Apparatus

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sensors Mode-S transponder

7C6DB6

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C6DB6
Octal
37066666
Decimal
8,154,550
Country
AU
Tail
VH-VYG
Type
B738
No current signal · last broadcast 11h ago
Flights observed
187
Distinct callsigns
20
Country
AU
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S 7C6DB6.

Country allocation

The ICAO 24-bit address 7C6DB6 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
QFA620 Qantas 4 2026-05-02
QFA465 Qantas 4 2026-05-17
QFA737 Qantas 3 2026-05-06
QFA697 Qantas 3 2026-04-29
QFA693 Qantas 3 2026-04-15
QFA621 Qantas 3 2026-05-02
QFA600 Qantas 3 2026-05-21
QFA541 Qantas 3 2026-05-22
QFA533 Qantas 3 2026-05-30
QFA532 Qantas 3 2026-05-18
QFA519 Qantas 3 2026-05-13
QFA453 Qantas 3 2026-05-19
QFA448 Qantas 3 2026-05-09
QFA919 Qantas 2 2026-05-29
QFA918 Qantas 2 2026-05-28
QFA879 Qantas 2 2026-04-15
QFA876 Qantas 2 2026-04-14
QFA742 Qantas 2 2026-05-06
QFA741 Qantas 2 2026-05-30
QFA738 Qantas 2 2026-05-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 QFA741 SYD → ADL May 30, 08:00 UTCMay 30, 08:40 UTC40m
2026-05-30 QFA741 SYD → ADL May 30, 07:00 UTCMay 30, 07:35 UTC35m
2026-05-30 QFA533 BNE → SYD May 30, 04:10 UTCMay 30, 05:25 UTC1h 15m
2026-05-30 QFA874 MEL → OOL May 30, 01:05 UTCMay 30, 02:25 UTC1h 20m
2026-05-29 QFA871 CBR → MEL May 29, 09:25 UTCMay 29, 10:50 UTC1h 25m
2026-05-29 QFA622 MEL → BNE May 29, 06:05 UTCMay 29, 08:00 UTC1h 55m
2026-05-29 QFA919 KTA → PER May 29, 02:35 UTCMay 29, 04:40 UTC2h 5m
2026-05-28 QFA918 PER → KTA May 28, 23:25 UTCMay 29, 01:25 UTC2h 0m
2026-05-28 QFA409 SYD → MEL May 28, 21:05 UTCMay 28, 22:15 UTC1h 10m
2026-05-27 QFA470 MEL → SYD May 27, 07:15 UTCMay 27, 08:25 UTC1h 10m
2026-05-27 QFA625 BNE → MEL May 27, 03:29 UTCMay 27, 05:19 UTC1h 50m
2026-05-25 QFA558 SYD → BNE May 25, 12:00 UTCMay 25, 13:20 UTC1h 20m
2026-05-25 QFA480 PER → MEL May 25, 08:45 UTCMay 25, 09:55 UTC1h 10m
2026-05-24 QFA703 CNS → MEL May 24, 23:05 UTCMay 25, 06:20 UTC7h 15m
2026-05-24 QFA493 SYD → MEL May 24, 10:55 UTCMay 24, 12:05 UTC1h 10m
2026-05-24 QFA597 BNE → PER May 24, 08:15 UTCMay 24, 09:15 UTC1h 0m
2026-05-24 QFA596 SYD → OOL May 24, 06:10 UTCMay 24, 07:10 UTC1h 0m
2026-05-24 QFA738 ADL → SYD May 24, 02:50 UTCMay 24, 04:20 UTC1h 30m
2026-05-23 QFA733 SYD → ADL May 23, 23:40 UTCMay 24, 01:20 UTC1h 40m
2026-05-23 QFA589 BNE → PER May 23, 21:10 UTCMay 23, 22:15 UTC1h 5m
2026-05-23 QFA596 SYD → OOL May 23, 06:05 UTCMay 23, 07:05 UTC1h 0m
