sensors Mode-S transponder
06A12D
ICAO 24-bit transponder address · allocated to Qatar
Currently assigned to A7-ANQ · AIRBUS A-350-1000
- Hex
- 06A12D
- Octal
- 01520455
- Decimal
- 434,477
- Country
- QA
- Tail
- A7-ANQ
- Type
- A35K
- Flights observed
- 175
- Distinct callsigns
- 20
- Country
- QA
- Last broadcast
- 1h ago
Current position
Country allocation
The ICAO 24-bit address 06A12D 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 |
|---|---|---|---|
| QTR70E | - | 11 | 2026-06-17 |
| QTR20V | Qatar Airways | 11 | 2026-05-06 |
| QTR17E | - | 9 | 2026-05-17 |
| QTR98P | Qatar Airways | 8 | 2026-05-07 |
| QTR4E | Qatar Airways | 7 | 2026-04-30 |
| QTR22B | - | 7 | 2026-06-18 |
| QTR572 | - | 6 | 2026-07-07 |
| QTR93V | - | 5 | 2026-07-13 |
| QTR779 | - | 5 | 2026-07-06 |
| QTR58G | - | 5 | 2026-07-08 |
| QTR40X | - | 5 | 2026-06-07 |
| QTR32N | Qatar Airways | 5 | 2026-07-07 |
| QTR29F | Qatar Airways | 5 | 2026-05-11 |
| QTR1X | - | 5 | 2026-07-09 |
| QTR780 | - | 4 | 2026-07-06 |
| QTR778 | - | 4 | 2026-07-14 |
| QTR27R | - | 4 | 2026-06-09 |
| QTR18F | - | 4 | 2026-06-15 |
| QTR7E | Qatar Airways | 3 | 2026-07-03 |
| QTR774 | Qatar Airways | 3 | 2026-06-05 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | QTR778 | - | Jul 14, 00:05 UTC | Jul 14, 11:15 UTC | 11h 10m |
| 2026-07-13 | QTR93V | - | Jul 13, 09:10 UTC | Jul 13, 20:50 UTC | 11h 40m |
| 2026-07-13 | QTR93V | - | Jul 13, 08:20 UTC | Jul 13, 09:05 UTC | 45m |
| 2026-07-13 | QTR93V | - | Jul 13, 06:15 UTC | Jul 13, 06:45 UTC | 30m |
| 2026-07-13 | QTR1157 | - | Jul 13, 02:35 UTC | Jul 13, 03:30 UTC | 55m |
| 2026-07-13 | QTR1156 | - | Jul 13, 00:01 UTC | Jul 13, 00:35 UTC | 35m |
| 2026-07-12 | QTR98E | - | Jul 12, 15:35 UTC | Jul 12, 21:20 UTC | 5h 45m |
| 2026-07-12 | QTR5X | - | Jul 12, 07:15 UTC | Jul 12, 12:55 UTC | 5h 40m |
| 2026-07-11 | QTR66X | - | Jul 11, 19:20 UTC | Jul 11, 19:45 UTC | 25m |
| 2026-07-11 | QTR66X | - | Jul 11, 05:55 UTC | Jul 11, 17:10 UTC | 11h 15m |
| 2026-07-10 | QTR3V | - | Jul 10, 05:20 UTC | Jul 10, 13:55 UTC | 8h 35m |
| 2026-07-09 | QTR3V | - | Jul 9, 11:20 UTC | Jul 10, 06:40 UTC | 19h 20m |
| 2026-07-09 | QTR1X | - | Jul 9, 09:20 UTC | Jul 10, 06:40 UTC | 21h 20m |
| 2026-07-09 | QTR1X | - | Jul 9, 07:20 UTC | Jul 10, 06:40 UTC | 23h 20m |
| 2026-07-08 | QTR1X | - | Jul 8, 23:40 UTC | Jul 9, 11:50 UTC | 12h 10m |
| 2026-07-08 | QTR58G | - | Jul 8, 07:05 UTC | Jul 8, 20:45 UTC | 13h 40m |
| 2026-07-08 | QTR58G | - | Jul 8, 05:30 UTC | Jul 8, 05:45 UTC | 15m |
| 2026-07-07 | QTR32N | DOH → SJJ | Jul 7, 22:45 UTC | Jul 8, 02:10 UTC | 3h 25m |
