sensors Mode-S transponder
49D0A4
ICAO 24-bit transponder address · allocated to Czech Republic
Currently assigned to OK-HLB · BEECHCRAFT Super King Air 350
- Hex
- 49D0A4
- Octal
- 22350244
- Decimal
- 4,837,540
- Country
- CZ
- Tail
- OK-HLB
- Type
- B350
- Flights observed
- 61
- Distinct callsigns
- 17
- Country
- CZ
- Last broadcast
- Jul 25, 19:15 UTC
Last known position
Country allocation
The ICAO 24-bit address 49D0A4 falls within the block assigned to Czech Republic (CZ) by ICAO Annex 10, Volume III. Every aircraft registered in Czech Republic 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 17 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| ITE6CS | - | 21 | 2026-07-24 |
| ITE603 | - | 6 | 2026-04-17 |
| ITE620 | - | 4 | 2026-07-19 |
| ITE616 | - | 4 | 2026-07-12 |
| ITE615 | - | 3 | 2026-07-07 |
| ITE613 | - | 3 | 2026-07-02 |
| ITE609 | - | 3 | 2026-06-22 |
| ITE626 | - | 2 | 2026-07-25 |
| ITE622 | - | 2 | 2026-07-21 |
| ITE618 | - | 2 | 2026-07-13 |
| ITE617 | - | 2 | 2026-07-08 |
| ITE614 | - | 2 | 2026-07-05 |
| ITE610 | - | 2 | 2026-06-21 |
| ITE605 | - | 2 | 2026-06-08 |
| ITE624 | - | 1 | 2026-07-25 |
| ITE621 | - | 1 | 2026-07-21 |
| ITE611 | - | 1 | 2026-06-28 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-25 | ITE624 | - | Jul 25, 17:40 UTC | Jul 25, 19:10 UTC | 1h 30m |
| 2026-07-25 | ITE626 | - | Jul 25, 15:40 UTC | Jul 25, 16:45 UTC | 1h 5m |
| 2026-07-25 | ITE626 | - | Jul 25, 11:05 UTC | Jul 25, 13:35 UTC | 2h 30m |
| 2026-07-24 | ITE6CS | - | Jul 24, 11:10 UTC | Jul 24, 12:55 UTC | 1h 45m |
| 2026-07-24 | ITE6CS | - | Jul 24, 09:00 UTC | Jul 24, 10:10 UTC | 1h 10m |
| 2026-07-24 | ITE6CS | - | Jul 24, 08:30 UTC | Jul 24, 08:45 UTC | 15m |
| 2026-07-21 | ITE622 | - | Jul 21, 11:35 UTC | Jul 21, 13:40 UTC | 2h 5m |
| 2026-07-21 | ITE622 | - | Jul 21, 09:15 UTC | Jul 21, 10:25 UTC | 1h 10m |
| 2026-07-21 | ITE621 | - | Jul 21, 06:55 UTC | Jul 21, 08:40 UTC | 1h 45m |
| 2026-07-19 | ITE620 | - | Jul 19, 12:35 UTC | Jul 19, 12:55 UTC | 20m |
| 2026-07-19 | ITE620 | - | Jul 19, 10:00 UTC | Jul 19, 11:40 UTC | 1h 40m |
| 2026-07-19 | ITE620 | - | Jul 19, 06:55 UTC | Jul 19, 08:15 UTC | 1h 20m |
| 2026-07-19 | ITE620 | - | Jul 19, 05:55 UTC | Jul 19, 06:20 UTC | 25m |
| 2026-07-17 | ITE6CS | - | Jul 17, 15:20 UTC | Jul 17, 15:35 UTC | 15m |
| 2026-07-17 | ITE6CS | - | Jul 17, 13:40 UTC | Jul 17, 15:10 UTC | 1h 30m |
| 2026-07-17 | ITE6CS | - | Jul 17, 11:25 UTC | Jul 17, 12:50 UTC | 1h 25m |
| 2026-07-13 | ITE618 | - | Jul 13, 10:40 UTC | Jul 13, 12:40 UTC | 2h 0m |
