Apparatus

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sensors Mode-S transponder

728673

ICAO 24-bit transponder address · allocated to Iraq

Currently assigned to YI-ASS · BOEING 737-800

Hex
728673
Octal
34503163
Decimal
7,505,523
Country
IQ
Tail
YI-ASS
Type
B738
No current signal · last broadcast 16h ago
Flights observed
114
Distinct callsigns
20
Country
IQ
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 728673.

Country allocation

The ICAO 24-bit address 728673 falls within the block assigned to Iraq (IQ) by ICAO Annex 10, Volume III. Every aircraft registered in Iraq 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
IAW123 - 19 2026-07-03
IAW101 - 11 2026-07-09
IAW102 - 10 2026-07-09
IAW1666 - 9 2026-07-12
IAW1665 - 7 2026-07-11
IAW216 - 6 2026-07-15
IAW223 - 5 2026-07-11
IAW132 Iraqi Airways 5 2026-07-17
IAW124 - 5 2026-07-03
IAW215 - 4 2026-07-14
IAW1302 - 4 2026-07-07
IAW643 Iraqi Airways 3 2026-06-13
IAW164 Iraqi Airways 3 2026-06-10
IAW110 - 3 2026-06-25
IAW3023 - 2 2026-06-11
IAW163 - 2 2026-07-10
IAW131 Iraqi Airways 2 2026-07-17
IAW342 - 1 2026-07-04
IAW341 - 1 2026-07-04
IAW307 - 1 2026-06-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 IAW132 BEY → BGW Jul 17, 10:05 UTCJul 17, 10:30 UTC25m
2026-07-17 IAW131 BGW → BEY Jul 17, 08:25 UTCJul 17, 08:35 UTC10m
2026-07-15 IAW216 - Jul 15, 08:10 UTCJul 15, 09:15 UTC1h 5m
2026-07-14 IAW215 - Jul 14, 20:35 UTCJul 15, 06:35 UTC9h 59m
2026-07-13 IAW3024 - Jul 13, 17:45 UTCJul 13, 17:55 UTC10m
2026-07-13 IAW216 - Jul 13, 08:15 UTCJul 13, 16:25 UTC8h 10m
2026-07-12 IAW215 - Jul 12, 14:55 UTCJul 13, 06:45 UTC15h 50m
2026-07-12 IAW1301 - Jul 12, 13:01 UTCJul 12, 13:10 UTC10m
2026-07-12 IAW132 - Jul 12, 09:40 UTCJul 12, 10:10 UTC30m
2026-07-12 IAW1666 - Jul 12, 04:25 UTCJul 12, 08:05 UTC3h 40m
2026-07-11 IAW1665 - Jul 11, 16:55 UTCJul 12, 03:30 UTC10h 35m
2026-07-11 IAW223 - Jul 11, 14:20 UTCJul 11, 14:45 UTC25m
2026-07-10 IAW223 - Jul 10, 16:50 UTCJul 11, 14:45 UTC21h 55m
2026-07-10 IAW223 - Jul 10, 16:30 UTCJul 11, 14:45 UTC22h 15m
2026-07-10 IAW163 - Jul 10, 10:10 UTCJul 10, 15:15 UTC5h 5m
2026-07-10 IAW1666 - Jul 10, 04:35 UTCJul 10, 08:55 UTC4h 20m
2026-07-09 IAW102 - Jul 9, 10:50 UTCJul 10, 03:25 UTC16h 35m
2026-07-09 IAW101 - Jul 9, 04:25 UTCJul 9, 09:10 UTC4h 45m
2026-07-08 IAW1665 - Jul 8, 15:00 UTCJul 9, 03:20 UTC12h 20m
2026-07-08 IAW132 - Jul 8, 09:50 UTCJul 8, 13:20 UTC3h 30m
