Apparatus

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sensors Mode-S transponder

7C479F

ICAO 24-bit transponder address · allocated to Australia

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

Hex
7C479F
Octal
37043637
Decimal
8,144,799
Country
AU
Tail
VH-OFL
Type
A21N
Broadcasting now · callsign JST558 · -100 ft
Flights observed
9
Distinct callsigns
4
Country
AU
Last broadcast
16h ago

Current position

7C479F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 7C479F 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 4 distinct

Callsign Airline Flights Last seen
JST80 - 3 2026-04-13
JST98 - 2 2026-04-14
JST70 - 2 2026-04-13
JST69 - 2 2026-04-13

Recent flights last 9

DateFlightRouteTakeoffLandingDuration
2026-04-14 JST98 - Apr 14, 08:05 UTCApr 14, 08:20 UTC15m
2026-04-14 JST98 - Apr 14, 06:55 UTCApr 14, 07:10 UTC15m
2026-04-13 JST70 - Apr 13, 21:20 UTCApr 13, 22:00 UTC40m
2026-04-13 JST70 - Apr 13, 16:50 UTCApr 13, 18:35 UTC1h 45m
2026-04-13 JST69 - Apr 13, 12:45 UTCApr 13, 13:15 UTC30m
2026-04-13 JST69 - Apr 13, 08:20 UTCApr 13, 11:45 UTC3h 25m
2026-04-13 JST80 - Apr 13, 05:40 UTCApr 13, 06:15 UTC35m
2026-04-13 JST80 - Apr 13, 00:20 UTCApr 13, 00:30 UTC10m
2026-04-13 JST80 - Apr 13, 00:00 UTCApr 13, 00:30 UTC30m

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

Mode-S 7C479F frequently asked

What is Mode-S code 7C479F?
7C479F is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-OFL.
Where is Mode-S 7C479F registered?
Mode-S code 7C479F is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C479F broadcasting right now?
Yes. Mode-S 7C479F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C479F, octal 37043637, decimal 8,144,799.
What flights does 7C479F operate?
Mode-S 7C479F has broadcast 4 distinct callsigns, including JST80, JST98, JST70, JST69.