Apparatus

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sensors Mode-S transponder

7C6DE2

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C6DE2
Octal
37066742
Decimal
8,154,594
Country
AU
Tail
VH-VZO
Type
B738
Broadcasting now · callsign QFA730 · 38,975 ft
Flights observed
325
Distinct callsigns
20
Country
AU
Last broadcast
10h ago

Current position

7C6DE2 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 7C6DE2 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
QFA857 Qantas 7 2026-06-13
QFA841 Qantas 7 2026-06-08
QFA840 Qantas 7 2026-06-08
QFA856 Qantas 6 2026-06-13
QFA137 - 6 2026-07-03
QFA765 Qantas 5 2026-06-12
QFA158 Qantas 5 2026-05-10
QFA155 Qantas 5 2026-05-10
QFA136 - 5 2026-07-03
QFA843 Qantas 4 2026-05-06
QFA842 Qantas 4 2026-04-15
QFA653 Qantas 4 2026-04-16
QFA627 - 4 2026-07-14
QFA550 Qantas 4 2026-06-08
QFA172 - 4 2026-06-19
QFA171 - 4 2026-06-19
QFA149 - 4 2026-07-03
QFA146 Qantas 4 2026-06-06
QFA884 - 3 2026-07-10
QFA827 - 3 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QFA697 MEL → ADL Jul 14, 09:25 UTCJul 14, 10:25 UTC1h 0m
2026-07-14 QFA627 BNE → MEL Jul 14, 04:50 UTCJul 14, 06:55 UTC2h 5m
2026-07-14 QFA612 MEL → BNE Jul 14, 00:30 UTCJul 14, 02:30 UTC2h 0m
2026-07-13 QFA609 BNE → MEL Jul 13, 21:10 UTCJul 13, 23:15 UTC2h 5m
2026-07-13 QFA853 BNE → BNE Jul 13, 04:15 UTCJul 13, 09:25 UTC5h 10m
2026-07-13 QFA612 MEL → BNE Jul 13, 00:55 UTCJul 13, 02:55 UTC2h 0m
2026-07-12 QFA609 BNE → MEL Jul 12, 21:25 UTCJul 12, 23:35 UTC2h 10m
2026-07-12 QFA622 MEL → BNE Jul 12, 06:05 UTCJul 12, 07:55 UTC1h 50m
2026-07-12 QFA623 BNE → MEL Jul 12, 02:40 UTCJul 12, 04:50 UTC2h 10m
2026-07-11 QFA610 MEL → BNE Jul 11, 23:35 UTCJul 12, 01:30 UTC1h 55m
2026-07-10 QFA1050 MEL → MEL Jul 10, 22:35 UTCJul 11, 08:01 UTC9h 25m
2026-07-10 QFA694 ADL → MEL Jul 10, 09:35 UTCJul 10, 10:40 UTC1h 5m
2026-07-10 QFA691 MEL → ADL Jul 10, 07:45 UTCJul 10, 08:45 UTC1h 0m
2026-07-10 QFA686 ADL → MEL Jul 10, 05:05 UTCJul 10, 06:00 UTC55m
2026-07-10 QFA884 PER → ADL Jul 10, 01:25 UTCJul 10, 03:50 UTC2h 25m
2026-07-09 QFA761 MEL → PER Jul 9, 20:05 UTCJul 9, 23:55 UTC3h 50m
2026-07-09 QFA772 PER → MEL Jul 9, 10:05 UTCJul 9, 13:15 UTC3h 10m
2026-07-09 QFA769 MEL → PER Jul 9, 04:50 UTCJul 9, 08:35 UTC3h 45m
2026-07-09 QFA441 SYD → MEL Jul 9, 02:30 UTCJul 9, 03:30 UTC1h 0m
2026-07-09 QFA515 BNE → SYD Jul 9, 00:00 UTCJul 9, 01:10 UTC1h 10m
2026-07-08 QFA504 SYD → BNE Jul 8, 21:30 UTCJul 8, 22:40 UTC1h 10m
