sensors Mode-S transponder
503D6F
ICAO 24-bit transponder address · allocated to Lithuania
Currently assigned to LY-HMD · AIRBUS A-320
- Hex
- 503D6F
- Octal
- 24036557
- Decimal
- 5,258,607
- Country
- LT
- Tail
- LY-HMD
- Type
- A320
- Flights observed
- 106
- Distinct callsigns
- 20
- Country
- LT
- Last broadcast
- 17h ago
Last known position
Country allocation
The ICAO 24-bit address 503D6F falls within the block assigned to Lithuania (LT) by ICAO Annex 10, Volume III. Every aircraft registered in Lithuania 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 |
|---|---|---|---|
| AHY035 | Azerbaijan Airlines | 20 | 2026-05-25 |
| AHY109 | Azerbaijan Airlines | 19 | 2026-05-22 |
| AHY071 | Azerbaijan Airlines | 13 | 2026-04-21 |
| AHY036 | Azerbaijan Airlines | 13 | 2026-05-26 |
| AHY110 | Azerbaijan Airlines | 7 | 2026-05-22 |
| AHY8003 | Azerbaijan Airlines | 6 | 2026-05-26 |
| AHY072 | Azerbaijan Airlines | 6 | 2026-04-21 |
| AHY8105 | Azerbaijan Airlines | 4 | 2026-05-16 |
| AHY8004 | Azerbaijan Airlines | 2 | 2026-04-15 |
| AHY077 | Azerbaijan Airlines | 2 | 2026-04-28 |
| AHY075 | Azerbaijan Airlines | 2 | 2026-05-29 |
| AHY073 | Azerbaijan Airlines | 2 | 2026-05-09 |
| AHY8226 | Azerbaijan Airlines | 1 | 2026-05-14 |
| AHY8225 | Azerbaijan Airlines | 1 | 2026-05-14 |
| AHY8224 | Azerbaijan Airlines | 1 | 2026-05-06 |
| AHY8223 | Azerbaijan Airlines | 1 | 2026-05-06 |
| AHY175 | Azerbaijan Airlines | 1 | 2026-04-21 |
| AHY078 | Azerbaijan Airlines | 1 | 2026-04-28 |
| AHY076 | Azerbaijan Airlines | 1 | 2026-05-29 |
| AHY074 | Azerbaijan Airlines | 1 | 2026-05-10 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AHY076 | IST → GYD | May 29, 09:20 UTC | May 29, 11:15 UTC | 1h 55m |
| 2026-05-29 | AHY075 | GYD → IST | May 29, 07:10 UTC | May 29, 07:35 UTC | 25m |
| 2026-05-29 | AHY075 | GYD → IST | May 29, 05:05 UTC | May 29, 06:25 UTC | 1h 20m |
| 2026-05-26 | AHY8003 | GYD → ESB | May 26, 17:25 UTC | May 26, 22:15 UTC | 4h 50m |
| 2026-05-26 | AHY036 | MXP → GYD | May 26, 10:44 UTC | May 26, 14:50 UTC | 4h 5m |
| 2026-05-25 | AHY035 | GYD → MXP | May 25, 13:50 UTC | May 26, 08:04 UTC | 18h 14m |
| 2026-05-25 | AHY035 | GYD → MXP | May 25, 11:50 UTC | May 26, 08:04 UTC | 20h 14m |
| 2026-05-25 | AHY035 | GYD → MXP | May 25, 10:35 UTC | May 26, 08:04 UTC | 21h 30m |
| 2026-05-25 | AHY035 | GYD → MXP | May 25, 04:40 UTC | May 25, 08:35 UTC | 3h 55m |
| 2026-05-22 | AHY110 | PRG → GYD | May 22, 11:40 UTC | May 22, 15:25 UTC | 3h 45m |
| 2026-05-22 | AHY109 | GYD → PRG | May 22, 06:00 UTC | May 22, 09:40 UTC | 3h 40m |
| 2026-05-19 | AHY036 | MXP → GYD | May 19, 10:00 UTC | May 19, 22:05 UTC | 12h 5m |
| 2026-05-19 | AHY035 | GYD → MXP | May 19, 03:45 UTC | May 19, 08:00 UTC | 4h 15m |
| 2026-05-18 | AHY035 | GYD → MXP | May 18, 09:50 UTC | May 19, 08:00 UTC | 22h 9m |
| 2026-05-18 | AHY035 | GYD → MXP | May 18, 09:20 UTC | May 19, 07:45 UTC | 22h 24m |
| 2026-05-18 | AHY025 | GYD → AYT | May 18, 06:35 UTC | May 18, 07:00 UTC | 25m |
