sensors Mode-S transponder
728633
ICAO 24-bit transponder address · allocated to Iraq
Currently assigned to YI-AQS · BOEING 737-400
- Hex
- 728633
- Octal
- 34503063
- Decimal
- 7,505,459
- Country
- IQ
- Tail
- YI-AQS
- Type
- B734
- Flights observed
- 124
- Distinct callsigns
- 14
- Country
- IQ
- Last broadcast
- 20h ago
Last known position
Country allocation
The ICAO 24-bit address 728633 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 14 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| UBD162 | - | 32 | 2026-07-13 |
| UBD161 | - | 32 | 2026-07-13 |
| UBD106 | - | 26 | 2026-07-13 |
| UBD264 | - | 9 | 2026-07-14 |
| UBD263 | - | 6 | 2026-07-11 |
| UBD108 | - | 6 | 2026-07-13 |
| UBD1252 | - | 3 | 2026-06-19 |
| UBD105 | - | 3 | 2026-07-11 |
| UBD306 | - | 2 | 2026-07-11 |
| UBD706 | United Airways | 1 | 2026-04-16 |
| UBD238 | - | 1 | 2026-04-14 |
| UBD237 | - | 1 | 2026-04-14 |
| UBD108A | - | 1 | 2026-07-13 |
| UBD107 | - | 1 | 2026-07-06 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | UBD264 | - | Jul 14, 08:30 UTC | Jul 14, 08:45 UTC | 15m |
| 2026-07-13 | UBD108 | - | Jul 13, 20:40 UTC | Jul 14, 07:30 UTC | 10h 50m |
| 2026-07-13 | UBD106 | - | Jul 13, 15:45 UTC | Jul 13, 19:20 UTC | 3h 35m |
| 2026-07-13 | UBD162 | - | Jul 13, 09:10 UTC | Jul 13, 14:20 UTC | 5h 10m |
| 2026-07-13 | UBD161 | - | Jul 13, 06:15 UTC | Jul 13, 07:35 UTC | 1h 20m |
| 2026-07-13 | UBD108A | - | Jul 13, 01:20 UTC | Jul 13, 01:45 UTC | 25m |
| 2026-07-12 | UBD106 | - | Jul 12, 20:20 UTC | Jul 13, 00:05 UTC | 3h 45m |
| 2026-07-12 | UBD162 | - | Jul 12, 14:01 UTC | Jul 12, 18:55 UTC | 4h 55m |
| 2026-07-12 | UBD161 | - | Jul 12, 11:01 UTC | Jul 12, 12:20 UTC | 1h 20m |
| 2026-07-12 | UBD106 | - | Jul 12, 02:01 UTC | Jul 12, 02:20 UTC | 20m |
| 2026-07-11 | UBD306 | - | Jul 11, 20:05 UTC | Jul 11, 23:50 UTC | 3h 45m |
| 2026-07-11 | UBD105 | - | Jul 11, 18:35 UTC | Jul 11, 18:45 UTC | 10m |
| 2026-07-11 | UBD108 | - | Jul 11, 15:10 UTC | Jul 11, 15:35 UTC | 25m |
| 2026-07-11 | UBD264 | - | Jul 11, 09:25 UTC | Jul 11, 13:35 UTC | 4h 10m |
| 2026-07-11 | UBD263 | - | Jul 11, 07:35 UTC | Jul 11, 07:55 UTC | 20m |
| 2026-07-10 | UBD108 | - | Jul 10, 21:00 UTC | Jul 10, 21:25 UTC | 25m |
| 2026-07-10 | UBD106 | - | Jul 10, 15:45 UTC | Jul 10, 19:35 UTC | 3h 50m |
| 2026-07-10 | UBD162 | - | Jul 10, 09:30 UTC | Jul 10, 14:35 UTC | 5h 5m |
| 2026-07-09 | UBD161 | - | Jul 9, 15:55 UTC | Jul 10, 07:55 UTC | 16h 0m |
