Apparatus

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sensors Mode-S transponder

8881EE

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A539 · AIRBUS A-321neo

Hex
8881EE
Octal
42100756
Decimal
8,946,158
Country
VN
Tail
VN-A539
Type
A21N
No current signal · last broadcast Jul 26, 17:15 UTC
Flights observed
207
Distinct callsigns
20
Country
VN
Last broadcast
Jul 26, 17:15 UTC

Last known position

Most recent position reported by Mode-S 8881EE.

Country allocation

The ICAO 24-bit address 8881EE 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
VJC531 - 6 2026-07-16
VJC939 VietJet Air 5 2026-04-18
VJC425 - 5 2026-07-17
VJC121 VietJet Air 5 2026-06-16
VJC783 VietJet Air 4 2026-07-17
VJC7620 - 4 2026-05-06
VJC563 VietJet Air 4 2026-07-18
VJC532 - 4 2026-07-16
VJC512 VietJet Air 4 2026-07-26
VJC501 - 4 2026-07-17
VJC275 VietJet Air 4 2026-07-24
VJC274 VietJet Air 4 2026-07-24
VJC860 - 3 2026-04-13
VJC564 VietJet Air 3 2026-07-18
VJC523 VietJet Air 3 2026-06-16
VJC521 VietJet Air 3 2026-07-20
VJC426 VietJet Air 3 2026-06-14
VJC420 VietJet Air 3 2026-06-16
VJC419 VietJet Air 3 2026-06-16
VJC279 VietJet Air 3 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 VJC780 CXR → HAN Jul 26, 17:05 UTCJul 26, 17:15 UTC10m
2026-07-26 VJC781 HAN → CXR Jul 26, 13:10 UTCJul 26, 13:25 UTC15m
2026-07-26 VJC512 DAD → HAN Jul 26, 08:35 UTCJul 26, 11:45 UTC3h 10m
2026-07-26 VJC435 HAN → UIH Jul 26, 03:10 UTCJul 26, 06:25 UTC3h 15m
2026-07-26 VJC122 SGN → HAN Jul 26, 01:45 UTCJul 26, 02:00 UTC15m
2026-07-24 VJC275 HPH → SGN Jul 24, 06:05 UTCJul 24, 06:15 UTC10m
2026-07-24 VJC274 SGN → HPH Jul 24, 05:05 UTCJul 24, 05:15 UTC10m
2026-07-23 VJC287 HPH → SGN Jul 23, 17:45 UTCJul 23, 18:00 UTC15m
2026-07-23 VJC286 SGN → HPH Jul 23, 16:35 UTCJul 23, 16:45 UTC10m
2026-07-23 VJC271 HPH → SGN Jul 23, 01:15 UTCJul 23, 01:35 UTC20m
2026-07-23 VJC270 - Jul 23, 00:10 UTCJul 23, 00:20 UTC10m
2026-07-21 VJC279 HPH → SGN Jul 21, 10:05 UTCJul 21, 10:15 UTC10m
2026-07-21 VJC278 SGN → HPH Jul 21, 09:00 UTCJul 21, 09:10 UTC10m
2026-07-20 VJC169 HAN → SGN Jul 20, 17:35 UTCJul 20, 17:50 UTC15m
2026-07-20 VJC521 HAN → DAD Jul 20, 13:10 UTCJul 20, 16:15 UTC3h 5m
2026-07-20 VJC512 DAD → HAN Jul 20, 11:35 UTCJul 20, 11:45 UTC10m
2026-07-20 VJC511 - Jul 20, 09:15 UTCJul 20, 09:25 UTC10m
2026-07-20 VJC538 DAD → HAN Jul 20, 04:50 UTCJul 20, 07:55 UTC3h 5m
2026-07-20 VJC535 - Jul 20, 00:50 UTCJul 20, 03:35 UTC2h 45m
2026-07-19 VJC521 HAN → DAD Jul 19, 14:50 UTCJul 19, 17:40 UTC2h 50m