2026-05-23 QFA442 MEL → SYD May 23, 02:20 UTCMay 23, 03:25 UTC1h 4m
2026-05-22 QFA613 BNE → MEL May 22, 22:05 UTCMay 23, 00:10 UTC2h 5m
2026-05-22 QFA550 SYD → BNE May 22, 09:10 UTCMay 22, 10:15 UTC1h 5m
2026-05-22 QFA541 BNE → SYD May 22, 06:10 UTCMay 22, 07:20 UTC1h 10m
2026-05-22 QFA616 MEL → BNE May 22, 02:45 UTCMay 22, 04:35 UTC1h 50m
2026-05-21 QFA615 BNE → MEL May 21, 23:25 UTCMay 22, 01:35 UTC2h 10m
2026-05-21 QFA600 MEL → BNE May 21, 20:10 UTCMay 21, 22:20 UTC2h 10m
2026-05-21 QFA479 SYD → MEL May 21, 08:30 UTCMay 21, 09:45 UTC1h 15m
2026-05-21 QFA462 MEL → SYD May 21, 06:05 UTCMay 21, 07:10 UTC1h 5m
2026-05-21 QFA919 KTA → PER May 21, 02:35 UTCMay 21, 04:45 UTC2h 10m
2026-05-20 QFA918 PER → KTA May 20, 23:30 UTCMay 21, 01:25 UTC1h 55m
2026-05-20 QFA409 SYD → MEL May 20, 21:10 UTCMay 20, 22:30 UTC1h 20m
2026-05-19 QFA474 MEL → SYD May 19, 07:35 UTCMay 19, 08:45 UTC1h 10m
2026-05-19 QFA453 SYD → MEL May 19, 05:20 UTCMay 19, 06:20 UTC1h 0m
2026-05-19 QFA442 MEL → SYD May 19, 02:15 UTCMay 19, 03:20 UTC1h 5m
2026-05-18 QFA423 SYD → MEL May 18, 23:10 UTCMay 19, 00:15 UTC1h 5m
2026-05-18 QFA501 BNE → SYD May 18, 20:15 UTCMay 18, 21:40 UTC1h 25m
2026-05-18 QFA546 SYD → BNE May 18, 08:35 UTCMay 18, 09:50 UTC1h 15m
2026-05-18 QFA541 BNE → SYD May 18, 06:20 UTCMay 18, 07:30 UTC1h 10m
2026-05-18 QFA532 SYD → BNE May 18, 04:00 UTCMay 18, 05:10 UTC1h 10m
2026-05-18 QFA416 MEL → SYD May 18, 00:25 UTCMay 18, 01:30 UTC1h 5m
2026-05-17 QFA465 SYD → MEL May 17, 06:55 UTCMay 17, 08:10 UTC1h 15m
2026-05-17 QFA533 BNE → SYD May 17, 04:10 UTCMay 17, 05:20 UTC1h 10m
2026-05-17 QFA522 SYD → BNE May 17, 02:00 UTCMay 17, 03:05 UTC1h 5m
2026-05-16 QFA420 MEL → SYD May 16, 22:30 UTCMay 16, 23:35 UTC1h 5m
2026-05-15 QFA615 BNE → MEL May 15, 23:20 UTCMay 16, 01:30 UTC2h 10m
2026-05-14 QFA626 MEL → BNE May 14, 06:45 UTCMay 14, 08:45 UTC2h 0m
2026-05-14 QFA449 SYD → MEL May 14, 04:20 UTCMay 14, 05:30 UTC1h 10m
2026-05-14 QFA523 BNE → SYD May 14, 02:00 UTCMay 14, 03:05 UTC1h 5m

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

Mode-S 7C6DB6 frequently asked

What is Mode-S code 7C6DB6?
7C6DB6 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-VYG.
Where is Mode-S 7C6DB6 registered?
Mode-S code 7C6DB6 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C6DB6 broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C6DB6, octal 37066666, decimal 8,154,550.
What flights does 7C6DB6 operate?
Mode-S 7C6DB6 has broadcast 20 distinct callsigns, including QFA620, QFA465, QFA737, QFA697, QFA693.