Apparatus

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sensors Mode-S transponder

888051

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A354 · AIRBUS A-321

Hex
888051
Octal
42100121
Decimal
8,945,745
Country
VN
Tail
VN-A354
Type
A321
No current signal · last broadcast 5h ago
Flights observed
109
Distinct callsigns
18
Country
VN
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 888051.

Country allocation

The ICAO 24-bit address 888051 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
PIC6440 - 23 2026-07-16
PIC6441 - 20 2026-07-16
PIC6521 - 7 2026-07-17
PIC6150 Jetstar Pacific 7 2026-04-24
PIC6104 Jetstar Pacific 7 2026-04-25
PIC6103 Jetstar Pacific 6 2026-04-25
PIC6025 - 5 2026-07-01
PIC6345 - 4 2026-07-01
PIC6210 Jetstar Pacific 4 2026-04-24
PIC6081 - 4 2026-07-01
PIC6002 - 4 2026-06-26
PIC6520 - 3 2026-07-11
PIC6344 - 3 2026-07-01
PIC6151 Jetstar Pacific 3 2026-04-24
PIC6071 Jetstar Pacific 3 2026-06-27
PIC6070 Jetstar Pacific 3 2026-07-01
PIC6080 - 2 2026-06-27
PIC6421 Jetstar Pacific 1 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 PIC6521 - Jul 17, 16:44 UTCJul 17, 16:59 UTC15m
2026-07-16 PIC6441 - Jul 16, 09:30 UTCJul 16, 09:40 UTC10m
2026-07-16 PIC6440 - Jul 16, 08:20 UTCJul 16, 08:30 UTC10m
2026-07-15 PIC6521 - Jul 15, 16:55 UTCJul 15, 17:05 UTC10m
2026-07-14 PIC6441 - Jul 14, 10:25 UTCJul 14, 10:35 UTC10m
2026-07-14 PIC6440 - Jul 14, 09:15 UTCJul 14, 09:25 UTC10m
2026-07-13 PIC6521 - Jul 13, 16:20 UTCJul 13, 16:35 UTC15m
2026-07-12 PIC6441 - Jul 12, 09:40 UTCJul 12, 09:55 UTC15m
2026-07-12 PIC6440 - Jul 12, 08:30 UTCJul 12, 08:45 UTC15m
2026-07-11 PIC6521 - Jul 11, 16:45 UTCJul 11, 17:00 UTC15m
2026-07-11 PIC6520 - Jul 11, 15:40 UTCJul 11, 15:50 UTC10m
2026-07-09 PIC6521 - Jul 9, 16:45 UTCJul 9, 16:55 UTC10m
2026-07-08 PIC6441 - Jul 8, 09:50 UTCJul 8, 10:00 UTC10m
2026-07-08 PIC6440 - Jul 8, 08:30 UTCJul 8, 08:45 UTC15m
2026-07-06 PIC6441 - Jul 6, 09:55 UTCJul 6, 10:10 UTC15m
2026-07-06 PIC6440 - Jul 6, 08:25 UTCJul 6, 08:40 UTC15m
2026-07-05 PIC6521 - Jul 5, 16:40 UTCJul 5, 17:00 UTC20m
2026-07-05 PIC6520 - Jul 5, 15:30 UTCJul 5, 15:40 UTC10m
2026-07-04 PIC6441 - Jul 4, 10:00 UTCJul 4, 10:20 UTC20m
2026-07-04 PIC6440 - Jul 4, 08:15 UTCJul 4, 08:50 UTC35m
2026-07-03 PIC6521 - Jul 3, 16:20 UTCJul 3, 16:35 UTC15m
2026-07-03 PIC6520 - Jul 3, 15:05 UTCJul 3, 15:20 UTC15m
2026-07-02 PIC6441 - Jul 2, 10:20 UTCJul 2, 10:40 UTC20m
2026-07-02 PIC6440 - Jul 2, 08:55 UTCJul 2, 09:10 UTC15m
2026-07-01 PIC6025 - Jul 1, 17:15 UTCJul 1, 17:35 UTC20m
2026-07-01 PIC6070 DAD → HAN Jul 1, 12:15 UTCJul 1, 15:05 UTC2h 50m
2026-07-01 PIC6344 - Jul 1, 10:15 UTCJul 1, 10:35 UTC20m
2026-07-01 PIC6345 - Jul 1, 06:15 UTCJul 1, 06:35 UTC20m
2026-07-01 PIC6081 - Jul 1, 01:30 UTCJul 1, 04:25 UTC2h 55m
2026-06-30 PIC6441 - Jun 30, 09:40 UTCJun 30, 23:55 UTC14h 15m
2026-06-30 PIC6440 - Jun 30, 08:15 UTCJun 30, 08:25 UTC10m
2026-06-28 PIC6441 - Jun 28, 09:20 UTCJun 28, 09:34 UTC15m
2026-06-28 PIC6440 - Jun 28, 08:05 UTCJun 28, 08:19 UTC15m
2026-06-27 PIC6025 HAN → SGN Jun 27, 16:30 UTCJun 27, 16:55 UTC25m
2026-06-27 PIC6071 HAN → DAD Jun 27, 12:29 UTCJun 27, 15:24 UTC2h 55m
2026-06-27 PIC6344 - Jun 27, 05:59 UTCJun 27, 10:40 UTC4h 40m
2026-06-27 PIC6080 - Jun 27, 01:39 UTCJun 27, 04:34 UTC2h 55m
2026-06-26 PIC6002 - Jun 26, 16:20 UTCJun 27, 00:05 UTC7h 45m
2026-06-26 PIC6070 DAD → HAN Jun 26, 12:19 UTCJun 26, 15:15 UTC2h 55m
2026-06-26 PIC6344 VCA → HAN Jun 26, 06:00 UTCJun 26, 10:39 UTC4h 40m
2026-06-26 PIC6081 HAN → DAD Jun 26, 02:00 UTCJun 26, 04:45 UTC2h 45m
2026-06-25 PIC6002 SGN → HAN Jun 25, 23:24 UTCJun 26, 00:24 UTC1h 0m
2026-06-24 PIC6441 HPH → SGN Jun 24, 09:39 UTCJun 24, 09:55 UTC15m
2026-06-24 PIC6440 SGN → HPH Jun 24, 08:09 UTCJun 24, 08:30 UTC20m
2026-06-22 PIC6441 HPH → SGN Jun 22, 10:05 UTCJun 22, 10:19 UTC15m
2026-06-22 PIC6440 SGN → HPH Jun 22, 08:35 UTCJun 22, 09:00 UTC25m
2026-06-18 PIC6441 HPH → SGN Jun 18, 10:05 UTCJun 18, 10:25 UTC20m
2026-06-18 PIC6440 SGN → HPH Jun 18, 08:15 UTCJun 18, 08:35 UTC20m
2026-06-17 PIC6025 HAN → SGN Jun 17, 16:05 UTCJun 17, 16:30 UTC25m
2026-06-17 PIC6071 HAN → DAD Jun 17, 11:45 UTCJun 17, 14:40 UTC2h 55m

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-A354 page for operator, model, and routing details .

Mode-S 888051 frequently asked

What is Mode-S code 888051?
888051 is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A354.
Where is Mode-S 888051 registered?
Mode-S code 888051 is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 888051 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 888051, octal 42100121, decimal 8,945,745.
What flights does 888051 operate?
Mode-S 888051 has broadcast 18 distinct callsigns, including PIC6440, PIC6441, PIC6521, PIC6150, PIC6104.