Apparatus

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sensors Mode-S transponder

888221

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A908 · AIRBUS A-320neo

Hex
888221
Octal
42101041
Decimal
8,946,209
Country
VN
Tail
VN-A908
Type
A20N
No current signal · last broadcast Jul 26, 18:20 UTC
Flights observed
113
Distinct callsigns
20
Country
VN
Last broadcast
Jul 26, 18:20 UTC

Last known position

Most recent position reported by Mode-S 888221.

Country allocation

The ICAO 24-bit address 888221 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
SPQ876 Servicios Aereos Palenque 13 2026-07-03
SPQ893 Servicios Aereos Palenque 12 2026-07-13
SPQ1232 Servicios Aereos Palenque 5 2026-07-07
SPQ805 Servicios Aereos Palenque 4 2026-07-18
SPQ803 - 4 2026-07-21
SPQ1975 Servicios Aereos Palenque 4 2026-04-21
SPQ1974 Servicios Aereos Palenque 4 2026-04-21
SPQ1965 Servicios Aereos Palenque 4 2026-04-21
SPQ1964 Servicios Aereos Palenque 4 2026-04-21
SPQ1955 Servicios Aereos Palenque 4 2026-04-21
SPQ1954 Servicios Aereos Palenque 4 2026-04-21
SPQ880 - 3 2026-07-21
SPQ864 - 3 2026-07-22
SPQ863 - 3 2026-07-13
SPQ1221 - 3 2026-07-13
SPQ887 Servicios Aereos Palenque 2 2026-06-09
SPQ884 - 2 2026-07-14
SPQ881 Servicios Aereos Palenque 2 2026-07-19
SPQ810 - 2 2026-07-13
SPQ611 - 2 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SPQ946 DAD → HAN Jul 26, 18:05 UTCJul 26, 18:20 UTC15m
2026-07-26 SPQ943 HAN → DAD Jul 26, 15:35 UTCJul 26, 15:50 UTC15m
2026-07-26 SPQ868 - Jul 26, 13:25 UTCJul 26, 13:50 UTC25m
2026-07-25 SPQ611 - Jul 25, 15:50 UTCJul 26, 13:50 UTC22h 1m
2026-07-24 SPQ610 PQC → TFU Jul 24, 22:35 UTCJul 25, 17:25 UTC18h 50m
2026-07-22 SPQ610 PQC → TFU Jul 22, 22:35 UTCJul 23, 16:55 UTC18h 20m
2026-07-22 SPQ948 DAD → HAN Jul 22, 18:10 UTCJul 22, 19:00 UTC50m
2026-07-22 SPQ864 - Jul 22, 12:25 UTCJul 22, 12:50 UTC25m
2026-07-21 SPQ803 - Jul 21, 22:30 UTCJul 21, 22:45 UTC15m
2026-07-21 SPQ880 - Jul 21, 16:40 UTCJul 21, 16:50 UTC10m
2026-07-19 SPQ881 HAN → SGN Jul 19, 15:20 UTCJul 19, 15:35 UTC15m
2026-07-19 SPQ864 - Jul 19, 12:40 UTCJul 19, 13:00 UTC20m
2026-07-18 SPQ805 HAN → SGN Jul 18, 23:00 UTCJul 18, 23:15 UTC15m
2026-07-18 SPQ880 - Jul 18, 17:05 UTCJul 18, 17:15 UTC10m
2026-07-15 SPQ611 - Jul 15, 23:00 UTCJul 16, 17:10 UTC18h 10m
2026-07-15 SPQ1245 HAN → PQC Jul 15, 14:55 UTCJul 15, 15:10 UTC15m
2026-07-15 SPQ864 - Jul 15, 13:00 UTCJul 15, 13:10 UTC10m
2026-07-14 SPQ803 - Jul 14, 22:35 UTCJul 14, 22:45 UTC9m
2026-07-14 SPQ884 - Jul 14, 17:15 UTCJul 14, 17:30 UTC15m
