Apparatus

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sensors Mode-S transponder

888123

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A890 · AIRBUS A-350-900

Hex
888123
Octal
42100443
Decimal
8,945,955
Country
VN
Tail
VN-A890
Type
A359
No current signal · last broadcast 3h ago
Flights observed
111
Distinct callsigns
18
Country
VN
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 888123.

Country allocation

The ICAO 24-bit address 888123 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 18 distinct

Callsign Airline Flights Last seen
HVN10 Vietnam Airlines 25 2026-05-29
HVN19 Vietnam Airlines 20 2026-05-26
HVN11 Vietnam Airlines 17 2026-05-28
HVN73 Vietnam Airlines 10 2026-05-21
HVN72 Vietnam Airlines 8 2026-05-22
HVN18 Vietnam Airlines 8 2026-05-27
HVN32 Vietnam Airlines 6 2026-05-05
HVN33 Vietnam Airlines 3 2026-05-04
HVN414 Vietnam Airlines 2 2026-04-20
HVN348 Vietnam Airlines 2 2026-05-23
HVN321 Vietnam Airlines 2 2026-05-06
HVN320 Vietnam Airlines 2 2026-05-06
HVN525 Vietnam Airlines 1 2026-04-16
HVN524 Vietnam Airlines 1 2026-04-16
HVN415 - 1 2026-04-14
HVN252 Vietnam Airlines 1 2026-04-25
HVN245 Vietnam Airlines 1 2026-05-28
HVN231 Vietnam Airlines 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 HVN10 CDG → SGN May 29, 10:30 UTCMay 30, 02:50 UTC16h 20m
2026-05-28 HVN11 SGN → CDG May 28, 11:15 UTCMay 29, 04:45 UTC17h 30m
2026-05-28 HVN245 HAN → SGN May 28, 01:15 UTCMay 28, 06:50 UTC5h 35m
2026-05-27 HVN18 CDG → HAN May 27, 12:25 UTCMay 27, 22:45 UTC10h 20m
2026-05-26 HVN19 HAN → CDG May 26, 17:35 UTCMay 27, 05:19 UTC11h 45m
2026-05-26 HVN19 HAN → CDG May 26, 08:50 UTCMay 27, 05:19 UTC20h 30m
2026-05-26 HVN19 HAN → CDG May 26, 07:59 UTCMay 27, 00:44 UTC16h 45m
2026-05-25 HVN18 CDG → HAN May 25, 12:15 UTCMay 26, 05:49 UTC17h 35m
2026-05-24 HVN19 HAN → CDG May 24, 17:30 UTCMay 25, 04:40 UTC11h 10m
2026-05-24 HVN19 HAN → CDG May 24, 00:50 UTCMay 24, 21:00 UTC20h 10m
2026-05-24 HVN19 HAN → CDG May 24, 00:40 UTCMay 24, 21:00 UTC20h 20m
2026-05-23 HVN348 HAN → NGO May 23, 20:40 UTCMay 23, 21:25 UTC45m
2026-05-22 HVN72 MXP → HAN May 22, 10:55 UTCMay 22, 20:25 UTC9h 30m
2026-05-21 HVN73 HAN → MXP May 21, 19:20 UTCMay 22, 05:55 UTC10h 35m
2026-05-19 HVN10 CDG → SGN May 19, 10:00 UTCMay 19, 20:55 UTC10h 55m
2026-05-18 HVN11 SGN → CDG May 18, 17:00 UTCMay 19, 04:40 UTC11h 39m
2026-05-17 HVN11 SGN → CDG May 17, 20:50 UTCMay 18, 20:45 UTC23h 54m
2026-05-17 HVN11 SGN → CDG May 17, 20:40 UTCMay 18, 18:45 UTC22h 4m
2026-05-17 HVN10 CDG → SGN May 17, 10:20 UTCMay 17, 21:20 UTC11h 0m
2026-05-16 HVN11 SGN → CDG May 16, 09:06 UTCMay 17, 04:35 UTC19h 30m
