Apparatus

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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
No current signal · last broadcast 9h ago
Flights observed
66
Distinct callsigns
11
Country
AU
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S 7C4922.

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 11 distinct

Callsign Airline Flights Last seen
QFA2 Qantas 13 2026-05-13
QFA7 Qantas 11 2026-05-29
QFA8 Qantas 10 2026-05-28
QFA1 Qantas 8 2026-05-11
QFA12 Qantas 7 2026-05-19
QFA11 Qantas 5 2026-05-16
QFA94 Qantas 4 2026-05-17
QFA93 Qantas 3 2026-05-18
QFA81 Qantas 3 2026-05-03
QFA82D Qantas 1 2026-05-04
QFA82 Qantas 1 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 QFA7 SYD → DFW May 29, 02:40 UTCMay 29, 17:25 UTC14h 45m
2026-05-28 QFA8 DFW → SYD May 28, 04:40 UTCMay 28, 21:00 UTC16h 20m
2026-05-27 QFA7 SYD → DFW May 27, 02:39 UTCMay 27, 17:15 UTC14h 36m
2026-05-25 QFA8 DFW → SYD May 25, 04:55 UTCMay 25, 21:19 UTC16h 24m
2026-05-24 QFA7 SYD → DFW May 24, 02:40 UTCMay 24, 16:55 UTC14h 15m
2026-05-23 QFA8 DFW → SYD May 23, 05:10 UTCMay 23, 22:10 UTC17h 1m
2026-05-22 QFA7 SYD → DFW May 22, 02:30 UTCMay 22, 17:10 UTC14h 40m
2026-05-21 QFA8 DFW → SYD May 21, 04:45 UTCMay 21, 21:15 UTC16h 30m
2026-05-20 QFA7 SYD → DFW May 20, 02:25 UTCMay 20, 16:55 UTC14h 31m
2026-05-19 QFA12 LAX → SYD May 19, 07:10 UTCMay 19, 21:40 UTC14h 30m
2026-05-18 QFA93 MEL → LAX May 18, 00:10 UTCMay 18, 13:55 UTC13h 45m
2026-05-17 QFA94 LAX → MEL May 17, 05:20 UTCMay 17, 20:40 UTC15h 20m
2026-05-16 QFA11 SYD → LAX May 16, 08:11 UTCMay 16, 21:10 UTC13h 0m
2026-05-15 QFA8 DFW → SYD May 15, 06:45 UTCMay 15, 23:40 UTC16h 54m
2026-05-14 QFA7 SYD → DFW May 14, 03:25 UTCMay 14, 17:35 UTC14h 10m
2026-05-13 QFA2 LHR → SIN May 13, 18:35 UTCMay 13, 19:15 UTC40m
2026-05-12 QFA2 LHR → SIN May 12, 20:10 UTCMay 13, 08:10 UTC12h 0m
2026-05-11 QFA1 SYD → SIN May 11, 17:45 UTCMay 12, 07:20 UTC13h 35m
2026-05-11 QFA1 SYD → SIN May 11, 07:45 UTCMay 11, 08:20 UTC35m
2026-05-10 QFA12 LAX → SYD May 10, 21:04 UTCMay 10, 21:54 UTC50m
2026-05-10 QFA12 LAX → SYD May 10, 07:25 UTCMay 10, 07:50 UTC25m
2026-05-09 QFA93 MEL → LAX May 9, 00:30 UTCMay 9, 14:10 UTC13h 40m
2026-05-08 QFA94 LAX → MEL May 8, 17:35 UTCMay 8, 20:40 UTC3h 5m
2026-05-08 QFA94 LAX → MEL May 8, 05:35 UTCMay 8, 05:59 UTC25m
2026-05-04 QFA11 SYD → LAX May 4, 12:40 UTCMay 5, 01:15 UTC12h 36m
2026-05-04 QFA82D SIN → SYD May 4, 09:30 UTCMay 4, 10:05 UTC35m
2026-05-03 QFA81 SYD → SIN May 3, 09:30 UTCMay 3, 09:40 UTC10m
2026-05-03 QFA81 SYD → SIN May 3, 01:25 UTCMay 3, 02:20 UTC55m
2026-05-02 QFA2 LHR → SIN May 2, 18:20 UTCMay 2, 19:05 UTC45m
2026-05-01 QFA2 LHR → SIN May 1, 20:35 UTCMay 2, 09:15 UTC12h 41m
2026-04-30 QFA1 SYD → SIN Apr 30, 17:35 UTCMay 1, 07:05 UTC13h 30m
2026-04-30 QFA1 SYD → SIN Apr 30, 12:30 UTCApr 30, 12:40 UTC10m
2026-04-30 QFA1 SYD → SIN Apr 30, 05:10 UTCApr 30, 05:40 UTC30m
2026-04-29 QFA2 LHR → SIN Apr 29, 18:20 UTCApr 29, 19:05 UTC45m
2026-04-28 QFA2 LHR → SIN Apr 28, 20:20 UTCApr 29, 08:25 UTC12h 5m
2026-04-27 QFA1 SYD → SIN Apr 27, 16:30 UTCApr 28, 05:55 UTC13h 25m
2026-04-27 QFA1 SYD → SIN Apr 27, 12:55 UTCApr 27, 13:05 UTC10m
2026-04-27 QFA1 SYD → SIN Apr 27, 05:40 UTCApr 27, 06:10 UTC30m
2026-04-26 QFA82 SIN → SYD Apr 26, 20:05 UTCApr 26, 20:50 UTC45m
2026-04-26 QFA81 SYD → SIN Apr 26, 01:05 UTCApr 26, 01:35 UTC30m
2026-04-25 QFA8 DFW → SYD Apr 25, 04:35 UTCApr 25, 21:05 UTC16h 30m
2026-04-24 QFA7 SYD → DFW Apr 24, 02:40 UTCApr 24, 17:15 UTC14h 35m
2026-04-23 QFA12 LAX → SYD Apr 23, 07:30 UTCApr 23, 21:50 UTC14h 19m
2026-04-20 QFA93 MEL → LAX Apr 20, 01:10 UTCApr 20, 14:50 UTC13h 40m
2026-04-19 QFA94 LAX → MEL Apr 19, 06:30 UTCApr 19, 21:50 UTC15h 20m
2026-04-18 QFA11 SYD → LAX Apr 18, 08:15 UTCApr 18, 21:05 UTC12h 50m
2026-04-17 QFA8 DFW → SYD Apr 17, 21:25 UTCApr 17, 21:35 UTC10m
2026-04-17 QFA8 DFW → SYD Apr 17, 20:40 UTCApr 17, 21:20 UTC40m
2026-04-17 QFA8 DFW → SYD Apr 17, 05:20 UTCApr 17, 05:35 UTC15m
2026-04-17 QFA8 DFW → SYD Apr 17, 04:30 UTCApr 17, 05:15 UTC46m

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 .

Mode-S 7C4922 frequently asked

What is Mode-S code 7C4922?
7C4922 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-OQC.
Where is Mode-S 7C4922 registered?
Mode-S code 7C4922 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C4922 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C4922, octal 37044442, decimal 8,145,186.
What flights does 7C4922 operate?
Mode-S 7C4922 has broadcast 11 distinct callsigns, including QFA2, QFA7, QFA8, QFA1, QFA12.