Apparatus

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sensors Mode-S transponder

76CDB5

ICAO 24-bit transponder address · allocated to Singapore

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

Hex
76CDB5
Octal
35546665
Decimal
7,785,909
Country
SG
Tail
9V-SMU
Type
A359
Transponder active on ground
Flights observed
255
Distinct callsigns
20
Country
SG
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S 76CDB5.

Country allocation

The ICAO 24-bit address 76CDB5 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
SIA482 - 11 2026-07-15
SIA481 - 11 2026-07-15
SIA479 Singapore Airlines 10 2026-07-24
SIA312 Singapore Airlines 10 2026-06-12
SIA952 - 9 2026-07-07
SIA338 - 9 2026-07-07
SIA309 Singapore Airlines 9 2026-06-13
SIA962 Singapore Airlines 8 2026-07-25
SIA895 - 8 2026-07-09
SIA894 - 8 2026-07-09
SIA478 Singapore Airlines 8 2026-07-24
SIA298 Singapore Airlines 8 2026-06-11
SIA337 - 7 2026-07-07
SIA208 - 7 2026-07-21
SIA956 Singapore Airlines 6 2026-07-25
SIA955 - 6 2026-07-07
SIA351 - 6 2026-07-06
SIA297 Singapore Airlines 6 2026-06-10
SIA963 Singapore Airlines 5 2026-07-25
SIA912 Singapore Airlines 5 2026-05-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SIA313 LHR → SIN Jul 26, 12:10 UTCJul 26, 21:15 UTC9h 5m
2026-07-25 SIA314 SIN → LHR Jul 25, 19:55 UTCJul 26, 08:50 UTC12h 56m
2026-07-25 SIA963 CGK → SIN Jul 25, 11:30 UTCJul 25, 12:45 UTC1h 15m
2026-07-25 SIA962 SIN → CGK Jul 25, 09:45 UTCJul 25, 10:00 UTC15m
2026-07-25 SIA962 SIN → CGK Jul 25, 08:40 UTCJul 25, 09:10 UTC30m
2026-07-25 SIA957 CGK → SIN Jul 25, 04:25 UTCJul 25, 05:45 UTC1h 20m
2026-07-25 SIA956 SIN → CGK Jul 25, 02:20 UTCJul 25, 02:35 UTC15m
2026-07-25 SIA956 SIN → CGK Jul 25, 01:20 UTCJul 25, 01:50 UTC30m
2026-07-24 SIA479 JNB → SIN Jul 24, 12:05 UTCJul 24, 21:40 UTC9h 35m
2026-07-24 SIA479 JNB → SIN Jul 24, 08:50 UTCJul 24, 10:30 UTC1h 40m
2026-07-24 SIA478 JNB → CPT Jul 24, 05:15 UTCJul 24, 07:05 UTC1h 50m
2026-07-23 SIA478 JNB → CPT Jul 23, 17:35 UTCJul 24, 04:05 UTC10h 30m
2026-07-22 SIA313 LHR → SIN Jul 22, 12:25 UTCJul 23, 00:35 UTC12h 10m
2026-07-21 SIA314 SIN → LHR Jul 21, 18:55 UTCJul 22, 05:25 UTC10h 30m
2026-07-21 SIA208 - Jul 21, 08:30 UTCJul 21, 09:35 UTC1h 5m
2026-07-21 SIA207 SIN → MEL Jul 21, 00:10 UTCJul 21, 06:35 UTC6h 25m
2026-07-20 SIA479 - Jul 20, 21:10 UTCJul 20, 22:00 UTC50m
2026-07-20 SIA479 - Jul 20, 12:15 UTCJul 20, 12:30 UTC15m
2026-07-20 SIA479 CPT → JNB Jul 20, 08:50 UTCJul 20, 10:20 UTC1h 30m
