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sensors Mode-S transponder

88818C

ICAO 24-bit transponder address · allocated to Vietnam

Currently assigned to VN-A877 · BOEING 787-10 Dreamliner

Hex
88818C
Octal
42100614
Decimal
8,946,060
Country
VN
Tail
VN-A877
Type
B78X
Broadcasting now · callsign HVN416 · 26,975 ft
Flights observed
242
Distinct callsigns
20
Country
VN
Last broadcast
Jul 26, 20:45 UTC

Current position

88818C is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 88818C 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
HVN416 Vietnam Airlines 21 2026-07-26
HVN306 - 20 2026-07-15
HVN310 - 18 2026-07-17
HVN428 Vietnam Airlines 17 2026-07-23
HVN417 Vietnam Airlines 16 2026-07-26
HVN409 Vietnam Airlines 15 2026-07-19
HVN429 Vietnam Airlines 14 2026-07-24
HVN408 Vietnam Airlines 14 2026-07-19
HVN311 - 14 2026-07-18
HVN307 - 14 2026-07-16
HVN335 Vietnam Airlines 11 2026-07-21
HVN334 Vietnam Airlines 11 2026-07-20
HVN976 - 5 2026-07-21
HVN977 Vietnam Airlines 4 2026-07-21
HVN258 Vietnam Airlines 4 2026-06-25
HVN423 - 3 2026-07-01
HVN220 Vietnam Airlines 3 2026-06-15
HVN218 Vietnam Airlines 3 2026-07-03
HVN217 Vietnam Airlines 3 2026-07-25
HVN973 Vietnam Airlines 2 2026-04-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 HVN416 HAN → ICN Jul 26, 20:00 UTCJul 26, 20:45 UTC45m
2026-07-26 HVN416 HAN → ICN Jul 26, 17:05 UTCJul 26, 17:15 UTC10m
2026-07-26 HVN251 HAN → SGN Jul 26, 06:50 UTCJul 26, 07:05 UTC15m
2026-07-26 HVN417 ICN → HAN Jul 26, 01:20 UTCJul 26, 02:00 UTC40m
2026-07-25 HVN416 HAN → ICN Jul 25, 19:50 UTCJul 25, 20:35 UTC45m
2026-07-25 HVN416 HAN → ICN Jul 25, 17:00 UTCJul 25, 17:10 UTC10m
2026-07-25 HVN217 HAN → SGN Jul 25, 10:25 UTCJul 25, 10:40 UTC15m
2026-07-25 HVN417 ICN → HAN Jul 25, 01:25 UTCJul 25, 02:10 UTC45m
2026-07-24 HVN416 HAN → ICN Jul 24, 20:05 UTCJul 24, 20:50 UTC45m
2026-07-24 HVN429 PUS → HAN Jul 24, 01:55 UTCJul 24, 02:15 UTC20m
2026-07-23 HVN428 HAN → PUS Jul 23, 21:30 UTCJul 23, 21:55 UTC25m
2026-07-23 HVN249 HAN → SGN Jul 23, 09:00 UTCJul 23, 09:10 UTC10m
2026-07-21 HVN976 - Jul 21, 18:20 UTCJul 21, 22:15 UTC3h 55m
2026-07-21 HVN977 SGN → DEL Jul 21, 07:25 UTCJul 21, 16:25 UTC9h 0m
2026-07-21 HVN335 KIX → HAN Jul 21, 01:10 UTCJul 21, 02:05 UTC55m
2026-07-20 HVN334 HAN → KIX Jul 20, 20:30 UTCJul 20, 21:30 UTC1h 0m
2026-07-20 HVN217 - Jul 20, 10:25 UTCJul 20, 10:35 UTC10m
2026-07-20 HVN417 - Jul 20, 01:45 UTCJul 20, 02:25 UTC40m
2026-07-19 HVN408 SGN → ICN Jul 19, 15:00 UTCJul 19, 22:55 UTC7h 55m
2026-07-19 HVN409 ICN → SGN Jul 19, 02:15 UTCJul 19, 04:45 UTC2h 30m