2026-07-08 IAW131 - Jul 8, 08:10 UTCJul 8, 08:20 UTC10m
2026-07-07 IAW1302 - Jul 7, 15:15 UTCJul 7, 15:40 UTC25m
2026-07-07 IAW1666 - Jul 7, 04:20 UTCJul 7, 13:40 UTC9h 20m
2026-07-07 IAW1665 - Jul 7, 02:40 UTCJul 7, 03:10 UTC30m
2026-07-05 IAW1666 - Jul 5, 04:25 UTCJul 5, 04:50 UTC25m
2026-07-04 IAW342 - Jul 4, 16:10 UTCJul 5, 03:20 UTC11h 10m
2026-07-04 IAW341 - Jul 4, 13:50 UTCJul 4, 14:55 UTC1h 5m
2026-07-03 IAW124 - Jul 3, 11:25 UTCJul 3, 12:15 UTC50m
2026-07-03 IAW123 - Jul 3, 08:55 UTCJul 3, 09:55 UTC1h 0m
2026-07-02 IAW123 - Jul 2, 11:10 UTCJul 3, 09:55 UTC22h 45m
2026-07-02 IAW123 - Jul 2, 08:15 UTCJul 2, 09:15 UTC1h 0m
2026-07-01 IAW123 - Jul 1, 11:10 UTCJul 2, 09:15 UTC22h 5m
2026-07-01 IAW123 - Jul 1, 08:20 UTCJul 1, 09:20 UTC1h 0m
2026-06-30 IAW123 - Jun 30, 11:00 UTCJul 1, 09:20 UTC22h 20m
2026-06-30 IAW123 - Jun 30, 08:15 UTCJun 30, 09:15 UTC1h 0m
2026-06-29 IAW1302 - Jun 29, 15:00 UTCJun 29, 15:04 UTC5m
2026-06-29 IAW132 BEY → BGW Jun 29, 10:10 UTCJun 29, 10:24 UTC15m
2026-06-28 IAW210 AYT → BGW Jun 28, 18:55 UTCJun 28, 19:14 UTC20m
2026-06-28 IAW209 BGW → AYT Jun 28, 11:50 UTCJun 28, 17:44 UTC5h 55m
2026-06-28 IAW307 - Jun 28, 10:04 UTCJun 28, 10:35 UTC30m
2026-06-27 IAW1302 - Jun 27, 14:54 UTCJun 27, 15:05 UTC10m
2026-06-27 IAW132 BEY → BGW Jun 27, 09:40 UTCJun 27, 09:55 UTC15m
2026-06-27 IAW1666 - Jun 27, 04:24 UTCJun 27, 04:39 UTC15m
2026-06-27 IAW1665 - Jun 27, 02:50 UTCJun 27, 03:09 UTC20m
2026-06-26 IAW1302 - Jun 26, 14:50 UTCJun 26, 14:59 UTC10m
2026-06-25 IAW110 - Jun 25, 17:49 UTCJun 25, 18:50 UTC1h 0m
2026-06-25 IAW102 - Jun 25, 10:59 UTCJun 25, 15:50 UTC4h 50m
2026-06-24 IAW101 - Jun 24, 16:45 UTCJun 25, 08:55 UTC16h 10m
2026-06-24 IAW163 - Jun 24, 15:09 UTCJun 24, 15:29 UTC20m
2026-06-22 IAW102 - Jun 22, 11:14 UTCJun 22, 12:10 UTC55m

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 YI-ASS page for operator, model, and routing details .

Mode-S 728673 frequently asked

What is Mode-S code 728673?
728673 is an ICAO 24-bit transponder address. Allocated to Iraq. Assigned to YI-ASS.
Where is Mode-S 728673 registered?
Mode-S code 728673 is allocated to Iraq (IQ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 728673 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 728673, octal 34503163, decimal 7,505,523.
What flights does 728673 operate?
Mode-S 728673 has broadcast 20 distinct callsigns, including IAW123, IAW101, IAW102, IAW1666, IAW1665.