sensors Mode-S transponder
06A0FA
ICAO 24-bit transponder address · allocated to Qatar
Currently assigned to A7-ALF · AIRBUS A-350-900
- Hex
- 06A0FA
- Octal
- 01520372
- Decimal
- 434,426
- Country
- QA
- Tail
- A7-ALF
- Type
- A359
- Flights observed
- 97
- Distinct callsigns
- 20
- Country
- QA
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 06A0FA 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 |
|---|---|---|---|
| QTR97A | Qatar Airways | 5 | 2026-05-07 |
| QTR9T | Qatar Airways | 4 | 2026-04-29 |
| QTR92Q | Qatar Airways | 4 | 2026-05-27 |
| QTR6B | Qatar Airways | 4 | 2026-04-20 |
| QTR955 | Qatar Airways | 3 | 2026-05-25 |
| QTR954 | Qatar Airways | 3 | 2026-05-06 |
| QTR891 | Qatar Airways | 3 | 2026-05-29 |
| QTR69G | Qatar Airways | 3 | 2026-04-25 |
| QTR54X | Qatar Airways | 3 | 2026-05-20 |
| QTR50K | Qatar Airways | 3 | 2026-05-23 |
| QTR30T | Qatar Airways | 3 | 2026-05-31 |
| QTR85P | Qatar Airways | 2 | 2026-04-27 |
| QTR7C | Qatar Airways | 2 | 2026-04-27 |
| QTR63B | - | 2 | 2026-04-25 |
| QTR5V | Qatar Airways | 2 | 2026-04-20 |
| QTR52U | Qatar Airways | 2 | 2026-05-20 |
| QTR51B | - | 2 | 2026-04-26 |
| QTR48K | Qatar Airways | 2 | 2026-05-21 |
| QTR41A | Qatar Airways | 2 | 2026-05-07 |
| QTR3J | Qatar Airways | 2 | 2026-05-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-01 | QTR8Q | LHR → DOH | Jun 1, 11:15 UTC | Jun 1, 14:55 UTC | 3h 40m |
| 2026-06-01 | QTR49Q | CPH → DOH | Jun 1, 07:15 UTC | Jun 1, 09:10 UTC | 1h 55m |
| 2026-05-31 | QTR30T | ATH → DOH | May 31, 09:45 UTC | May 31, 13:30 UTC | 3h 45m |
| 2026-05-29 | QTR891 | HGH → DOH | May 29, 04:55 UTC | May 29, 23:10 UTC | 18h 15m |
| 2026-05-29 | QTR891 | HGH → DOH | May 29, 02:35 UTC | May 29, 23:10 UTC | 20h 35m |
| 2026-05-29 | QTR891 | HGH → DOH | May 29, 01:45 UTC | May 29, 23:10 UTC | 21h 25m |
| 2026-05-28 | QTR27G | FCO → DOH | May 28, 14:30 UTC | May 28, 19:20 UTC | 4h 50m |
| 2026-05-27 | QTR92Q | MAN → DOH | May 27, 16:35 UTC | May 28, 11:45 UTC | 19h 10m |
| 2026-05-27 | QTR92Q | MAN → DOH | May 27, 16:05 UTC | May 28, 11:45 UTC | 19h 40m |
| 2026-05-27 | QTR30T | ATH → DOH | May 27, 13:20 UTC | May 27, 13:55 UTC | 35m |
| 2026-05-27 | QTR30T | ATH → DOH | May 27, 09:55 UTC | May 27, 10:40 UTC | 45m |
| 2026-05-26 | QTR4T | NCE → DOH | May 26, 14:09 UTC | May 27, 05:24 UTC | 15h 15m |
| 2026-05-25 | QTR955 | CGK → DOH | May 25, 21:49 UTC | May 25, 23:24 UTC | 1h 35m |
| 2026-05-25 | QTR955 | CGK → DOH | May 25, 18:05 UTC | May 25, 18:15 UTC | 10m |
| 2026-05-24 | QTR36G | AMS → DOH | May 24, 20:50 UTC | May 25, 14:00 UTC | 17h 10m |
| 2026-05-23 | QTR24G | DOH → MCT | May 23, 17:35 UTC | May 24, 02:55 UTC | 9h 20m |
| 2026-05-23 | QTR50K | DOH → ISB | May 23, 08:40 UTC | May 23, 10:35 UTC | 1h 55m |
| 2026-05-22 | QTR67G | - | May 22, 07:55 UTC | May 22, 13:30 UTC | 5h 35m |
