sensors Mode-S transponder
06A124
ICAO 24-bit transponder address · allocated to Qatar
Currently assigned to A7-ANH · AIRBUS A-350-1000
- Hex
- 06A124
- Octal
- 01520444
- Decimal
- 434,468
- Country
- QA
- Tail
- A7-ANH
- Type
- A35K
- Flights observed
- 102
- Distinct callsigns
- 20
- Country
- QA
- Last broadcast
- 4h ago
Last known position
Country allocation
The ICAO 24-bit address 06A124 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 |
|---|---|---|---|
| QTR93V | Qatar Airways | 13 | 2026-05-07 |
| QTR17E | - | 12 | 2026-05-22 |
| QTR778 | Qatar Airways | 9 | 2026-05-08 |
| QTR7P | Qatar Airways | 6 | 2026-05-04 |
| QTR57H | - | 6 | 2026-05-24 |
| QTR818 | Qatar Airways | 5 | 2026-05-20 |
| QTR21L | Qatar Airways | 5 | 2026-05-04 |
| QTR87Q | Qatar Airways | 4 | 2026-05-11 |
| QTR815 | Qatar Airways | 4 | 2026-05-20 |
| QTR706 | Qatar Airways | 3 | 2026-05-25 |
| QTR4E | Qatar Airways | 3 | 2026-04-25 |
| QTR93W | Qatar Airways | 2 | 2026-05-09 |
| QTR74V | Qatar Airways | 2 | 2026-05-16 |
| QTR65R | Qatar Airways | 2 | 2026-05-14 |
| QTR572 | Qatar Airways | 2 | 2026-05-23 |
| QTR29F | Qatar Airways | 2 | 2026-05-23 |
| QTR200 | - | 2 | 2026-05-29 |
| QTR15Q | Qatar Airways | 2 | 2026-04-20 |
| QTR98E | - | 1 | 2026-05-26 |
| QTR83J | Qatar Airways | 1 | 2026-05-29 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | QTR200 | - | May 29, 18:55 UTC | May 29, 19:25 UTC | 30m |
| 2026-05-29 | QTR200 | - | May 29, 14:50 UTC | May 29, 17:35 UTC | 2h 45m |
| 2026-05-29 | QTR83J | DOH → BUD | May 29, 07:30 UTC | May 29, 12:35 UTC | 5h 5m |
| 2026-05-26 | QTR98E | - | May 26, 14:55 UTC | May 26, 18:05 UTC | 3h 10m |
| 2026-05-26 | QTR5X | DOH → ALG | May 26, 08:15 UTC | May 26, 11:05 UTC | 2h 50m |
| 2026-05-25 | QTR706 | JFK → DOH | May 25, 06:20 UTC | May 25, 18:50 UTC | 12h 30m |
| 2026-05-24 | QTR57H | - | May 24, 14:45 UTC | May 24, 23:46 UTC | 9h 1m |
| 2026-05-23 | QTR57H | - | May 23, 23:25 UTC | May 24, 19:45 UTC | 20h 20m |
| 2026-05-23 | QTR572 | DOH → BLR | May 23, 19:50 UTC | May 23, 21:15 UTC | 1h 25m |
| 2026-05-23 | QTR29F | LHR → DOH | May 23, 07:40 UTC | May 23, 13:55 UTC | 6h 15m |
| 2026-05-23 | QTR57W | BRU → DOH | May 23, 00:20 UTC | May 23, 05:15 UTC | 4h 55m |
| 2026-05-22 | QTR17E | - | May 22, 02:50 UTC | May 22, 14:45 UTC | 11h 55m |
| 2026-05-20 | QTR815 | HKG → DOH | May 20, 20:35 UTC | May 21, 00:30 UTC | 3h 55m |
| 2026-05-20 | QTR815 | HKG → DOH | May 20, 18:35 UTC | May 20, 18:50 UTC | 15m |
| 2026-05-20 | QTR818 | DOH → HKG | May 20, 07:15 UTC | May 20, 07:50 UTC | 35m |
| 2026-05-20 | QTR818 | DOH → HKG | May 20, 02:05 UTC | May 20, 05:05 UTC | 3h 1m |
| 2026-05-19 | QTR706 | JFK → DOH | May 19, 05:45 UTC | May 19, 17:40 UTC | 11h 55m |
| 2026-05-18 | QTR57H | - | May 18, 12:55 UTC | May 19, 02:10 UTC | 13h 14m |
