Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

76CEF1

ICAO 24-bit transponder address · allocated to Singapore

Currently assigned to 9V-SWQ · BOEING 777-300ER

Hex
76CEF1
Octal
35547361
Decimal
7,786,225
Country
SG
Tail
9V-SWQ
Type
B77W
No current signal · last broadcast 2h ago
Flights observed
105
Distinct callsigns
19
Country
SG
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 76CEF1.

Country allocation

The ICAO 24-bit address 76CEF1 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 19 distinct

Callsign Airline Flights Last seen
SIA25 Singapore Airlines 19 2026-05-29
SIA26 Singapore Airlines 16 2026-05-28
SIA11 Singapore Airlines 13 2026-05-23
SIA12 Singapore Airlines 12 2026-05-22
SIA346 Singapore Airlines 6 2026-05-20
SIA345 Singapore Airlines 6 2026-05-21
SIA211 Singapore Airlines 5 2026-05-30
SIA238 Singapore Airlines 4 2026-05-03
SIA964 Singapore Airlines 3 2026-05-03
SIA892 Singapore Airlines 3 2026-05-27
SIA321 Singapore Airlines 3 2026-05-19
SIA318 Singapore Airlines 3 2026-05-19
SIA965 Singapore Airlines 2 2026-05-03
SIA893 Singapore Airlines 2 2026-05-27
SIA831 Singapore Airlines 2 2026-04-26
SIA227 Singapore Airlines 2 2026-05-02
SIA212 Singapore Airlines 2 2026-05-16
SIA953 Singapore Airlines 1 2026-05-10
SIA950 Singapore Airlines 1 2026-05-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 SIA211 SIN → SYD May 30, 02:00 UTCMay 30, 03:15 UTC1h 15m
2026-05-29 SIA25 FRA → SIN May 29, 10:45 UTCMay 29, 22:25 UTC11h 41m
2026-05-29 SIA25 FRA → SIN May 29, 01:55 UTCMay 29, 08:50 UTC6h 55m
2026-05-28 SIA26 FRA → JFK May 28, 07:05 UTCMay 28, 14:35 UTC7h 30m
2026-05-27 SIA26 FRA → JFK May 27, 16:25 UTCMay 28, 05:20 UTC12h 55m
2026-05-27 SIA893 HKG → SIN May 27, 08:05 UTCMay 27, 10:55 UTC2h 50m
2026-05-27 SIA892 SIN → HKG May 27, 05:04 UTCMay 27, 05:29 UTC25m
2026-05-27 SIA892 SIN → HKG May 27, 02:19 UTCMay 27, 02:34 UTC15m
2026-05-26 SIA25 FRA → SIN May 26, 10:25 UTCMay 26, 21:59 UTC11h 35m
2026-05-26 SIA25 FRA → SIN May 26, 01:30 UTCMay 26, 08:10 UTC6h 40m
2026-05-25 SIA26 FRA → JFK May 25, 07:10 UTCMay 25, 15:00 UTC7h 50m
2026-05-24 SIA26 FRA → JFK May 24, 17:00 UTCMay 25, 05:25 UTC12h 25m
2026-05-23 SIA11 LAX → NRT May 23, 10:25 UTCMay 23, 16:50 UTC6h 25m
2026-05-22 SIA11 LAX → NRT May 22, 21:40 UTCMay 23, 08:35 UTC10h 54m
2026-05-22 SIA12 NRT → LAX May 22, 10:30 UTCMay 22, 19:30 UTC9h 0m
2026-05-22 SIA12 NRT → LAX May 22, 04:40 UTCMay 22, 08:00 UTC3h 20m
2026-05-21 SIA345 ZRH → SIN May 21, 10:10 UTCMay 21, 22:00 UTC11h 50m
2026-05-20 SIA346 SIN → ZRH May 20, 18:15 UTCMay 21, 06:00 UTC11h 45m
2026-05-19 SIA321 LHR → SIN May 19, 21:25 UTCMay 20, 10:15 UTC12h 51m
