sensors Mode-S transponder
06A122
ICAO 24-bit transponder address · allocated to Qatar
Currently assigned to A7-ANF · AIRBUS A-350-1000
- Hex
- 06A122
- Octal
- 01520442
- Decimal
- 434,466
- Country
- QA
- Tail
- A7-ANF
- Type
- A35K
- Flights observed
- 80
- Distinct callsigns
- 20
- Country
- QA
- Last broadcast
- 9h ago
Last known position
Country allocation
The ICAO 24-bit address 06A122 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 |
|---|---|---|---|
| QTR40C | - | 10 | 2026-04-22 |
| QTR8M | Qatar Airways | 9 | 2026-05-18 |
| QTR5M | Qatar Airways | 9 | 2026-05-27 |
| QTR20V | Qatar Airways | 7 | 2026-05-29 |
| QTR778 | Qatar Airways | 5 | 2026-05-22 |
| QTR65R | Qatar Airways | 5 | 2026-05-20 |
| QTR29F | Qatar Airways | 5 | 2026-04-23 |
| QTR93V | Qatar Airways | 4 | 2026-05-21 |
| QTR87Q | Qatar Airways | 3 | 2026-05-30 |
| QTR706 | Qatar Airways | 2 | 2026-05-05 |
| QTR572 | Qatar Airways | 2 | 2026-05-25 |
| QTR47Y | Qatar Airways | 2 | 2026-05-12 |
| QTR15Q | Qatar Airways | 2 | 2026-05-04 |
| QTR93W | - | 1 | 2026-04-12 |
| QTR8Q | Qatar Airways | 1 | 2026-04-20 |
| QTR74N | Qatar Airways | 1 | 2026-04-24 |
| QTR65B | Qatar Airways | 1 | 2026-04-13 |
| QTR4U | Qatar Airways | 1 | 2026-05-09 |
| QTR4E | Qatar Airways | 1 | 2026-05-01 |
| QTR49Q | Qatar Airways | 1 | 2026-04-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | QTR87Q | ORD → DOH | May 30, 01:00 UTC | May 30, 11:45 UTC | 10h 45m |
| 2026-05-29 | QTR20V | DOH → ORD | May 29, 09:30 UTC | May 29, 20:45 UTC | 11h 15m |
| 2026-05-28 | QTR20V | DOH → ORD | May 28, 22:40 UTC | May 29, 20:45 UTC | 22h 5m |
| 2026-05-28 | QTR20V | DOH → ORD | May 28, 18:55 UTC | May 29, 15:40 UTC | 20h 45m |
| 2026-05-28 | QTR20V | DOH → ORD | May 28, 13:00 UTC | May 29, 12:25 UTC | 23h 25m |
| 2026-05-27 | QTR5M | EBL → DOH | May 27, 17:45 UTC | May 28, 06:20 UTC | 12h 35m |
| 2026-05-27 | QTR87Q | ORD → DOH | May 27, 01:09 UTC | May 27, 14:15 UTC | 13h 5m |
| 2026-05-26 | QTR20V | DOH → ORD | May 26, 09:40 UTC | May 26, 21:44 UTC | 12h 5m |
| 2026-05-25 | QTR20V | DOH → ORD | May 25, 23:14 UTC | May 26, 21:44 UTC | 22h 30m |
| 2026-05-25 | QTR572 | DOH → BLR | May 25, 19:54 UTC | May 25, 21:19 UTC | 1h 25m |
| 2026-05-25 | QTR87Q | ORD → DOH | May 25, 02:00 UTC | May 25, 15:00 UTC | 13h 0m |
| 2026-05-24 | QTR20V | DOH → ORD | May 24, 10:00 UTC | May 24, 21:50 UTC | 11h 50m |
| 2026-05-23 | QTR25J | - | May 23, 00:35 UTC | May 23, 00:45 UTC | 10m |
| 2026-05-22 | QTR778 | MIA → DOH | May 22, 01:55 UTC | May 22, 12:55 UTC | 11h 0m |
| 2026-05-21 | QTR93V | DOH → MIA | May 21, 08:45 UTC | May 21, 21:45 UTC | 13h 0m |
| 2026-05-20 | QTR93V | DOH → MIA | May 20, 23:15 UTC | May 21, 21:45 UTC | 22h 30m |
| 2026-05-20 | QTR572 | DOH → BLR | May 20, 19:55 UTC | May 20, 21:20 UTC | 1h 25m |
