Apparatus

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sensors Mode-S transponder

888090

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A331 · AIRBUS A-321

Hex
888090
Octal
42100220
Decimal
8,945,808
Country
VN
Tail
VN-A331
Type
A321
No current signal · last broadcast Jul 26, 14:35 UTC
Flights observed
230
Distinct callsigns
20
Country
VN
Last broadcast
Jul 26, 14:35 UTC

Last known position

Most recent position reported by Mode-S 888090.

Country allocation

The ICAO 24-bit address 888090 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
HVN594 - 6 2026-07-02
HVN587 Vietnam Airlines 6 2026-06-02
HVN586 Vietnam Airlines 6 2026-06-01
HVN655 - 5 2026-07-10
HVN654 - 5 2026-07-10
HVN595 - 5 2026-07-02
HVN157 Vietnam Airlines 5 2026-07-25
HVN1176 Vietnam Airlines 5 2026-07-20
HVN631 - 4 2026-07-03
HVN630 - 4 2026-07-03
HVN601 Vietnam Airlines 4 2026-07-18
HVN600 - 4 2026-07-18
HVN1553 Vietnam Airlines 4 2026-07-26
HVN837 Vietnam Airlines 3 2026-07-26
HVN640 - 3 2026-06-29
HVN581 - 3 2026-06-15
HVN158 Vietnam Airlines 3 2026-07-26
HVN1188 Vietnam Airlines 3 2026-06-29
HVN1177 Vietnam Airlines 3 2026-07-20
HVN836 Vietnam Airlines 2 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 HVN199 HAN → DAD Jul 26, 14:20 UTCJul 26, 14:35 UTC15m
2026-07-26 HVN836 SAI → HAN Jul 26, 12:25 UTCJul 26, 12:35 UTC10m
2026-07-26 HVN837 HAN → SAI Jul 26, 09:00 UTCJul 26, 09:15 UTC15m
2026-07-26 HVN1552 CXR → HAN Jul 26, 06:55 UTCJul 26, 07:05 UTC10m
2026-07-26 HVN1553 HAN → CXR Jul 26, 03:15 UTCJul 26, 03:30 UTC15m
2026-07-26 HVN158 DAD → HAN Jul 26, 01:40 UTCJul 26, 01:55 UTC15m
2026-07-25 HVN157 HAN → DAD Jul 25, 23:10 UTCJul 25, 23:25 UTC15m
2026-07-25 HVN616 - Jul 25, 15:30 UTCJul 25, 15:55 UTC25m
2026-07-25 HVN617 HAN → BKK Jul 25, 13:30 UTCJul 25, 14:05 UTC35m
2026-07-25 HVN617 HAN → BKK Jul 25, 12:30 UTCJul 25, 12:40 UTC10m
2026-07-25 HVN7064 SGN → DAD Jul 25, 10:50 UTCJul 25, 11:05 UTC15m
2026-07-25 HVN7065 HUI → SGN Jul 25, 08:20 UTCJul 25, 08:35 UTC15m
2026-07-25 HVN7573 HAN → CXR Jul 25, 02:55 UTCJul 25, 06:55 UTC4h 0m
2026-07-24 HVN156 DAD → HAN Jul 24, 23:50 UTCJul 25, 00:05 UTC15m
2026-07-24 HVN7181 HAN → DAD Jul 24, 16:10 UTCJul 24, 16:25 UTC15m
2026-07-24 HVN507 CAN → HAN Jul 24, 09:20 UTCJul 24, 10:25 UTC1h 5m
2026-07-23 HVN199 HAN → DAD Jul 23, 14:15 UTCJul 23, 14:30 UTC15m
2026-07-23 HVN836 - Jul 23, 12:50 UTCJul 23, 13:10 UTC20m
2026-07-23 HVN837 HAN → SAI Jul 23, 09:10 UTCJul 23, 09:25 UTC15m
2026-07-23 HVN1552 CXR → HAN Jul 23, 07:20 UTCJul 23, 07:40 UTC20m
