Apparatus

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sensors Mode-S transponder

8881B5

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A513 · AIRBUS A-320neo

Hex
8881B5
Octal
42100665
Decimal
8,946,101
Country
VN
Tail
VN-A513
Type
A20N
No current signal · last broadcast 1d ago
Flights observed
57
Distinct callsigns
20
Country
VN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 8881B5.

Country allocation

The ICAO 24-bit address 8881B5 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
HVN1824 Vietnam Airlines 11 2026-04-26
HVN1825 Vietnam Airlines 10 2026-04-26
HVN1340 Vietnam Airlines 7 2026-04-24
HVN1266 Vietnam Airlines 5 2026-04-26
HVN177 Vietnam Airlines 3 2026-05-31
HVN178 Vietnam Airlines 2 2026-05-30
HVN1641 Vietnam Airlines 2 2026-05-31
HVN1549 Vietnam Airlines 2 2026-05-31
HVN1548 Vietnam Airlines 2 2026-05-31
HVN7651 Vietnam Airlines 1 2026-05-28
HVN7650 Vietnam Airlines 1 2026-05-28
HVN7626 Vietnam Airlines 1 2026-06-01
HVN7561 Vietnam Airlines 1 2026-05-31
HVN7197 - 1 2026-05-27
HVN7173 Vietnam Airlines 1 2026-06-01
HVN7092 - 1 2026-05-28
HVN7091 Vietnam Airlines 1 2026-05-28
HVN188 Vietnam Airlines 1 2026-05-28
HVN1623 Vietnam Airlines 1 2026-05-30
HVN1621 Vietnam Airlines 1 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-01 HVN7173 HPH → SGN Jun 1, 12:40 UTCJun 1, 13:05 UTC25m
2026-06-01 HVN7626 UIH → HAN Jun 1, 05:25 UTCJun 1, 08:55 UTC3h 30m
2026-05-31 HVN7561 HAN → CXR May 31, 23:50 UTCJun 1, 03:45 UTC3h 55m
2026-05-31 HVN1548 HUI → HAN May 31, 15:45 UTCMay 31, 16:00 UTC15m
2026-05-31 HVN1549 HAN → HUI May 31, 13:40 UTCMay 31, 14:10 UTC30m
2026-05-31 HVN177 HAN → DAD May 31, 09:35 UTCMay 31, 12:20 UTC2h 45m
2026-05-31 HVN1641 HAN → VCL May 31, 00:35 UTCMay 31, 00:55 UTC20m
2026-05-30 HVN178 DAD → HAN May 30, 11:50 UTCMay 30, 12:05 UTC15m
2026-05-30 HVN177 HAN → DAD May 30, 09:20 UTCMay 30, 09:45 UTC25m
2026-05-30 HVN1623 HAN → UIH May 30, 04:30 UTCMay 30, 07:50 UTC3h 20m
2026-05-29 HVN1621 HAN → UIH May 29, 23:15 UTCMay 30, 02:25 UTC3h 10m
2026-05-29 HVN1548 HUI → HAN May 29, 15:50 UTCMay 29, 16:05 UTC15m
2026-05-29 HVN1549 - May 29, 13:50 UTCMay 29, 14:20 UTC30m
2026-05-29 HVN177 HAN → DAD May 29, 09:35 UTCMay 29, 12:40 UTC3h 5m
2026-05-29 HVN1641 HAN → VCL May 29, 00:35 UTCMay 29, 00:55 UTC20m
2026-05-28 HVN188 DAD → HAN May 28, 10:50 UTCMay 28, 13:55 UTC3h 5m
2026-05-28 HVN7092 - May 28, 08:50 UTCMay 28, 09:05 UTC15m
2026-05-28 HVN7091 THD → SGN May 28, 06:30 UTCMay 28, 07:05 UTC35m
2026-05-28 HVN7650 TBB → HAN May 28, 04:55 UTCMay 28, 05:20 UTC25m
2026-05-28 HVN7651 HAN → TBB May 28, 01:40 UTCMay 28, 02:20 UTC40m
