17:00 UTCJun 9, 21:45 UTC4h 45m
2026-06-09 ETH606 ADD → CAN Jun 9, 00:50 UTCJun 9, 03:55 UTC3h 5m
2026-06-07 ETH607 CAN → ADD Jun 7, 03:20 UTCJun 7, 22:20 UTC19h 0m
2026-06-07 ETH607 CAN → ADD Jun 7, 01:20 UTCJun 7, 22:20 UTC21h 0m
2026-06-07 ETH607 CAN → ADD Jun 7, 00:39 UTCJun 7, 22:20 UTC21h 40m
2026-06-06 ETH318 ADD → NBO Jun 6, 09:30 UTCJun 6, 09:45 UTC15m
2026-06-05 ETH607 CAN → ADD Jun 5, 03:20 UTCJun 5, 22:10 UTC18h 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-ASK page for operator, model, and routing details .

Mode-S 040105 frequently asked

What is Mode-S code 040105?
040105 is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-ASK.
Where is Mode-S 040105 registered?
Mode-S code 040105 is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 040105 broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 040105, octal 01000405, decimal 262,405.
What flights does 040105 operate?
Mode-S 040105 has broadcast 15 distinct callsigns, including ETH607, ETH606, ETH637, ETH636, ETH318.