Apparatus

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sensors Mode-S transponder

76CD72

ICAO 24-bit transponder address · allocated to Singapore

Currently assigned to 9V-SKR · AIRBUS A-380-800

Hex
76CD72
Octal
35546562
Decimal
7,785,842
Country
SG
Tail
9V-SKR
Type
A388
No current signal · last broadcast Jul 26, 21:35 UTC
Flights observed
186
Distinct callsigns
20
Country
SG
Last broadcast
Jul 26, 21:35 UTC

Last known position

Most recent position reported by Mode-S 76CD72.

Country allocation

The ICAO 24-bit address 76CD72 falls within the block assigned to Singapore (SG) by ICAO Annex 10, Volume III. Every aircraft registered in Singapore 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
SIA222 Singapore Airlines 24 2026-07-24
SIA231 Singapore Airlines 20 2026-07-23
SIA232 - 13 2026-07-10
SIA228 Singapore Airlines 12 2026-07-21
SIA237 - 11 2026-07-20
SIA325 - 10 2026-07-11
SIA322 Singapore Airlines 10 2026-07-25
SIA317 Singapore Airlines 10 2026-07-26
SIA221 - 9 2026-07-09
SIA830 - 8 2026-06-28
SIA326 - 8 2026-07-11
SIA406 - 7 2026-06-16
SIA403 Singapore Airlines 7 2026-06-16
SIA424 - 6 2026-06-24
SIA319 - 6 2026-07-08
SIA308 - 6 2026-07-08
SIA423 Singapore Airlines 5 2026-06-24
SIA893 - 4 2026-07-16
SIA892 - 4 2026-07-16
SIA833 - 4 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SIA317 LHR → SIN Jul 26, 11:10 UTCJul 26, 21:35 UTC10h 25m
2026-07-25 SIA322 SIN → LHR Jul 25, 15:35 UTCJul 26, 04:30 UTC12h 55m
2026-07-24 SIA222 SYD → SIN Jul 24, 05:00 UTCJul 24, 05:55 UTC55m
2026-07-23 SIA231 SIN → SYD Jul 23, 18:10 UTCJul 23, 23:45 UTC5h 35m
2026-07-21 SIA228 MEL → SIN Jul 21, 05:35 UTCJul 21, 06:50 UTC1h 15m
2026-07-20 SIA237 - Jul 20, 18:25 UTCJul 21, 00:30 UTC6h 5m
2026-07-20 SIA833 - Jul 20, 02:05 UTCJul 20, 13:45 UTC11h 40m
2026-07-19 SIA222 SYD → SIN Jul 19, 12:30 UTCJul 19, 12:40 UTC10m
2026-07-19 SIA222 SYD → SIN Jul 19, 05:00 UTCJul 19, 05:50 UTC50m
2026-07-18 SIA231 SIN → SYD Jul 18, 18:10 UTCJul 19, 00:00 UTC5h 50m
2026-07-18 SIA222 SYD → SIN Jul 18, 04:55 UTCJul 18, 05:50 UTC55m
2026-07-17 SIA231 SIN → SYD Jul 17, 17:09 UTCJul 18, 00:04 UTC6h 55m
2026-07-17 SIA833 - Jul 17, 01:55 UTCJul 17, 14:30 UTC12h 35m
2026-07-16 SIA893 - Jul 16, 10:40 UTCJul 16, 11:15 UTC35m
2026-07-16 SIA893 - Jul 16, 08:10 UTCJul 16, 08:20 UTC10m
2026-07-16 SIA892 - Jul 16, 05:50 UTCJul 16, 06:10 UTC20m
2026-07-16 SIA892 - Jul 16, 02:35 UTCJul 16, 02:55 UTC20m
2026-07-15 SIA222 - Jul 15, 05:00 UTCJul 15, 05:35 UTC35m