2026-05-16 HVN11 SGN → CDG May 16, 03:10 UTCMay 17, 02:45 UTC23h 35m
2026-05-16 HVN11 SGN → CDG May 16, 02:15 UTCMay 17, 00:45 UTC22h 30m
2026-05-15 HVN11 SGN → CDG May 15, 20:50 UTCMay 16, 20:45 UTC23h 55m
2026-05-15 HVN10 CDG → SGN May 15, 18:50 UTCMay 16, 18:40 UTC23h 51m
2026-05-15 HVN10 CDG → SGN May 15, 16:50 UTCMay 16, 16:45 UTC23h 56m
2026-05-15 HVN10 CDG → SGN May 15, 16:40 UTCMay 16, 09:21 UTC16h 41m
2026-05-15 HVN10 CDG → SGN May 15, 10:50 UTCMay 16, 09:21 UTC22h 30m
2026-05-15 HVN10 CDG → SGN May 15, 10:00 UTCMay 16, 03:10 UTC17h 9m
2026-05-14 HVN11 SGN → CDG May 14, 16:35 UTCMay 15, 04:30 UTC11h 55m
2026-05-10 HVN18 CDG → HAN May 10, 12:34 UTCMay 10, 22:20 UTC9h 45m
2026-05-09 HVN19 HAN → CDG May 9, 17:49 UTCMay 10, 05:14 UTC11h 25m
2026-05-08 HVN19 HAN → CDG May 8, 20:50 UTCMay 9, 20:44 UTC23h 55m
2026-05-08 HVN72 MXP → HAN May 8, 18:50 UTCMay 9, 18:45 UTC23h 55m
2026-05-08 HVN72 MXP → HAN May 8, 11:44 UTCMay 8, 20:55 UTC9h 10m
2026-05-07 HVN73 HAN → MXP May 7, 19:35 UTCMay 8, 06:39 UTC11h 5m
2026-05-07 HVN73 HAN → MXP May 7, 03:20 UTCMay 8, 02:44 UTC23h 25m
2026-05-07 HVN73 HAN → MXP May 7, 01:20 UTCMay 7, 23:24 UTC22h 5m
2026-05-06 HVN321 KIX → SGN May 6, 20:50 UTCMay 7, 20:45 UTC23h 55m
2026-05-06 HVN321 KIX → SGN May 6, 09:00 UTCMay 7, 04:10 UTC19h 9m
2026-05-06 HVN320 SGN → KIX May 6, 03:10 UTCMay 7, 02:40 UTC23h 29m
2026-05-06 HVN320 SGN → KIX May 6, 02:25 UTCMay 6, 21:40 UTC19h 14m
2026-05-05 HVN32 MUC → SGN May 5, 16:30 UTCMay 6, 09:15 UTC16h 45m
2026-05-05 HVN32 MUC → SGN May 5, 13:45 UTCMay 6, 09:15 UTC19h 30m
2026-05-05 HVN32 MUC → SGN May 5, 10:50 UTCMay 6, 09:15 UTC22h 25m
2026-05-05 HVN32 MUC → SGN May 5, 10:40 UTCMay 6, 03:10 UTC16h 30m
2026-05-04 HVN33 SGN → MUC May 4, 17:40 UTCMay 5, 04:55 UTC11h 16m
2026-05-03 HVN33 SGN → MUC May 3, 20:49 UTCMay 4, 20:40 UTC23h 51m
2026-05-03 HVN10 CDG → SGN May 3, 18:50 UTCMay 4, 18:45 UTC23h 56m
2026-05-03 HVN10 CDG → SGN May 3, 10:00 UTCMay 3, 21:05 UTC11h 5m
2026-05-02 HVN11 SGN → CDG May 2, 09:05 UTCMay 3, 04:40 UTC19h 34m

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-A890 page for operator, model, and routing details .

Mode-S 888123 frequently asked

What is Mode-S code 888123?
888123 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A890.
Where is Mode-S 888123 registered?
Mode-S code 888123 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888123 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 888123, octal 42100443, decimal 8,945,955.
What flights does 888123 operate?
Mode-S 888123 has broadcast 18 distinct callsigns, including HVN10, HVN19, HVN11, HVN73, HVN72.