Apparatus

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sensors Mode-S transponder

888166

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A618 · AIRBUS A-321neo

Hex
888166
Octal
42100546
Decimal
8,946,022
Country
VN
Tail
VN-A618
Type
A21N
No current signal · last broadcast 5h ago
Flights observed
80
Distinct callsigns
20
Country
VN
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 888166.

Country allocation

The ICAO 24-bit address 888166 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
HVN648 Vietnam Airlines 5 2026-05-19
HVN647 Vietnam Airlines 5 2026-05-10
HVN440 Vietnam Airlines 5 2026-05-05
HVN435 Vietnam Airlines 5 2026-05-04
HVN649 Vietnam Airlines 4 2026-05-15
HVN441 Vietnam Airlines 3 2026-05-06
HVN646 - 2 2026-04-15
HVN587 Vietnam Airlines 2 2026-05-15
HVN502 Vietnam Airlines 2 2026-05-18
HVN1829 Vietnam Airlines 2 2026-04-22
HVN1828 Vietnam Airlines 2 2026-04-22
HVN163 Vietnam Airlines 2 2026-05-30
HVN127 Vietnam Airlines 2 2026-04-23
HVN7556 Vietnam Airlines 1 2026-05-29
HVN7342 Vietnam Airlines 1 2026-04-25
HVN7341 Vietnam Airlines 1 2026-04-26
HVN7163 Vietnam Airlines 1 2026-05-29
HVN680 Vietnam Airlines 1 2026-05-11
HVN662 - 1 2026-04-13
HVN643 Vietnam Airlines 1 2026-05-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 HVN233 HAN → SGN May 30, 05:45 UTCMay 30, 06:10 UTC25m
2026-05-30 HVN164 DAD → HAN May 30, 03:35 UTCMay 30, 03:50 UTC15m
2026-05-30 HVN163 HAN → DAD May 30, 01:00 UTCMay 30, 01:20 UTC20m
2026-05-29 HVN7163 HAN → DAD May 29, 10:55 UTCMay 29, 16:30 UTC5h 35m
2026-05-29 HVN7556 CXR → HAN May 29, 05:30 UTCMay 29, 09:25 UTC3h 55m
2026-05-29 HVN163 HAN → DAD May 29, 01:00 UTCMay 29, 01:20 UTC20m
2026-05-20 HVN583 KHH → HAN May 20, 05:00 UTCMay 20, 05:35 UTC35m
2026-05-19 HVN582 HAN → KHH May 19, 20:25 UTCMay 20, 03:45 UTC7h 20m
2026-05-19 HVN648 SGN → MNL May 19, 18:20 UTCMay 19, 18:55 UTC35m
2026-05-18 HVN503 CAN → SGN May 18, 07:40 UTCMay 18, 07:50 UTC10m
2026-05-18 HVN502 SGN → CAN May 18, 05:20 UTCMay 18, 05:35 UTC15m
2026-05-15 HVN649 MNL → SGN May 15, 20:25 UTCMay 15, 20:55 UTC30m
2026-05-15 HVN587 KHH → HAN May 15, 00:30 UTCMay 15, 19:00 UTC18h 30m
2026-05-14 HVN587 KHH → HAN May 14, 00:25 UTCMay 14, 13:15 UTC12h 50m
2026-05-13 HVN586 HAN → KHH May 13, 00:20 UTCMay 13, 13:20 UTC13h 0m
2026-05-12 HVN578 HAN → TPE May 12, 11:20 UTCMay 12, 12:35 UTC1h 15m
2026-05-11 HVN680 KUL → HAN May 11, 12:25 UTCMay 12, 11:30 UTC23h 6m
2026-05-11 HVN610 BKK → HAN May 11, 05:05 UTCMay 11, 11:05 UTC6h 0m
2026-05-10 HVN611 HAN → BKK May 10, 21:30 UTCMay 11, 03:40 UTC6h 10m
2026-05-10 HVN647 HAN → MNL May 10, 18:09 UTCMay 10, 19:50 UTC1h 40m
