Apparatus

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sensors Mode-S transponder

76CD79

ICAO 24-bit transponder address · allocated to Singapore

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

Hex
76CD79
Octal
35546571
Decimal
7,785,849
Country
SG
Tail
9V-SKY
Type
A388
No current signal · last broadcast Jul 26, 06:00 UTC
Flights observed
227
Distinct callsigns
20
Country
SG
Last broadcast
Jul 26, 06:00 UTC

Last known position

Most recent position reported by Mode-S 76CD79.

Country allocation

The ICAO 24-bit address 76CD79 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
SIA317 Singapore Airlines 23 2026-07-03
SIA322 Singapore Airlines 20 2026-07-02
SIA232 Singapore Airlines 20 2026-07-22
SIA424 Singapore Airlines 17 2026-07-22
SIA221 - 16 2026-07-21
SIA423 - 13 2026-07-22
SIA325 - 13 2026-07-16
SIA326 - 12 2026-07-16
SIA319 - 11 2026-07-18
SIA308 Singapore Airlines 11 2026-07-18
SIA231 Singapore Airlines 11 2026-07-25
SIA222 Singapore Airlines 11 2026-07-26
SIA406 - 9 2026-06-12
SIA403 Singapore Airlines 9 2026-06-12
SIA893 Singapore Airlines 6 2026-07-23
SIA892 Singapore Airlines 6 2026-07-23
SIA228 Singapore Airlines 6 2026-07-25
SIA237 Singapore Airlines 5 2026-07-24
SIA833 Singapore Airlines 3 2026-07-24
SIA830 - 3 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SIA222 SYD → SIN Jul 26, 05:30 UTCJul 26, 06:00 UTC30m
2026-07-25 SIA231 SIN → SYD Jul 25, 23:20 UTCJul 26, 00:00 UTC40m
2026-07-25 SIA228 MEL → SIN Jul 25, 05:40 UTCJul 25, 13:05 UTC7h 25m
2026-07-24 SIA237 SIN → MEL Jul 24, 18:10 UTCJul 25, 00:30 UTC6h 20m
2026-07-24 SIA833 PVG → SIN Jul 24, 02:05 UTCJul 24, 11:10 UTC9h 5m
2026-07-23 SIA893 HKG → SIN Jul 23, 10:40 UTCJul 23, 11:05 UTC25m
2026-07-23 SIA893 HKG → SIN Jul 23, 08:00 UTCJul 23, 08:15 UTC15m
2026-07-23 SIA892 SIN → HKG Jul 23, 05:20 UTCJul 23, 05:40 UTC20m
2026-07-23 SIA892 SIN → HKG Jul 23, 02:25 UTCJul 23, 02:50 UTC25m
2026-07-22 SIA423 - Jul 22, 23:25 UTCJul 23, 00:10 UTC45m
2026-07-22 SIA423 - Jul 22, 19:15 UTCJul 22, 19:25 UTC10m
2026-07-22 SIA424 SIN → BOM Jul 22, 16:55 UTCJul 22, 17:20 UTC25m
2026-07-22 SIA424 SIN → BOM Jul 22, 12:20 UTCJul 22, 12:55 UTC35m
2026-07-22 SIA232 SYD → SIN Jul 22, 01:20 UTCJul 22, 01:50 UTC30m
2026-07-21 SIA221 - Jul 21, 19:35 UTCJul 21, 20:25 UTC50m
2026-07-21 SIA232 SYD → SIN Jul 21, 01:30 UTCJul 21, 20:25 UTC18h 55m
2026-07-20 SIA221 - Jul 20, 13:30 UTCJul 20, 20:20 UTC6h 50m
2026-07-20 SIA232 SYD → SIN Jul 20, 01:15 UTCJul 20, 02:05 UTC50m