2026-07-23 HVN1553 HAN → CXR Jul 23, 03:15 UTCJul 23, 03:30 UTC15m
2026-07-23 HVN1716 VII → HAN Jul 23, 01:40 UTCJul 23, 01:50 UTC10m
2026-07-23 HVN1715 HAN → VII Jul 23, 00:00 UTCJul 23, 00:10 UTC10m
2026-07-22 HVN1200 VCA → HAN Jul 22, 04:25 UTCJul 22, 04:40 UTC15m
2026-07-22 HVN1201 HAN → VCA Jul 22, 00:10 UTCJul 22, 00:30 UTC20m
2026-07-21 HVN7566 - Jul 21, 16:25 UTCJul 21, 16:35 UTC10m
2026-07-21 HVN7567 HAN → CXR Jul 21, 12:50 UTCJul 21, 13:10 UTC20m
2026-07-21 HVN7167 HAN → DAD Jul 21, 07:45 UTCJul 21, 10:40 UTC2h 55m
2026-07-21 HVN585 - Jul 21, 04:00 UTCJul 21, 06:05 UTC2h 5m
2026-07-21 HVN584 HAN → KHH Jul 21, 00:40 UTCJul 21, 02:50 UTC2h 10m
2026-07-20 HVN224 SGN → HAN Jul 20, 16:30 UTCJul 20, 16:45 UTC15m
2026-07-20 HVN1177 HPH → SGN Jul 20, 03:50 UTCJul 20, 04:05 UTC15m
2026-07-20 HVN1176 SGN → HPH Jul 20, 02:30 UTCJul 20, 02:40 UTC10m
2026-07-18 HVN600 - Jul 18, 05:00 UTCJul 18, 05:15 UTC15m
2026-07-18 HVN601 SGN → BKK Jul 18, 03:05 UTCJul 18, 03:30 UTC25m
2026-07-16 HVN227 - Jul 16, 23:40 UTCJul 16, 23:55 UTC15m
2026-07-16 - - Jul 16, 15:00 UTCJul 16, 15:10 UTC10m
2026-07-16 HVN7057 HAN → DAD Jul 16, 12:30 UTCJul 16, 12:40 UTC10m
2026-07-16 HVN174 - Jul 16, 10:35 UTCJul 16, 10:45 UTC10m
2026-07-16 HVN173 - Jul 16, 07:50 UTCJul 16, 08:05 UTC15m
2026-07-16 HVN1236 - Jul 16, 05:05 UTCJul 16, 05:25 UTC20m
2026-07-16 HVN1237 - Jul 16, 01:00 UTCJul 16, 01:15 UTC15m
2026-07-15 HVN1717 - Jul 15, 13:00 UTCJul 15, 13:10 UTC10m
2026-07-15 HVN1558 - Jul 15, 10:50 UTCJul 15, 11:00 UTC10m
2026-07-15 HVN1559 - Jul 15, 07:15 UTCJul 15, 07:25 UTC10m
2026-07-15 HVN1236 - Jul 15, 05:00 UTCJul 15, 05:15 UTC15m
2026-07-15 HVN1237 - Jul 15, 00:55 UTCJul 15, 01:05 UTC10m
2026-07-14 HVN7567 HAN → CXR Jul 14, 13:35 UTCJul 14, 17:25 UTC3h 50m
2026-07-14 HVN7166 DAD → HAN Jul 14, 11:50 UTCJul 14, 12:00 UTC10m
2026-07-14 HVN7161 - Jul 14, 09:05 UTCJul 14, 09:25 UTC20m

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-A331 page for operator, model, and routing details .

Mode-S 888090 frequently asked

What is Mode-S code 888090?
888090 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A331.
Where is Mode-S 888090 registered?
Mode-S code 888090 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888090 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 14:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 888090, octal 42100220, decimal 8,945,808.
What flights does 888090 operate?
Mode-S 888090 has broadcast 20 distinct callsigns, including HVN594, HVN587, HVN586, HVN655, HVN654.