| 2026-07-07 | QTR572 | - | Jul 7, 17:10 UTC | Jul 7, 20:55 UTC | 3h 45m |
| 2026-07-06 | QTR780 | - | Jul 6, 23:55 UTC | Jul 7, 13:00 UTC | 13h 5m |
| 2026-07-06 | QTR779 | - | Jul 6, 11:25 UTC | Jul 6, 13:05 UTC | 1h 40m |
| 2026-07-05 | QTR779 | - | Jul 5, 22:50 UTC | Jul 5, 23:15 UTC | 25m |
| 2026-07-05 | QTR51U | - | Jul 5, 04:50 UTC | Jul 5, 19:00 UTC | 14h 10m |
| 2026-07-03 | QTR7E | MAD → BSL | Jul 3, 23:15 UTC | Jul 4, 14:55 UTC | 15h 40m |
| 2026-07-03 | QTR51U | DFW → DOH | Jul 3, 05:20 UTC | Jul 3, 19:25 UTC | 14h 5m |
| 2026-07-01 | QTR7E | MAD → BSL | Jul 1, 23:25 UTC | Jul 2, 14:55 UTC | 15h 30m |
| 2026-06-30 | QTR1X | - | Jun 30, 23:40 UTC | Jul 1, 14:10 UTC | 14h 30m |
| 2026-06-30 | QTR58G | - | Jun 30, 05:20 UTC | Jun 30, 20:25 UTC | 15h 5m |
| 2026-06-29 | QTR1189 | - | Jun 29, 21:24 UTC | Jun 29, 21:54 UTC | 30m |
| 2026-06-29 | QTR1188 | - | Jun 29, 16:10 UTC | Jun 29, 16:39 UTC | 30m |
| 2026-06-28 | QTR756 | ATL → DOH | Jun 28, 23:39 UTC | Jun 29, 13:04 UTC | 13h 25m |
| 2026-06-28 | QTR16A | - | Jun 28, 07:44 UTC | Jun 28, 19:29 UTC | 11h 45m |
| 2026-06-28 | QTR16A | - | Jun 28, 05:29 UTC | Jun 28, 06:05 UTC | 35m |
| 2026-06-27 | QTR1X | DOH → LHR | Jun 27, 00:44 UTC | Jun 27, 15:14 UTC | 14h 30m |
| 2026-06-26 | QTR58G | DOH → IAH | Jun 26, 07:50 UTC | Jun 26, 21:15 UTC | 13h 25m |
| 2026-06-26 | QTR58G | DOH → IAH | Jun 26, 05:39 UTC | Jun 26, 06:09 UTC | 30m |
| 2026-06-25 | QTR859 | - | Jun 25, 17:39 UTC | Jun 26, 01:54 UTC | 8h 15m |
| 2026-06-25 | QTR859 | - | Jun 25, 16:29 UTC | Jun 25, 16:39 UTC | 10m |
| 2026-06-25 | QTR858 | - | Jun 25, 08:24 UTC | Jun 25, 08:55 UTC | 30m |
| 2026-06-25 | QTR858 | - | Jun 25, 00:44 UTC | Jun 25, 07:39 UTC | 6h 55m |
| 2026-06-24 | QTR51U | DFW → DOH | Jun 24, 04:15 UTC | Jun 24, 18:20 UTC | 14h 5m |
| 2026-06-22 | QTR7E | MAD → BSL | Jun 22, 23:10 UTC | Jun 23, 14:39 UTC | 15h 30m |
| 2026-06-22 | QTR35P | BUD → DOH | Jun 22, 00:04 UTC | Jun 22, 15:54 UTC | 15h 50m |
| 2026-06-21 | QTR90B | CPT → DOH | Jun 21, 05:35 UTC | Jun 21, 21:34 UTC | 16h 0m |
| 2026-06-20 | QTR1K | - | Jun 20, 18:29 UTC | Jun 21, 01:35 UTC | 7h 5m |
| 2026-06-20 | QTR35P | BUD → DOH | Jun 20, 00:24 UTC | Jun 20, 16:09 UTC | 15h 45m |
| 2026-06-19 | QTR90B | CPT → DOH | Jun 19, 05:54 UTC | Jun 19, 21:34 UTC | 15h 40m |
| 2026-06-18 | QTR22B | - | Jun 18, 00:05 UTC | Jun 18, 14:45 UTC | 14h 40m |
| 2026-06-17 | QTR70E | DOH → DFW | Jun 17, 05:30 UTC | Jun 17, 20:40 UTC | 15h 10m |
| 2026-06-16 | QTR32N | DOH → SJJ | Jun 16, 22:40 UTC | Jun 16, 23:50 UTC | 1h 10m |
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-ANQ page for operator, model, and routing details .