| 2026-05-22 | QTR8J | ADL → DOH | May 22, 00:05 UTC | May 22, 05:35 UTC | 5h 30m |
| 2026-05-21 | QTR48K | IAH → DOH | May 21, 20:30 UTC | May 21, 21:00 UTC | 30m |
| 2026-05-21 | QTR48K | IAH → DOH | May 21, 15:20 UTC | May 21, 18:35 UTC | 3h 15m |
| 2026-05-20 | QTR54X | LHR → DOH | May 20, 22:20 UTC | May 20, 22:55 UTC | 35m |
| 2026-05-20 | QTR16K | CPH → DOH | May 20, 18:50 UTC | May 20, 19:40 UTC | 50m |
| 2026-05-20 | QTR3J | LUX → ATL | May 20, 05:00 UTC | May 20, 05:10 UTC | 10m |
| 2026-05-20 | QTR52U | BSL → DOH | May 20, 03:15 UTC | May 20, 03:25 UTC | 10m |
| 2026-05-19 | QTR27G | FCO → DOH | May 19, 14:30 UTC | May 19, 19:05 UTC | 4h 35m |
| 2026-05-18 | QTR92Q | MAN → DOH | May 18, 20:30 UTC | May 19, 11:45 UTC | 15h 15m |
| 2026-05-18 | QTR881 | CKG → DOH | May 18, 03:25 UTC | May 18, 23:25 UTC | 19h 59m |
| 2026-05-18 | QTR880 | DOH → CKG | May 18, 01:15 UTC | May 18, 23:25 UTC | 22h 9m |
| 2026-05-17 | QTR3J | LUX → ATL | May 17, 05:05 UTC | May 17, 05:15 UTC | 10m |
| 2026-05-16 | QTR52U | BSL → DOH | May 16, 23:45 UTC | May 17, 00:20 UTC | 35m |
| 2026-05-16 | QTR840 | DOH → HKT | May 16, 01:55 UTC | May 16, 18:00 UTC | 16h 6m |
| 2026-05-12 | QTR99X | DOH → CPH | May 12, 14:45 UTC | May 12, 17:25 UTC | 2h 40m |
| 2026-05-11 | QTR54X | LHR → DOH | May 11, 22:10 UTC | May 11, 22:35 UTC | 24m |
| 2026-05-11 | QTR39C | LAX → DOH | May 11, 08:50 UTC | May 11, 20:10 UTC | 11h 20m |
| 2026-05-11 | QTR6R | PER → DOH | May 11, 00:00 UTC | May 11, 00:10 UTC | 10m |
| 2026-05-10 | QTR841 | HKT → DOH | May 10, 03:25 UTC | May 10, 17:10 UTC | 13h 45m |
| 2026-05-09 | QTR39C | LAX → DOH | May 9, 08:40 UTC | May 10, 03:50 UTC | 19h 10m |
| 2026-05-07 | QTR41A | BCN → DOH | May 7, 21:50 UTC | May 8, 16:00 UTC | 18h 10m |
| 2026-05-07 | QTR97A | DOH → DFW | May 7, 14:55 UTC | May 7, 19:25 UTC | 4h 30m |
| 2026-05-06 | QTR97A | DOH → DFW | May 6, 22:00 UTC | May 7, 19:25 UTC | 21h 25m |
| 2026-05-06 | QTR97A | DOH → DFW | May 6, 18:35 UTC | May 7, 18:30 UTC | 23h 55m |
| 2026-05-06 | QTR97A | DOH → DFW | May 6, 18:10 UTC | May 7, 16:30 UTC | 22h 21m |
| 2026-05-06 | QTR954 | DOH → CGK | May 6, 10:45 UTC | May 6, 15:20 UTC | 4h 35m |
| 2026-05-05 | QTR41A | BCN → DOH | May 5, 21:25 UTC | May 6, 03:20 UTC | 5h 55m |
| 2026-05-05 | QTR97A | DOH → DFW | May 5, 14:55 UTC | May 5, 19:10 UTC | 4h 15m |
| 2026-05-05 | QTR571 | DEL → DOH | May 5, 05:20 UTC | May 5, 09:15 UTC | 3h 55m |
| 2026-05-05 | QTR51V | DOH → WAW | May 5, 02:35 UTC | May 5, 03:15 UTC | 40m |
| 2026-05-04 | QTR74N | DOH → MEL | May 4, 08:35 UTC | May 4, 11:55 UTC | 3h 20m |
| 2026-05-03 | QTR49F | CDG → DOH | May 3, 23:45 UTC | May 4, 00:10 UTC | 25m |
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-ALF page for operator, model, and routing details .