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sensors Mode-S transponder

88804E

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A353 · AIRBUS A-321

Hex
88804E
Octal
42100116
Decimal
8,945,742
Country
VN
Tail
VN-A353
Type
A321
No current signal · last broadcast Jul 26, 20:30 UTC
Flights observed
184
Distinct callsigns
20
Country
VN
Last broadcast
Jul 26, 20:30 UTC

Last known position

Most recent position reported by Mode-S 88804E.

Country allocation

The ICAO 24-bit address 88804E 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
HVN441 Vietnam Airlines 9 2026-05-19
HVN440 Vietnam Airlines 7 2026-05-19
HVN649 - 5 2026-07-01
HVN434 Vietnam Airlines 5 2026-05-17
HVN678 - 4 2026-07-20
HVN657 - 4 2026-07-12
HVN656 - 4 2026-07-12
HVN648 - 4 2026-06-24
HVN571 - 4 2026-07-15
HVN570 - 4 2026-07-14
HVN431 Vietnam Airlines 4 2026-05-01
HVN430 Vietnam Airlines 4 2026-04-30
HVN679 - 3 2026-07-20
HVN651 - 3 2026-07-20
HVN650 - 3 2026-07-20
HVN647 Vietnam Airlines 3 2026-07-26
HVN582 - 3 2026-06-29
HVN435 Vietnam Airlines 3 2026-05-20
HVN157 - 3 2026-07-04
HVN7544 Vietnam Airlines 2 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 HVN647 HAN → MNL Jul 26, 17:45 UTCJul 26, 20:25 UTC2h 40m
2026-07-26 HVN618 BKK → HAN Jul 26, 13:20 UTCJul 26, 13:45 UTC25m
2026-07-26 HVN619 HAN → BKK Jul 26, 11:30 UTCJul 26, 12:00 UTC30m
2026-07-26 HVN172 DAD → HAN Jul 26, 08:15 UTCJul 26, 08:25 UTC10m
2026-07-26 HVN171 HAN → DAD Jul 26, 05:15 UTCJul 26, 05:35 UTC20m
2026-07-26 HVN1602 BMV → HAN Jul 26, 03:40 UTCJul 26, 04:00 UTC20m
2026-07-26 HVN1603 HAN → BMV Jul 26, 00:20 UTCJul 26, 00:35 UTC15m
2026-07-25 HVN7172 SGN → HPH Jul 25, 15:05 UTCJul 25, 15:15 UTC10m
2026-07-25 HVN7057 HAN → DAD Jul 25, 12:40 UTCJul 25, 12:50 UTC10m
2026-07-25 HVN7620 UIH → HAN Jul 25, 08:05 UTCJul 25, 11:15 UTC3h 10m
2026-07-25 HVN7544 HUI → HAN Jul 25, 06:30 UTCJul 25, 06:40 UTC10m
2026-07-25 HVN7545 HAN → HUI Jul 25, 04:15 UTCJul 25, 04:30 UTC15m
2026-07-25 HVN7056 DAD → HAN Jul 25, 02:15 UTCJul 25, 02:25 UTC10m
2026-07-24 HVN7053 - Jul 24, 12:25 UTCJul 24, 12:40 UTC15m
2026-07-24 HVN614 BKK → HAN Jul 24, 09:20 UTCJul 24, 09:40 UTC20m
2026-07-24 HVN615 HAN → BKK Jul 24, 00:05 UTCJul 24, 07:55 UTC7h 50m
2026-07-23 HVN7558 CXR → HAN Jul 23, 17:30 UTCJul 23, 17:40 UTC10m
2026-07-23 HVN7559 - Jul 23, 13:45 UTCJul 23, 14:00 UTC15m
2026-07-23 HVN662 SIN → HAN Jul 23, 10:40 UTCJul 23, 10:55 UTC15m