2026-07-18 HVN408 SGN → ICN Jul 18, 13:40 UTCJul 18, 22:30 UTC8h 50m
2026-07-18 HVN7035 HAN → DAD Jul 18, 07:05 UTCJul 18, 07:15 UTC10m
2026-07-18 HVN311 - Jul 18, 00:45 UTCJul 18, 02:09 UTC1h 25m
2026-07-17 HVN310 - Jul 17, 20:44 UTCJul 17, 22:25 UTC1h 40m
2026-07-17 HVN409 ICN → SGN Jul 17, 02:25 UTCJul 17, 04:54 UTC2h 30m
2026-07-16 HVN408 - Jul 16, 18:50 UTCJul 16, 21:35 UTC2h 45m
2026-07-16 HVN263 HAN → SGN Jul 16, 13:25 UTCJul 16, 13:34 UTC10m
2026-07-16 HVN307 - Jul 16, 01:10 UTCJul 16, 04:20 UTC3h 10m
2026-07-15 HVN306 - Jul 15, 03:05 UTCJul 15, 22:55 UTC19h 50m
2026-07-15 HVN306 - Jul 15, 01:20 UTCJul 15, 22:55 UTC21h 35m
2026-07-14 HVN306 - Jul 14, 14:05 UTCJul 14, 23:25 UTC9h 19m
2026-07-14 HVN417 - Jul 14, 01:25 UTCJul 14, 02:05 UTC40m
2026-07-13 HVN416 - Jul 13, 20:10 UTCJul 13, 20:50 UTC40m
2026-07-13 HVN215 - Jul 13, 08:45 UTCJul 13, 08:55 UTC10m
2026-07-13 HVN429 - Jul 13, 02:25 UTCJul 13, 02:35 UTC10m
2026-07-12 HVN428 - Jul 12, 22:15 UTCJul 12, 22:35 UTC20m
2026-07-12 HVN428 - Jul 12, 19:10 UTCJul 12, 19:20 UTC10m
2026-07-12 HVN7063 - Jul 12, 14:05 UTCJul 12, 14:15 UTC10m
2026-07-12 HVN179 - Jul 12, 09:25 UTCJul 12, 09:35 UTC10m
2026-07-12 HVN429 - Jul 12, 02:05 UTCJul 12, 02:15 UTC10m
2026-07-11 HVN428 - Jul 11, 21:45 UTCJul 11, 22:01 UTC15m
2026-07-11 HVN259 - Jul 11, 12:10 UTCJul 11, 12:20 UTC10m
2026-07-11 HVN409 - Jul 11, 01:50 UTCJul 11, 05:50 UTC4h 0m
2026-07-10 HVN408 - Jul 10, 19:30 UTCJul 10, 22:20 UTC2h 50m
2026-07-10 HVN1187 HPH → SGN Jul 10, 14:40 UTCJul 10, 14:50 UTC10m
2026-07-10 HVN1186 SGN → HPH Jul 10, 13:05 UTCJul 10, 13:15 UTC10m
2026-07-10 HVN215 - Jul 10, 08:25 UTCJul 10, 08:35 UTC10m
2026-07-10 HVN417 - Jul 10, 01:50 UTCJul 10, 02:30 UTC40m
2026-07-09 HVN416 - Jul 9, 09:55 UTCJul 9, 21:00 UTC11h 5m
2026-07-09 HVN311 - Jul 9, 00:50 UTCJul 9, 02:25 UTC1h 35m

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-A877 page for operator, model, and routing details .

Mode-S 88818C frequently asked

What is Mode-S code 88818C?
88818C is an ICAO 24-bit transponder address. Allocated to Vietnam. Assigned to VN-A877.
Where is Mode-S 88818C registered?
Mode-S code 88818C is allocated to Vietnam (VN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 88818C broadcasting right now?
Yes. Mode-S 88818C is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 88818C, octal 42100614, decimal 8,946,060.
What flights does 88818C operate?
Mode-S 88818C has broadcast 20 distinct callsigns, including HVN416, HVN306, HVN310, HVN428, HVN417.