| 2026-07-09 | UBD162 | - | Jul 9, 09:10 UTC | Jul 9, 14:20 UTC | 5h 10m |
| 2026-07-08 | UBD161 | - | Jul 8, 16:05 UTC | Jul 9, 07:45 UTC | 15h 40m |
| 2026-07-08 | UBD162 | - | Jul 8, 09:00 UTC | Jul 8, 14:30 UTC | 5h 30m |
| 2026-07-07 | UBD161 | - | Jul 7, 20:25 UTC | Jul 8, 07:40 UTC | 11h 15m |
| 2026-07-07 | UBD106 | - | Jul 7, 15:35 UTC | Jul 7, 19:00 UTC | 3h 25m |
| 2026-07-07 | UBD264 | - | Jul 7, 08:15 UTC | Jul 7, 13:20 UTC | 5h 5m |
| 2026-07-07 | UBD263 | - | Jul 7, 06:50 UTC | Jul 7, 07:10 UTC | 20m |
| 2026-07-06 | UBD108 | - | Jul 6, 21:10 UTC | Jul 6, 21:30 UTC | 20m |
| 2026-07-06 | UBD107 | - | Jul 6, 19:25 UTC | Jul 6, 19:40 UTC | 15m |
| 2026-07-05 | UBD106 | - | Jul 5, 16:00 UTC | Jul 5, 16:20 UTC | 20m |
| 2026-07-05 | UBD162 | - | Jul 5, 09:20 UTC | Jul 5, 14:20 UTC | 5h 0m |
| 2026-07-05 | UBD161 | - | Jul 5, 02:10 UTC | Jul 5, 07:50 UTC | 5h 40m |
| 2026-07-04 | UBD306 | - | Jul 4, 20:35 UTC | Jul 5, 00:45 UTC | 4h 10m |
| 2026-07-04 | UBD108 | - | Jul 4, 15:20 UTC | Jul 4, 19:15 UTC | 3h 55m |
| 2026-07-04 | UBD264 | - | Jul 4, 09:15 UTC | Jul 4, 13:40 UTC | 4h 25m |
| 2026-07-03 | UBD106 | - | Jul 3, 17:55 UTC | Jul 4, 08:15 UTC | 14h 20m |
| 2026-07-03 | UBD105 | - | Jul 3, 16:10 UTC | Jul 3, 16:25 UTC | 15m |
| 2026-07-02 | UBD106 | - | Jul 2, 15:50 UTC | Jul 2, 16:10 UTC | 20m |
| 2026-07-02 | UBD162 | - | Jul 2, 09:15 UTC | Jul 2, 14:15 UTC | 5h 0m |
| 2026-07-01 | UBD161 | - | Jul 1, 20:45 UTC | Jul 2, 08:00 UTC | 11h 15m |
| 2026-07-01 | UBD105 | - | Jul 1, 19:00 UTC | Jul 1, 19:20 UTC | 20m |
| 2026-06-30 | UBD106 | - | Jun 30, 14:25 UTC | Jun 30, 14:35 UTC | 10m |
| 2026-06-30 | UBD264 | - | Jun 30, 08:40 UTC | Jun 30, 08:55 UTC | 15m |
| 2026-06-30 | UBD263 | - | Jun 30, 07:15 UTC | Jun 30, 07:35 UTC | 20m |
| 2026-06-29 | UBD106 | - | Jun 29, 16:00 UTC | Jun 29, 16:10 UTC | 10m |
| 2026-06-29 | UBD162 | - | Jun 29, 09:05 UTC | Jun 29, 09:34 UTC | 30m |
| 2026-06-28 | UBD161 | - | Jun 28, 16:14 UTC | Jun 29, 07:40 UTC | 15h 25m |
| 2026-06-27 | UBD106 | - | Jun 27, 20:19 UTC | Jun 27, 20:29 UTC | 10m |
| 2026-06-27 | UBD264 | - | Jun 27, 09:24 UTC | Jun 27, 13:55 UTC | 4h 30m |
| 2026-06-27 | UBD263 | - | Jun 27, 07:59 UTC | Jun 27, 08:14 UTC | 15m |
| 2026-06-26 | UBD162 | - | Jun 26, 09:24 UTC | Jun 26, 09:55 UTC | 30m |
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-AQS page for operator, model, and routing details .