2026-07-19 SIA221 - Jul 19, 14:25 UTCJul 19, 20:20 UTC5h 55m
2026-07-18 SIA319 - Jul 18, 20:05 UTCJul 19, 08:20 UTC12h 15m
2026-07-18 SIA308 SIN → LHR Jul 18, 01:45 UTCJul 18, 14:30 UTC12h 46m
2026-07-16 SIA325 - Jul 16, 20:09 UTCJul 17, 08:15 UTC12h 5m
2026-07-16 SIA326 - Jul 16, 05:15 UTCJul 16, 17:10 UTC11h 55m
2026-07-15 SIA423 - Jul 15, 22:35 UTCJul 15, 23:25 UTC50m
2026-07-15 SIA423 - Jul 15, 18:30 UTCJul 15, 18:40 UTC10m
2026-07-15 SIA424 - Jul 15, 15:35 UTCJul 15, 15:50 UTC15m
2026-07-15 SIA424 - Jul 15, 11:25 UTCJul 15, 14:50 UTC3h 25m
2026-07-14 SIA222 - Jul 14, 05:10 UTCJul 14, 06:10 UTC1h 0m
2026-07-13 SIA231 - Jul 13, 18:10 UTCJul 13, 23:50 UTC5h 40m
2026-07-12 SIA827D - Jul 12, 22:55 UTCJul 13, 11:50 UTC12h 55m
2026-07-12 SIA893 - Jul 12, 10:55 UTCJul 12, 11:25 UTC30m
2026-07-12 SIA893 - Jul 12, 08:10 UTCJul 12, 08:25 UTC15m
2026-07-12 SIA892 - Jul 12, 05:10 UTCJul 12, 05:35 UTC25m
2026-07-12 SIA892 - Jul 12, 02:15 UTCJul 12, 02:35 UTC20m
2026-07-11 SIA423 - Jul 11, 19:40 UTCJul 11, 23:35 UTC3h 55m
2026-07-11 SIA423 - Jul 11, 18:35 UTCJul 11, 18:45 UTC10m
2026-07-11 SIA424 - Jul 11, 15:25 UTCJul 11, 15:45 UTC20m
2026-07-11 SIA424 - Jul 11, 11:25 UTCJul 11, 12:05 UTC40m
2026-07-11 SIA232 - Jul 11, 01:20 UTCJul 11, 02:10 UTC50m
2026-07-10 SIA221 - Jul 10, 19:30 UTCJul 10, 20:10 UTC40m
2026-07-09 SIA423 - Jul 9, 22:40 UTCJul 9, 23:25 UTC45m
2026-07-09 SIA424 - Jul 9, 15:40 UTCJul 9, 16:00 UTC20m
2026-07-09 SIA424 - Jul 9, 11:40 UTCJul 9, 15:00 UTC3h 20m
2026-07-09 SIA232 - Jul 9, 01:30 UTCJul 9, 09:30 UTC8h 0m
2026-07-08 SIA221 - Jul 8, 13:45 UTCJul 8, 20:55 UTC7h 10m
2026-07-08 SIA232 - Jul 8, 01:30 UTCJul 8, 09:25 UTC7h 55m
2026-07-07 SIA221 SIN → SYD Jul 7, 19:30 UTCJul 7, 20:35 UTC1h 5m
2026-07-06 SIA319 LHR → SIN Jul 6, 20:10 UTCJul 7, 08:20 UTC12h 10m
2026-07-06 SIA308 - Jul 6, 01:40 UTCJul 6, 14:55 UTC13h 15m
2026-07-04 SIA830 - Jul 4, 01:55 UTCJul 4, 15:55 UTC14h 0m

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

Mode-S 76CD79 frequently asked

What is Mode-S code 76CD79?
76CD79 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SKY.
Where is Mode-S 76CD79 registered?
Mode-S code 76CD79 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CD79 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 06:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CD79, octal 35546571, decimal 7,785,849.
What flights does 76CD79 operate?
Mode-S 76CD79 has broadcast 20 distinct callsigns, including SIA317, SIA322, SIA232, SIA424, SIA221.