sensors Mode-S transponder
7C4922
ICAO 24-bit transponder address · allocated to Australia
Currently assigned to VH-OQC · AIRBUS A-380-800 · operated by QANTAS AIRWAYS LIMITED
- Hex
- 7C4922
- Octal
- 37044442
- Decimal
- 8,145,186
- Country
- AU
- Tail
- VH-OQC
- Type
- A388
- Flights observed
- 124
- Distinct callsigns
- 16
- Country
- AU
- Last broadcast
- 45m ago
Current position
Country allocation
The ICAO 24-bit address 7C4922 falls within the block assigned to Australia (AU) by ICAO Annex 10, Volume III. Every aircraft registered in Australia 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 16 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| QFA2 | - | 23 | 2026-07-12 |
| QFA7 | - | 19 | 2026-07-13 |
| QFA1 | - | 18 | 2026-07-10 |
| QFA8 | - | 17 | 2026-07-14 |
| QFA12 | - | 13 | 2026-07-09 |
| QFA81 | - | 7 | 2026-07-05 |
| QFA11 | - | 7 | 2026-07-07 |
| QFA94 | Qantas | 4 | 2026-05-17 |
| QFA93 | Qantas | 3 | 2026-05-18 |
| QFA82 | Qantas | 3 | 2026-07-05 |
| QFA64 | - | 3 | 2026-07-06 |
| QFA63 | - | 2 | 2026-07-06 |
| QFA335 | - | 2 | 2026-06-28 |
| QFA8D | - | 1 | 2026-07-03 |
| QFA82D | Qantas | 1 | 2026-05-04 |
| QFA6041 | - | 1 | 2026-06-29 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | QFA8 | - | Jul 14, 05:10 UTC | Jul 14, 06:10 UTC | 1h 0m |
| 2026-07-13 | QFA7 | SYD → DFW | Jul 13, 03:01 UTC | Jul 13, 18:15 UTC | 15h 15m |
| 2026-07-12 | QFA2 | - | Jul 12, 13:20 UTC | Jul 12, 19:05 UTC | 5h 45m |
| 2026-07-11 | QFA2 | - | Jul 11, 20:45 UTC | Jul 12, 09:00 UTC | 12h 15m |
| 2026-07-10 | QFA1 | - | Jul 10, 16:30 UTC | Jul 11, 05:55 UTC | 13h 25m |
| 2026-07-10 | QFA1 | - | Jul 10, 05:10 UTC | Jul 10, 05:45 UTC | 35m |
| 2026-07-09 | QFA12 | - | Jul 9, 20:00 UTC | Jul 9, 21:35 UTC | 1h 35m |
| 2026-07-09 | QFA12 | - | Jul 9, 07:20 UTC | Jul 9, 07:45 UTC | 25m |
| 2026-07-07 | QFA11 | - | Jul 7, 08:25 UTC | Jul 7, 21:20 UTC | 12h 55m |
| 2026-07-06 | QFA64 | - | Jul 6, 17:20 UTC | Jul 7, 05:00 UTC | 11h 40m |
| 2026-07-06 | QFA63 | SYD → JNB | Jul 6, 00:25 UTC | Jul 6, 14:00 UTC | 13h 35m |
| 2026-07-05 | QFA82 | SIN → SYD | Jul 5, 13:40 UTC | Jul 5, 20:55 UTC | 7h 15m |
| 2026-07-05 | QFA81 | - | Jul 5, 08:50 UTC | Jul 5, 09:00 UTC | 10m |
| 2026-07-05 | QFA81 | - | Jul 5, 01:25 UTC | Jul 5, 02:00 UTC | 35m |
| 2026-07-03 | QFA8D | DFW → SYD | Jul 3, 07:10 UTC | Jul 3, 23:25 UTC | 16h 15m |
| 2026-07-01 | QFA7 | SYD → DFW | Jul 1, 03:25 UTC | Jul 1, 17:55 UTC | 14h 30m |
| 2026-06-30 | QFA12 | - | Jun 30, 21:10 UTC | Jun 30, 22:50 UTC | 1h 40m |
| 2026-06-30 | QFA12 | - | Jun 30, 08:25 UTC | Jun 30, 08:50 UTC | 25m |
