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sensors Mode-S transponder

88809A

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A336 · AIRBUS A-321

Hex
88809A
Octal
42100232
Decimal
8,945,818
Country
VN
Tail
VN-A336
Type
A321
No current signal · last broadcast Jul 26, 21:00 UTC
Flights observed
280
Distinct callsigns
20
Country
VN
Last broadcast
Jul 26, 21:00 UTC

Last known position

Most recent position reported by Mode-S 88809A.

Country allocation

The ICAO 24-bit address 88809A 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
HVN319 - 26 2026-07-17
HVN318 - 24 2026-07-16
HVN402 Vietnam Airlines 17 2026-07-22
HVN403 Vietnam Airlines 13 2026-07-23
HVN350 - 9 2026-06-30
HVN343 - 9 2026-07-16
HVN983 - 8 2026-07-09
HVN982 - 8 2026-07-09
HVN351 - 8 2026-07-01
HVN342 - 6 2026-07-15
HVN1615 Vietnam Airlines 6 2026-07-20
HVN681 Vietnam Airlines 5 2026-07-25
HVN615 - 5 2026-07-11
HVN356 Vietnam Airlines 5 2026-07-25
HVN1614 Vietnam Airlines 5 2026-07-20
HVN984 - 4 2026-07-08
HVN680 Vietnam Airlines 4 2026-07-25
HVN635 - 4 2026-07-20
HVN609 - 4 2026-07-22
HVN608 Vietnam Airlines 4 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 HVN985 HAN → HYD Jul 26, 13:10 UTCJul 26, 21:00 UTC7h 50m
2026-07-26 HVN176 DAD → HAN Jul 26, 09:40 UTCJul 26, 10:00 UTC20m
2026-07-26 HVN175 HAN → DAD Jul 26, 07:10 UTCJul 26, 07:25 UTC15m
2026-07-26 HVN357 FUK → HAN Jul 26, 01:40 UTCJul 26, 05:10 UTC3h 30m
2026-07-25 HVN356 HAN → FUK Jul 25, 21:45 UTCJul 25, 22:05 UTC20m
2026-07-25 HVN356 HAN → FUK Jul 25, 18:35 UTCJul 25, 18:50 UTC15m
2026-07-25 HVN680 KUL → HAN Jul 25, 14:45 UTCJul 25, 15:05 UTC20m
2026-07-25 HVN680 KUL → HAN Jul 25, 12:15 UTCJul 25, 12:30 UTC15m
2026-07-25 HVN681 HAN → KUL Jul 25, 10:40 UTCJul 25, 11:05 UTC25m
2026-07-25 HVN681 HAN → KUL Jul 25, 08:25 UTCJul 25, 08:40 UTC15m
2026-07-25 HVN1236 PQC → HAN Jul 25, 06:00 UTCJul 25, 06:15 UTC15m
2026-07-25 HVN1237 HAN → PQC Jul 25, 01:55 UTCJul 25, 02:10 UTC15m
2026-07-23 HVN403 ICN → SGN Jul 23, 09:05 UTCJul 23, 12:05 UTC3h 0m
2026-07-22 HVN402 SGN → ICN Jul 22, 14:20 UTCJul 23, 07:20 UTC17h 0m
2026-07-22 HVN609 BKK → BKK Jul 22, 04:30 UTCJul 22, 12:55 UTC8h 25m
2026-07-22 HVN601 SGN → BKK Jul 22, 02:35 UTCJul 22, 03:10 UTC35m
2026-07-21 HVN921 HAN → VTE Jul 21, 02:40 UTCJul 21, 02:50 UTC10m
2026-07-20 HVN634 CGK → HAN Jul 20, 22:35 UTCJul 20, 22:45 UTC10m
2026-07-20 HVN634 CGK → HAN Jul 20, 19:00 UTCJul 20, 20:30 UTC1h 30m
