Apparatus

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sensors Mode-S transponder

76CD6D

ICAO 24-bit transponder address · allocated to Singapore

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

Hex
76CD6D
Octal
35546555
Decimal
7,785,837
Country
SG
Tail
9V-SKM
Type
A388
No current signal · last broadcast Jul 26, 08:35 UTC
Flights observed
190
Distinct callsigns
20
Country
SG
Last broadcast
Jul 26, 08:35 UTC

Last known position

Most recent position reported by Mode-S 76CD6D.

Country allocation

The ICAO 24-bit address 76CD6D 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
SIA237 Singapore Airlines 24 2026-07-23
SIA228 Singapore Airlines 22 2026-07-24
SIA231 Singapore Airlines 19 2026-07-22
SIA222 Singapore Airlines 16 2026-07-23
SIA317 - 10 2026-07-13
SIA221 Singapore Airlines 10 2026-06-22
SIA424 - 9 2026-07-06
SIA322 - 9 2026-07-12
SIA423 Singapore Airlines 8 2026-07-06
SIA326 Singapore Airlines 8 2026-07-18
SIA325 - 8 2026-07-18
SIA833 - 7 2026-07-14
SIA308 Singapore Airlines 7 2026-07-25
SIA232 - 7 2026-06-23
SIA406 - 6 2026-06-17
SIA319 Singapore Airlines 6 2026-07-25
SIA403 Singapore Airlines 5 2026-06-17
SIA892 Singapore Airlines 4 2026-07-21
SIA893 Singapore Airlines 3 2026-07-21
SIA9305 - 1 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 SIA319 LHR → SIN Jul 25, 20:00 UTCJul 26, 08:35 UTC12h 36m
2026-07-25 SIA308 SIN → LHR Jul 25, 01:25 UTCJul 25, 14:35 UTC13h 10m
2026-07-24 SIA228 MEL → SIN Jul 24, 06:05 UTCJul 24, 13:35 UTC7h 30m
2026-07-23 SIA237 SIN → MEL Jul 23, 23:40 UTCJul 24, 00:45 UTC1h 5m
2026-07-23 SIA222 SYD → SIN Jul 23, 05:20 UTCJul 23, 06:20 UTC1h 0m
2026-07-22 SIA231 SIN → SYD Jul 22, 17:55 UTCJul 23, 00:05 UTC6h 10m
2026-07-22 SIA222 SYD → SIN Jul 22, 05:15 UTCJul 22, 05:25 UTC10m
2026-07-21 SIA231 SIN → SYD Jul 21, 17:45 UTCJul 21, 23:55 UTC6h 10m
2026-07-21 SIA893 HKG → SIN Jul 21, 07:55 UTCJul 21, 08:10 UTC15m
2026-07-21 SIA892 SIN → HKG Jul 21, 05:15 UTCJul 21, 05:45 UTC30m
2026-07-21 SIA892 SIN → HKG Jul 21, 02:15 UTCJul 21, 02:40 UTC25m
2026-07-20 SIA228 MEL → SIN Jul 20, 05:50 UTCJul 20, 07:00 UTC1h 10m
2026-07-19 SIA237 - Jul 19, 18:10 UTCJul 20, 00:35 UTC6h 25m
2026-07-18 SIA325 - Jul 18, 20:20 UTCJul 19, 08:00 UTC11h 40m
2026-07-18 SIA326 SIN → FRA Jul 18, 05:15 UTCJul 18, 17:30 UTC12h 15m
2026-07-17 SIA228 - Jul 17, 05:39 UTCJul 17, 06:50 UTC1h 10m
2026-07-16 SIA237 - Jul 16, 18:10 UTCJul 17, 00:55 UTC6h 45m
2026-07-16 SIA228 - Jul 16, 05:45 UTCJul 16, 06:50 UTC1h 5m
2026-07-15 SIA237 - Jul 15, 19:40 UTCJul 16, 01:30 UTC5h 50m