| 2026-07-13 | ITE618 | - | Jul 13, 07:10 UTC | Jul 13, 09:30 UTC | 2h 20m |
| 2026-07-12 | ITE616 | - | Jul 12, 12:01 UTC | Jul 12, 12:25 UTC | 25m |
| 2026-07-12 | ITE616 | - | Jul 12, 09:40 UTC | Jul 12, 11:20 UTC | 1h 40m |
| 2026-07-12 | ITE616 | - | Jul 12, 07:05 UTC | Jul 12, 08:25 UTC | 1h 20m |
| 2026-07-12 | ITE616 | - | Jul 12, 05:55 UTC | Jul 12, 06:10 UTC | 15m |
| 2026-07-08 | ITE617 | - | Jul 8, 17:10 UTC | Jul 8, 18:50 UTC | 1h 40m |
| 2026-07-08 | ITE617 | - | Jul 8, 14:00 UTC | Jul 8, 15:30 UTC | 1h 30m |
| 2026-07-07 | ITE615 | - | Jul 7, 10:20 UTC | Jul 7, 11:45 UTC | 1h 25m |
| 2026-07-07 | ITE615 | - | Jul 7, 07:55 UTC | Jul 7, 09:15 UTC | 1h 20m |
| 2026-07-07 | ITE615 | - | Jul 7, 07:20 UTC | Jul 7, 07:35 UTC | 15m |
| 2026-07-05 | ITE614 | - | Jul 5, 09:30 UTC | Jul 5, 11:05 UTC | 1h 35m |
| 2026-07-03 | ITE614 | - | Jul 3, 15:50 UTC | Jul 3, 17:25 UTC | 1h 35m |
| 2026-07-02 | ITE613 | - | Jul 2, 09:45 UTC | Jul 2, 11:20 UTC | 1h 35m |
| 2026-07-02 | ITE613 | - | Jul 2, 06:55 UTC | Jul 2, 08:20 UTC | 1h 25m |
| 2026-07-02 | ITE613 | - | Jul 2, 05:55 UTC | Jul 2, 06:00 UTC | 5m |
| 2026-07-01 | ITE6CS | - | Jul 1, 12:15 UTC | Jul 1, 12:25 UTC | 10m |
| 2026-07-01 | ITE6CS | - | Jul 1, 10:20 UTC | Jul 1, 12:00 UTC | 1h 40m |
| 2026-07-01 | ITE6CS | - | Jul 1, 08:10 UTC | Jul 1, 09:45 UTC | 1h 35m |
| 2026-06-28 | ITE611 | - | Jun 28, 07:54 UTC | Jun 28, 11:50 UTC | 3h 55m |
| 2026-06-22 | ITE609 | - | Jun 22, 12:15 UTC | Jun 22, 13:44 UTC | 1h 30m |
| 2026-06-22 | ITE609 | - | Jun 22, 09:54 UTC | Jun 22, 11:24 UTC | 1h 30m |
| 2026-06-22 | ITE609 | - | Jun 22, 09:04 UTC | Jun 22, 09:19 UTC | 15m |
| 2026-06-21 | ITE610 | - | Jun 21, 13:54 UTC | Jun 21, 15:25 UTC | 1h 30m |
| 2026-06-18 | ITE610 | - | Jun 18, 08:15 UTC | Jun 18, 09:50 UTC | 1h 35m |
| 2026-06-17 | ITE6CS | - | Jun 17, 12:15 UTC | Jun 17, 12:25 UTC | 10m |
| 2026-06-17 | ITE6CS | - | Jun 17, 10:20 UTC | Jun 17, 12:00 UTC | 1h 40m |
| 2026-06-17 | ITE6CS | - | Jun 17, 08:05 UTC | Jun 17, 09:15 UTC | 1h 10m |
| 2026-06-14 | ITE6CS | - | Jun 14, 09:40 UTC | Jun 14, 11:35 UTC | 1h 55m |
| 2026-06-13 | ITE6CS | - | Jun 13, 07:55 UTC | Jun 13, 08:50 UTC | 55m |
| 2026-06-13 | ITE6CS | - | Jun 13, 06:55 UTC | Jun 13, 07:20 UTC | 25m |
| 2026-06-09 | ITE6CS | - | Jun 9, 12:45 UTC | Jun 9, 14:10 UTC | 1h 25m |
| 2026-06-09 | ITE6CS | - | Jun 9, 10:00 UTC | Jun 9, 11:25 UTC | 1h 25m |
| 2026-06-09 | ITE6CS | - | Jun 9, 09:25 UTC | Jun 9, 09:40 UTC | 15m |
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 OK-HLB page for operator, model, and routing details .