2026-07-20 SIA478 JNB → CPT Jul 20, 05:30 UTCJul 20, 07:30 UTC2h 0m
2026-07-19 SIA478 JNB → CPT Jul 19, 17:50 UTCJul 20, 04:20 UTC10h 30m
2026-07-19 SIA125 - Jul 19, 13:00 UTCJul 19, 13:40 UTC40m
2026-07-19 SIA126 - Jul 19, 10:55 UTCJul 19, 11:35 UTC40m
2026-07-17 SIA305 - Jul 17, 08:40 UTCJul 17, 21:20 UTC12h 40m
2026-07-16 SIA306 SIN → LHR Jul 16, 17:30 UTCJul 17, 06:29 UTC13h 0m
2026-07-15 SIA481 - Jul 15, 19:05 UTCJul 16, 04:35 UTC9h 30m
2026-07-15 SIA482 - Jul 15, 06:50 UTCJul 15, 17:20 UTC10h 30m
2026-07-14 SIA481 - Jul 14, 19:10 UTCJul 15, 04:50 UTC9h 39m
2026-07-14 SIA482 - Jul 14, 06:40 UTCJul 14, 17:15 UTC10h 35m
2026-07-13 SIA301 - Jul 13, 10:00 UTCJul 13, 22:45 UTC12h 45m
2026-07-12 SIA302 - Jul 12, 18:15 UTCJul 13, 07:50 UTC13h 35m
2026-07-12 SIA208 - Jul 12, 15:55 UTCJul 12, 16:10 UTC15m
2026-07-12 SIA208 - Jul 12, 08:40 UTCJul 12, 09:50 UTC1h 10m
2026-07-12 SIA207 - Jul 12, 00:15 UTCJul 12, 06:55 UTC6h 40m
2026-07-11 SIA125 - Jul 11, 12:55 UTCJul 11, 13:35 UTC40m
2026-07-11 SIA126 - Jul 11, 10:50 UTCJul 11, 11:30 UTC40m
2026-07-11 SIA875 - Jul 11, 04:40 UTCJul 11, 08:01 UTC3h 20m
2026-07-11 SIA874 - Jul 11, 02:25 UTCJul 11, 02:50 UTC25m
2026-07-10 SIA874 - Jul 10, 23:30 UTCJul 11, 00:00 UTC30m
2026-07-10 SIA391 - Jul 10, 10:30 UTCJul 10, 20:20 UTC9h 50m
2026-07-09 SIA392 - Jul 9, 18:35 UTCJul 10, 04:55 UTC10h 20m
2026-07-09 SIA895 - Jul 9, 13:35 UTCJul 9, 14:10 UTC35m
2026-07-09 SIA895 - Jul 9, 11:05 UTCJul 9, 11:20 UTC15m
2026-07-09 SIA894 - Jul 9, 08:40 UTCJul 9, 08:55 UTC15m
2026-07-09 SIA894 - Jul 9, 05:20 UTCJul 9, 06:00 UTC40m
2026-07-08 SIA248 - Jul 8, 20:15 UTCJul 9, 03:25 UTC7h 10m
2026-07-08 SIA247 - Jul 8, 17:05 UTCJul 8, 18:05 UTC1h 0m
2026-07-07 SIA337 - Jul 7, 21:15 UTCJul 8, 09:35 UTC12h 20m
2026-07-07 SIA338 - Jul 7, 06:00 UTCJul 7, 19:00 UTC13h 0m
2026-07-07 SIA955 - Jul 7, 02:45 UTCJul 7, 04:05 UTC1h 20m

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

Mode-S 76CDB5 frequently asked

What is Mode-S code 76CDB5?
76CDB5 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SMU.
Where is Mode-S 76CDB5 registered?
Mode-S code 76CDB5 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CDB5 broadcasting right now?
Mode-S 76CDB5 is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CDB5, octal 35546665, decimal 7,785,909.
What flights does 76CDB5 operate?
Mode-S 76CDB5 has broadcast 20 distinct callsigns, including SIA482, SIA481, SIA479, SIA312, SIA952.