2026-07-14 SIA231 - Jul 14, 23:35 UTCJul 15, 00:15 UTC40m
2026-07-14 SIA228 - Jul 14, 05:40 UTCJul 14, 06:50 UTC1h 10m
2026-07-13 SIA237 - Jul 13, 18:15 UTCJul 14, 00:50 UTC6h 35m
2026-07-13 SIA893 - Jul 13, 10:50 UTCJul 13, 11:20 UTC30m
2026-07-13 SIA893 - Jul 13, 08:10 UTCJul 13, 08:25 UTC15m
2026-07-13 SIA892 - Jul 13, 05:31 UTCJul 13, 05:45 UTC15m
2026-07-13 SIA892 - Jul 13, 02:20 UTCJul 13, 02:45 UTC25m
2026-07-11 SIA325 - Jul 11, 20:20 UTCJul 12, 08:01 UTC11h 40m
2026-07-11 SIA326 - Jul 11, 05:05 UTCJul 11, 17:25 UTC12h 20m
2026-07-10 SIA232 - Jul 10, 01:35 UTCJul 10, 02:10 UTC35m
2026-07-09 SIA221 - Jul 9, 19:45 UTCJul 9, 20:35 UTC50m
2026-07-09 SIA221 - Jul 9, 13:30 UTCJul 9, 13:40 UTC10m
2026-07-08 SIA319 - Jul 8, 20:00 UTCJul 9, 08:30 UTC12h 30m
2026-07-08 SIA308 - Jul 8, 01:25 UTCJul 8, 14:30 UTC13h 5m
2026-07-07 SIA232 - Jul 7, 01:50 UTCJul 7, 10:00 UTC8h 10m
2026-07-06 SIA221 SIN → SYD Jul 6, 19:20 UTCJul 6, 20:15 UTC55m
2026-07-05 SIA319 LHR → SIN Jul 5, 20:00 UTCJul 6, 08:05 UTC12h 5m
2026-07-05 SIA308 - Jul 5, 01:20 UTCJul 5, 14:35 UTC13h 15m
2026-07-04 SIA222 - Jul 4, 12:40 UTCJul 4, 12:55 UTC15m
2026-07-04 SIA222 - Jul 4, 05:00 UTCJul 4, 05:35 UTC35m
2026-07-03 SIA231 SIN → SYD Jul 3, 23:15 UTCJul 3, 23:50 UTC35m
2026-07-03 SIA222 - Jul 3, 05:05 UTCJul 3, 05:40 UTC35m
2026-07-02 SIA231 SIN → SYD Jul 2, 23:15 UTCJul 2, 23:45 UTC30m
2026-07-01 SIA228 - Jul 1, 05:45 UTCJul 1, 07:10 UTC1h 25m
2026-06-30 SIA237 SIN → MEL Jun 30, 18:20 UTCJul 1, 00:40 UTC6h 20m
2026-06-30 SIA222 - Jun 30, 05:10 UTCJun 30, 05:40 UTC30m
2026-06-29 SIA231 SIN → SYD Jun 29, 17:10 UTCJun 30, 00:55 UTC7h 45m
2026-06-29 SIA222 - Jun 29, 05:15 UTCJun 29, 05:45 UTC30m
2026-06-28 SIA231 SIN → SYD Jun 28, 23:14 UTCJun 28, 23:54 UTC40m
2026-06-28 SIA830 - Jun 28, 01:50 UTCJun 28, 13:49 UTC12h 0m
2026-06-27 SIA222 - Jun 27, 12:39 UTCJun 27, 12:50 UTC10m
2026-06-27 SIA222 - Jun 27, 05:04 UTCJun 27, 05:44 UTC40m

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 9V-SKR page for operator, model, and routing details .

Mode-S 76CD72 frequently asked

What is Mode-S code 76CD72?
76CD72 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SKR.
Where is Mode-S 76CD72 registered?
Mode-S code 76CD72 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CD72 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CD72, octal 35546562, decimal 7,785,842.
What flights does 76CD72 operate?
Mode-S 76CD72 has broadcast 20 distinct callsigns, including SIA222, SIA231, SIA232, SIA228, SIA237.