Apparatus

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sensors Mode-S transponder

76CDBA

ICAO 24-bit transponder address · allocated to Singapore

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

Hex
76CDBA
Octal
35546672
Decimal
7,785,914
Country
SG
Tail
9V-SMZ
Type
A359
No current signal · last broadcast 12h ago
Flights observed
206
Distinct callsigns
20
Country
SG
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 76CDBA.

Country allocation

The ICAO 24-bit address 76CDBA 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
SIA352 Singapore Airlines 20 2026-06-26
SIA27 - 20 2026-07-09
SIA351 - 16 2026-06-27
SIA28 - 11 2026-07-09
SIA479 - 9 2026-07-13
SIA478 - 8 2026-07-13
SIA297 Singapore Airlines 6 2026-06-13
SIA912 - 5 2026-06-19
SIA298 - 5 2026-06-14
SIA955 Singapore Airlines 4 2026-06-06
SIA952 Singapore Airlines 4 2026-06-06
SIA894 - 4 2026-07-11
SIA432 Singapore Airlines 4 2026-06-10
SIA126 Singapore Airlines 4 2026-05-23
SIA125 Singapore Airlines 4 2026-05-23
SIA958 Singapore Airlines 3 2026-05-27
SIA919 - 3 2026-06-19
SIA895 - 3 2026-07-11
SIA392 - 3 2026-07-05
SIA391 - 3 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SIA479 - Jul 13, 12:45 UTCJul 13, 22:30 UTC9h 45m
2026-07-13 SIA479 - Jul 13, 09:20 UTCJul 13, 11:05 UTC1h 45m
2026-07-13 SIA478 - Jul 13, 06:05 UTCJul 13, 08:01 UTC1h 55m
2026-07-12 SIA478 - Jul 12, 17:45 UTCJul 13, 04:20 UTC10h 35m
2026-07-12 SIA963 - Jul 12, 11:30 UTCJul 12, 12:50 UTC1h 20m
2026-07-12 SIA962 - Jul 12, 09:45 UTCJul 12, 10:01 UTC15m
2026-07-12 SIA957 - Jul 12, 04:15 UTCJul 12, 05:50 UTC1h 35m
2026-07-12 SIA956 - Jul 12, 01:20 UTCJul 12, 02:40 UTC1h 20m
2026-07-11 SIA895 - Jul 11, 11:05 UTCJul 11, 14:10 UTC3h 5m
2026-07-11 SIA894 - Jul 11, 08:25 UTCJul 11, 08:40 UTC15m
2026-07-11 SIA894 - Jul 11, 05:25 UTCJul 11, 05:45 UTC20m
2026-07-10 SIA248 - Jul 10, 20:00 UTCJul 10, 21:10 UTC1h 10m
2026-07-10 SIA247 - Jul 10, 11:45 UTCJul 10, 18:15 UTC6h 30m
2026-07-09 SIA27 - Jul 9, 17:40 UTCJul 10, 08:45 UTC15h 5m
2026-07-09 SIA28 - Jul 9, 04:30 UTCJul 9, 15:20 UTC10h 50m
2026-07-08 SIA479 - Jul 8, 12:45 UTCJul 8, 22:10 UTC9h 25m
2026-07-08 SIA479 CPT → JNB Jul 8, 09:35 UTCJul 8, 11:10 UTC1h 35m
2026-07-08 SIA478 - Jul 8, 06:15 UTCJul 8, 08:05 UTC1h 50m
2026-07-07 SIA478 - Jul 7, 18:20 UTCJul 8, 04:40 UTC10h 20m
2026-07-07 SIA875 - Jul 7, 05:10 UTCJul 7, 08:15 UTC3h 5m
2026-07-07 SIA874 - Jul 7, 02:35 UTCJul 7, 02:55 UTC20m
2026-07-06 SIA874 - Jul 6, 23:35 UTCJul 7, 00:05 UTC30m
2026-07-06 SIA391 - Jul 6, 10:30 UTCJul 6, 20:15 UTC9h 45m
2026-07-05 SIA392 - Jul 5, 18:40 UTCJul 6, 05:00 UTC10h 20m
2026-07-05 SIA27 SEA → SIN Jul 5, 08:30 UTCJul 5, 08:35 UTC5m
2026-07-04 SIA27 SEA → SIN Jul 4, 17:50 UTCJul 5, 05:35 UTC11h 45m
2026-07-04 SIA28 - Jul 4, 04:45 UTCJul 4, 15:35 UTC10h 50m
2026-07-03 SIA327 - Jul 3, 10:50 UTCJul 3, 22:05 UTC11h 15m
2026-07-02 SIA328 - Jul 2, 16:35 UTCJul 3, 04:40 UTC12h 5m
2026-07-02 SIA431 - Jul 2, 02:35 UTCJul 2, 12:50 UTC10h 15m
2026-07-01 SIA377 - Jul 1, 12:10 UTCJul 1, 23:45 UTC11h 35m
2026-07-01 SIA377 BCN → MXP Jul 1, 09:00 UTCJul 1, 10:10 UTC1h 10m
2026-07-01 SIA378 MXP → BCN Jul 1, 05:55 UTCJul 1, 07:10 UTC1h 15m
2026-06-30 SIA378 - Jun 30, 16:05 UTCJul 1, 04:30 UTC12h 25m
2026-06-29 SIA27 SEA → SIN Jun 29, 09:20 UTCJun 29, 09:34 UTC15m
2026-06-28 SIA27 SEA → SIN Jun 28, 18:00 UTCJun 29, 06:19 UTC12h 20m
2026-06-28 SIA28 - Jun 28, 04:50 UTCJun 28, 15:29 UTC10h 40m
2026-06-27 SIA351 - Jun 27, 10:10 UTCJun 27, 21:40 UTC11h 30m
2026-06-26 SIA352 SIN → CPH Jun 26, 16:44 UTCJun 27, 05:10 UTC12h 25m
2026-06-26 SIA895 - Jun 26, 14:05 UTCJun 26, 14:29 UTC25m
2026-06-26 SIA895 - Jun 26, 11:34 UTCJun 26, 11:45 UTC10m
2026-06-26 SIA894 - Jun 26, 08:30 UTCJun 26, 09:05 UTC35m
2026-06-26 SIA894 - Jun 26, 05:24 UTCJun 26, 05:50 UTC25m
2026-06-25 SIA327 - Jun 25, 10:59 UTCJun 25, 22:04 UTC11h 5m
2026-06-24 SIA328 - Jun 24, 16:40 UTCJun 25, 04:45 UTC12h 5m
2026-06-23 SIA27 SEA → SIN Jun 23, 17:54 UTCJun 24, 05:40 UTC11h 45m
2026-06-23 SIA28 - Jun 23, 04:39 UTCJun 23, 15:30 UTC10h 50m
2026-06-22 SIA37 LAX → SIN Jun 22, 07:34 UTCJun 22, 22:30 UTC14h 55m
2026-06-21 SIA38 SIN → LAX Jun 21, 15:49 UTCJun 22, 04:04 UTC12h 15m
2026-06-20 SIA327 - Jun 20, 10:55 UTCJun 20, 21:44 UTC10h 50m

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

Mode-S 76CDBA frequently asked

What is Mode-S code 76CDBA?
76CDBA is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SMZ.
Where is Mode-S 76CDBA registered?
Mode-S code 76CDBA is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CDBA broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CDBA, octal 35546672, decimal 7,785,914.
What flights does 76CDBA operate?
Mode-S 76CDBA has broadcast 20 distinct callsigns, including SIA352, SIA27, SIA351, SIA28, SIA479.