sensors Mode-S transponder
06A12C
ICAO 24-bit transponder address · allocated to Qatar
Currently assigned to A7-ANP · AIRBUS A-350-1000
- Hex
- 06A12C
- Octal
- 01520454
- Decimal
- 434,476
- Country
- QA
- Tail
- A7-ANP
- Type
- A35K
- Flights observed
- 79
- Distinct callsigns
- 20
- Country
- QA
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 06A12C falls within the block assigned to Qatar (QA) by ICAO Annex 10, Volume III. Every aircraft registered in Qatar 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 |
|---|---|---|---|
| QTR98P | Qatar Airways | 6 | 2026-05-08 |
| QTR818 | Qatar Airways | 6 | 2026-05-30 |
| QTR778 | Qatar Airways | 6 | 2026-05-29 |
| QTR815 | Qatar Airways | 5 | 2026-05-14 |
| QTR53W | Qatar Airways | 5 | 2026-04-13 |
| QTR17E | - | 5 | 2026-05-11 |
| QTR93V | Qatar Airways | 4 | 2026-05-28 |
| QTR98E | - | 3 | 2026-04-26 |
| QTR963 | - | 3 | 2026-04-16 |
| QTR780 | Qatar Airways | 3 | 2026-05-20 |
| QTR20R | Qatar Airways | 3 | 2026-05-10 |
| QTR962 | Qatar Airways | 2 | 2026-04-16 |
| QTR779 | Qatar Airways | 2 | 2026-05-17 |
| QTR63A | Qatar Airways | 2 | 2026-05-26 |
| QTR61T | Qatar Airways | 2 | 2026-05-26 |
| QTR53E | - | 2 | 2026-04-26 |
| QTR40X | - | 2 | 2026-05-23 |
| QTR20V | Qatar Airways | 2 | 2026-05-07 |
| QTR1T | Qatar Airways | 2 | 2026-04-27 |
| QTR93W | Qatar Airways | 1 | 2026-05-18 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | QTR818 | DOH → HKG | May 30, 07:25 UTC | May 30, 07:55 UTC | 30m |
| 2026-05-30 | QTR818 | DOH → HKG | May 30, 00:30 UTC | May 30, 05:30 UTC | 5h 0m |
| 2026-05-29 | QTR778 | MIA → DOH | May 29, 01:15 UTC | May 29, 14:35 UTC | 13h 20m |
| 2026-05-28 | QTR93V | DOH → MIA | May 28, 05:40 UTC | May 28, 21:00 UTC | 15h 20m |
| 2026-05-27 | QTR8M | DOH → CMB | May 27, 13:00 UTC | May 27, 22:55 UTC | 9h 55m |
| 2026-05-27 | QTR5M | EBL → DOH | May 27, 03:39 UTC | May 27, 07:00 UTC | 3h 21m |
| 2026-05-26 | QTR63A | AMS → DOH | May 26, 07:45 UTC | May 26, 14:05 UTC | 6h 20m |
| 2026-05-26 | QTR61T | DOH → LHR | May 26, 02:35 UTC | May 26, 05:15 UTC | 2h 40m |
| 2026-05-24 | QTR27R | - | May 24, 11:10 UTC | May 24, 21:35 UTC | 10h 25m |
| 2026-05-23 | QTR40X | - | May 23, 21:00 UTC | May 24, 07:30 UTC | 10h 30m |
| 2026-05-23 | QTR778 | MIA → DOH | May 23, 01:20 UTC | May 23, 14:50 UTC | 13h 30m |
| 2026-05-22 | QTR93V | DOH → MIA | May 22, 06:50 UTC | May 22, 21:40 UTC | 14h 50m |
| 2026-05-20 | QTR780 | GRU → DOH | May 20, 23:45 UTC | May 21, 13:01 UTC | 13h 15m |
| 2026-05-18 | QTR65B | DFW → DOH | May 18, 23:05 UTC | May 18, 23:55 UTC | 50m |
| 2026-05-18 | QTR93W | TRV → DOH | May 18, 20:05 UTC | May 18, 20:50 UTC | 45m |
| 2026-05-17 | QTR780 | GRU → DOH | May 17, 23:35 UTC | May 18, 13:15 UTC | 13h 40m |
| 2026-05-17 | QTR779 | DOH → GRU | May 17, 14:10 UTC | May 17, 15:45 UTC | 1h 35m |