| 2026-05-20 | QTR65R | SEA → DOH | May 20, 01:25 UTC | May 20, 13:55 UTC | 12h 31m |
| 2026-05-18 | QTR8M | DOH → CMB | May 18, 15:40 UTC | May 19, 08:55 UTC | 17h 14m |
| 2026-05-18 | QTR8M | DOH → CMB | May 18, 13:00 UTC | May 19, 08:55 UTC | 19h 54m |
| 2026-05-17 | QTR5M | EBL → DOH | May 17, 21:30 UTC | May 18, 07:20 UTC | 9h 50m |
| 2026-05-17 | QTR5M | EBL → DOH | May 17, 10:35 UTC | May 18, 07:20 UTC | 20h 45m |
| 2026-05-17 | QTR65R | SEA → DOH | May 17, 06:35 UTC | May 18, 06:25 UTC | 23h 50m |
| 2026-05-17 | QTR65R | SEA → DOH | May 17, 02:35 UTC | May 17, 21:55 UTC | 19h 20m |
| 2026-05-17 | QTR65R | SEA → DOH | May 17, 01:20 UTC | May 17, 21:55 UTC | 20h 35m |
| 2026-05-13 | QTR3293 | AYT → DOH | May 13, 19:40 UTC | May 13, 23:50 UTC | 4h 10m |
| 2026-05-12 | QTR47Y | PHL → DOH | May 12, 14:45 UTC | May 12, 18:10 UTC | 3h 25m |
| 2026-05-11 | QTR65R | SEA → DOH | May 11, 02:25 UTC | May 11, 11:35 UTC | 9h 10m |
| 2026-05-10 | QTR18F | BUD → DOH | May 10, 08:35 UTC | May 10, 22:15 UTC | 13h 40m |
| 2026-05-09 | QTR4U | DOH → CDG | May 9, 11:10 UTC | May 9, 21:45 UTC | 10h 35m |
| 2026-05-09 | QTR40X | - | May 9, 07:05 UTC | May 9, 07:45 UTC | 40m |
| 2026-05-07 | QTR47Y | PHL → DOH | May 7, 15:10 UTC | May 7, 21:20 UTC | 6h 10m |
| 2026-05-07 | QTR28U | DOH → LHR | May 7, 09:05 UTC | May 7, 13:00 UTC | 3h 55m |
| 2026-05-05 | QTR706 | JFK → DOH | May 5, 05:35 UTC | May 5, 17:40 UTC | 12h 5m |
| 2026-05-04 | QTR15Q | DOH → JFK | May 4, 12:20 UTC | May 5, 01:45 UTC | 13h 26m |
| 2026-05-03 | QTR8M | DOH → CMB | May 3, 13:10 UTC | May 4, 03:00 UTC | 13h 50m |
| 2026-05-02 | QTR5M | EBL → DOH | May 2, 17:40 UTC | May 3, 06:20 UTC | 12h 39m |
| 2026-05-02 | QTR17E | JFK → DOH | May 2, 02:25 UTC | May 2, 14:30 UTC | 12h 5m |
| 2026-05-01 | QTR4E | DOH → BNE | May 1, 06:55 UTC | May 1, 20:25 UTC | 13h 30m |
| 2026-04-30 | QTR778 | MIA → DOH | Apr 30, 07:50 UTC | Apr 30, 14:15 UTC | 6h 25m |
| 2026-04-30 | QTR778 | MIA → DOH | Apr 30, 01:00 UTC | Apr 30, 01:20 UTC | 20m |
| 2026-04-29 | QTR93V | DOH → MIA | Apr 29, 06:29 UTC | Apr 29, 21:35 UTC | 15h 6m |
| 2026-04-28 | QTR778 | MIA → DOH | Apr 28, 07:35 UTC | Apr 28, 14:20 UTC | 6h 45m |
| 2026-04-28 | QTR778 | MIA → DOH | Apr 28, 01:00 UTC | Apr 28, 01:20 UTC | 20m |
| 2026-04-27 | QTR93V | DOH → MIA | Apr 27, 06:30 UTC | Apr 27, 21:55 UTC | 15h 25m |
| 2026-04-26 | QTR8M | DOH → CMB | Apr 26, 13:15 UTC | Apr 27, 03:00 UTC | 13h 45m |
| 2026-04-25 | QTR5M | EBL → DOH | Apr 25, 18:10 UTC | Apr 26, 07:15 UTC | 13h 5m |
| 2026-04-24 | QTR1T | BHX → DOH | Apr 24, 17:20 UTC | Apr 25, 02:00 UTC | 8h 40m |
| 2026-04-24 | QTR74N | DOH → MEL | Apr 24, 06:35 UTC | Apr 24, 10:25 UTC | 3h 50m |
| 2026-04-23 | QTR49F | CDG → DOH | Apr 23, 22:55 UTC | Apr 24, 02:55 UTC | 4h 0m |
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-ANF page for operator, model, and routing details .