2026-07-13 SPQ893 HAN → SGN Jul 13, 17:10 UTCJul 13, 17:35 UTC25m
2026-07-13 SPQ863 - Jul 13, 11:05 UTCJul 13, 11:20 UTC15m
2026-07-13 SPQ1221 - Jul 13, 04:55 UTCJul 13, 05:10 UTC15m
2026-07-13 SPQ810 - Jul 13, 03:25 UTCJul 13, 03:40 UTC15m
2026-07-12 SPQ803 - Jul 12, 22:25 UTCJul 12, 22:40 UTC15m
2026-07-12 SPQ945 - Jul 12, 16:01 UTCJul 12, 16:10 UTC10m
2026-07-12 SPQ1221 - Jul 12, 04:45 UTCJul 12, 05:01 UTC15m
2026-07-11 SPQ1203 - Jul 11, 23:00 UTCJul 11, 23:10 UTC10m
2026-07-07 SPQ883 HAN → SGN Jul 7, 14:50 UTCJul 7, 15:10 UTC20m
2026-07-07 SPQ1232 PQC → HAN Jul 7, 04:50 UTCJul 7, 13:40 UTC8h 50m
2026-07-06 SPQ805 - Jul 6, 22:55 UTCJul 7, 03:30 UTC4h 35m
2026-07-06 SPQ863 - Jul 6, 10:35 UTCJul 6, 11:00 UTC25m
2026-07-06 SPQ1221 - Jul 6, 05:05 UTCJul 6, 09:10 UTC4h 5m
2026-07-06 SPQ810 - Jul 6, 03:10 UTCJul 6, 03:20 UTC10m
2026-07-05 SPQ803 HAN → SGN Jul 5, 22:25 UTCJul 5, 22:45 UTC20m
2026-07-05 SPQ1232 PQC → HAN Jul 5, 04:55 UTCJul 5, 13:45 UTC8h 50m
2026-07-04 SPQ1203 - Jul 4, 23:00 UTCJul 5, 03:05 UTC4h 5m
2026-07-04 SPQ880 SGN → HAN Jul 4, 16:40 UTCJul 4, 17:05 UTC25m
2026-07-03 SPQ895 - Jul 3, 16:35 UTCJul 3, 17:00 UTC25m
2026-07-03 SPQ876 SGN → HAN Jul 3, 14:45 UTCJul 3, 15:15 UTC30m
2026-07-02 SPQ881 HAN → SGN Jul 2, 15:35 UTCJul 2, 16:00 UTC25m
2026-07-02 SPQ1232 PQC → HAN Jul 2, 05:20 UTCJul 2, 14:00 UTC8h 40m
2026-07-01 SPQ1204 - Jul 1, 22:50 UTCJul 2, 03:15 UTC4h 25m
2026-07-01 SPQ863 - Jul 1, 10:55 UTCJul 1, 15:35 UTC4h 40m
2026-07-01 SPQ1220 - Jul 1, 05:10 UTCJul 1, 09:30 UTC4h 20m
2026-06-30 SPQ805 - Jun 30, 22:55 UTCJul 1, 03:25 UTC4h 30m
2026-06-30 SPQ858 - Jun 30, 06:35 UTCJun 30, 11:20 UTC4h 45m
2026-06-30 SPQ828 - Jun 30, 00:35 UTCJun 30, 05:25 UTC4h 51m
2026-06-27 SPQ876 SGN → HAN Jun 27, 14:35 UTCJun 27, 15:05 UTC30m
2026-06-26 SPQ876 SGN → HAN Jun 26, 16:20 UTCJun 27, 15:05 UTC22h 45m
2026-06-26 SPQ893 HAN → SGN Jun 26, 16:14 UTCJun 26, 16:44 UTC30m

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-A908 page for operator, model, and routing details .

Mode-S 888221 frequently asked

What is Mode-S code 888221?
888221 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A908.
Where is Mode-S 888221 registered?
Mode-S code 888221 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888221 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 888221, octal 42101041, decimal 8,946,209.
What flights does 888221 operate?
Mode-S 888221 has broadcast 20 distinct callsigns, including SPQ876, SPQ893, SPQ1232, SPQ805, SPQ803.