Apparatus

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sensors Mode-S transponder

76CDAB

ICAO 24-bit transponder address · allocated to Singapore

Currently assigned to 9V-SMK · AIRBUS A-350-900

Hex
76CDAB
Octal
35546653
Decimal
7,785,899
Country
SG
Tail
9V-SMK
Type
A359
No current signal · last broadcast Jul 26, 22:35 UTC
Flights observed
262
Distinct callsigns
20
Country
SG
Last broadcast
Jul 26, 22:35 UTC

Last known position

Most recent position reported by Mode-S 76CDAB.

Country allocation

The ICAO 24-bit address 76CDAB 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
SIA378 - 12 2026-06-21
SIA377 - 12 2026-06-21
SIA894 - 10 2026-07-03
SIA312 Singapore Airlines 9 2026-07-22
SIA309 Singapore Airlines 9 2026-07-23
SIA895 - 8 2026-07-03
SIA208 - 8 2026-07-15
SIA962 Singapore Airlines 7 2026-07-24
SIA956 Singapore Airlines 7 2026-07-24
SIA952 - 6 2026-07-19
SIA247 Singapore Airlines 6 2026-06-18
SIA207 - 6 2026-07-15
SIA963 - 5 2026-07-24
SIA957 Singapore Airlines 5 2026-07-24
SIA875 Singapore Airlines 5 2026-07-22
SIA874 Singapore Airlines 5 2026-07-22
SIA482 - 5 2026-06-17
SIA481 - 5 2026-06-17
SIA338 Singapore Airlines 5 2026-04-13
SIA328 - 5 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SIA306 SIN → LHR Jul 26, 17:30 UTCJul 26, 22:35 UTC5h 5m
2026-07-25 SIA303 BRU → SIN Jul 25, 10:05 UTCJul 25, 22:25 UTC12h 20m
2026-07-24 SIA304 SIN → BRU Jul 24, 16:20 UTCJul 25, 05:00 UTC12h 40m
2026-07-24 SIA963 - Jul 24, 11:50 UTCJul 24, 13:00 UTC1h 10m
2026-07-24 SIA962 SIN → CGK Jul 24, 09:55 UTCJul 24, 10:15 UTC20m
2026-07-24 SIA962 SIN → CGK Jul 24, 08:50 UTCJul 24, 09:25 UTC35m
2026-07-24 SIA957 CGK → SIN Jul 24, 04:20 UTCJul 24, 05:40 UTC1h 20m
2026-07-24 SIA956 SIN → CGK Jul 24, 02:35 UTCJul 24, 02:50 UTC15m
2026-07-24 SIA956 SIN → CGK Jul 24, 01:30 UTCJul 24, 01:55 UTC25m
2026-07-23 SIA309 LGW → SIN Jul 23, 09:30 UTCJul 23, 21:45 UTC12h 15m
2026-07-22 SIA312 SIN → LGW Jul 22, 16:30 UTCJul 23, 05:35 UTC13h 5m
2026-07-22 SIA875 HKG → SIN Jul 22, 05:10 UTCJul 22, 05:25 UTC15m
2026-07-22 SIA874 SIN → HKG Jul 22, 02:40 UTCJul 22, 03:05 UTC25m
2026-07-21 SIA874 SIN → HKG Jul 21, 23:50 UTCJul 22, 00:00 UTC10m
2026-07-21 SIA183 - Jul 21, 05:50 UTCJul 21, 10:40 UTC4h 50m
2026-07-21 SIA105 KUL → SIN Jul 21, 02:50 UTCJul 21, 03:35 UTC45m
2026-07-21 SIA106 SIN → KUL Jul 21, 00:40 UTCJul 21, 01:20 UTC40m
2026-07-20 SIA351 CPH → SIN Jul 20, 10:15 UTCJul 20, 21:55 UTC11h 40m
