sensors Mode-S transponder
4D2003
ICAO 24-bit transponder address · allocated to Malta
Currently assigned to 9H-SAS · BOEING 737-800
- Hex
- 4D2003
- Octal
- 23220003
- Decimal
- 5,054,467
- Country
- MT
- Tail
- 9H-SAS
- Type
- B738
- Flights observed
- 71
- Distinct callsigns
- 20
- Country
- MT
- Last broadcast
- 6h ago
Current position
Country allocation
The ICAO 24-bit address 4D2003 falls within the block assigned to Malta (MT) by ICAO Annex 10, Volume III. Every aircraft registered in Malta 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 |
|---|---|---|---|
| SEU7832 | - | 10 | 2026-05-19 |
| SEU7834 | - | 9 | 2026-05-16 |
| SEU7831 | - | 7 | 2026-05-19 |
| SEU7850 | - | 6 | 2026-05-17 |
| SEU8942 | - | 5 | 2026-05-30 |
| SEU7833 | - | 4 | 2026-05-16 |
| SEU7582 | - | 3 | 2026-05-29 |
| SEU7364 | - | 3 | 2026-06-01 |
| SEU8941 | - | 2 | 2026-05-23 |
| SEU8624 | - | 2 | 2026-06-01 |
| SEU8623 | - | 2 | 2026-06-02 |
| SEU7548 | - | 2 | 2026-05-25 |
| SEU7547 | - | 2 | 2026-05-26 |
| SEU7363 | - | 2 | 2026-06-01 |
| SEU7356 | - | 2 | 2026-05-17 |
| SEU7581 | - | 1 | 2026-05-22 |
| SEU7355 | - | 1 | 2026-04-24 |
| SEU7347 | - | 1 | 2026-05-17 |
| SEU7346 | - | 1 | 2026-04-22 |
| SEU7345 | - | 1 | 2026-04-21 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | SEU8623 | - | Jun 2, 10:45 UTC | Jun 2, 14:25 UTC | 3h 40m |
| 2026-06-01 | SEU8624 | - | Jun 1, 14:50 UTC | Jun 2, 09:00 UTC | 18h 10m |
| 2026-06-01 | SEU8624 | - | Jun 1, 12:50 UTC | Jun 2, 09:00 UTC | 20h 10m |
| 2026-06-01 | SEU7363 | - | Jun 1, 11:50 UTC | Jun 2, 09:00 UTC | 21h 10m |
| 2026-06-01 | SEU7364 | - | Jun 1, 07:05 UTC | Jun 1, 10:40 UTC | 3h 35m |
| 2026-05-31 | SEU7364 | - | May 31, 12:50 UTC | Jun 1, 10:40 UTC | 21h 50m |
| 2026-05-31 | SEU7364 | - | May 31, 11:10 UTC | Jun 1, 10:40 UTC | 23h 30m |
| 2026-05-31 | SEU6124 | - | May 31, 08:25 UTC | May 31, 09:40 UTC | 1h 15m |
| 2026-05-30 | SEU8942 | - | May 30, 20:00 UTC | May 30, 23:45 UTC | 3h 45m |
| 2026-05-30 | SEU8942 | - | May 30, 02:50 UTC | May 30, 23:45 UTC | 20h 55m |
| 2026-05-30 | SEU8942 | - | May 30, 00:50 UTC | May 30, 23:45 UTC | 22h 55m |
| 2026-05-29 | SEU7582 | - | May 29, 19:40 UTC | May 29, 23:05 UTC | 3h 25m |
| 2026-05-29 | SEU7582 | - | May 29, 00:50 UTC | May 29, 23:05 UTC | 22h 15m |
| 2026-05-28 | SEU7582 | - | May 28, 22:50 UTC | May 29, 22:45 UTC | 23h 56m |
| 2026-05-28 | SEU6121 | - | May 28, 22:35 UTC | May 29, 20:45 UTC | 22h 10m |
| 2026-05-28 | SEU6122 | - | May 28, 10:05 UTC | May 28, 21:15 UTC | 11h 10m |
| 2026-05-28 | SEU6126 | - | May 28, 06:00 UTC | May 28, 08:40 UTC | 2h 40m |