| 2026-05-17 | QTR57H | - | May 17, 23:05 UTC | May 18, 21:30 UTC | 22h 24m |
| 2026-05-17 | QTR57H | - | May 17, 22:50 UTC | May 18, 21:00 UTC | 22h 9m |
| 2026-05-17 | QTR57H | - | May 17, 19:40 UTC | May 18, 19:00 UTC | 23h 19m |
| 2026-05-17 | QTR16M | AMS → DOH | May 17, 12:30 UTC | May 18, 00:20 UTC | 11h 50m |
| 2026-05-16 | QTR74V | DOH → ATL | May 16, 11:51 UTC | May 17, 07:00 UTC | 19h 10m |
| 2026-05-16 | QTR74V | DOH → ATL | May 16, 09:06 UTC | May 17, 07:00 UTC | 21h 55m |
| 2026-05-16 | QTR17E | - | May 16, 07:41 UTC | May 17, 07:00 UTC | 23h 20m |
| 2026-05-16 | QTR17E | - | May 16, 03:05 UTC | May 16, 21:55 UTC | 18h 51m |
| 2026-05-16 | QTR17E | - | May 16, 02:45 UTC | May 16, 21:55 UTC | 19h 10m |
| 2026-05-15 | QTR20R | DOH → JFK | May 15, 11:05 UTC | May 15, 20:05 UTC | 8h 59m |
| 2026-05-14 | QTR65R | SEA → DOH | May 14, 02:05 UTC | May 14, 14:45 UTC | 12h 40m |
| 2026-05-12 | QTR815 | HKG → DOH | May 12, 20:25 UTC | May 13, 08:45 UTC | 12h 20m |
| 2026-05-12 | QTR815 | HKG → DOH | May 12, 18:20 UTC | May 12, 18:35 UTC | 15m |
| 2026-05-12 | QTR818 | DOH → HKG | May 12, 02:45 UTC | May 12, 07:40 UTC | 4h 55m |
| 2026-05-11 | QTR818 | DOH → HKG | May 11, 11:05 UTC | May 12, 07:40 UTC | 20h 36m |
| 2026-05-11 | QTR818 | DOH → HKG | May 11, 09:05 UTC | May 12, 07:40 UTC | 22h 36m |
| 2026-05-11 | QTR87Q | ORD → DOH | May 11, 07:05 UTC | May 12, 07:00 UTC | 23h 55m |
| 2026-05-11 | QTR87Q | ORD → DOH | May 11, 06:30 UTC | May 12, 05:00 UTC | 22h 30m |
| 2026-05-11 | QTR87Q | ORD → DOH | May 11, 03:05 UTC | May 12, 03:00 UTC | 23h 55m |
| 2026-05-11 | QTR87Q | ORD → DOH | May 11, 01:00 UTC | May 11, 11:15 UTC | 10h 15m |
| 2026-05-10 | QTR20V | DOH → ORD | May 10, 07:04 UTC | May 10, 21:14 UTC | 14h 10m |
| 2026-05-09 | QTR93W | TRV → DOH | May 9, 17:55 UTC | May 9, 23:50 UTC | 5h 55m |
| 2026-05-09 | QTR29F | LHR → DOH | May 9, 07:30 UTC | May 9, 11:15 UTC | 3h 45m |
| 2026-05-09 | QTR40C | - | May 9, 00:55 UTC | May 9, 05:10 UTC | 4h 15m |
| 2026-05-08 | QTR778 | MIA → DOH | May 8, 02:59 UTC | May 8, 16:25 UTC | 13h 25m |
| 2026-05-07 | QTR93V | DOH → MIA | May 7, 11:35 UTC | May 8, 00:20 UTC | 12h 44m |
| 2026-05-06 | QTR65R | SEA → DOH | May 6, 03:20 UTC | May 6, 15:40 UTC | 12h 20m |
| 2026-05-05 | QTR18F | BUD → DOH | May 5, 14:00 UTC | May 6, 00:10 UTC | 10h 10m |
| 2026-05-04 | QTR21L | LAX → LGG | May 4, 15:15 UTC | May 4, 21:35 UTC | 6h 21m |
| 2026-05-04 | QTR7P | PHL → DOH | May 4, 05:50 UTC | May 4, 13:00 UTC | 7h 10m |
| 2026-05-03 | QTR21L | LAX → LGG | May 3, 15:20 UTC | May 3, 21:44 UTC | 6h 25m |
| 2026-05-03 | QTR7P | PHL → DOH | May 3, 05:40 UTC | May 3, 06:20 UTC | 40m |
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-ANH page for operator, model, and routing details .