Apparatus

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sensors Mode-S transponder

76CDB3

ICAO 24-bit transponder address · allocated to Singapore

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

Hex
76CDB3
Octal
35546663
Decimal
7,785,907
Country
SG
Tail
9V-SMS
Type
A359
No current signal · last broadcast Jul 26, 22:35 UTC
Flights observed
286
Distinct callsigns
20
Country
SG
Last broadcast
Jul 26, 22:35 UTC

Last known position

Most recent position reported by Mode-S 76CDB3.

Country allocation

The ICAO 24-bit address 76CDB3 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
SIA894 - 20 2026-07-07
SIA895 - 18 2026-07-07
SIA479 - 17 2026-07-17
SIA478 Singapore Airlines 15 2026-07-17
SIA323 - 13 2026-06-17
SIA875 - 10 2026-07-14
SIA874 - 10 2026-07-14
SIA324 - 10 2026-06-16
SIA952 - 9 2026-07-09
SIA297 Singapore Airlines 8 2026-07-24
SIA309 Singapore Airlines 7 2026-04-16
SIA298 Singapore Airlines 7 2026-07-25
SIA105 - 7 2026-07-07
SIA959 Singapore Airlines 6 2026-07-24
SIA955 - 6 2026-07-09
SIA302 Singapore Airlines 6 2026-07-25
SIA301 Singapore Airlines 6 2026-07-26
SIA106 - 6 2026-07-07
SIA963 - 5 2026-07-21
SIA962 - 5 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SIA301 MAN → SIN Jul 26, 10:05 UTCJul 26, 22:35 UTC12h 30m
2026-07-25 SIA302 SIN → MAN Jul 25, 18:40 UTCJul 26, 07:45 UTC13h 6m
2026-07-25 SIA298 CHC → SIN Jul 25, 09:40 UTCJul 25, 09:55 UTC15m
2026-07-24 SIA298 CHC → SIN Jul 24, 22:50 UTCJul 25, 02:25 UTC3h 35m
2026-07-24 SIA297 SIN → CHC Jul 24, 20:25 UTCJul 24, 20:50 UTC25m
2026-07-24 SIA297 SIN → CHC Jul 24, 12:10 UTCJul 24, 18:35 UTC6h 25m
2026-07-24 SIA959 CGK → SIN Jul 24, 07:45 UTCJul 24, 09:15 UTC1h 30m
2026-07-24 SIA958 SIN → CGK Jul 24, 06:00 UTCJul 24, 06:20 UTC20m
2026-07-24 SIA958 SIN → CGK Jul 24, 05:00 UTCJul 24, 05:20 UTC20m
2026-07-23 SIA365 - Jul 23, 10:40 UTCJul 23, 21:55 UTC11h 15m
2026-07-22 SIA366 SIN → FCO Jul 22, 18:20 UTCJul 23, 06:35 UTC12h 15m
2026-07-21 SIA963 - Jul 21, 11:30 UTCJul 21, 12:50 UTC1h 20m
2026-07-21 SIA962 - Jul 21, 09:50 UTCJul 21, 10:05 UTC15m
2026-07-21 SIA962 - Jul 21, 08:50 UTCJul 21, 09:15 UTC25m
2026-07-20 SIA301 MAN → SIN Jul 20, 15:45 UTCJul 21, 04:05 UTC12h 19m
2026-07-19 SIA302 SIN → MAN Jul 19, 23:45 UTCJul 20, 13:00 UTC13h 15m
2026-07-19 SIA391 - Jul 19, 10:50 UTCJul 19, 20:50 UTC10h 0m
2026-07-18 SIA392 SIN → IST Jul 18, 19:05 UTCJul 19, 05:15 UTC10h 10m