2026-07-20 HVN635 - Jul 20, 17:10 UTCJul 20, 17:30 UTC20m
2026-07-20 HVN635 - Jul 20, 13:40 UTCJul 20, 13:50 UTC10m
2026-07-20 HVN7557 - Jul 20, 05:10 UTCJul 20, 09:05 UTC3h 55m
2026-07-20 HVN1614 PXU → HAN Jul 20, 03:20 UTCJul 20, 03:30 UTC10m
2026-07-20 HVN1615 HAN → PXU Jul 20, 00:30 UTCJul 20, 00:45 UTC15m
2026-07-19 HVN680 KUL → HAN Jul 19, 13:50 UTCJul 19, 14:10 UTC20m
2026-07-19 HVN681 HAN → KUL Jul 19, 12:00 UTCJul 19, 12:30 UTC30m
2026-07-19 HVN681 HAN → KUL Jul 19, 09:40 UTCJul 19, 09:55 UTC15m
2026-07-19 HVN1236 PQC → HAN Jul 19, 05:45 UTCJul 19, 06:10 UTC25m
2026-07-19 HVN1237 HAN → PQC Jul 19, 00:50 UTCJul 19, 01:10 UTC20m
2026-07-18 HVN238 SGN → HAN Jul 18, 16:40 UTCJul 18, 16:50 UTC10m
2026-07-17 HVN319 - Jul 17, 00:10 UTCJul 17, 03:39 UTC3h 30m
2026-07-16 HVN318 - Jul 16, 10:35 UTCJul 16, 22:35 UTC12h 0m
2026-07-16 HVN343 - Jul 16, 01:50 UTCJul 16, 09:15 UTC7h 25m
2026-07-16 HVN343 - Jul 16, 00:35 UTCJul 16, 00:45 UTC10m
2026-07-15 HVN342 - Jul 15, 22:10 UTCJul 15, 22:20 UTC10m
2026-07-15 HVN403 - Jul 15, 09:55 UTCJul 15, 21:10 UTC11h 15m
2026-07-15 HVN402 - Jul 15, 04:55 UTCJul 15, 07:55 UTC3h 0m
2026-07-13 HVN267 HAN → SGN Jul 13, 16:05 UTCJul 13, 16:20 UTC15m
2026-07-13 HVN836 - Jul 13, 14:15 UTCJul 13, 14:40 UTC25m
2026-07-13 HVN837 - Jul 13, 10:55 UTCJul 13, 11:05 UTC10m
2026-07-13 HVN1650 - Jul 13, 05:15 UTCJul 13, 08:55 UTC3h 40m
2026-07-13 HVN1614 - Jul 13, 03:25 UTCJul 13, 03:40 UTC15m
2026-07-13 HVN1615 - Jul 13, 00:30 UTCJul 13, 00:45 UTC15m
2026-07-12 HVN7033 - Jul 12, 16:05 UTCJul 12, 16:20 UTC15m
2026-07-12 HVN1562 CXR → HAN Jul 12, 14:15 UTCJul 12, 14:45 UTC30m
2026-07-12 HVN1563 - Jul 12, 10:01 UTCJul 12, 10:10 UTC10m
2026-07-12 HVN357 - Jul 12, 04:35 UTCJul 12, 04:45 UTC10m
2026-07-12 HVN357 - Jul 12, 01:10 UTCJul 12, 01:40 UTC30m
2026-07-11 HVN356 - Jul 11, 22:20 UTCJul 11, 22:40 UTC20m
2026-07-11 HVN356 - Jul 11, 19:00 UTCJul 11, 19:15 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-A336 page for operator, model, and routing details .

Mode-S 88809A frequently asked

What is Mode-S code 88809A?
88809A is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A336.
Where is Mode-S 88809A registered?
Mode-S code 88809A is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 88809A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 88809A, octal 42100232, decimal 8,945,818.
What flights does 88809A operate?
Mode-S 88809A has broadcast 20 distinct callsigns, including HVN319, HVN318, HVN402, HVN403, HVN350.