| 2026-05-26 | SEU8623 | - | May 26, 11:05 UTC | May 26, 14:35 UTC | 3h 30m |
| 2026-05-26 | SEU7547 | - | May 26, 00:04 UTC | May 26, 09:35 UTC | 9h 30m |
| 2026-05-25 | SEU7548 | - | May 25, 19:59 UTC | May 25, 22:49 UTC | 2h 50m |
| 2026-05-23 | SEU8941 | - | May 23, 00:45 UTC | May 23, 04:20 UTC | 3h 34m |
| 2026-05-22 | SEU8942 | - | May 22, 04:50 UTC | May 22, 23:05 UTC | 18h 15m |
| 2026-05-22 | SEU7581 | - | May 22, 03:40 UTC | May 22, 23:05 UTC | 19h 25m |
| 2026-05-19 | SEU7832 | - | May 19, 12:50 UTC | May 19, 22:40 UTC | 9h 50m |
| 2026-05-19 | SEU7831 | - | May 19, 01:20 UTC | May 19, 08:40 UTC | 7h 20m |
| 2026-05-18 | SEU7548 | - | May 18, 03:15 UTC | May 18, 12:30 UTC | 9h 15m |
| 2026-05-17 | SEU7356 | - | May 17, 22:10 UTC | May 18, 01:50 UTC | 3h 40m |
| 2026-05-17 | SEU7347 | - | May 17, 16:35 UTC | May 17, 19:55 UTC | 3h 20m |
| 2026-05-17 | SEU1001 | - | May 17, 14:15 UTC | May 17, 14:40 UTC | 25m |
| 2026-05-17 | SEU7850 | - | May 17, 02:25 UTC | May 17, 11:50 UTC | 9h 25m |
| 2026-05-16 | SEU7833 | - | May 16, 12:25 UTC | May 16, 22:10 UTC | 9h 45m |
| 2026-05-16 | SEU7834 | - | May 16, 01:00 UTC | May 16, 11:01 UTC | 10h 1m |
| 2026-05-12 | SEU7832 | - | May 12, 12:45 UTC | May 12, 22:31 UTC | 9h 45m |
| 2026-05-12 | SEU7834 | - | May 12, 02:45 UTC | May 12, 11:15 UTC | 8h 30m |
| 2026-05-11 | SEU7547 | - | May 11, 03:10 UTC | May 11, 13:05 UTC | 9h 55m |
| 2026-05-10 | SEU7850 | - | May 10, 02:34 UTC | May 10, 12:10 UTC | 9h 35m |
| 2026-05-09 | SEU7833 | - | May 9, 12:25 UTC | May 9, 22:25 UTC | 10h 0m |
| 2026-05-09 | SEU7834 | - | May 9, 01:05 UTC | May 9, 10:55 UTC | 9h 50m |
| 2026-05-05 | SEU7832 | - | May 5, 12:45 UTC | May 5, 22:20 UTC | 9h 35m |
| 2026-05-05 | SEU7834 | - | May 5, 00:55 UTC | May 5, 10:55 UTC | 10h 0m |
| 2026-05-04 | SEU7363 | - | May 4, 03:35 UTC | May 4, 13:20 UTC | 9h 45m |
| 2026-05-03 | SEU7850 | - | May 3, 02:30 UTC | May 3, 11:45 UTC | 9h 14m |
| 2026-05-02 | SEU7832 | - | May 2, 12:40 UTC | May 2, 22:45 UTC | 10h 5m |
| 2026-05-02 | SEU7834 | - | May 2, 01:05 UTC | May 2, 10:45 UTC | 9h 41m |
| 2026-04-28 | SEU7833 | - | Apr 28, 12:30 UTC | Apr 28, 22:20 UTC | 9h 50m |
| 2026-04-28 | SEU7834 | - | Apr 28, 01:05 UTC | Apr 28, 11:00 UTC | 9h 55m |
| 2026-04-26 | SEU7850 | - | Apr 26, 02:40 UTC | Apr 26, 12:25 UTC | 9h 45m |
| 2026-04-25 | SEU7833 | - | Apr 25, 13:10 UTC | Apr 25, 23:10 UTC | 10h 0m |
| 2026-04-25 | SEU7834 | - | Apr 25, 00:50 UTC | Apr 25, 10:45 UTC | 9h 55m |
| 2026-04-24 | SEU7356 | - | Apr 24, 07:25 UTC | Apr 24, 11:00 UTC | 3h 35m |
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 9H-SAS page for operator, model, and routing details .