2026-07-15 SIA237 - Jul 15, 18:30 UTCJul 15, 18:40 UTC10m
2026-07-15 SIA893 - Jul 15, 11:45 UTCJul 15, 12:05 UTC20m
2026-07-15 SIA893 - Jul 15, 09:05 UTCJul 15, 09:20 UTC15m
2026-07-15 SIA892 - Jul 15, 05:45 UTCJul 15, 06:00 UTC15m
2026-07-15 SIA892 - Jul 15, 02:20 UTCJul 15, 02:40 UTC20m
2026-07-14 SIA833 - Jul 14, 02:00 UTCJul 14, 14:45 UTC12h 45m
2026-07-13 SIA317 - Jul 13, 10:50 UTCJul 13, 23:10 UTC12h 20m
2026-07-12 SIA322 - Jul 12, 15:35 UTCJul 13, 04:30 UTC12h 55m
2026-07-12 SIA222 - Jul 12, 05:05 UTCJul 12, 05:35 UTC30m
2026-07-11 SIA231 - Jul 11, 17:00 UTCJul 11, 23:55 UTC6h 55m
2026-07-11 SIA222 - Jul 11, 05:01 UTCJul 11, 05:50 UTC50m
2026-07-10 SIA231 - Jul 10, 17:15 UTCJul 11, 00:00 UTC6h 45m
2026-07-09 SIA319 - Jul 9, 20:00 UTCJul 10, 08:35 UTC12h 35m
2026-07-09 SIA308 - Jul 9, 01:35 UTCJul 9, 14:45 UTC13h 10m
2026-07-08 SIA228 - Jul 8, 05:40 UTCJul 8, 12:50 UTC7h 10m
2026-07-07 SIA237 SIN → MEL Jul 7, 23:35 UTCJul 8, 00:30 UTC55m
2026-07-07 SIA833 - Jul 7, 02:10 UTCJul 7, 13:45 UTC11h 35m
2026-07-06 SIA423 BOM → SIN Jul 6, 22:40 UTCJul 6, 23:25 UTC45m
2026-07-06 SIA423 BOM → SIN Jul 6, 18:35 UTCJul 6, 18:45 UTC10m
2026-07-06 SIA424 - Jul 6, 15:30 UTCJul 6, 16:10 UTC40m
2026-07-06 SIA424 - Jul 6, 11:20 UTCJul 6, 14:40 UTC3h 20m
2026-07-05 SIA325 FRA → SIN Jul 5, 20:05 UTCJul 6, 07:40 UTC11h 35m
2026-07-05 SIA326 - Jul 5, 05:00 UTCJul 5, 17:25 UTC12h 25m
2026-07-03 SIA319 LHR → SIN Jul 3, 20:30 UTCJul 4, 08:40 UTC12h 10m
2026-07-03 SIA308 - Jul 3, 01:25 UTCJul 3, 14:50 UTC13h 25m
2026-07-02 SIA222 - Jul 2, 05:35 UTCJul 2, 06:00 UTC25m
2026-07-01 SIA231 SIN → SYD Jul 1, 17:25 UTCJul 2, 00:00 UTC6h 35m
2026-07-01 SIA833 - Jul 1, 01:55 UTCJul 1, 13:45 UTC11h 50m
2026-06-30 SIA317 LHR → SIN Jun 30, 10:50 UTCJun 30, 23:05 UTC12h 15m
2026-06-29 SIA322 SIN → LHR Jun 29, 15:24 UTCJun 30, 04:35 UTC13h 11m
2026-06-29 SIA228 - Jun 29, 05:34 UTCJun 29, 06:50 UTC1h 15m

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

Mode-S 76CD6D frequently asked

What is Mode-S code 76CD6D?
76CD6D is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SKM.
Where is Mode-S 76CD6D registered?
Mode-S code 76CD6D is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CD6D broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 08:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CD6D, octal 35546555, decimal 7,785,837.
What flights does 76CD6D operate?
Mode-S 76CD6D has broadcast 20 distinct callsigns, including SIA237, SIA228, SIA231, SIA222, SIA317.