sensors Mode-S transponder
503D4B
ICAO 24-bit transponder address · allocated to Lithuania
Currently assigned to LY-MAD · AIRBUS A-320
- Hex
- 503D4B
- Octal
- 24036513
- Decimal
- 5,258,571
- Country
- LT
- Tail
- LY-MAD
- Type
- A320
- Flights observed
- 93
- Distinct callsigns
- 20
- Country
- LT
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address 503D4B 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 | 13 | 2026-05-19 |
| AHY063 | Azerbaijan Airlines | 10 | 2026-06-02 |
| AHY109 | Azerbaijan Airlines | 8 | 2026-05-22 |
| AHY8105 | Azerbaijan Airlines | 7 | 2026-05-26 |
| AHY036 | Azerbaijan Airlines | 7 | 2026-05-20 |
| AHY025 | Azerbaijan Airlines | 7 | 2026-06-01 |
| AHY064 | Azerbaijan Airlines | 6 | 2026-06-02 |
| AHY073 | Azerbaijan Airlines | 5 | 2026-05-28 |
| AHY8041 | Azerbaijan Airlines | 4 | 2026-05-23 |
| AHY077 | Azerbaijan Airlines | 4 | 2026-06-02 |
| AHY8042 | Azerbaijan Airlines | 3 | 2026-05-24 |
| AHY8003 | Azerbaijan Airlines | 3 | 2026-05-05 |
| AHY071 | Azerbaijan Airlines | 3 | 2026-05-29 |
| AHY026 | Azerbaijan Airlines | 3 | 2026-06-01 |
| AHY8004 | Azerbaijan Airlines | 2 | 2026-04-17 |
| AHY110 | Azerbaijan Airlines | 2 | 2026-05-23 |
| AHY8225 | Azerbaijan Airlines | 1 | 2026-04-27 |
| AHY8106 | Azerbaijan Airlines | 1 | 2026-04-16 |
| AHY704 | Azerbaijan Airlines | 1 | 2026-05-22 |
| AHY078 | Azerbaijan Airlines | 1 | 2026-05-14 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | AHY077 | GYD → IST | Jun 2, 16:20 UTC | Jun 2, 18:45 UTC | 2h 25m |
| 2026-06-02 | AHY064 | BER → GYD | Jun 2, 09:50 UTC | Jun 2, 13:30 UTC | 3h 40m |
| 2026-06-02 | AHY063 | GYD → BER | Jun 2, 04:00 UTC | Jun 2, 08:25 UTC | 4h 25m |
| 2026-06-01 | AHY026 | AYT → GYD | Jun 1, 08:05 UTC | Jun 1, 10:00 UTC | 1h 55m |
| 2026-06-01 | AHY025 | GYD → AYT | Jun 1, 04:20 UTC | Jun 1, 06:45 UTC | 2h 25m |
| 2026-05-31 | AHY025 | GYD → AYT | May 31, 08:50 UTC | Jun 1, 06:45 UTC | 21h 55m |
| 2026-05-31 | AHY025 | GYD → AYT | May 31, 08:25 UTC | Jun 1, 06:45 UTC | 22h 20m |
| 2026-05-30 | AHY072 | VIE → GYD | May 30, 11:15 UTC | May 30, 14:15 UTC | 3h 0m |
| 2026-05-29 | AHY071 | GYD → VIE | May 29, 14:50 UTC | May 30, 10:00 UTC | 19h 10m |
| 2026-05-29 | AHY071 | GYD → VIE | May 29, 12:50 UTC | May 30, 10:00 UTC | 21h 10m |
| 2026-05-29 | AHY074 | CDG → GYD | May 29, 11:05 UTC | May 30, 10:00 UTC | 22h 55m |
| 2026-05-28 | AHY073 | GYD → CDG | May 28, 20:05 UTC | May 29, 09:15 UTC | 13h 10m |
| 2026-05-28 | AHY077 | GYD → IST | May 28, 16:15 UTC | May 28, 18:40 UTC | 2h 25m |
| 2026-05-27 | AHY026 | AYT → GYD | May 27, 08:10 UTC | May 27, 10:10 UTC | 2h 0m |
| 2026-05-27 | AHY025 | GYD → AYT | May 27, 06:25 UTC | May 27, 06:40 UTC | 15m |
| 2026-05-27 | AHY025 | GYD → AYT | May 27, 04:45 UTC | May 27, 05:40 UTC | 55m |
| 2026-05-26 | AHY8105 | GYD → SAW | May 26, 09:40 UTC | May 26, 15:20 UTC | 5h 40m |
