sensors Mode-S transponder
8881B1
ICAO 24-bit transponder address · allocated to Vietnam
Currently assigned to VN-A535 · AIRBUS A-321
- Hex
- 8881B1
- Octal
- 42100661
- Decimal
- 8,946,097
- Country
- VN
- Tail
- VN-A535
- Type
- A321
- Flights observed
- 60
- Distinct callsigns
- 20
- Country
- VN
- Last broadcast
- 59m ago
Last known position
Country allocation
The ICAO 24-bit address 8881B1 falls within the block assigned to Vietnam (VN) by ICAO Annex 10, Volume III. Every aircraft registered in Vietnam 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 |
|---|---|---|---|
| VJC901 | VietJet Air | 7 | 2026-05-24 |
| VJC929 | VietJet Air | 4 | 2026-05-02 |
| VJC902 | VietJet Air | 4 | 2026-05-24 |
| VJC931 | VietJet Air | 3 | 2026-04-17 |
| VJC928 | VietJet Air | 3 | 2026-05-02 |
| VJC1925 | VietJet Air | 3 | 2026-04-18 |
| VJC959 | VietJet Air | 2 | 2026-05-21 |
| VJC930 | VietJet Air | 2 | 2026-04-17 |
| VJC860 | VietJet Air | 2 | 2026-06-01 |
| VJC466 | VietJet Air | 2 | 2026-04-25 |
| VJC1926 | - | 2 | 2026-04-14 |
| VJC1802 | VietJet Air | 2 | 2026-05-27 |
| VJC1801 | VietJet Air | 2 | 2026-05-27 |
| VJC970 | VietJet Air | 1 | 2026-06-02 |
| VJC961 | VietJet Air | 1 | 2026-05-10 |
| VJC949 | VietJet Air | 1 | 2026-04-23 |
| VJC948 | VietJet Air | 1 | 2026-04-23 |
| VJC947 | VietJet Air | 1 | 2026-04-22 |
| VJC946 | VietJet Air | 1 | 2026-04-22 |
| VJC943 | VietJet Air | 1 | 2026-05-18 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | VJC960 | HAN → ICN | Jun 2, 19:00 UTC | Jun 2, 19:20 UTC | 20m |
| 2026-06-02 | VJC970 | SIN → DAD | Jun 2, 03:25 UTC | Jun 2, 13:35 UTC | 10h 10m |
| 2026-06-01 | VJC861 | ICN → SGN | Jun 1, 13:10 UTC | Jun 2, 01:55 UTC | 12h 45m |
| 2026-06-01 | VJC860 | SGN → ICN | Jun 1, 08:00 UTC | Jun 1, 10:50 UTC | 2h 50m |
| 2026-05-31 | VJC860 | SGN → ICN | May 31, 10:30 UTC | Jun 1, 10:15 UTC | 23h 45m |
| 2026-05-31 | VJC140 | SGN → HAN | May 31, 08:45 UTC | May 31, 09:10 UTC | 25m |
| 2026-05-30 | VJC1457 | HAN → PQC | May 30, 10:45 UTC | May 30, 15:10 UTC | 4h 25m |
| 2026-05-29 | VJC128 | SGN → HAN | May 29, 19:45 UTC | May 30, 05:55 UTC | 10h 10m |
| 2026-05-29 | VJC858 | SGN → MNL | May 29, 17:30 UTC | May 29, 18:10 UTC | 40m |
| 2026-05-27 | VJC1802 | BLR → SGN | May 27, 19:35 UTC | May 27, 22:15 UTC | 2h 40m |
| 2026-05-27 | VJC1802 | BLR → SGN | May 27, 18:30 UTC | May 27, 18:45 UTC | 15m |
| 2026-05-27 | VJC1801 | SGN → BLR | May 27, 16:30 UTC | May 27, 17:05 UTC | 35m |
| 2026-05-27 | VJC1801 | SGN → BLR | May 27, 13:10 UTC | May 27, 15:55 UTC | 2h 45m |
| 2026-05-24 | VJC902 | BKK → HAN | May 24, 07:25 UTC | May 24, 08:20 UTC | 55m |
| 2026-05-24 | VJC901 | HAN → BKK | May 24, 05:00 UTC | May 24, 06:00 UTC | 1h 0m |
| 2026-05-21 | VJC959 | FUK → HAN | May 21, 00:25 UTC | May 21, 00:35 UTC | 10m |
| 2026-05-18 | VJC943 | TPE → HAN | May 18, 11:25 UTC | May 18, 12:40 UTC | 1h 15m |