| 2026-06-29 | QFA6041 | - | Jun 29, 14:14 UTC | Jun 30, 01:25 UTC | 11h 10m |
| 2026-06-28 | QFA335 | - | Jun 28, 21:40 UTC | Jun 29, 10:50 UTC | 13h 10m |
| 2026-06-28 | QFA335 | - | Jun 28, 11:19 UTC | Jun 28, 12:15 UTC | 55m |
| 2026-06-28 | QFA64 | - | Jun 28, 01:25 UTC | Jun 28, 05:15 UTC | 3h 50m |
| 2026-06-27 | QFA64 | - | Jun 27, 17:44 UTC | Jun 27, 17:59 UTC | 15m |
| 2026-06-27 | QFA63 | - | Jun 27, 00:25 UTC | Jun 27, 14:09 UTC | 13h 45m |
| 2026-06-26 | QFA8 | DFW → SYD | Jun 26, 05:05 UTC | Jun 26, 21:04 UTC | 16h 0m |
| 2026-06-25 | QFA7 | SYD → DFW | Jun 25, 03:24 UTC | Jun 25, 18:04 UTC | 14h 40m |
| 2026-06-24 | QFA8 | DFW → SYD | Jun 24, 04:44 UTC | Jun 24, 20:54 UTC | 16h 10m |
| 2026-06-23 | QFA7 | SYD → DFW | Jun 23, 03:04 UTC | Jun 23, 17:50 UTC | 14h 45m |
| 2026-06-22 | QFA2 | - | Jun 22, 18:35 UTC | Jun 22, 19:05 UTC | 30m |
| 2026-06-21 | QFA2 | - | Jun 21, 20:45 UTC | Jun 22, 09:19 UTC | 12h 35m |
| 2026-06-20 | QFA1 | - | Jun 20, 15:54 UTC | Jun 21, 05:20 UTC | 13h 25m |
| 2026-06-20 | QFA1 | - | Jun 20, 05:19 UTC | Jun 20, 05:54 UTC | 35m |
| 2026-06-19 | QFA12 | - | Jun 19, 19:45 UTC | Jun 19, 21:24 UTC | 1h 40m |
| 2026-06-19 | QFA12 | - | Jun 19, 07:09 UTC | Jun 19, 07:34 UTC | 25m |
| 2026-06-17 | QFA11 | - | Jun 17, 08:55 UTC | Jun 17, 21:50 UTC | 12h 55m |
| 2026-06-15 | QFA2 | - | Jun 15, 11:54 UTC | Jun 15, 19:05 UTC | 7h 10m |
| 2026-06-14 | QFA2 | - | Jun 14, 20:40 UTC | Jun 15, 08:49 UTC | 12h 9m |
| 2026-06-13 | QFA1 | - | Jun 13, 16:15 UTC | Jun 14, 05:50 UTC | 13h 36m |
| 2026-06-13 | QFA1 | - | Jun 13, 05:20 UTC | Jun 13, 06:15 UTC | 55m |
| 2026-06-12 | QFA82 | SIN → SYD | Jun 12, 15:10 UTC | Jun 12, 20:45 UTC | 5h 35m |
| 2026-06-12 | QFA81 | SYD → SIN | Jun 12, 09:10 UTC | Jun 12, 09:20 UTC | 10m |
| 2026-06-12 | QFA81 | SYD → SIN | Jun 12, 01:40 UTC | Jun 12, 02:10 UTC | 30m |
| 2026-06-11 | QFA8 | DFW → SYD | Jun 11, 05:00 UTC | Jun 11, 21:00 UTC | 16h 0m |
| 2026-06-10 | QFA7 | SYD → DFW | Jun 10, 16:00 UTC | Jun 10, 17:15 UTC | 1h 15m |
| 2026-06-10 | QFA7 | SYD → DFW | Jun 10, 02:40 UTC | Jun 10, 09:15 UTC | 6h 35m |
| 2026-06-09 | QFA8 | DFW → SYD | Jun 9, 05:20 UTC | Jun 9, 21:25 UTC | 16h 5m |
| 2026-06-08 | QFA7 | SYD → DFW | Jun 8, 02:45 UTC | Jun 8, 17:20 UTC | 14h 35m |
| 2026-06-07 | QFA8 | DFW → SYD | Jun 7, 06:00 UTC | Jun 7, 22:35 UTC | 16h 35m |
| 2026-06-06 | QFA7 | SYD → DFW | Jun 6, 02:55 UTC | Jun 6, 17:40 UTC | 14h 45m |
| 2026-06-05 | QFA2 | LHR → SIN | Jun 5, 12:30 UTC | Jun 5, 19:15 UTC | 6h 45m |
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 VH-OQC page for operator, model, and routing details .