Apparatus

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sensors Mode-S transponder

888165

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A617 · AIRBUS A-321neo

Hex
888165
Octal
42100545
Decimal
8,946,021
Country
VN
Tail
VN-A617
Type
A21N
No current signal · last broadcast 1d ago
Flights observed
203
Distinct callsigns
20
Country
VN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 888165.

Country allocation

The ICAO 24-bit address 888165 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
HVN579 - 6 2026-07-06
HVN440 - 6 2026-07-10
HVN431 - 6 2026-07-13
HVN357 - 6 2026-07-04
HVN661 - 5 2026-07-07
HVN619 Vietnam Airlines 5 2026-06-05
HVN578 - 5 2026-07-05
HVN430 - 5 2026-07-12
HVN630 Vietnam Airlines 4 2026-06-07
HVN618 Vietnam Airlines 4 2026-06-05
HVN617 Vietnam Airlines 4 2026-06-01
HVN593 - 4 2026-06-27
HVN582 - 4 2026-07-11
HVN441 - 4 2026-07-11
HVN435 - 4 2026-07-10
HVN434 - 4 2026-07-09
HVN356 - 4 2026-07-03
HVN349 Vietnam Airlines 4 2026-05-30
HVN348 Vietnam Airlines 4 2026-05-29
HVN681 - 3 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 HVN431 - Jul 13, 02:30 UTCJul 13, 05:10 UTC2h 40m
2026-07-12 HVN430 - Jul 12, 05:20 UTCJul 12, 21:10 UTC15h 50m
2026-07-11 HVN582 - Jul 11, 09:55 UTCJul 12, 03:55 UTC18h 0m
2026-07-11 HVN441 - Jul 11, 07:20 UTCJul 12, 03:55 UTC20h 35m
2026-07-10 HVN440 - Jul 10, 01:35 UTCJul 10, 19:20 UTC17h 45m
2026-07-10 HVN435 PUS → ICN Jul 10, 00:10 UTCJul 10, 19:20 UTC19h 10m
2026-07-09 HVN434 - Jul 9, 22:20 UTCJul 9, 22:40 UTC20m
2026-07-09 HVN434 - Jul 9, 20:25 UTCJul 9, 21:20 UTC55m
2026-07-09 HVN7073 HPH → SGN Jul 9, 15:35 UTCJul 9, 15:45 UTC10m
2026-07-09 HVN169 - Jul 9, 05:20 UTCJul 9, 05:30 UTC10m
2026-07-09 HVN163 - Jul 9, 01:10 UTCJul 9, 01:20 UTC10m
2026-07-08 HVN174 - Jul 8, 08:20 UTCJul 8, 11:20 UTC3h 0m
2026-07-08 HVN610 - Jul 8, 05:25 UTCJul 8, 05:55 UTC30m
2026-07-08 HVN611 - Jul 8, 02:00 UTCJul 8, 03:35 UTC1h 35m
2026-07-07 HVN7591 - Jul 7, 22:20 UTCJul 8, 00:30 UTC2h 10m
2026-07-07 HVN1563 - Jul 7, 09:55 UTCJul 7, 14:10 UTC4h 15m
2026-07-07 HVN660 - Jul 7, 08:10 UTCJul 7, 08:30 UTC20m
2026-07-07 HVN660 - Jul 7, 05:35 UTCJul 7, 06:00 UTC25m
2026-07-07 HVN661 - Jul 7, 03:15 UTCJul 7, 03:45 UTC30m
2026-07-07 HVN661 - Jul 7, 00:50 UTCJul 7, 01:05 UTC15m
2026-07-06 HVN7173 HPH → SGN Jul 6, 12:40 UTCJul 6, 15:30 UTC2h 50m
2026-07-06 HVN662 - Jul 6, 08:10 UTCJul 6, 10:50 UTC2h 40m
2026-07-06 HVN663 - Jul 6, 04:05 UTCJul 6, 06:45 UTC2h 40m
2026-07-06 HVN579 - Jul 6, 01:50 UTCJul 6, 02:00 UTC10m
2026-07-05 HVN579 - Jul 5, 23:45 UTCJul 6, 00:55 UTC1h 10m
2026-07-05 HVN578 - Jul 5, 11:05 UTCJul 5, 13:40 UTC2h 35m
2026-07-05 HVN1232 - Jul 5, 04:35 UTCJul 5, 09:05 UTC4h 30m
2026-07-05 HVN587 - Jul 5, 02:35 UTCJul 5, 02:45 UTC10m
2026-07-05 HVN587 - Jul 5, 00:40 UTCJul 5, 01:35 UTC55m
2026-07-04 HVN586 - Jul 4, 11:45 UTCJul 4, 13:55 UTC2h 10m
2026-07-04 HVN7034 - Jul 4, 07:00 UTCJul 4, 10:20 UTC3h 20m
2026-07-04 HVN357 - Jul 4, 01:15 UTCJul 4, 05:15 UTC4h 0m
2026-07-03 HVN356 - Jul 3, 22:00 UTCJul 3, 22:10 UTC10m
2026-07-03 HVN356 - Jul 3, 18:35 UTCJul 3, 19:05 UTC30m
2026-07-03 HVN583 - Jul 3, 05:15 UTCJul 3, 15:55 UTC10h 40m
2026-07-02 HVN582 - Jul 2, 10:15 UTCJul 3, 03:50 UTC17h 35m
2026-07-02 HVN582 - Jul 2, 05:20 UTCJul 3, 03:50 UTC22h 30m
2026-07-02 HVN600 - Jul 2, 04:45 UTCJul 3, 03:15 UTC22h 30m
2026-07-02 HVN601 - Jul 2, 02:30 UTCJul 2, 02:40 UTC10m
2026-07-01 HVN205 HAN → SGN Jul 1, 22:15 UTCJul 1, 22:35 UTC20m
2026-07-01 HVN680 KUL → HAN Jul 1, 12:25 UTCJul 1, 15:20 UTC2h 55m
2026-07-01 HVN681 - Jul 1, 08:00 UTCJul 1, 10:45 UTC2h 45m
2026-07-01 HVN7545 - Jul 1, 03:55 UTCJul 1, 06:15 UTC2h 20m
2026-06-30 HVN646 - Jun 30, 22:45 UTCJul 1, 01:10 UTC2h 25m
2026-06-30 HVN647 - Jun 30, 17:30 UTCJun 30, 20:05 UTC2h 35m
2026-06-30 HVN626 - Jun 30, 11:35 UTCJun 30, 15:05 UTC3h 30m
2026-06-30 HVN431 ICN → BKK Jun 30, 02:35 UTCJun 30, 10:10 UTC7h 35m
2026-06-29 HVN431 ICN → ICN Jun 29, 02:35 UTCJun 29, 20:35 UTC18h 0m
2026-06-28 HVN430 - Jun 28, 15:55 UTCJun 28, 22:10 UTC6h 15m
2026-06-28 HVN7072 SGN → HPH Jun 28, 08:09 UTCJun 28, 14:14 UTC6h 5m

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-A617 page for operator, model, and routing details .

Mode-S 888165 frequently asked

What is Mode-S code 888165?
888165 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A617.
Where is Mode-S 888165 registered?
Mode-S code 888165 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888165 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 888165, octal 42100545, decimal 8,946,021.
What flights does 888165 operate?
Mode-S 888165 has broadcast 20 distinct callsigns, including HVN579, HVN440, HVN431, HVN357, HVN661.