2026-05-09 HVN595 HKG → SGN May 9, 10:50 UTCMay 9, 11:05 UTC15m
2026-05-09 HVN594 SGN → HKG May 9, 08:50 UTCMay 9, 09:00 UTC10m
2026-05-06 HVN441 ICN → CXR May 6, 22:00 UTCMay 7, 00:50 UTC2h 50m
2026-05-05 HVN440 CXR → ICN May 5, 23:45 UTCMay 6, 18:55 UTC19h 9m
2026-05-05 HVN441 ICN → CXR May 5, 22:10 UTCMay 6, 18:55 UTC20h 44m
2026-05-05 HVN440 CXR → ICN May 5, 00:45 UTCMay 5, 18:55 UTC18h 10m
2026-05-04 HVN440 CXR → ICN May 4, 23:20 UTCMay 5, 18:55 UTC19h 35m
2026-05-04 HVN440 CXR → ICN May 4, 19:35 UTCMay 5, 18:55 UTC23h 20m
2026-05-04 HVN435 PUS → CXR May 4, 18:55 UTCMay 5, 17:20 UTC22h 25m
2026-05-04 HVN593 HKG → HAN May 4, 06:55 UTCMay 4, 07:10 UTC15m
2026-05-04 HVN592 HAN → HKG May 4, 04:39 UTCMay 4, 05:05 UTC25m
2026-05-03 HVN643 HAN → CEB May 3, 12:55 UTCMay 3, 22:34 UTC9h 40m
2026-05-03 HVN619 HAN → BKK May 3, 02:55 UTCMay 3, 11:10 UTC8h 14m
2026-05-02 HVN626 BKK → DAD May 2, 11:25 UTCMay 2, 23:45 UTC12h 20m
2026-05-02 HVN431 ICN → DAD May 2, 02:35 UTCMay 2, 09:45 UTC7h 10m
2026-05-01 HVN430 DAD → ICN May 1, 17:50 UTCMay 1, 20:40 UTC2h 50m
2026-04-26 HVN435 PUS → CXR Apr 26, 19:00 UTCApr 27, 01:50 UTC6h 50m
2026-04-26 HVN7341 CXR → SGN Apr 26, 04:20 UTCApr 26, 04:35 UTC15m
2026-04-25 HVN441 ICN → CXR Apr 25, 22:10 UTCApr 26, 01:15 UTC3h 5m
2026-04-25 HVN440 CXR → ICN Apr 25, 16:25 UTCApr 25, 18:55 UTC2h 30m
2026-04-25 HVN7342 SGN → CXR Apr 25, 13:00 UTCApr 25, 13:15 UTC15m
2026-04-24 HVN435 PUS → CXR Apr 24, 18:35 UTCApr 25, 02:30 UTC7h 55m
2026-04-24 HVN435 PUS → CXR Apr 24, 01:35 UTCApr 25, 01:30 UTC23h 55m
2026-04-24 HVN435 PUS → CXR Apr 24, 00:45 UTCApr 24, 19:40 UTC18h 55m
2026-04-23 HVN434 CXR → PUS Apr 23, 18:45 UTCApr 23, 19:45 UTC1h 0m
2026-04-23 HVN1350 SGN → CXR Apr 23, 13:20 UTCApr 23, 13:35 UTC15m
2026-04-23 HVN127 DAD → SGN Apr 23, 07:25 UTCApr 23, 07:35 UTC10m
2026-04-23 HVN110 SGN → DAD Apr 23, 00:00 UTCApr 23, 00:10 UTC10m
2026-04-22 HVN1828 PQC → SGN Apr 22, 10:30 UTCApr 22, 10:50 UTC20m
2026-04-22 HVN1829 SGN → PQC Apr 22, 08:35 UTCApr 22, 08:50 UTC15m

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-A618 page for operator, model, and routing details .

Mode-S 888166 frequently asked

What is Mode-S code 888166?
888166 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A618.
Where is Mode-S 888166 registered?
Mode-S code 888166 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888166 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 888166, octal 42100546, decimal 8,946,022.
What flights does 888166 operate?
Mode-S 888166 has broadcast 20 distinct callsigns, including HVN648, HVN647, HVN440, HVN435, HVN649.