sensors Mode-S transponder
500424
ICAO 24-bit transponder address
Currently assigned to T7-BLA · BOEING 737-700
- Hex
- 500424
- Octal
- 24002044
- Decimal
- 5,243,940
- Tail
- T7-BLA
- Type
- B737
- Flights observed
- 27
- Distinct callsigns
- 1
- Country
- -
- Last broadcast
- 6d ago
Last known position
Callsign history 1 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| T7BLA | - | 27 | 2026-07-24 |
Recent flights last 27
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-24 | T7BLA | - | Jul 24, 14:55 UTC | Jul 24, 18:00 UTC | 3h 5m |
| 2026-07-21 | T7BLA | - | Jul 21, 13:25 UTC | Jul 21, 17:30 UTC | 4h 5m |
| 2026-07-21 | T7BLA | - | Jul 21, 00:20 UTC | Jul 21, 10:50 UTC | 10h 30m |
| 2026-07-17 | T7BLA | - | Jul 17, 08:45 UTC | Jul 17, 16:40 UTC | 7h 55m |
| 2026-07-16 | T7BLA | IAD → STN | Jul 16, 03:40 UTC | Jul 16, 10:55 UTC | 7h 15m |
| 2026-07-16 | T7BLA | - | Jul 16, 00:15 UTC | Jul 16, 02:20 UTC | 2h 5m |
| 2026-07-12 | T7BLA | - | Jul 12, 18:15 UTC | Jul 12, 19:45 UTC | 1h 30m |
| 2026-07-12 | T7BLA | - | Jul 12, 09:30 UTC | Jul 12, 17:20 UTC | 7h 50m |
| 2026-07-11 | T7BLA | - | Jul 11, 02:10 UTC | Jul 11, 10:30 UTC | 8h 20m |
| 2026-07-10 | T7BLA | - | Jul 10, 01:00 UTC | Jul 10, 03:10 UTC | 2h 10m |
| 2026-07-08 | T7BLA | - | Jul 8, 11:50 UTC | Jul 8, 20:50 UTC | 9h 0m |
| 2026-07-08 | T7BLA | - | Jul 8, 05:10 UTC | Jul 8, 08:10 UTC | 3h 0m |
| 2026-07-01 | T7BLA | - | Jul 1, 16:45 UTC | Jul 1, 18:10 UTC | 1h 25m |
| 2026-07-01 | T7BLA | - | Jul 1, 14:35 UTC | Jul 1, 15:55 UTC | 1h 20m |
| 2026-06-30 | T7BLA | - | Jun 30, 17:45 UTC | Jun 30, 22:10 UTC | 4h 25m |
| 2026-06-30 | T7BLA | - | Jun 30, 15:15 UTC | Jun 30, 16:40 UTC | 1h 25m |
| 2026-06-30 | T7BLA | - | Jun 30, 10:15 UTC | Jun 30, 13:15 UTC | 3h 0m |
| 2026-06-26 | T7BLA | - | Jun 26, 06:04 UTC | Jun 26, 12:39 UTC | 6h 35m |
| 2026-06-26 | T7BLA | - | Jun 26, 00:15 UTC | Jun 26, 04:20 UTC | 4h 5m |
| 2026-06-25 | T7BLA | - | Jun 25, 06:44 UTC | Jun 25, 09:05 UTC | 2h 20m |
| 2026-06-25 | T7BLA | LYS → GVA | Jun 25, 05:09 UTC | Jun 25, 05:35 UTC | 25m |
| 2026-06-22 | T7BLA | - | Jun 22, 16:34 UTC | Jun 22, 20:10 UTC | 3h 35m |
| 2026-06-15 | T7BLA | - | Jun 15, 16:45 UTC | Jun 15, 19:05 UTC | 2h 20m |
| 2026-06-15 | T7BLA | - | Jun 15, 04:10 UTC | Jun 15, 10:40 UTC | 6h 30m |
| 2026-06-11 | T7BLA | - | Jun 11, 12:15 UTC | Jun 11, 13:20 UTC | 1h 5m |
| 2026-06-10 | T7BLA | - | Jun 10, 14:15 UTC | Jun 10, 15:10 UTC | 55m |
| 2026-06-10 | T7BLA | - | Jun 10, 11:50 UTC | Jun 10, 12:50 UTC | 1h 0m |
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 T7-BLA page for operator, model, and routing details .