Apparatus

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sensors Mode-S transponder

7C6D9E

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-VXS · BOEING 737-800 · operated by QANTAS AIRWAYS LIMITED

Hex
7C6D9E
Octal
37066636
Decimal
8,154,526
Country
AU
Tail
VH-VXS
Type
B738
No current signal · last broadcast Jul 26, 03:40 UTC
Flights observed
382
Distinct callsigns
20
Country
AU
Last broadcast
Jul 26, 03:40 UTC

Last known position

Most recent position reported by Mode-S 7C6D9E.

Country allocation

The ICAO 24-bit address 7C6D9E 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 20 distinct

Callsign Airline Flights Last seen
QFA919 - 10 2026-06-26
QFA918 - 9 2026-06-26
QFA934 - 6 2026-07-09
QFA824 - 5 2026-07-15
QFA775 - 5 2026-07-09
QFA770 - 5 2026-06-28
QFA749 Qantas 5 2026-06-03
QFA605 - 5 2026-07-11
QFA596 - 5 2026-06-24
QFA509 - 5 2026-07-16
QFA501 - 5 2026-07-10
QFA937 Qantas 4 2026-07-25
QFA825 - 4 2026-07-16
QFA767 - 4 2026-06-28
QFA737 - 4 2026-07-03
QFA735 - 4 2026-07-17
QFA591 - 4 2026-07-12
QFA515 - 4 2026-07-02
QFA443 - 4 2026-07-13
QFA409 - 4 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 QFA762 PER → MEL Jul 26, 00:25 UTCJul 26, 03:35 UTC3h 10m
2026-07-25 QFA937 BNE → PER Jul 25, 05:35 UTCJul 25, 08:50 UTC3h 15m
2026-07-25 QFA937 BNE → PER Jul 25, 03:45 UTCJul 25, 04:40 UTC55m
2026-07-25 QFA612 MEL → BNE Jul 25, 00:40 UTCJul 25, 02:30 UTC1h 50m
2026-07-24 QFA607 BNE → MEL Jul 24, 20:40 UTCJul 24, 22:50 UTC2h 10m
2026-07-24 QFA942 PER → BNE Jul 24, 15:00 UTCJul 24, 19:00 UTC4h 0m
2026-07-24 QFA651 BNE → PER Jul 24, 06:25 UTCJul 24, 10:50 UTC4h 25m
2026-07-24 QFA644 PER → SYD Jul 24, 01:15 UTCJul 24, 05:00 UTC3h 45m
2026-07-23 QFA883 SYD → CBR Jul 23, 20:55 UTCJul 23, 23:45 UTC2h 50m
2026-07-23 QFA745 SYD → ADL Jul 23, 10:25 UTCJul 23, 10:50 UTC25m
2026-07-23 QFA745 SYD → ADL Jul 23, 09:00 UTCJul 23, 09:35 UTC35m
2026-07-23 QFA791 ASP → SYD Jul 23, 05:55 UTCJul 23, 06:35 UTC40m
2026-07-23 QFA790 SYD → ASP Jul 23, 00:15 UTCJul 23, 00:40 UTC25m
2026-07-22 QFA414 MEL → SYD Jul 22, 21:30 UTCJul 22, 22:30 UTC1h 0m
2026-07-20 QFA696 ADL → MEL Jul 20, 10:25 UTCJul 20, 11:25 UTC1h 0m
2026-07-20 QFA693 MEL → ADL Jul 20, 08:20 UTCJul 20, 09:30 UTC1h 10m
2026-07-20 QFA459 SYD → MEL Jul 20, 05:55 UTCJul 20, 07:00 UTC1h 5m
2026-07-20 QFA446 MEL → SYD Jul 20, 03:15 UTCJul 20, 04:15 UTC1h 0m
2026-07-20 QFA435 SYD → MEL Jul 20, 00:55 UTCJul 20, 02:05 UTC1h 10m
2026-07-19 QFA420 MEL → SYD Jul 19, 22:35 UTCJul 19, 23:40 UTC1h 5m
2026-07-19 QFA631 BNE → MEL Jul 19, 06:40 UTCJul 19, 08:45 UTC2h 5m