2026-07-08 QFA557 BNE → SYD Jul 8, 09:55 UTCJul 8, 11:05 UTC1h 10m
2026-07-08 QFA622 MEL → BNE Jul 8, 05:45 UTCJul 8, 07:35 UTC1h 50m
2026-07-08 QFA623 BNE → MEL Jul 8, 02:40 UTCJul 8, 04:45 UTC2h 5m
2026-07-07 QFA610 MEL → BNE Jul 7, 23:45 UTCJul 8, 01:30 UTC1h 45m
2026-07-07 QFA605 BNE → MEL Jul 7, 20:15 UTCJul 7, 22:30 UTC2h 15m
2026-07-07 QFA544 SYD → BNE Jul 7, 07:30 UTCJul 7, 08:40 UTC1h 10m
2026-07-07 QFA533 BNE → SYD Jul 7, 04:25 UTCJul 7, 05:35 UTC1h 10m
2026-07-07 QFA522 SYD → BNE Jul 7, 02:05 UTCJul 7, 03:15 UTC1h 10m
2026-07-06 QFA420 MEL → SYD Jul 6, 23:30 UTCJul 7, 00:35 UTC1h 5m
2026-07-06 QFA682 ADL → MEL Jul 6, 03:20 UTCJul 6, 04:15 UTC55m
2026-07-06 QFA679 MEL → ADL Jul 6, 00:35 UTCJul 6, 01:30 UTC55m
2026-07-05 QFA429 SYD → MEL Jul 5, 22:10 UTCJul 5, 23:15 UTC1h 5m
2026-07-05 QFA148 - Jul 5, 06:35 UTCJul 5, 09:50 UTC3h 15m
2026-07-05 QFA145 SYD → AKL Jul 5, 01:50 UTCJul 5, 04:20 UTC2h 30m
2026-07-04 QFA142 - Jul 4, 20:35 UTCJul 4, 23:45 UTC3h 10m
2026-07-04 QFA145 SYD → AKL Jul 4, 02:05 UTCJul 4, 04:35 UTC2h 30m
2026-07-03 QFA142 - Jul 3, 20:35 UTCJul 3, 23:50 UTC3h 15m
2026-07-03 QFA149 SYD → AKL Jul 3, 10:05 UTCJul 3, 12:35 UTC2h 30m
2026-07-03 QFA136 - Jul 3, 07:20 UTCJul 3, 08:15 UTC55m
2026-07-03 QFA136 - Jul 3, 04:55 UTCJul 3, 05:05 UTC10m
2026-07-03 QFA137 - Jul 3, 03:20 UTCJul 3, 03:35 UTC15m
2026-07-03 QFA137 - Jul 3, 01:05 UTCJul 3, 01:30 UTC25m
2026-07-02 QFA503 BNE → SYD Jul 2, 20:40 UTCJul 2, 22:00 UTC1h 20m
2026-07-02 QFA942 PER → BNE Jul 2, 15:05 UTCJul 2, 19:10 UTC4h 5m
2026-07-02 QFA773 MEL → PER Jul 2, 09:45 UTCJul 2, 13:30 UTC3h 45m
2026-07-02 QFA465 - Jul 2, 06:55 UTCJul 2, 08:20 UTC1h 25m
2026-07-02 QFA450 MEL → SYD Jul 2, 04:30 UTCJul 2, 05:35 UTC1h 5m
2026-07-02 QFA439 SYD → MEL Jul 2, 02:05 UTCJul 2, 03:15 UTC1h 10m
2026-07-01 QFA511 BNE → SYD Jul 1, 23:00 UTCJul 2, 00:10 UTC1h 10m

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-VZO page for operator, model, and routing details .

Mode-S 7C6DE2 frequently asked

What is Mode-S code 7C6DE2?
7C6DE2 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-VZO.
Where is Mode-S 7C6DE2 registered?
Mode-S code 7C6DE2 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6DE2 broadcasting right now?
Yes. Mode-S 7C6DE2 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6DE2, octal 37066742, decimal 8,154,594.
What flights does 7C6DE2 operate?
Mode-S 7C6DE2 has broadcast 20 distinct callsigns, including QFA857, QFA841, QFA840, QFA856, QFA137.