| 2026-05-17 | AHY8003 | GYD → ESB | May 17, 11:50 UTC | May 18, 05:50 UTC | 18h 0m |
| 2026-05-17 | AHY036 | MXP → GYD | May 17, 09:55 UTC | May 18, 05:50 UTC | 19h 55m |
| 2026-05-16 | AHY035 | GYD → MXP | May 16, 14:01 UTC | May 17, 08:20 UTC | 18h 19m |
| 2026-05-16 | AHY8105 | GYD → SAW | May 16, 09:31 UTC | May 16, 10:50 UTC | 1h 20m |
| 2026-05-15 | AHY8105 | GYD → SAW | May 15, 14:00 UTC | May 16, 10:50 UTC | 20h 50m |
| 2026-05-15 | AHY110 | PRG → GYD | May 15, 11:50 UTC | May 16, 10:50 UTC | 23h 0m |
| 2026-05-15 | AHY110 | PRG → GYD | May 15, 11:25 UTC | May 16, 09:45 UTC | 22h 20m |
| 2026-05-14 | AHY109 | GYD → PRG | May 14, 23:15 UTC | May 15, 09:55 UTC | 10h 40m |
| 2026-05-14 | AHY8226 | TBS → GYD | May 14, 19:00 UTC | May 14, 22:00 UTC | 3h 0m |
| 2026-05-14 | AHY8225 | GYD → TBS | May 14, 17:05 UTC | May 14, 17:35 UTC | 30m |
| 2026-05-11 | AHY110 | PRG → GYD | May 11, 11:30 UTC | May 11, 15:05 UTC | 3h 35m |
| 2026-05-11 | AHY109 | GYD → PRG | May 11, 05:55 UTC | May 11, 09:55 UTC | 4h 0m |
| 2026-05-10 | AHY109 | GYD → PRG | May 10, 14:30 UTC | May 11, 09:55 UTC | 19h 25m |
| 2026-05-10 | AHY109 | GYD → PRG | May 10, 11:50 UTC | May 11, 09:55 UTC | 22h 5m |
| 2026-05-10 | AHY074 | CDG → GYD | May 10, 10:45 UTC | May 11, 09:45 UTC | 23h 0m |
| 2026-05-09 | AHY073 | GYD → CDG | May 9, 14:50 UTC | May 10, 09:05 UTC | 18h 15m |
| 2026-05-09 | AHY073 | GYD → CDG | May 9, 11:50 UTC | May 10, 09:05 UTC | 21h 15m |
| 2026-05-09 | AHY109 | GYD → PRG | May 9, 06:05 UTC | May 9, 10:00 UTC | 3h 55m |
| 2026-05-08 | AHY109 | GYD → PRG | May 8, 14:15 UTC | May 9, 10:00 UTC | 19h 45m |
| 2026-05-08 | AHY109 | GYD → PRG | May 8, 11:49 UTC | May 9, 10:00 UTC | 22h 10m |
| 2026-05-08 | AHY109 | GYD → PRG | May 8, 11:14 UTC | May 9, 09:45 UTC | 22h 30m |
| 2026-05-07 | AHY109 | GYD → PRG | May 7, 13:50 UTC | May 8, 09:44 UTC | 19h 54m |
| 2026-05-07 | AHY109 | GYD → PRG | May 7, 11:50 UTC | May 8, 09:44 UTC | 21h 55m |
| 2026-05-07 | AHY109 | GYD → PRG | May 7, 10:15 UTC | May 8, 09:44 UTC | 23h 30m |
| 2026-05-07 | AHY035 | GYD → MXP | May 7, 03:45 UTC | May 7, 08:10 UTC | 4h 25m |
| 2026-05-06 | AHY035 | GYD → MXP | May 6, 13:10 UTC | May 7, 08:10 UTC | 19h 0m |
| 2026-05-06 | AHY8224 | TBS → GYD | May 6, 07:45 UTC | May 6, 11:35 UTC | 3h 50m |
| 2026-05-06 | AHY8223 | GYD → TBS | May 6, 06:10 UTC | May 6, 06:30 UTC | 20m |
| 2026-05-04 | AHY8003 | GYD → ESB | May 4, 17:00 UTC | May 4, 21:55 UTC | 4h 56m |
| 2026-04-28 | AHY078 | IST → GYD | Apr 28, 21:25 UTC | Apr 28, 22:10 UTC | 45m |
| 2026-04-28 | AHY077 | GYD → IST | Apr 28, 16:10 UTC | Apr 28, 17:40 UTC | 1h 30m |
| 2026-04-27 | AHY110 | PRG → GYD | Apr 27, 11:20 UTC | Apr 27, 14:50 UTC | 3h 30m |
| 2026-04-27 | AHY109 | GYD → PRG | Apr 27, 05:45 UTC | Apr 27, 09:55 UTC | 4h 10m |
| 2026-04-26 | AHY109 | GYD → PRG | Apr 26, 13:50 UTC | Apr 27, 09:55 UTC | 20h 5m |
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 LY-HMD page for operator, model, and routing details .