2026-07-23 HVN662 SIN → HAN Jul 23, 08:05 UTCJul 23, 08:25 UTC20m
2026-07-23 HVN663 HAN → SIN Jul 23, 03:45 UTCJul 23, 06:40 UTC2h 55m
2026-07-22 HVN7158 DAD → HAN Jul 22, 23:40 UTCJul 23, 02:20 UTC2h 40m
2026-07-20 HVN678 - Jul 20, 11:30 UTCJul 20, 11:50 UTC20m
2026-07-20 HVN679 - Jul 20, 10:00 UTCJul 20, 10:15 UTC15m
2026-07-20 HVN650 - Jul 20, 05:30 UTCJul 20, 05:50 UTC20m
2026-07-20 HVN651 - Jul 20, 03:20 UTCJul 20, 03:45 UTC25m
2026-07-19 HVN1171 HPH → SGN Jul 19, 23:25 UTCJul 19, 23:40 UTC15m
2026-07-19 HVN1188 SGN → HPH Jul 19, 16:10 UTCJul 19, 16:20 UTC10m
2026-07-19 HVN654 SIN → SGN Jul 19, 10:40 UTCJul 19, 11:05 UTC25m
2026-07-19 HVN655 SGN → SIN Jul 19, 08:50 UTCJul 19, 09:25 UTC35m
2026-07-17 HVN205 - Jul 17, 22:20 UTCJul 17, 22:29 UTC10m
2026-07-17 HVN7163 HAN → DAD Jul 17, 10:40 UTCJul 17, 10:50 UTC10m
2026-07-17 HVN1233 - Jul 17, 04:29 UTCJul 17, 08:45 UTC4h 15m
2026-07-17 HVN587 - Jul 17, 00:30 UTCJul 17, 01:25 UTC55m
2026-07-16 HVN586 - Jul 16, 12:25 UTCJul 16, 13:34 UTC1h 10m
2026-07-16 HVN586 - Jul 16, 11:25 UTCJul 16, 11:34 UTC10m
2026-07-16 HVN7034 - Jul 16, 09:25 UTCJul 16, 09:35 UTC10m
2026-07-16 HVN7035 - Jul 16, 07:10 UTCJul 16, 07:20 UTC10m
2026-07-16 - - Jul 16, 05:45 UTCJul 16, 05:55 UTC10m
2026-07-16 HVN7651 - Jul 16, 02:05 UTCJul 16, 02:20 UTC15m
2026-07-15 HVN646 - Jul 15, 21:40 UTCJul 15, 22:10 UTC30m
2026-07-15 HVN647 - Jul 15, 18:20 UTCJul 15, 20:05 UTC1h 45m
2026-07-15 HVN647 - Jul 15, 17:25 UTCJul 15, 17:35 UTC10m
2026-07-15 HVN1562 CXR → HAN Jul 15, 15:05 UTCJul 15, 15:20 UTC15m
2026-07-15 HVN571 - Jul 15, 00:15 UTCJul 15, 01:10 UTC55m
2026-07-14 HVN570 - Jul 14, 11:50 UTCJul 14, 13:15 UTC1h 25m
2026-07-12 HVN656 - Jul 12, 14:01 UTCJul 12, 14:30 UTC30m
2026-07-12 HVN657 - Jul 12, 12:01 UTCJul 12, 12:25 UTC25m
2026-07-12 HVN604 - Jul 12, 07:55 UTCJul 12, 08:10 UTC15m
2026-07-12 HVN605 - Jul 12, 06:01 UTCJul 12, 06:30 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-A353 page for operator, model, and routing details .

Mode-S 88804E frequently asked

What is Mode-S code 88804E?
88804E is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A353.
Where is Mode-S 88804E registered?
Mode-S code 88804E is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 88804E broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 88804E, octal 42100116, decimal 8,945,742.
What flights does 88804E operate?
Mode-S 88804E has broadcast 20 distinct callsigns, including HVN441, HVN440, HVN649, HVN434, HVN678.