Apparatus

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sensors Mode-S transponder

04016D

ICAO 24-bit transponder address · allocated to Ethiopia

Currently assigned to ET-AWJ · BOEING 737 MAX 8

Hex
04016D
Octal
01000555
Decimal
262,509
Country
ET
Tail
ET-AWJ
Type
B38M
No current signal · last broadcast 14h ago
Flights observed
98
Distinct callsigns
20
Country
ET
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 04016D.

Country allocation

The ICAO 24-bit address 04016D 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
ETH721 - 8 2026-07-11
ETH858 - 5 2026-07-08
ETH765 - 5 2026-06-30
ETH691 Ethiopian Airlines 5 2026-06-12
ETH849 - 4 2026-07-08
ETH764 - 4 2026-06-29
ETH722 - 4 2026-07-11
ETH720 - 4 2026-06-22
ETH622 - 4 2026-07-06
ETH417 - 4 2026-07-15
ETH416 - 4 2026-07-14
ETH690 Ethiopian Airlines 3 2026-06-12
ETH419 - 3 2026-07-04
ETH415 - 3 2026-07-18
ETH404 - 3 2026-07-18
ETH859 Ethiopian Airlines 2 2026-05-24
ETH848 Ethiopian Airlines 2 2026-05-24
ETH814 Ethiopian Airlines 2 2026-05-08
ETH623 - 2 2026-07-07
ETH614 - 2 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 ETH415 - Jul 18, 05:00 UTCJul 18, 05:30 UTC30m
2026-07-18 ETH404 - Jul 18, 02:14 UTCJul 18, 02:50 UTC36m
2026-07-16 ETH429 - Jul 16, 00:40 UTCJul 16, 00:55 UTC15m
2026-07-15 ETH428 - Jul 15, 22:50 UTCJul 15, 23:10 UTC20m
2026-07-15 ETH417 - Jul 15, 01:15 UTCJul 15, 13:50 UTC12h 35m
2026-07-14 ETH416 - Jul 14, 05:45 UTCJul 14, 23:45 UTC17h 59m
2026-07-13 ETH433 - Jul 13, 00:50 UTCJul 13, 01:20 UTC30m
2026-07-12 ETH432 - Jul 12, 22:30 UTCJul 12, 23:20 UTC50m
2026-07-11 ETH432 - Jul 11, 23:20 UTCJul 12, 23:15 UTC23h 55m
2026-07-11 ETH721 - Jul 11, 21:45 UTCJul 11, 23:30 UTC1h 45m
2026-07-11 ETH722 - Jul 11, 16:15 UTCJul 11, 18:15 UTC2h 0m
2026-07-10 ETH722 - Jul 10, 22:40 UTCJul 11, 18:15 UTC19h 35m
2026-07-10 ETH926 - Jul 10, 08:00 UTCJul 10, 20:35 UTC12h 35m
2026-07-08 ETH858 - Jul 8, 21:30 UTCJul 8, 22:00 UTC30m
2026-07-08 ETH849 - Jul 8, 01:20 UTCJul 8, 19:35 UTC18h 15m
2026-07-08 ETH407 - Jul 8, 00:35 UTCJul 8, 19:35 UTC19h 0m
2026-07-07 ETH406 - Jul 7, 22:15 UTCJul 7, 23:10 UTC55m
2026-07-07 ETH623 - Jul 7, 00:45 UTCJul 7, 01:20 UTC35m
2026-07-06 ETH622 - Jul 6, 22:45 UTCJul 6, 23:25 UTC40m
2026-07-06 ETH417 - Jul 6, 01:20 UTCJul 6, 23:25 UTC22h 5m
2026-07-06 ETH417 - Jul 6, 01:00 UTCJul 6, 23:15 UTC22h 15m
2026-07-05 ETH416 - Jul 5, 22:45 UTCJul 5, 23:35 UTC50m
2026-07-04 ETH419 - Jul 4, 12:40 UTCJul 4, 13:10 UTC30m
2026-07-04 ETH417 - Jul 4, 02:00 UTCJul 4, 11:15 UTC9h 15m
2026-07-03 ETH416 - Jul 3, 23:40 UTCJul 4, 00:35 UTC55m
2026-07-03 ETH416 - Jul 3, 01:25 UTCJul 4, 00:35 UTC23h 10m
2026-07-02 ETH622 - Jul 2, 23:00 UTCJul 2, 23:40 UTC40m
2026-07-02 ETH622 - Jul 2, 01:20 UTCJul 2, 23:40 UTC22h 20m
2026-07-02 ETH623 - Jul 2, 01:05 UTCJul 2, 01:35 UTC30m
2026-07-01 ETH622 - Jul 1, 23:00 UTCJul 1, 23:35 UTC35m
2026-06-30 ETH765 - Jun 30, 13:00 UTCJun 30, 14:40 UTC1h 40m
2026-06-29 ETH764 TLV → ATH Jun 29, 22:30 UTCJun 30, 10:55 UTC12h 26m
2026-06-29 ETH414 ADD → TLV Jun 29, 19:39 UTCJun 29, 20:19 UTC40m
2026-06-27 ETH415 - Jun 27, 04:59 UTCJun 27, 05:25 UTC25m
2026-06-27 ETH404 ADD → TLV Jun 27, 02:14 UTCJun 27, 02:45 UTC30m
2026-06-24 ETH422 - Jun 24, 22:45 UTCJun 24, 23:00 UTC15m
2026-06-24 ETH615 - Jun 24, 01:04 UTCJun 24, 01:30 UTC25m
2026-06-23 ETH614 - Jun 23, 22:40 UTCJun 23, 23:10 UTC30m
2026-06-23 ETH723 - Jun 23, 05:04 UTCJun 23, 06:44 UTC1h 40m
2026-06-22 ETH720 - Jun 22, 14:05 UTCJun 23, 01:25 UTC11h 20m
2026-06-21 ETH405 TLV → ADD Jun 21, 22:34 UTCJun 21, 23:00 UTC25m
2026-06-21 ETH414 ADD → TLV Jun 21, 19:09 UTCJun 21, 19:45 UTC35m
2026-06-20 ETH407 BEY → ADD Jun 20, 00:24 UTCJun 20, 01:29 UTC1h 5m
2026-06-19 ETH406 ADD → BEY Jun 19, 22:04 UTCJun 19, 23:04 UTC1h 0m
2026-06-17 ETH428 ADD → AMM Jun 17, 22:35 UTCJun 17, 22:50 UTC15m
2026-06-16 ETH422 ADD → DMM Jun 16, 22:15 UTCJun 16, 22:45 UTC30m
2026-06-15 ETH765 ATH → ADD Jun 15, 13:45 UTCJun 15, 15:15 UTC1h 30m
2026-06-15 ETH764 - Jun 15, 11:00 UTCJun 15, 11:45 UTC45m
2026-06-12 ETH691 BLR → ADD Jun 12, 10:55 UTCJun 12, 11:05 UTC10m
2026-06-12 ETH690 ADD → BLR Jun 12, 01:45 UTCJun 12, 02:10 UTC25m

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

Mode-S 04016D frequently asked

What is Mode-S code 04016D?
04016D is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-AWJ.
Where is Mode-S 04016D registered?
Mode-S code 04016D is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 04016D 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 04016D, octal 01000555, decimal 262,509.
What flights does 04016D operate?
Mode-S 04016D has broadcast 20 distinct callsigns, including ETH721, ETH858, ETH765, ETH691, ETH849.