Apparatus

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sensors Mode-S transponder

76CD73

ICAO 24-bit transponder address · allocated to Singapore

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

Hex
76CD73
Octal
35546563
Decimal
7,785,843
Country
SG
Tail
9V-SKS
Type
A388
No current signal · last broadcast 4d ago
Flights observed
66
Distinct callsigns
11
Country
SG
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S 76CD73.

Country allocation

The ICAO 24-bit address 76CD73 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 11 distinct

Callsign Airline Flights Last seen
SIA406 Singapore Airlines 11 2026-05-25
SIA403 Singapore Airlines 11 2026-05-25
SIA424 Singapore Airlines 8 2026-05-24
SIA319 Singapore Airlines 8 2026-05-16
SIA308 Singapore Airlines 7 2026-05-16
SIA423 Singapore Airlines 6 2026-05-24
SIA317 Singapore Airlines 4 2026-05-18
SIA326 Singapore Airlines 3 2026-05-23
SIA325 Singapore Airlines 3 2026-05-23
SIA322 Singapore Airlines 3 2026-05-17
SIA833 Singapore Airlines 2 2026-05-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-25 SIA403 DEL → SIN May 25, 19:20 UTCMay 26, 00:24 UTC5h 5m
2026-05-25 SIA406 SIN → DEL May 25, 09:15 UTCMay 25, 14:00 UTC4h 45m
2026-05-24 SIA423 BOM → SIN May 24, 21:10 UTCMay 24, 21:20 UTC10m
2026-05-24 SIA424 SIN → BOM May 24, 18:50 UTCMay 24, 19:10 UTC20m
2026-05-24 SIA424 SIN → BOM May 24, 14:35 UTCMay 24, 15:15 UTC40m
2026-05-23 SIA325 FRA → SIN May 23, 20:05 UTCMay 24, 08:15 UTC12h 10m
2026-05-23 SIA326 SIN → FRA May 23, 05:10 UTCMay 23, 17:40 UTC12h 30m
2026-05-22 SIA833 PVG → SIN May 22, 02:05 UTCMay 22, 13:20 UTC11h 15m
2026-05-21 SIA403 DEL → SIN May 21, 17:10 UTCMay 21, 22:10 UTC5h 0m
2026-05-21 SIA406 SIN → DEL May 21, 09:35 UTCMay 21, 14:30 UTC4h 55m
2026-05-20 SIA423 BOM → SIN May 20, 19:40 UTCMay 20, 23:15 UTC3h 35m
2026-05-20 SIA424 SIN → BOM May 20, 15:55 UTCMay 20, 16:15 UTC20m
2026-05-20 SIA424 SIN → BOM May 20, 11:45 UTCMay 20, 15:05 UTC3h 20m
2026-05-19 SIA325 FRA → SIN May 19, 20:00 UTCMay 20, 07:55 UTC11h 56m
2026-05-19 SIA326 SIN → FRA May 19, 05:25 UTCMay 19, 17:40 UTC12h 15m
2026-05-18 SIA317 LHR → SIN May 18, 14:45 UTCMay 19, 02:40 UTC11h 54m
2026-05-18 SIA317 LHR → SIN May 18, 10:40 UTCMay 18, 11:50 UTC1h 10m
2026-05-17 SIA322 SIN → LHR May 17, 15:35 UTCMay 18, 04:25 UTC12h 50m
2026-05-16 SIA319 LHR → SIN May 16, 19:50 UTCMay 17, 07:50 UTC12h 0m
2026-05-16 SIA308 SIN → LHR May 16, 01:20 UTCMay 16, 14:35 UTC13h 16m
2026-05-15 SIA403 DEL → SIN May 15, 17:00 UTCMay 15, 21:35 UTC4h 35m