2026-07-19 SIA352 - Jul 19, 16:35 UTCJul 20, 05:05 UTC12h 30m
2026-07-19 SIA183 - Jul 19, 06:05 UTCJul 19, 10:55 UTC4h 50m
2026-07-19 SIA955 - Jul 19, 03:15 UTCJul 19, 04:35 UTC1h 20m
2026-07-19 SIA952 - Jul 19, 01:05 UTCJul 19, 01:20 UTC15m
2026-07-19 SIA952 - Jul 19, 00:05 UTCJul 19, 00:30 UTC25m
2026-07-18 SIA305 - Jul 18, 08:50 UTCJul 18, 21:25 UTC12h 35m
2026-07-17 SIA306 SIN → LHR Jul 17, 17:30 UTCJul 18, 06:20 UTC12h 51m
2026-07-17 SIA125 - Jul 17, 13:10 UTCJul 17, 13:50 UTC40m
2026-07-17 SIA126 - Jul 17, 11:10 UTCJul 17, 11:50 UTC40m
2026-07-16 SIA301 - Jul 16, 09:55 UTCJul 16, 22:49 UTC12h 55m
2026-07-15 SIA302 - Jul 15, 18:25 UTCJul 16, 08:00 UTC13h 35m
2026-07-15 SIA208 - Jul 15, 15:25 UTCJul 15, 15:35 UTC10m
2026-07-15 SIA208 - Jul 15, 08:50 UTCJul 15, 09:55 UTC1h 5m
2026-07-15 SIA207 - Jul 15, 01:25 UTCJul 15, 07:05 UTC5h 40m
2026-07-15 SIA207 - Jul 15, 00:20 UTCJul 15, 00:30 UTC10m
2026-07-14 SIA351 - Jul 14, 10:10 UTCJul 14, 21:50 UTC11h 40m
2026-07-13 SIA352 - Jul 13, 16:25 UTCJul 14, 04:45 UTC12h 20m
2026-07-13 SIA963 - Jul 13, 11:55 UTCJul 13, 13:10 UTC1h 15m
2026-07-13 SIA962 - Jul 13, 10:00 UTCJul 13, 10:20 UTC20m
2026-07-13 SIA962 - Jul 13, 08:55 UTCJul 13, 09:20 UTC25m
2026-07-13 SIA957 - Jul 13, 04:15 UTCJul 13, 05:45 UTC1h 30m
2026-07-13 SIA956 - Jul 13, 01:25 UTCJul 13, 02:40 UTC1h 15m
2026-07-12 SIA301 - Jul 12, 10:01 UTCJul 12, 22:25 UTC12h 25m
2026-07-11 SIA302 - Jul 11, 18:25 UTCJul 12, 08:10 UTC13h 45m
2026-07-10 SIA301 - Jul 10, 11:00 UTCJul 10, 23:15 UTC12h 15m
2026-07-09 SIA302 - Jul 9, 18:20 UTCJul 10, 08:00 UTC13h 40m
2026-07-09 SIA208 - Jul 9, 15:55 UTCJul 9, 16:05 UTC10m
2026-07-09 SIA208 - Jul 9, 08:50 UTCJul 9, 10:05 UTC1h 15m
2026-07-09 SIA207 - Jul 9, 05:45 UTCJul 9, 07:00 UTC1h 15m
2026-07-08 SIA309 - Jul 8, 09:45 UTCJul 8, 21:55 UTC12h 10m
2026-07-07 SIA312 - Jul 7, 16:15 UTCJul 8, 06:00 UTC13h 45m
2026-07-07 SIA125 - Jul 7, 13:10 UTCJul 7, 13:55 UTC45m

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

Mode-S 76CDAB frequently asked

What is Mode-S code 76CDAB?
76CDAB is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SMK.
Where is Mode-S 76CDAB registered?
Mode-S code 76CDAB is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CDAB broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CDAB, octal 35546653, decimal 7,785,899.
What flights does 76CDAB operate?
Mode-S 76CDAB has broadcast 20 distinct callsigns, including SIA378, SIA377, SIA894, SIA312, SIA309.