| 2026-05-18 | VJC942 | HAN → TPE | May 18, 08:30 UTC | May 18, 09:50 UTC | 1h 20m |
| 2026-05-10 | VJC961 | ICN → HAN | May 10, 02:30 UTC | May 10, 03:10 UTC | 40m |
| 2026-05-05 | VJC835 | ICN → CXR | May 5, 21:50 UTC | May 6, 00:50 UTC | 3h 0m |
| 2026-05-05 | VJC834 | CXR → ICN | May 5, 17:45 UTC | May 5, 20:30 UTC | 2h 45m |
| 2026-05-03 | VJC902 | BKK → HAN | May 3, 08:05 UTC | May 3, 23:50 UTC | 15h 45m |
| 2026-05-03 | VJC901 | HAN → BKK | May 3, 06:00 UTC | May 3, 06:30 UTC | 30m |
| 2026-05-02 | VJC901 | HAN → BKK | May 2, 08:20 UTC | May 3, 06:30 UTC | 22h 9m |
| 2026-05-02 | VJC928 | CGK → HAN | May 2, 08:10 UTC | May 3, 06:15 UTC | 22h 4m |
| 2026-05-02 | VJC928 | CGK → HAN | May 2, 07:10 UTC | May 2, 07:25 UTC | 15m |
| 2026-05-02 | VJC929 | HAN → CGK | May 2, 05:45 UTC | May 2, 05:55 UTC | 10m |
| 2026-05-02 | VJC929 | HAN → CGK | May 2, 04:15 UTC | May 2, 04:40 UTC | 25m |
| 2026-04-30 | VJC902 | BKK → HAN | Apr 30, 07:45 UTC | Apr 30, 08:10 UTC | 25m |
| 2026-04-30 | VJC901 | HAN → BKK | Apr 30, 05:40 UTC | Apr 30, 06:25 UTC | 45m |
| 2026-04-26 | VJC884 | BOM → SGN | Apr 26, 14:10 UTC | Apr 27, 00:10 UTC | 10h 0m |
| 2026-04-26 | VJC883 | SGN → BOM | Apr 26, 13:25 UTC | Apr 26, 13:40 UTC | 15m |
| 2026-04-26 | VJC853 | RMQ → SGN | Apr 26, 07:35 UTC | Apr 26, 08:30 UTC | 55m |
| 2026-04-26 | VJC852 | SGN → RMQ | Apr 26, 05:25 UTC | Apr 26, 06:30 UTC | 1h 5m |
| 2026-04-25 | VJC466 | VCA → HAN | Apr 25, 13:40 UTC | Apr 25, 13:50 UTC | 10m |
| 2026-04-25 | VJC902 | BKK → HAN | Apr 25, 07:25 UTC | Apr 25, 12:30 UTC | 5h 5m |
| 2026-04-25 | VJC901 | HAN → BKK | Apr 25, 05:30 UTC | Apr 25, 05:55 UTC | 25m |
| 2026-04-24 | VJC901 | HAN → BKK | Apr 24, 08:30 UTC | Apr 25, 05:55 UTC | 21h 25m |
| 2026-04-24 | VJC901 | HAN → BKK | Apr 24, 07:15 UTC | Apr 25, 05:55 UTC | 22h 40m |
| 2026-04-23 | VJC949 | RMQ → HAN | Apr 23, 10:20 UTC | Apr 24, 06:00 UTC | 19h 40m |
| 2026-04-23 | VJC948 | HAN → RMQ | Apr 23, 08:01 UTC | Apr 23, 09:01 UTC | 1h 0m |
| 2026-04-23 | VJC959 | FUK → HAN | Apr 23, 01:10 UTC | Apr 23, 01:20 UTC | 10m |
| 2026-04-22 | VJC947 | KHH → HAN | Apr 22, 10:45 UTC | Apr 22, 11:45 UTC | 1h 0m |
| 2026-04-22 | VJC946 | HAN → KHH | Apr 22, 08:40 UTC | Apr 22, 09:40 UTC | 1h 0m |
| 2026-04-19 | VJC466 | VCA → HAN | Apr 19, 14:25 UTC | Apr 19, 14:35 UTC | 10m |
| 2026-04-19 | VJC916 | SIN → HAN | Apr 19, 07:10 UTC | Apr 19, 13:10 UTC | 6h 0m |
| 2026-04-18 | VJC1925 | HAN → AMD | Apr 18, 14:55 UTC | Apr 19, 05:35 UTC | 14h 40m |
| 2026-04-18 | VJC1925 | HAN → AMD | Apr 18, 08:20 UTC | Apr 19, 05:35 UTC | 21h 15m |
| 2026-04-18 | VJC928 | CGK → HAN | Apr 18, 07:15 UTC | Apr 18, 07:35 UTC | 20m |
| 2026-04-18 | VJC929 | HAN → CGK | Apr 18, 05:40 UTC | Apr 18, 05:50 UTC | 10m |
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 VN-A535 page for operator, model, and routing details .