Apparatus

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sensors Mode-S transponder

7C47A4

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-OFQ · AIRBUS A-321neo · operated by JETSTAR AIRWAYS PTY LIMITED

Hex
7C47A4
Octal
37043644
Decimal
8,144,804
Country
AU
Tail
VH-OFQ
Type
A21N
No current signal · last broadcast 1h ago
Flights observed
287
Distinct callsigns
20
Country
AU
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 7C47A4.

Country allocation

The ICAO 24-bit address 7C47A4 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
JST71 Jetstar Airways 10 2026-06-05
JST972 Jetstar Airways 8 2026-04-20
JST75 Jetstar Airways 8 2026-06-07
JST566 - 8 2026-07-07
JST975 Jetstar Airways 7 2026-04-21
JST974 Jetstar Airways 7 2026-04-21
JST76 Jetstar Airways 7 2026-06-07
JST567 - 7 2026-07-07
JST971 - 6 2026-04-20
JST858 Jetstar Airways 6 2026-06-07
JST857 Jetstar Airways 6 2026-06-06
JST814 Jetstar Airways 6 2026-06-13
JST72 Jetstar Airways 6 2026-04-28
JST632 - 6 2026-07-06
JST057 - 6 2026-07-11
JST906 - 5 2026-07-07
JST811 Jetstar Airways 5 2026-06-12
JST116 Jetstar Airways 5 2026-06-05
JST043 - 5 2026-06-30
JST965 - 4 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 JST965 PER → BNE Jul 14, 15:20 UTCJul 14, 19:25 UTC4h 5m
2026-07-14 JST964 BNE → PER Jul 14, 09:00 UTCJul 14, 13:50 UTC4h 50m
2026-07-14 JST828 SYD → BNE Jul 14, 06:20 UTCJul 14, 07:40 UTC1h 20m
2026-07-14 JST829 BNE → SYD Jul 14, 04:15 UTCJul 14, 05:20 UTC1h 5m
2026-07-14 JST564 MEL → BNE Jul 14, 00:45 UTCJul 14, 02:40 UTC1h 55m
2026-07-13 JST565 BNE → MEL Jul 13, 21:40 UTCJul 13, 23:40 UTC2h 0m
2026-07-13 JST570 MEL → BNE Jul 13, 10:25 UTCJul 13, 12:15 UTC1h 50m
2026-07-13 JST569 BNE → MEL Jul 13, 07:10 UTCJul 13, 09:15 UTC2h 5m
2026-07-13 JST818 SYD → BNE Jul 13, 04:50 UTCJul 13, 06:01 UTC1h 10m
2026-07-13 JST817 BNE → SYD Jul 13, 02:30 UTCJul 13, 03:45 UTC1h 15m
2026-07-12 JST928 BNE → BNE Jul 12, 20:20 UTCJul 13, 01:05 UTC4h 45m
2026-07-11 JST057 BNE → BNE Jul 11, 21:40 UTCJul 12, 10:30 UTC12h 50m
2026-07-11 JST154 - Jul 11, 06:25 UTCJul 11, 09:40 UTC3h 15m
2026-07-11 JST153 BNE → AKL Jul 11, 02:00 UTCJul 11, 04:50 UTC2h 50m
2026-07-10 JST150 - Jul 10, 18:35 UTCJul 10, 21:55 UTC3h 20m
2026-07-10 JST151 BNE → AKL Jul 10, 14:10 UTCJul 10, 16:45 UTC2h 35m
2026-07-10 JST058 - Jul 10, 10:40 UTCJul 10, 11:10 UTC30m
2026-07-09 JST057 - Jul 9, 22:40 UTCJul 9, 23:10 UTC30m
2026-07-09 JST570 - Jul 9, 10:20 UTCJul 9, 12:20 UTC2h 0m