2026-07-19 QFA618 MEL → BNE Jul 19, 03:30 UTCJul 19, 05:10 UTC1h 40m
2026-07-19 QFA619 BNE → MEL Jul 19, 00:30 UTCJul 19, 02:30 UTC2h 0m
2026-07-18 QFA940 PER → BNE Jul 18, 08:50 UTCJul 18, 12:40 UTC3h 50m
2026-07-18 QFA765 MEL → PER Jul 18, 00:35 UTCJul 18, 04:30 UTC3h 56m
2026-07-17 QFA473 SYD → MEL Jul 17, 08:20 UTCJul 17, 09:30 UTC1h 10m
2026-07-17 QFA458 MEL → SYD Jul 17, 05:50 UTCJul 17, 07:14 UTC1h 25m
2026-07-17 QFA682 ADL → MEL Jul 17, 03:25 UTCJul 17, 04:20 UTC55m
2026-07-17 QFA735 SYD → ADL Jul 17, 00:30 UTCJul 17, 02:05 UTC1h 35m
2026-07-16 QFA509 BNE → SYD Jul 16, 22:05 UTCJul 16, 23:20 UTC1h 15m
2026-07-16 QFA942 PER → BNE Jul 16, 15:10 UTCJul 16, 19:10 UTC4h 0m
2026-07-16 QFA941 BNE → PER Jul 16, 08:40 UTCJul 16, 13:40 UTC5h 0m
2026-07-16 QFA825 - Jul 16, 06:10 UTCJul 16, 06:45 UTC35m
2026-07-15 QFA824 - Jul 15, 22:40 UTCJul 15, 23:05 UTC25m
2026-07-15 QFA554 SYD → BNE Jul 15, 10:20 UTCJul 15, 11:25 UTC1h 5m
2026-07-15 QFA527 BNE → SYD Jul 15, 04:25 UTCJul 15, 05:35 UTC1h 10m
2026-07-15 QFA516 SYD → BNE Jul 15, 00:35 UTCJul 15, 01:50 UTC1h 15m
2026-07-14 QFA507 BNE → SYD Jul 14, 21:45 UTCJul 14, 22:55 UTC1h 9m
2026-07-14 QFA628 MEL → BNE Jul 14, 07:50 UTCJul 14, 09:35 UTC1h 45m
2026-07-14 QFA449 SYD → MEL Jul 14, 05:10 UTCJul 14, 06:20 UTC1h 10m
2026-07-14 QFA523 BNE → SYD Jul 14, 02:35 UTCJul 14, 04:00 UTC1h 25m
2026-07-13 QFA512 SYD → BNE Jul 13, 23:40 UTCJul 14, 00:55 UTC1h 15m
2026-07-13 QFA406 MEL → SYD Jul 13, 20:40 UTCJul 13, 21:55 UTC1h 15m
2026-07-13 QFA690 ADL → MEL Jul 13, 07:30 UTCJul 13, 08:35 UTC1h 5m
2026-07-13 QFA687 MEL → ADL Jul 13, 05:35 UTCJul 13, 06:45 UTC1h 10m
2026-07-13 QFA443 SYD → MEL Jul 13, 03:05 UTCJul 13, 04:30 UTC1h 25m
2026-07-12 QFA591 - Jul 12, 23:20 UTCJul 13, 00:25 UTC1h 5m
2026-07-12 QFA590 - Jul 12, 21:25 UTCJul 12, 22:20 UTC55m
2026-07-12 QFA746 ADL → SYD Jul 12, 10:05 UTCJul 12, 11:30 UTC1h 25m
2026-07-12 QFA741 SYD → ADL Jul 12, 07:15 UTCJul 12, 09:00 UTC1h 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-VXS page for operator, model, and routing details .

Mode-S 7C6D9E frequently asked

What is Mode-S code 7C6D9E?
7C6D9E is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-VXS.
Where is Mode-S 7C6D9E registered?
Mode-S code 7C6D9E is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6D9E broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 03:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6D9E, octal 37066636, decimal 8,154,526.
What flights does 7C6D9E operate?
Mode-S 7C6D9E has broadcast 20 distinct callsigns, including QFA919, QFA918, QFA934, QFA824, QFA775.