2026-07-18 SIA208 - Jul 18, 08:40 UTCJul 18, 09:35 UTC55m
2026-07-18 SIA207 SIN → MEL Jul 18, 00:19 UTCJul 18, 06:50 UTC6h 31m
2026-07-17 SIA479 - Jul 17, 12:19 UTCJul 17, 21:55 UTC9h 35m
2026-07-17 SIA479 CPT → JNB Jul 17, 09:04 UTCJul 17, 10:40 UTC1h 35m
2026-07-17 SIA478 JNB → CPT Jul 17, 05:25 UTCJul 17, 07:30 UTC2h 5m
2026-07-16 SIA478 JNB → CPT Jul 16, 17:40 UTCJul 17, 03:59 UTC10h 20m
2026-07-15 SIA337 - Jul 15, 20:55 UTCJul 16, 09:30 UTC12h 35m
2026-07-15 SIA338 - Jul 15, 05:55 UTCJul 15, 18:35 UTC12h 40m
2026-07-14 SIA125 - Jul 14, 12:50 UTCJul 14, 13:15 UTC25m
2026-07-14 SIA126 - Jul 14, 10:45 UTCJul 14, 11:25 UTC40m
2026-07-14 SIA875 - Jul 14, 07:35 UTCJul 14, 08:00 UTC25m
2026-07-14 SIA875 - Jul 14, 05:00 UTCJul 14, 05:15 UTC15m
2026-07-14 SIA874 - Jul 14, 02:45 UTCJul 14, 03:10 UTC25m
2026-07-13 SIA874 - Jul 13, 23:45 UTCJul 14, 00:10 UTC25m
2026-07-13 SIA391 - Jul 13, 10:35 UTCJul 13, 20:25 UTC9h 50m
2026-07-12 SIA392 - Jul 12, 18:45 UTCJul 13, 04:55 UTC10h 10m
2026-07-12 SIA125 - Jul 12, 12:55 UTCJul 12, 13:35 UTC40m
2026-07-12 SIA126 - Jul 12, 10:45 UTCJul 12, 11:25 UTC40m
2026-07-12 SIA875 - Jul 12, 07:31 UTCJul 12, 08:10 UTC40m
2026-07-12 SIA875 - Jul 12, 04:50 UTCJul 12, 05:05 UTC15m
2026-07-12 SIA874 - Jul 12, 02:40 UTCJul 12, 03:05 UTC25m
2026-07-11 SIA874 - Jul 11, 23:40 UTCJul 12, 00:10 UTC30m
2026-07-11 SIA298 - Jul 11, 01:05 UTCJul 11, 02:05 UTC1h 0m
2026-07-10 SIA298 - Jul 10, 23:00 UTCJul 10, 23:15 UTC15m
2026-07-10 SIA297 - Jul 10, 20:50 UTCJul 10, 21:10 UTC20m
2026-07-10 SIA297 - Jul 10, 18:20 UTCJul 10, 19:15 UTC55m
2026-07-10 SIA297 - Jul 10, 12:15 UTCJul 10, 12:25 UTC10m
2026-07-09 SIA337 - Jul 9, 21:25 UTCJul 10, 09:45 UTC12h 20m
2026-07-09 SIA338 - Jul 9, 06:45 UTCJul 9, 19:25 UTC12h 40m
2026-07-09 SIA955 - Jul 9, 03:30 UTCJul 9, 04:50 UTC1h 20m
2026-07-09 SIA952 - Jul 9, 01:30 UTCJul 9, 01:45 UTC15m
2026-07-09 SIA952 - Jul 9, 00:25 UTCJul 9, 00:40 UTC15m

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

Mode-S 76CDB3 frequently asked

What is Mode-S code 76CDB3?
76CDB3 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SMS.
Where is Mode-S 76CDB3 registered?
Mode-S code 76CDB3 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CDB3 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 76CDB3, octal 35546663, decimal 7,785,907.
What flights does 76CDB3 operate?
Mode-S 76CDB3 has broadcast 20 distinct callsigns, including SIA894, SIA895, SIA479, SIA478, SIA323.