2026-05-19 SIA318 SIN → LHR May 19, 05:05 UTCMay 19, 18:25 UTC13h 20m
2026-05-18 SIA345 ZRH → SIN May 18, 10:10 UTCMay 18, 22:05 UTC11h 54m
2026-05-17 SIA346 SIN → ZRH May 17, 17:50 UTCMay 18, 06:20 UTC12h 30m
2026-05-16 SIA212 SYD → SIN May 16, 21:35 UTCMay 16, 22:05 UTC30m
2026-05-16 SIA211 SIN → SYD May 16, 02:10 UTCMay 16, 09:10 UTC7h 1m
2026-05-15 SIA25 FRA → SIN May 15, 10:40 UTCMay 15, 22:40 UTC11h 59m
2026-05-15 SIA25 FRA → SIN May 15, 01:40 UTCMay 15, 08:25 UTC6h 45m
2026-05-14 SIA26 FRA → JFK May 14, 06:50 UTCMay 14, 14:45 UTC7h 55m
2026-05-14 SIA26 FRA → JFK May 14, 04:20 UTCMay 14, 04:45 UTC25m
2026-05-13 SIA26 FRA → JFK May 13, 16:25 UTCMay 14, 01:50 UTC9h 25m
2026-05-12 SIA893 HKG → SIN May 12, 07:50 UTCMay 12, 10:50 UTC3h 0m
2026-05-12 SIA892 SIN → HKG May 12, 05:15 UTCMay 12, 05:40 UTC25m
2026-05-10 SIA321 LHR → SIN May 10, 21:14 UTCMay 11, 09:20 UTC12h 5m
2026-05-10 SIA318 SIN → LHR May 10, 05:20 UTCMay 10, 18:45 UTC13h 25m
2026-05-10 SIA953 CGK → SIN May 10, 01:20 UTCMay 10, 02:14 UTC55m
2026-05-09 SIA950 SIN → CGK May 9, 22:49 UTCMay 9, 23:44 UTC55m
2026-05-09 SIA11 LAX → NRT May 9, 10:35 UTCMay 9, 17:05 UTC6h 30m
2026-05-08 SIA11 LAX → NRT May 8, 21:25 UTCMay 9, 09:00 UTC11h 35m
2026-05-08 SIA12 NRT → LAX May 8, 09:59 UTCMay 8, 19:10 UTC9h 10m
2026-05-08 SIA12 NRT → LAX May 8, 04:34 UTCMay 8, 07:50 UTC3h 15m
2026-05-07 SIA25 FRA → SIN May 7, 10:40 UTCMay 7, 21:55 UTC11h 15m
2026-05-07 SIA25 FRA → SIN May 7, 01:50 UTCMay 7, 08:45 UTC6h 55m
2026-05-06 SIA26 FRA → JFK May 6, 06:45 UTCMay 6, 14:30 UTC7h 45m
2026-05-05 SIA26 FRA → JFK May 5, 16:30 UTCMay 6, 04:55 UTC12h 25m
2026-05-04 SIA345 ZRH → SIN May 4, 10:05 UTCMay 4, 21:30 UTC11h 26m
2026-05-03 SIA346 SIN → ZRH May 3, 18:05 UTCMay 4, 06:05 UTC12h 0m
2026-05-03 SIA965 CGK → SIN May 3, 12:35 UTCMay 3, 13:50 UTC1h 15m
2026-05-03 SIA964 SIN → CGK May 3, 10:40 UTCMay 3, 10:55 UTC15m
2026-05-03 SIA964 SIN → CGK May 3, 09:55 UTCMay 3, 10:05 UTC10m
2026-05-03 SIA238 MEL → SIN May 3, 07:00 UTCMay 3, 07:10 UTC10m
2026-05-02 SIA238 MEL → SIN May 2, 23:30 UTCMay 3, 00:50 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-SWQ page for operator, model, and routing details .

Mode-S 76CEF1 frequently asked

What is Mode-S code 76CEF1?
76CEF1 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-SWQ.
Where is Mode-S 76CEF1 registered?
Mode-S code 76CEF1 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76CEF1 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76CEF1, octal 35547361, decimal 7,786,225.
What flights does 76CEF1 operate?
Mode-S 76CEF1 has broadcast 19 distinct callsigns, including SIA25, SIA26, SIA11, SIA12, SIA346.