Apparatus

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sensors Mode-S transponder

888211

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A281 · AIRBUS A-321neo

Hex
888211
Octal
42101021
Decimal
8,946,193
Country
VN
Tail
VN-A281
Type
A21N
No current signal · last broadcast 2h ago
Flights observed
174
Distinct callsigns
20
Country
VN
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 888211.

Country allocation

The ICAO 24-bit address 888211 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
SPQ452 - 25 2026-07-22
SPQ451 Servicios Aereos Palenque 21 2026-07-23
SPQ502 - 14 2026-07-21
SPQ501 - 11 2026-07-21
SPQ811 - 10 2026-07-21
SPQ510 - 10 2026-07-11
SPQ943 Servicios Aereos Palenque 8 2026-07-06
SPQ879 Servicios Aereos Palenque 7 2026-07-04
SPQ1208 - 6 2026-07-17
SPQ805 Servicios Aereos Palenque 5 2026-06-26
SPQ1230 Servicios Aereos Palenque 5 2026-07-23
SPQ905 - 4 2026-07-15
SPQ802 - 4 2026-06-28
SPQ1221 - 4 2026-07-14
SPQ1229 - 3 2026-06-24
SPQ1209 - 3 2026-07-17
SPQ887 Servicios Aereos Palenque 2 2026-06-11
SPQ880 Servicios Aereos Palenque 2 2026-06-10
SPQ869 - 2 2026-07-16
SPQ1231 Servicios Aereos Palenque 2 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 SPQ1230 PQC → HAN Jul 23, 11:30 UTCJul 23, 11:45 UTC15m
2026-07-23 SPQ451 ICN → PQC Jul 23, 02:40 UTCJul 23, 10:25 UTC7h 45m
2026-07-22 SPQ452 - Jul 22, 18:20 UTCJul 22, 21:10 UTC2h 50m
2026-07-22 SPQ452 - Jul 22, 00:20 UTCJul 22, 21:10 UTC20h 50m
2026-07-21 SPQ501 - Jul 21, 09:30 UTCJul 21, 17:15 UTC7h 45m
2026-07-21 SPQ502 - Jul 21, 07:25 UTCJul 21, 07:45 UTC20m
2026-07-21 SPQ811 - Jul 21, 00:00 UTCJul 21, 00:15 UTC15m
2026-07-20 SPQ451 - Jul 20, 03:20 UTCJul 20, 12:35 UTC9h 15m
2026-07-19 SPQ452 HKG → ICN Jul 19, 09:20 UTCJul 19, 21:25 UTC12h 5m
2026-07-19 SPQ502 - Jul 19, 07:25 UTCJul 19, 07:45 UTC20m
2026-07-19 SPQ811 - Jul 19, 00:10 UTCJul 19, 00:25 UTC15m
2026-07-18 SPQ501 - Jul 18, 09:10 UTCJul 18, 17:40 UTC8h 30m
2026-07-18 SPQ502 - Jul 18, 07:35 UTCJul 18, 07:55 UTC20m
2026-07-18 SPQ811 - Jul 18, 00:00 UTCJul 18, 00:10 UTC10m
2026-07-17 SPQ1225 - Jul 17, 07:20 UTCJul 17, 07:35 UTC15m
2026-07-17 SPQ1208 - Jul 17, 05:39 UTCJul 17, 05:50 UTC10m
2026-07-17 SPQ1209 - Jul 17, 01:29 UTCJul 17, 01:45 UTC15m
2026-07-16 SPQ869 - Jul 16, 15:05 UTCJul 16, 15:19 UTC15m
2026-07-16 SPQ932 DAD → HAN Jul 16, 10:10 UTCJul 16, 13:40 UTC3h 30m
2026-07-16 SPQ1219 - Jul 16, 04:30 UTCJul 16, 08:45 UTC4h 15m
2026-07-16 SPQ908 - Jul 16, 03:05 UTCJul 16, 03:20 UTC15m
2026-07-15 SPQ905 - Jul 15, 23:50 UTCJul 16, 00:00 UTC10m
2026-07-15 SPQ451 - Jul 15, 03:00 UTCJul 15, 05:45 UTC2h 45m
2026-07-14 SPQ452 - Jul 14, 12:15 UTCJul 14, 21:25 UTC9h 10m
2026-07-14 SPQ1221 - Jul 14, 06:15 UTCJul 14, 06:30 UTC15m
2026-07-14 SPQ1207 - Jul 14, 00:35 UTCJul 14, 00:50 UTC15m
2026-07-13 SPQ825 - Jul 13, 07:15 UTCJul 13, 07:25 UTC10m
2026-07-13 SPQ811 - Jul 13, 00:10 UTCJul 13, 00:30 UTC20m
2026-07-12 SPQ511 - Jul 12, 10:05 UTCJul 12, 10:45 UTC40m
2026-07-11 SPQ510 - Jul 11, 23:55 UTCJul 12, 08:45 UTC8h 50m
2026-07-11 SPQ869 - Jul 11, 12:15 UTCJul 11, 12:30 UTC15m
2026-07-11 SPQ1224 - Jul 11, 10:35 UTCJul 11, 10:45 UTC10m
2026-07-11 SPQ1225 - Jul 11, 06:40 UTCJul 11, 06:50 UTC10m
2026-07-11 SPQ1206 - Jul 11, 05:01 UTCJul 11, 05:10 UTC10m
2026-07-11 SPQ1207 - Jul 11, 00:45 UTCJul 11, 00:55 UTC10m
2026-07-10 SPQ501 - Jul 10, 09:20 UTCJul 10, 09:40 UTC20m
2026-07-10 SPQ502 - Jul 10, 07:30 UTCJul 10, 07:35 UTC5m
2026-07-10 SPQ811 - Jul 10, 00:00 UTCJul 10, 00:15 UTC15m
2026-07-09 SPQ451 - Jul 9, 03:20 UTCJul 9, 05:50 UTC2h 30m
2026-07-08 SPQ452 HKG → ICN Jul 8, 09:25 UTCJul 8, 21:15 UTC11h 50m
2026-07-08 SPQ502 - Jul 8, 07:30 UTCJul 8, 07:40 UTC10m
2026-07-08 SPQ811 - Jul 8, 00:05 UTCJul 8, 00:20 UTC15m
2026-07-07 SPQ884 SGN → HAN Jul 7, 17:30 UTCJul 7, 17:40 UTC10m
2026-07-07 SPQ501 - Jul 7, 09:15 UTCJul 7, 09:30 UTC15m
2026-07-07 SPQ502 - Jul 7, 07:15 UTCJul 7, 07:30 UTC15m
2026-07-06 SPQ811 - Jul 6, 23:55 UTCJul 7, 00:15 UTC20m
2026-07-06 SPQ943 HAN → DAD Jul 6, 14:30 UTCJul 6, 17:15 UTC2h 45m
2026-07-06 SPQ451 - Jul 6, 03:15 UTCJul 6, 13:10 UTC9h 55m
2026-07-05 SPQ452 - Jul 5, 18:30 UTCJul 5, 21:15 UTC2h 45m
2026-07-05 SPQ501 - Jul 5, 09:00 UTCJul 5, 09:15 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-A281 page for operator, model, and routing details .

Mode-S 888211 frequently asked

What is Mode-S code 888211?
888211 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A281.
Where is Mode-S 888211 registered?
Mode-S code 888211 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888211 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 888211, octal 42101021, decimal 8,946,193.
What flights does 888211 operate?
Mode-S 888211 has broadcast 20 distinct callsigns, including SPQ452, SPQ451, SPQ502, SPQ501, SPQ811.