sensors Mode-S transponder
76CDC3
ICAO 24-bit transponder address · allocated to Singapore
Currently assigned to 9V-SNC · BOEING 777-300ER
- Hex
- 76CDC3
- Octal
- 35546703
- Decimal
- 7,785,923
- Country
- SG
- Tail
- 9V-SNC
- Type
- B77W
- Flights observed
- 195
- Distinct callsigns
- 20
- Country
- SG
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address 76CDC3 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 |
|---|---|---|---|
| SIA318 | - | 15 | 2026-07-11 |
| SIA11 | - | 15 | 2026-06-14 |
| SIA12 | - | 14 | 2026-06-13 |
| SIA950 | - | 13 | 2026-06-25 |
| SIA321 | - | 13 | 2026-07-11 |
| SIA305 | Singapore Airlines | 13 | 2026-06-05 |
| SIA26 | - | 13 | 2026-07-13 |
| SIA25 | - | 12 | 2026-07-10 |
| SIA953 | - | 11 | 2026-06-26 |
| SIA306 | Singapore Airlines | 10 | 2026-06-04 |
| SIA964 | Singapore Airlines | 6 | 2026-06-15 |
| SIA892 | Singapore Airlines | 6 | 2026-05-26 |
| SIA238 | - | 6 | 2026-07-13 |
| SIA965 | Singapore Airlines | 4 | 2026-06-15 |
| SIA893 | Singapore Airlines | 4 | 2026-05-26 |
| SIA227 | - | 4 | 2026-07-12 |
| SIA212 | - | 4 | 2026-07-07 |
| SIA831 | - | 3 | 2026-07-04 |
| SIA802 | Singapore Airlines | 3 | 2026-05-02 |
| SIA336 | - | 3 | 2026-07-05 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-13 | SIA26 | - | Jul 13, 16:25 UTC | Jul 14, 01:50 UTC | 9h 25m |
| 2026-07-13 | SIA238 | - | Jul 13, 06:50 UTC | Jul 13, 07:01 UTC | 10m |
| 2026-07-12 | SIA238 | - | Jul 12, 23:35 UTC | Jul 13, 00:50 UTC | 1h 15m |
| 2026-07-12 | SIA227 | - | Jul 12, 14:30 UTC | Jul 12, 21:00 UTC | 6h 30m |
| 2026-07-11 | SIA321 | - | Jul 11, 21:25 UTC | Jul 12, 10:01 UTC | 12h 35m |
| 2026-07-11 | SIA318 | - | Jul 11, 04:50 UTC | Jul 11, 17:50 UTC | 13h 0m |
| 2026-07-10 | SIA25 | - | Jul 10, 10:35 UTC | Jul 10, 22:10 UTC | 11h 35m |
| 2026-07-10 | SIA25 | JFK → FRA | Jul 10, 01:35 UTC | Jul 10, 08:20 UTC | 6h 45m |
| 2026-07-09 | SIA26 | FRA → JFK | Jul 9, 06:55 UTC | Jul 9, 14:40 UTC | 7h 45m |
| 2026-07-08 | SIA26 | - | Jul 8, 16:40 UTC | Jul 9, 04:50 UTC | 12h 10m |
| 2026-07-07 | SIA212 | - | Jul 7, 21:35 UTC | Jul 8, 05:45 UTC | 8h 10m |
| 2026-07-07 | SIA211 | - | Jul 7, 08:10 UTC | Jul 7, 08:55 UTC | 45m |
| 2026-07-06 | SIA335 | - | Jul 6, 09:15 UTC | Jul 6, 21:20 UTC | 12h 5m |
| 2026-07-05 | SIA336 | - | Jul 5, 16:45 UTC | Jul 6, 05:30 UTC | 12h 45m |
| 2026-07-04 | SIA831 | - | Jul 4, 23:55 UTC | Jul 5, 11:45 UTC | 11h 50m |
| 2026-07-04 | SIA323 | - | Jul 4, 09:20 UTC | Jul 4, 21:00 UTC | 11h 40m |
| 2026-07-03 | SIA324 | - | Jul 3, 16:15 UTC | Jul 4, 05:05 UTC | 12h 50m |
| 2026-07-03 | SIA212 | - | Jul 3, 05:30 UTC | Jul 3, 05:45 UTC | 15m |
