sensors Mode-S transponder
45A943
ICAO 24-bit transponder address · allocated to Denmark
Currently assigned to OY-JJC · HAWKER BEECHCRAFT Hawker 750/850
- Hex
- 45A943
- Octal
- 21324503
- Decimal
- 4,565,315
- Country
- DK
- Tail
- OY-JJC
- Type
- H25B
- Flights observed
- 27
- Distinct callsigns
- 10
- Country
- DK
- Last broadcast
- 11h ago
Last known position
Country allocation
The ICAO 24-bit address 45A943 falls within the block assigned to Denmark (DK) by ICAO Annex 10, Volume III. Every aircraft registered in Denmark 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 10 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| SUS9011 | Sun Air of Scandinavia | 7 | 2026-06-16 |
| SUS911 | Sun Air of Scandinavia | 5 | 2026-06-17 |
| GRL902 | - | 5 | 2026-06-19 |
| SUS9111 | Sun Air of Scandinavia | 3 | 2026-06-06 |
| GRL901 | Air Greenland | 2 | 2026-05-28 |
| SUS911B | Sun Air of Scandinavia | 1 | 2026-06-01 |
| SUS911A | Sun Air of Scandinavia | 1 | 2026-06-01 |
| GRL5137 | - | 1 | 2026-06-18 |
| GRL5129 | - | 1 | 2026-06-08 |
| GRL5106 | Air Greenland | 1 | 2026-05-18 |
Recent flights last 27
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-19 | GRL902 | - | Jun 19, 10:44 UTC | Jun 19, 11:09 UTC | 25m |
| 2026-06-18 | GRL5137 | - | Jun 18, 11:05 UTC | Jun 18, 21:30 UTC | 10h 25m |
| 2026-06-17 | SUS911 | ACE → BLL | Jun 17, 22:10 UTC | Jun 17, 22:50 UTC | 40m |
| 2026-06-16 | SUS911 | ACE → BLL | Jun 16, 14:15 UTC | Jun 16, 17:45 UTC | 3h 30m |
| 2026-06-16 | SUS9011 | BLL → ACE | Jun 16, 08:20 UTC | Jun 16, 11:35 UTC | 3h 15m |
| 2026-06-09 | GRL902 | CPH → BLL | Jun 9, 07:35 UTC | Jun 9, 08:00 UTC | 25m |
| 2026-06-08 | GRL5129 | - | Jun 8, 07:05 UTC | Jun 8, 18:00 UTC | 10h 55m |
| 2026-06-06 | SUS9111 | GVA → BLL | Jun 6, 16:39 UTC | Jun 6, 17:10 UTC | 30m |
| 2026-06-06 | SUS911 | ACE → BLL | Jun 6, 10:04 UTC | Jun 6, 12:54 UTC | 2h 50m |
| 2026-06-06 | SUS9011 | BLL → ACE | Jun 6, 05:05 UTC | Jun 6, 08:00 UTC | 2h 55m |
| 2026-06-01 | SUS9111 | GVA → BLL | Jun 1, 11:35 UTC | Jun 1, 12:20 UTC | 45m |
| 2026-06-01 | SUS911B | ALC → OSL | Jun 1, 07:35 UTC | Jun 1, 10:20 UTC | 2h 45m |
| 2026-06-01 | SUS911A | IAD → YQX | Jun 1, 06:10 UTC | Jun 1, 07:05 UTC | 55m |
| 2026-05-31 | SUS9011 | BLL → ACE | May 31, 13:25 UTC | May 31, 16:20 UTC | 2h 55m |
| 2026-05-29 | GRL902 | CPH → BLL | May 29, 15:05 UTC | May 29, 15:30 UTC | 25m |
| 2026-05-28 | GRL901 | BLL → GOH | May 28, 15:45 UTC | May 29, 02:30 UTC | 10h 45m |
| 2026-05-19 | GRL902 | CPH → BLL | May 19, 07:40 UTC | May 19, 08:05 UTC | 25m |
| 2026-05-18 | GRL5106 | GOH → CPH | May 18, 07:00 UTC | May 18, 17:55 UTC | 10h 55m |
| 2026-05-10 | GRL902 | CPH → BLL | May 10, 09:05 UTC | May 10, 09:30 UTC | 25m |
| 2026-05-09 | GRL901 | BLL → GOH | May 9, 09:00 UTC | May 9, 19:45 UTC | 10h 45m |
| 2026-05-06 | SUS911 | ACE → BLL | May 6, 09:45 UTC | May 6, 13:55 UTC | 4h 10m |
| 2026-05-06 | SUS9011 | BLL → ACE | May 6, 07:25 UTC | May 6, 07:30 UTC | 5m |
| 2026-05-05 | SUS9011 | BLL → ACE | May 5, 15:25 UTC | May 5, 16:06 UTC | 40m |
| 2026-05-05 | SUS9011 | BLL → ACE | May 5, 11:05 UTC | May 5, 14:35 UTC | 3h 30m |
| 2026-04-22 | SUS9111 | GVA → BLL | Apr 22, 16:50 UTC | Apr 22, 17:25 UTC | 35m |
| 2026-04-22 | SUS911 | ACE → BLL | Apr 22, 11:05 UTC | Apr 22, 14:25 UTC | 3h 20m |
| 2026-04-22 | SUS9011 | BLL → ACE | Apr 22, 07:10 UTC | Apr 22, 09:45 UTC | 2h 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 OY-JJC page for operator, model, and routing details .