2026-05-15 SIA406 SIN → DEL May 15, 09:15 UTCMay 15, 14:10 UTC4h 55m
2026-05-12 SIA325 FRA → SIN May 12, 20:01 UTCMay 13, 07:15 UTC11h 15m
2026-05-12 SIA326 SIN → FRA May 12, 05:25 UTCMay 12, 17:45 UTC12h 20m
2026-05-11 SIA317 LHR → SIN May 11, 10:45 UTCMay 11, 22:35 UTC11h 50m
2026-05-10 SIA322 SIN → LHR May 10, 15:35 UTCMay 11, 04:55 UTC13h 20m
2026-05-07 SIA317 LHR → SIN May 7, 13:45 UTCMay 8, 01:24 UTC11h 40m
2026-05-06 SIA322 SIN → LHR May 6, 15:35 UTCMay 7, 04:45 UTC13h 9m
2026-05-05 SIA403 DEL → SIN May 5, 18:20 UTCMay 5, 21:50 UTC3h 30m
2026-05-05 SIA403 DEL → SIN May 5, 17:15 UTCMay 5, 18:15 UTC1h 0m
2026-05-05 SIA406 SIN → DEL May 5, 09:45 UTCMay 5, 14:50 UTC5h 5m
2026-05-04 SIA423 BOM → SIN May 4, 19:30 UTCMay 4, 22:55 UTC3h 25m
2026-05-04 SIA423 BOM → SIN May 4, 18:30 UTCMay 4, 18:40 UTC11m
2026-05-04 SIA424 SIN → BOM May 4, 15:30 UTCMay 4, 16:00 UTC30m
2026-05-04 SIA424 SIN → BOM May 4, 11:20 UTCMay 4, 14:45 UTC3h 25m
2026-05-03 SIA319 LHR → SIN May 3, 20:10 UTCMay 4, 08:25 UTC12h 15m
2026-05-03 SIA308 SIN → LHR May 3, 01:40 UTCMay 3, 14:30 UTC12h 49m
2026-05-02 SIA403 DEL → SIN May 2, 17:00 UTCMay 2, 21:55 UTC4h 55m
2026-05-02 SIA406 SIN → DEL May 2, 09:15 UTCMay 2, 14:15 UTC5h 0m
2026-05-01 SIA833 PVG → SIN May 1, 01:50 UTCMay 1, 14:00 UTC12h 10m
2026-04-30 SIA423 BOM → SIN Apr 30, 22:40 UTCApr 30, 23:20 UTC40m
2026-04-30 SIA423 BOM → SIN Apr 30, 18:40 UTCApr 30, 18:50 UTC10m
2026-04-30 SIA424 SIN → BOM Apr 30, 15:45 UTCApr 30, 16:05 UTC20m
2026-04-30 SIA424 SIN → BOM Apr 30, 11:30 UTCApr 30, 14:55 UTC3h 25m
2026-04-16 SIA319 LHR → SIN Apr 16, 09:10 UTCApr 16, 09:24 UTC15m
2026-04-16 SIA319 LHR → SIN Apr 16, 08:40 UTCApr 16, 09:05 UTC25m
2026-04-16 SIA319 LHR → SIN Apr 16, 04:29 UTCApr 16, 04:54 UTC25m
2026-04-16 SIA319 LHR → SIN Apr 16, 01:10 UTCApr 16, 01:30 UTC20m
2026-04-15 SIA319 LHR → SIN Apr 15, 23:10 UTCApr 16, 01:05 UTC1h 55m
2026-04-15 SIA319 LHR → SIN Apr 15, 21:15 UTCApr 15, 23:00 UTC1h 45m

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

Mode-S 76CD73 frequently asked

What is Mode-S code 76CD73?
76CD73 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SKS.
Where is Mode-S 76CD73 registered?
Mode-S code 76CD73 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CD73 broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CD73, octal 35546563, decimal 7,785,843.
What flights does 76CD73 operate?
Mode-S 76CD73 has broadcast 11 distinct callsigns, including SIA406, SIA403, SIA424, SIA319, SIA308.