| 2026-05-25 | AHY026 | AYT → GYD | May 25, 08:20 UTC | May 25, 21:45 UTC | 13h 24m |
| 2026-05-25 | AHY025 | GYD → AYT | May 25, 06:35 UTC | May 25, 07:00 UTC | 25m |
| 2026-05-25 | AHY025 | GYD → AYT | May 25, 04:40 UTC | May 25, 05:55 UTC | 1h 15m |
| 2026-05-24 | AHY8042 | ADB → GYD | May 24, 10:00 UTC | May 24, 12:15 UTC | 2h 15m |
| 2026-05-23 | AHY8041 | GYD → ADB | May 23, 12:50 UTC | May 24, 08:20 UTC | 19h 30m |
| 2026-05-23 | AHY110 | PRG → GYD | May 23, 11:25 UTC | May 24, 08:20 UTC | 20h 55m |
| 2026-05-22 | AHY109 | GYD → PRG | May 22, 21:15 UTC | May 23, 09:40 UTC | 12h 24m |
| 2026-05-22 | AHY109 | GYD → PRG | May 22, 12:50 UTC | May 23, 09:40 UTC | 20h 49m |
| 2026-05-22 | AHY109 | GYD → PRG | May 22, 10:55 UTC | May 23, 09:40 UTC | 22h 45m |
| 2026-05-22 | AHY704 | RMO → GYD | May 22, 06:20 UTC | May 22, 21:40 UTC | 15h 20m |
| 2026-05-20 | AHY036 | MXP → GYD | May 20, 09:50 UTC | May 20, 13:45 UTC | 3h 55m |
| 2026-05-19 | AHY035 | GYD → MXP | May 19, 13:50 UTC | May 20, 07:50 UTC | 18h 1m |
| 2026-05-19 | AHY8105 | GYD → SAW | May 19, 11:25 UTC | May 19, 11:35 UTC | 10m |
| 2026-05-18 | AHY8105 | GYD → SAW | May 18, 14:50 UTC | May 19, 10:40 UTC | 19h 49m |
| 2026-05-18 | AHY8105 | GYD → SAW | May 18, 14:15 UTC | May 19, 10:40 UTC | 20h 24m |
| 2026-05-18 | AHY8105 | GYD → SAW | May 18, 10:50 UTC | May 19, 10:40 UTC | 23h 49m |
| 2026-05-18 | AHY8105 | GYD → SAW | May 18, 09:35 UTC | May 18, 15:10 UTC | 5h 35m |
| 2026-05-16 | AHY8042 | ADB → GYD | May 16, 10:01 UTC | May 16, 12:11 UTC | 2h 10m |
| 2026-05-15 | AHY8041 | GYD → ADB | May 15, 12:50 UTC | May 16, 08:20 UTC | 19h 30m |
| 2026-05-15 | AHY8041 | GYD → ADB | May 15, 11:30 UTC | May 16, 08:20 UTC | 20h 50m |
| 2026-05-15 | AHY071 | GYD → VIE | May 15, 05:55 UTC | May 15, 09:30 UTC | 3h 35m |
| 2026-05-14 | AHY078 | IST → GYD | May 14, 21:20 UTC | May 14, 22:30 UTC | 1h 10m |
| 2026-05-14 | AHY077 | GYD → IST | May 14, 16:15 UTC | May 14, 17:40 UTC | 1h 25m |
| 2026-05-12 | AHY036 | MXP → GYD | May 12, 09:45 UTC | May 12, 11:50 UTC | 2h 5m |
| 2026-05-12 | AHY035 | GYD → MXP | May 12, 03:35 UTC | May 12, 08:15 UTC | 4h 40m |
| 2026-05-09 | AHY8042 | ADB → GYD | May 9, 10:10 UTC | May 9, 12:25 UTC | 2h 15m |
| 2026-05-09 | AHY8041 | GYD → ADB | May 9, 06:00 UTC | May 9, 08:35 UTC | 2h 35m |
| 2026-05-05 | AHY8003 | GYD → ESB | May 5, 16:45 UTC | May 5, 21:45 UTC | 5h 0m |
| 2026-05-01 | AHY110 | PRG → GYD | May 1, 11:05 UTC | May 1, 14:45 UTC | 3h 40m |
| 2026-05-01 | AHY109 | GYD → PRG | May 1, 06:00 UTC | May 1, 09:50 UTC | 3h 50m |
| 2026-04-30 | AHY109 | GYD → PRG | Apr 30, 12:50 UTC | May 1, 09:50 UTC | 21h 0m |
| 2026-04-30 | AHY109 | GYD → PRG | Apr 30, 10:50 UTC | May 1, 09:50 UTC | 23h 0m |
| 2026-04-30 | AHY064 | BER → GYD | Apr 30, 09:55 UTC | May 1, 08:45 UTC | 22h 50m |
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-MAD page for operator, model, and routing details .