Apparatus

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sensors Mode-S transponder

7C1648

ICAO 24-bit transponder address · allocated to Australia

Currently assigned to VH-EOQ · CESSNA 172 Skyhawk · operated by WHITE STAR AVIATION PTY LTD

Hex
7C1648
Octal
37013110
Decimal
8,132,168
Country
AU
Tail
VH-EOQ
Type
C172
No current signal · last broadcast 3h ago
Flights observed
63
Distinct callsigns
1
Country
AU
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 7C1648.

Country allocation

The ICAO 24-bit address 7C1648 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 1 distinct

Callsign Airline Flights Last seen
EOQ - 63 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 EOQ - Jul 13, 21:25 UTCJul 14, 00:10 UTC2h 45m
2026-07-13 EOQ - Jul 13, 04:15 UTCJul 13, 04:50 UTC35m
2026-07-13 EOQ - Jul 13, 02:01 UTCJul 13, 02:50 UTC50m
2026-07-12 EOQ - Jul 12, 21:15 UTCJul 12, 23:55 UTC2h 40m
2026-07-08 EOQ - Jul 8, 03:10 UTCJul 8, 03:25 UTC15m
2026-06-28 EOQ - Jun 28, 22:24 UTCJun 29, 00:05 UTC1h 40m
2026-06-23 EOQ BNK → BNK Jun 23, 22:25 UTCJun 23, 22:40 UTC15m
2026-06-23 EOQ BNK → BNK Jun 23, 02:24 UTCJun 23, 04:55 UTC2h 30m
2026-06-23 EOQ LSY → BNK Jun 23, 01:20 UTCJun 23, 01:45 UTC25m
2026-06-22 EOQ - Jun 22, 21:49 UTCJun 22, 22:40 UTC50m
2026-06-22 EOQ - Jun 22, 03:54 UTCJun 22, 04:09 UTC15m
2026-06-22 EOQ - Jun 22, 01:35 UTCJun 22, 02:34 UTC1h 0m
2026-06-18 EOQ - Jun 18, 02:50 UTCJun 18, 03:25 UTC35m
2026-06-18 EOQ - Jun 18, 01:00 UTCJun 18, 02:05 UTC1h 5m
2026-06-17 EOQ - Jun 17, 23:35 UTCJun 18, 00:10 UTC35m
2026-06-17 EOQ - Jun 17, 21:40 UTCJun 17, 22:40 UTC1h 0m
2026-06-17 EOQ BNK → BNK Jun 17, 00:45 UTCJun 17, 03:20 UTC2h 35m
2026-06-16 EOQ BNK → BNK Jun 16, 21:20 UTCJun 16, 22:45 UTC1h 25m
2026-06-16 EOQ BNK → BNK Jun 16, 02:29 UTCJun 16, 03:55 UTC1h 25m
2026-06-15 EOQ BNK → BNK Jun 15, 01:50 UTCJun 15, 02:15 UTC25m
2026-06-12 EOQ - Jun 12, 01:00 UTCJun 12, 01:40 UTC40m
2026-06-12 EOQ - Jun 12, 00:05 UTCJun 12, 00:30 UTC25m
2026-06-05 EOQ BNK → BNK Jun 5, 08:40 UTCJun 5, 09:30 UTC50m
2026-06-05 EOQ BNK → BNK Jun 5, 07:55 UTCJun 5, 08:25 UTC30m
2026-06-05 EOQ - Jun 5, 05:05 UTCJun 5, 05:30 UTC25m
2026-06-05 EOQ - Jun 5, 04:05 UTCJun 5, 04:35 UTC30m
2026-06-04 EOQ BNK → BNK Jun 4, 01:35 UTCJun 4, 02:50 UTC1h 15m
2026-06-03 EOQ BNK → BNK Jun 3, 21:30 UTCJun 4, 00:05 UTC2h 35m
2026-06-03 EOQ BNK → BNK Jun 3, 08:00 UTCJun 3, 08:55 UTC55m
2026-06-02 EOQ BNK → BNK Jun 2, 02:25 UTCJun 2, 05:10 UTC2h 45m
2026-06-01 EOQ BNK → BNK Jun 1, 23:50 UTCJun 2, 00:40 UTC50m
2026-06-01 EOQ BNK → BNK Jun 1, 01:10 UTCJun 1, 04:40 UTC3h 30m
2026-05-31 EOQ - May 31, 23:50 UTCJun 1, 00:00 UTC10m
2026-05-31 EOQ - May 31, 21:25 UTCMay 31, 23:15 UTC1h 50m
2026-05-24 EOQ BNK → BNK May 24, 23:00 UTCMay 24, 23:30 UTC30m
2026-05-20 EOQ BNK → BNK May 20, 00:55 UTCMay 20, 03:50 UTC2h 55m
2026-05-08 EOQ - May 8, 05:14 UTCMay 8, 05:35 UTC20m
2026-05-08 EOQ - May 8, 01:49 UTCMay 8, 03:30 UTC1h 40m
2026-05-08 EOQ - May 8, 00:40 UTCMay 8, 00:49 UTC10m
2026-05-07 EOQ - May 7, 23:09 UTCMay 7, 23:55 UTC45m
2026-05-01 EOQ - May 1, 01:55 UTCMay 1, 02:10 UTC15m
2026-04-22 EOQ - Apr 22, 02:40 UTCApr 22, 03:00 UTC20m
2026-04-22 EOQ - Apr 22, 01:45 UTCApr 22, 02:05 UTC20m
2026-04-21 EOQ - Apr 21, 05:45 UTCApr 21, 06:25 UTC40m
2026-04-21 EOQ - Apr 21, 00:55 UTCApr 21, 01:45 UTC50m
2026-04-19 EOQ - Apr 19, 22:35 UTCApr 19, 22:50 UTC15m
2026-04-17 EOQ - Apr 17, 05:35 UTCApr 17, 06:25 UTC50m
2026-04-17 EOQ - Apr 17, 02:35 UTCApr 17, 02:45 UTC10m
2026-04-17 EOQ - Apr 17, 01:35 UTCApr 17, 01:45 UTC10m
2026-04-16 EOQ - Apr 16, 21:55 UTCApr 16, 22:24 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-EOQ page for operator, model, and routing details .

Mode-S 7C1648 frequently asked

What is Mode-S code 7C1648?
7C1648 is an ICAO 24-bit transponder address. Allocated to Australia. Assigned to VH-EOQ.
Where is Mode-S 7C1648 registered?
Mode-S code 7C1648 is allocated to Australia (AU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7C1648 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7C1648, octal 37013110, decimal 8,132,168.
What flights does 7C1648 operate?
Mode-S 7C1648 has broadcast 1 distinct callsign, including EOQ.