2026-05-27 HVN7197 - May 27, 14:45 UTCMay 27, 23:50 UTC9h 5m
2026-05-27 HVN178 DAD → HAN May 27, 12:35 UTCMay 27, 12:55 UTC20m
2026-04-26 HVN1266 SGN → VII Apr 26, 07:20 UTCApr 26, 07:35 UTC15m
2026-04-26 HVN1824 PQC → SGN Apr 26, 06:10 UTCApr 26, 06:20 UTC10m
2026-04-26 HVN1825 SGN → PQC Apr 26, 04:00 UTCApr 26, 04:15 UTC15m
2026-04-25 HVN1266 SGN → VII Apr 25, 07:25 UTCApr 25, 07:35 UTC10m
2026-04-25 HVN1824 PQC → SGN Apr 25, 05:30 UTCApr 25, 05:55 UTC25m
2026-04-25 HVN1825 SGN → PQC Apr 25, 03:40 UTCApr 25, 03:50 UTC10m
2026-04-24 HVN1266 SGN → VII Apr 24, 07:55 UTCApr 24, 08:05 UTC10m
2026-04-24 HVN1824 PQC → SGN Apr 24, 06:30 UTCApr 24, 06:45 UTC15m
2026-04-24 HVN1825 SGN → PQC Apr 24, 03:45 UTCApr 24, 04:00 UTC15m
2026-04-24 HVN1340 SGN → CXR Apr 24, 00:20 UTCApr 24, 00:30 UTC10m
2026-04-23 HVN1824 PQC → SGN Apr 23, 05:30 UTCApr 23, 05:55 UTC25m
2026-04-23 HVN1825 SGN → PQC Apr 23, 03:45 UTCApr 23, 03:55 UTC10m
2026-04-23 HVN1340 SGN → CXR Apr 23, 00:15 UTCApr 23, 00:30 UTC15m
2026-04-22 HVN1267 VII → SGN Apr 22, 12:35 UTCApr 22, 12:50 UTC15m
2026-04-22 HVN1266 SGN → VII Apr 22, 08:45 UTCApr 22, 08:55 UTC10m
2026-04-22 HVN1824 PQC → SGN Apr 22, 05:35 UTCApr 22, 06:05 UTC30m
2026-04-22 HVN1825 SGN → PQC Apr 22, 03:45 UTCApr 22, 04:00 UTC15m
2026-04-22 HVN1340 SGN → CXR Apr 22, 00:20 UTCApr 22, 00:45 UTC25m
2026-04-21 HVN1824 PQC → SGN Apr 21, 05:45 UTCApr 21, 06:00 UTC15m
2026-04-20 HVN1266 SGN → VII Apr 20, 07:30 UTCApr 20, 07:40 UTC10m
2026-04-20 HVN1824 PQC → SGN Apr 20, 05:55 UTCApr 20, 06:20 UTC25m
2026-04-20 HVN1825 SGN → PQC Apr 20, 03:40 UTCApr 20, 03:55 UTC15m
2026-04-20 HVN1340 SGN → CXR Apr 20, 00:25 UTCApr 20, 00:35 UTC10m
2026-04-19 HVN1824 PQC → SGN Apr 19, 05:35 UTCApr 19, 06:00 UTC25m
2026-04-19 HVN1825 SGN → PQC Apr 19, 03:35 UTCApr 19, 03:45 UTC10m
2026-04-19 HVN1340 SGN → CXR Apr 19, 00:05 UTCApr 19, 00:20 UTC15m
2026-04-18 HVN1824 PQC → SGN Apr 18, 05:35 UTCApr 18, 05:50 UTC15m
2026-04-18 HVN1825 SGN → PQC Apr 18, 03:30 UTCApr 18, 03:40 UTC10m

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-A513 page for operator, model, and routing details .

Mode-S 8881B5 frequently asked

What is Mode-S code 8881B5?
8881B5 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A513.
Where is Mode-S 8881B5 registered?
Mode-S code 8881B5 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8881B5 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8881B5, octal 42100665, decimal 8,946,101.
What flights does 8881B5 operate?
Mode-S 8881B5 has broadcast 20 distinct callsigns, including HVN1824, HVN1825, HVN1340, HVN1266, HVN177.