2026-07-19 VJC512 DAD → HAN Jul 19, 12:45 UTCJul 19, 13:00 UTC15m
2026-07-19 VJC511 - Jul 19, 10:15 UTCJul 19, 10:35 UTC20m
2026-07-19 VJC566 HUI → HAN Jul 19, 08:05 UTCJul 19, 08:30 UTC25m
2026-07-19 VJC565 - Jul 19, 05:25 UTCJul 19, 05:50 UTC25m
2026-07-18 VJC1775 - Jul 18, 23:40 UTCJul 19, 03:30 UTC3h 50m
2026-07-18 VJC520 - Jul 18, 14:40 UTCJul 18, 14:50 UTC10m
2026-07-18 VJC517 - Jul 18, 12:15 UTCJul 18, 12:30 UTC15m
2026-07-18 VJC774 - Jul 18, 10:45 UTCJul 18, 10:55 UTC10m
2026-07-18 VJC787 - Jul 18, 07:05 UTCJul 18, 07:20 UTC15m
2026-07-18 VJC564 HUI → HAN Jul 18, 05:35 UTCJul 18, 05:45 UTC10m
2026-07-18 VJC563 HAN → HUI Jul 18, 03:15 UTCJul 18, 03:30 UTC15m
2026-07-18 VJC514 DAD → HAN Jul 18, 02:00 UTCJul 18, 02:09 UTC10m
2026-07-17 VJC501 - Jul 17, 23:20 UTCJul 17, 23:35 UTC15m
2026-07-17 VJC783 HAN → CXR Jul 17, 14:20 UTCJul 17, 14:35 UTC15m
2026-07-17 VJC1452 - Jul 17, 08:30 UTCJul 17, 12:45 UTC4h 15m
2026-07-17 VJC425 - Jul 17, 03:50 UTCJul 17, 06:40 UTC2h 50m
2026-07-16 VJC773 - Jul 16, 09:35 UTCJul 16, 13:40 UTC4h 5m
2026-07-16 VJC425 - Jul 16, 04:50 UTCJul 16, 05:05 UTC15m
2026-07-16 VJC532 - Jul 16, 03:15 UTCJul 16, 03:30 UTC15m
2026-07-16 VJC531 - Jul 16, 00:10 UTCJul 16, 00:25 UTC15m
2026-07-15 VJC518 - Jul 15, 15:00 UTCJul 15, 15:10 UTC10m
2026-07-15 VJC517 - Jul 15, 12:30 UTCJul 15, 12:45 UTC15m
2026-07-15 VJC774 - Jul 15, 07:15 UTCJul 15, 11:05 UTC3h 50m
2026-07-15 VJC564 - Jul 15, 05:20 UTCJul 15, 05:35 UTC15m
2026-07-15 VJC563 - Jul 15, 02:55 UTCJul 15, 03:05 UTC10m
2026-07-15 - - Jul 15, 01:30 UTCJul 15, 01:40 UTC10m
2026-07-14 VJC501 - Jul 14, 23:00 UTCJul 14, 23:15 UTC15m
2026-07-14 VJC522 - Jul 14, 15:25 UTCJul 14, 15:40 UTC15m
2026-07-14 VJC519 - Jul 14, 12:55 UTCJul 14, 13:05 UTC10m
2026-07-14 VJC144 - Jul 14, 11:15 UTCJul 14, 11:30 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-A539 page for operator, model, and routing details .

Mode-S 8881EE frequently asked

What is Mode-S code 8881EE?
8881EE is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A539.
Where is Mode-S 8881EE registered?
Mode-S code 8881EE is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8881EE broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 17:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8881EE, octal 42100756, decimal 8,946,158.
What flights does 8881EE operate?
Mode-S 8881EE has broadcast 20 distinct callsigns, including VJC531, VJC939, VJC425, VJC121, VJC783.