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 Jul 26, 22:45 UTC
Flights observed
166
Distinct callsigns
16
Country
SG
Last broadcast
Jul 26, 22:45 UTC

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 16 distinct

Callsign Airline Flights Last seen
SIA424 Singapore Airlines 28 2026-07-25
SIA423 Singapore Airlines 22 2026-07-25
SIA319 Singapore Airlines 18 2026-07-25
SIA308 Singapore Airlines 16 2026-07-24
SIA406 - 12 2026-06-15
SIA403 Singapore Airlines 12 2026-06-15
SIA326 Singapore Airlines 9 2026-07-26
SIA325 Singapore Airlines 9 2026-07-26
SIA892 Singapore Airlines 8 2026-07-17
SIA893 - 7 2026-07-17
SIA833 - 7 2026-07-21
SIA317 - 7 2026-07-20
SIA322 - 6 2026-07-19
SIA830 - 2 2026-06-18
SIA228 - 2 2026-06-14
SIA237 Singapore Airlines 1 2026-06-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SIA325 FRA → SIN Jul 26, 20:00 UTCJul 26, 22:45 UTC2h 45m
2026-07-26 SIA326 SIN → FRA Jul 26, 05:05 UTCJul 26, 17:05 UTC12h 1m
2026-07-25 SIA423 BOM → SIN Jul 25, 22:55 UTCJul 25, 23:45 UTC50m
2026-07-25 SIA423 BOM → SIN Jul 25, 18:45 UTCJul 25, 18:55 UTC10m
2026-07-25 SIA424 SIN → BOM Jul 25, 15:35 UTCJul 25, 15:50 UTC15m
2026-07-25 SIA424 SIN → BOM Jul 25, 11:25 UTCJul 25, 12:10 UTC45m
2026-07-25 SIA319 LHR → SIN Jul 25, 07:35 UTCJul 25, 08:40 UTC1h 5m
2026-07-24 SIA319 LHR → SIN Jul 24, 19:55 UTCJul 25, 05:05 UTC9h 10m
2026-07-24 SIA308 SIN → LHR Jul 24, 01:25 UTCJul 24, 14:25 UTC13h 0m
2026-07-22 SIA325 FRA → SIN Jul 22, 20:10 UTCJul 23, 08:00 UTC11h 50m
2026-07-22 SIA326 SIN → FRA Jul 22, 10:20 UTCJul 22, 18:05 UTC7h 45m
2026-07-21 SIA833 - Jul 21, 02:00 UTCJul 21, 13:50 UTC11h 50m
2026-07-20 SIA317 - Jul 20, 10:55 UTCJul 20, 23:00 UTC12h 5m
2026-07-19 SIA322 - Jul 19, 15:25 UTCJul 20, 04:25 UTC13h 0m
2026-07-18 SIA317 - Jul 18, 11:00 UTCJul 18, 23:20 UTC12h 20m
2026-07-17 SIA322 - Jul 17, 15:20 UTCJul 18, 04:30 UTC13h 11m
2026-07-17 SIA893 - Jul 17, 11:00 UTCJul 17, 11:30 UTC30m
2026-07-17 SIA893 - Jul 17, 08:20 UTCJul 17, 08:35 UTC15m
2026-07-17 SIA892 SIN → HKG Jul 17, 05:25 UTCJul 17, 05:55 UTC30m
2026-07-17 SIA892 SIN → HKG Jul 17, 02:20 UTCJul 17, 02:39 UTC20m
2026-07-16 SIA423 - Jul 16, 22:49 UTCJul 16, 23:40 UTC50m
2026-07-16 SIA423 - Jul 16, 18:40 UTCJul 16, 18:50 UTC10m
2026-07-16 SIA424 - Jul 16, 15:25 UTCJul 16, 15:40 UTC15m
2026-07-16 SIA424 - Jul 16, 11:20 UTCJul 16, 11:54 UTC35m
2026-07-15 SIA319 - Jul 15, 20:00 UTCJul 16, 08:40 UTC12h 40m
2026-07-15 SIA308 - Jul 15, 01:35 UTCJul 15, 14:35 UTC13h 0m
2026-07-13 SIA319 - Jul 13, 20:00 UTCJul 14, 08:25 UTC12h 25m
2026-07-13 SIA308 - Jul 13, 01:20 UTCJul 13, 14:20 UTC13h 0m
2026-07-12 SIA833 - Jul 12, 07:10 UTCJul 12, 19:01 UTC11h 50m
2026-07-10 SIA319 - Jul 10, 20:00 UTCJul 11, 08:01 UTC12h 1m
2026-07-10 SIA308 - Jul 10, 01:25 UTCJul 10, 14:35 UTC13h 10m
2026-07-09 SIA893 - Jul 9, 10:40 UTCJul 9, 11:25 UTC45m
2026-07-09 SIA893 - Jul 9, 08:10 UTCJul 9, 08:25 UTC15m
2026-07-09 SIA892 - Jul 9, 05:35 UTCJul 9, 05:50 UTC15m
2026-07-09 SIA892 - Jul 9, 02:15 UTCJul 9, 02:45 UTC30m
2026-07-08 SIA423 BOM → SIN Jul 8, 19:25 UTCJul 8, 23:25 UTC4h 0m
2026-07-08 SIA424 - Jul 8, 15:30 UTCJul 8, 16:00 UTC30m
2026-07-08 SIA424 - Jul 8, 11:20 UTCJul 8, 11:55 UTC35m
2026-07-07 SIA319 LHR → SIN Jul 7, 19:50 UTCJul 8, 08:05 UTC12h 15m
2026-07-07 SIA308 - Jul 7, 01:15 UTCJul 7, 14:25 UTC13h 10m
2026-07-06 SIA833 - Jul 6, 01:55 UTCJul 6, 13:55 UTC12h 0m
2026-07-05 SIA423 BOM → SIN Jul 5, 19:50 UTCJul 5, 23:45 UTC3h 55m
2026-07-05 SIA423 BOM → SIN Jul 5, 18:50 UTCJul 5, 19:00 UTC10m
2026-07-05 SIA424 - Jul 5, 15:40 UTCJul 5, 16:25 UTC45m
2026-07-05 SIA424 - Jul 5, 11:20 UTCJul 5, 12:10 UTC50m
2026-07-04 SIA325 FRA → SIN Jul 4, 19:50 UTCJul 5, 07:25 UTC11h 35m
2026-07-04 SIA326 - Jul 4, 05:15 UTCJul 4, 17:30 UTC12h 15m
2026-07-03 SIA833 - Jul 3, 02:10 UTCJul 3, 17:20 UTC15h 10m
2026-07-02 SIA423 BOM → SIN Jul 2, 22:20 UTCJul 2, 23:25 UTC1h 5m
2026-07-02 SIA423 BOM → SIN Jul 2, 18:30 UTCJul 2, 18:40 UTC10m

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 Jul 26, 22:45 UTC.
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 16 distinct callsigns, including SIA424, SIA423, SIA319, SIA308, SIA406.