| 2026-05-16 | QTR778 | MIA → DOH | May 16, 01:25 UTC | May 16, 14:20 UTC | 12h 56m |
| 2026-05-14 | QTR815 | HKG → DOH | May 14, 20:25 UTC | May 15, 06:45 UTC | 10h 20m |
| 2026-05-14 | QTR815 | HKG → DOH | May 14, 18:20 UTC | May 14, 18:35 UTC | 15m |
| 2026-05-14 | QTR818 | DOH → HKG | May 14, 03:00 UTC | May 14, 08:35 UTC | 5h 35m |
| 2026-05-12 | QTR32N | DOH → SJJ | May 12, 23:15 UTC | May 12, 23:50 UTC | 35m |
| 2026-05-12 | QTR572 | DOH → BLR | May 12, 20:40 UTC | May 12, 21:10 UTC | 30m |
| 2026-05-12 | QTR63A | AMS → DOH | May 12, 07:50 UTC | May 12, 13:45 UTC | 5h 55m |
| 2026-05-11 | QTR61T | DOH → LHR | May 11, 11:05 UTC | May 12, 05:30 UTC | 18h 26m |
| 2026-05-11 | QTR17E | - | May 11, 09:05 UTC | May 12, 05:30 UTC | 20h 26m |
| 2026-05-11 | QTR17E | - | May 11, 07:30 UTC | May 12, 05:30 UTC | 22h 0m |
| 2026-05-11 | QTR17E | - | May 11, 03:05 UTC | May 12, 03:00 UTC | 23h 55m |
| 2026-05-11 | QTR17E | - | May 11, 02:40 UTC | May 11, 12:40 UTC | 10h 0m |
| 2026-05-10 | QTR20R | DOH → JFK | May 10, 01:04 UTC | May 10, 20:05 UTC | 19h 0m |
| 2026-05-09 | QTR20R | DOH → JFK | May 9, 23:05 UTC | May 10, 20:05 UTC | 21h 0m |
| 2026-05-09 | QTR20R | DOH → JFK | May 9, 21:40 UTC | May 10, 20:05 UTC | 22h 25m |
| 2026-05-09 | QTR815 | HKG → DOH | May 9, 19:35 UTC | May 9, 19:49 UTC | 15m |
| 2026-05-09 | QTR818 | DOH → HKG | May 9, 07:35 UTC | May 9, 08:05 UTC | 30m |
| 2026-05-08 | QTR98P | DOH → IAD | May 8, 11:05 UTC | May 9, 05:35 UTC | 18h 30m |
| 2026-05-08 | QTR98P | DOH → IAD | May 8, 09:04 UTC | May 9, 05:35 UTC | 20h 30m |
| 2026-05-08 | QTR98P | DOH → IAD | May 8, 08:44 UTC | May 9, 05:35 UTC | 20h 50m |
| 2026-05-08 | QTR98P | DOH → IAD | May 8, 05:05 UTC | May 9, 05:00 UTC | 23h 55m |
| 2026-05-08 | QTR98P | DOH → IAD | May 8, 02:55 UTC | May 8, 13:20 UTC | 10h 25m |
| 2026-05-07 | QTR20V | DOH → ORD | May 7, 13:05 UTC | May 7, 23:24 UTC | 10h 20m |
| 2026-05-05 | QTR780 | GRU → DOH | May 5, 23:30 UTC | May 6, 00:40 UTC | 1h 10m |
| 2026-05-05 | QTR779 | DOH → GRU | May 5, 00:45 UTC | May 5, 15:30 UTC | 14h 45m |
| 2026-05-04 | QTR778 | MIA → DOH | May 4, 01:30 UTC | May 4, 14:25 UTC | 12h 55m |
| 2026-05-03 | QTR93V | DOH → MIA | May 3, 06:25 UTC | May 3, 23:00 UTC | 16h 35m |
| 2026-05-02 | QTR815 | HKG → DOH | May 2, 20:30 UTC | May 3, 02:50 UTC | 6h 20m |
| 2026-05-02 | QTR815 | HKG → DOH | May 2, 18:25 UTC | May 2, 18:40 UTC | 15m |
| 2026-05-02 | QTR818 | DOH → HKG | May 2, 07:45 UTC | May 2, 08:10 UTC | 25m |
| 2026-05-02 | QTR818 | DOH → HKG | May 2, 01:10 UTC | May 2, 05:55 UTC | 4h 45m |
| 2026-05-01 | QTR778 | MIA → DOH | May 1, 02:40 UTC | May 1, 14:00 UTC | 11h 20m |
| 2026-05-01 | QTR778 | MIA → DOH | May 1, 01:00 UTC | May 1, 01:30 UTC | 30m |
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 A7-ANP page for operator, model, and routing details .