2026-07-09 JST569 BNE → MEL Jul 9, 07:10 UTCJul 9, 09:10 UTC2h 0m
2026-07-09 JST818 SYD → BNE Jul 9, 04:45 UTCJul 9, 06:05 UTC1h 20m
2026-07-09 JST817 BNE → SYD Jul 9, 02:40 UTCJul 9, 03:45 UTC1h 5m
2026-07-08 JST928 BNE → CNS Jul 8, 20:35 UTCJul 9, 01:20 UTC4h 45m
2026-07-08 JST657 - Jul 8, 08:40 UTCJul 8, 10:05 UTC1h 25m
2026-07-08 JST656 - Jul 8, 06:10 UTCJul 8, 07:40 UTC1h 30m
2026-07-08 JST801 ADL → BNE Jul 8, 01:40 UTCJul 8, 03:45 UTC2h 5m
2026-07-07 JST800 BNE → ADL Jul 7, 21:15 UTCJul 7, 23:45 UTC2h 30m
2026-07-07 JST906 BNE → BNE Jul 7, 09:05 UTCJul 7, 13:15 UTC4h 10m
2026-07-07 JST566 MEL → BNE Jul 7, 05:50 UTCJul 7, 07:35 UTC1h 45m
2026-07-07 JST567 BNE → MEL Jul 7, 02:20 UTCJul 7, 04:35 UTC2h 15m
2026-07-06 JST632 - Jul 6, 23:00 UTCJul 7, 00:55 UTC1h 55m
2026-07-06 JST049 AVV → AVV Jul 6, 07:40 UTCJul 6, 20:15 UTC12h 35m
2026-07-06 JST633 BNE → AVV Jul 6, 02:05 UTCJul 6, 04:00 UTC1h 55m
2026-07-05 JST632 AVV → BNE Jul 5, 23:10 UTCJul 6, 01:00 UTC1h 50m
2026-07-05 JST050 - Jul 5, 07:40 UTCJul 5, 20:45 UTC13h 5m
2026-07-05 JST633 BNE → AVV Jul 5, 02:15 UTCJul 5, 04:10 UTC1h 55m
2026-07-04 JST558 MEL → BNE Jul 4, 23:15 UTCJul 5, 01:05 UTC1h 50m
2026-07-04 JST044 - Jul 4, 12:05 UTCJul 4, 12:40 UTC35m
2026-07-03 JST086 - Jul 3, 23:30 UTCJul 4, 00:00 UTC30m
2026-07-03 JST127 ADL → MCY Jul 3, 09:35 UTCJul 3, 21:05 UTC11h 30m
2026-07-02 JST125 ADL → ADL Jul 2, 21:00 UTCJul 3, 07:50 UTC10h 50m
2026-07-02 JST689 - Jul 2, 12:15 UTCJul 2, 12:45 UTC30m
2026-07-02 JST688 - Jul 2, 05:15 UTCJul 2, 05:45 UTC30m
2026-07-02 JST499 - Jul 2, 01:25 UTCJul 2, 04:05 UTC2h 40m
2026-07-01 JST498 - Jul 1, 22:25 UTCJul 2, 00:15 UTC1h 50m
2026-07-01 JST128 - Jul 1, 20:05 UTCJul 1, 20:35 UTC30m
2026-07-01 JST087 - Jul 1, 11:55 UTCJul 1, 12:05 UTC10m
2026-07-01 JST088 - Jul 1, 09:50 UTCJul 1, 10:05 UTC15m
2026-06-30 JST043 - Jun 30, 23:55 UTCJul 1, 01:10 UTC1h 15m
2026-06-30 JST036 DPS → MEL Jun 30, 08:20 UTCJun 30, 20:40 UTC12h 20m

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

Mode-S 7C47A4 frequently asked

What is Mode-S code 7C47A4?
7C47A4 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-OFQ.
Where is Mode-S 7C47A4 registered?
Mode-S code 7C47A4 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C47A4 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C47A4, octal 37043644, decimal 8,144,804.
What flights does 7C47A4 operate?
Mode-S 7C47A4 has broadcast 20 distinct callsigns, including JST71, JST972, JST75, JST566, JST975.