| 2026-07-02 | SIA212 | - | Jul 2, 21:40 UTC | Jul 2, 22:10 UTC | 30m |
| 2026-07-02 | SIA211 | - | Jul 2, 04:25 UTC | Jul 2, 11:15 UTC | 6h 50m |
| 2026-07-01 | SIA335 | - | Jul 1, 09:35 UTC | Jul 1, 21:50 UTC | 12h 15m |
| 2026-06-30 | SIA336 | - | Jun 30, 16:40 UTC | Jul 1, 05:25 UTC | 12h 45m |
| 2026-06-30 | SIA286 | - | Jun 30, 12:30 UTC | Jun 30, 12:40 UTC | 10m |
| 2026-06-30 | SIA286 | - | Jun 30, 02:25 UTC | Jun 30, 05:35 UTC | 3h 10m |
| 2026-06-29 | SIA285 | SIN → AKL | Jun 29, 21:24 UTC | Jun 30, 00:00 UTC | 2h 35m |
| 2026-06-28 | SIA321 | - | Jun 28, 21:20 UTC | Jun 29, 08:09 UTC | 10h 50m |
| 2026-06-28 | SIA318 | - | Jun 28, 05:09 UTC | Jun 28, 18:29 UTC | 13h 20m |
| 2026-06-27 | SIA335 | - | Jun 27, 09:24 UTC | Jun 27, 21:50 UTC | 12h 25m |
| 2026-06-26 | SIA336 | - | Jun 26, 16:39 UTC | Jun 27, 05:25 UTC | 12h 45m |
| 2026-06-26 | SIA953 | - | Jun 26, 01:29 UTC | Jun 26, 02:34 UTC | 1h 5m |
| 2026-06-25 | SIA950 | - | Jun 25, 23:44 UTC | Jun 25, 23:59 UTC | 15m |
| 2026-06-25 | SIA950 | - | Jun 25, 22:39 UTC | Jun 25, 23:09 UTC | 30m |
| 2026-06-21 | SIA25 | - | Jun 21, 10:49 UTC | Jun 21, 22:34 UTC | 11h 45m |
| 2026-06-21 | SIA25 | JFK → FRA | Jun 21, 01:25 UTC | Jun 21, 07:59 UTC | 6h 35m |
| 2026-06-20 | SIA26 | FRA → JFK | Jun 20, 06:45 UTC | Jun 20, 14:35 UTC | 7h 50m |
| 2026-06-19 | SIA26 | - | Jun 19, 16:29 UTC | Jun 20, 04:39 UTC | 12h 10m |
| 2026-06-18 | SIA286 | - | Jun 18, 03:00 UTC | Jun 18, 09:15 UTC | 6h 15m |
| 2026-06-17 | SIA285 | SIN → AKL | Jun 17, 21:00 UTC | Jun 17, 23:50 UTC | 2h 50m |
| 2026-06-17 | SIA285 | SIN → AKL | Jun 17, 15:05 UTC | Jun 17, 15:15 UTC | 10m |
| 2026-06-16 | SIA321 | - | Jun 16, 21:10 UTC | Jun 17, 09:25 UTC | 12h 15m |
| 2026-06-16 | SIA318 | - | Jun 16, 05:00 UTC | Jun 16, 18:20 UTC | 13h 20m |
| 2026-06-15 | SIA965 | CGK → SIN | Jun 15, 15:10 UTC | Jun 15, 16:19 UTC | 1h 10m |
| 2026-06-15 | SIA964 | SIN → CGK | Jun 15, 12:39 UTC | Jun 15, 13:05 UTC | 25m |
| 2026-06-15 | SIA953 | - | Jun 15, 01:35 UTC | Jun 15, 02:44 UTC | 1h 10m |
| 2026-06-14 | SIA950 | SIN → CGK | Jun 14, 22:40 UTC | Jun 14, 23:59 UTC | 1h 20m |
| 2026-06-14 | SIA11 | - | Jun 14, 10:20 UTC | Jun 14, 15:25 UTC | 5h 5m |
| 2026-06-13 | SIA11 | - | Jun 13, 21:35 UTC | Jun 14, 08:05 UTC | 10h 31m |
| 2026-06-13 | SIA12 | - | Jun 13, 10:10 UTC | Jun 13, 18:55 UTC | 8h 45m |
| 2026-06-13 | SIA12 | - | Jun 13, 04:55 UTC | Jun 13, 08:05 UTC | 3h 10m |
| 2026-06-12 | SIA831 | - | Jun 12, 00:10 UTC | Jun 12, 11:25 UTC | 11h 16m |
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-SNC page for operator, model, and routing details .