Apparatus

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sensors Mode-S transponder

AD3872

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N951AV · AIRBUS A-320 · operated by WILMINGTON TRUST COMPANY TRUSTEE

Hex
AD3872
Octal
53234162
Decimal
11,352,178
Country
US
Tail
N951AV
Type
A320
No current signal · last broadcast 4h ago
Flights observed
146
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S AD3872.

Country allocation

The ICAO 24-bit address AD3872 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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
AVR5216 Avianca Express 5 2026-05-27
AVR4872 - 5 2026-05-27
AVR4875 Avianca Express 4 2026-05-27
AVR5238 - 3 2026-05-26
AVR4871 - 3 2026-04-15
AVR4839 Avianca Express 3 2026-05-26
AVR4823 Avianca Express 3 2026-05-27
AVA8469 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-05-20
AVA234 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-05-03
AVR4847 Avianca Express 2 2026-05-26
AVR4837 Avianca Express 2 2026-05-27
AVR4836 Avianca Express 2 2026-05-27
AVR4832 Avianca Express 2 2026-05-26
AVR4831 Avianca Express 2 2026-05-26
AVA9711 Avianca - Aerovias Nacionales de Colombia, S.A. 2 2026-04-25
AVA9525 Avianca - Aerovias Nacionales de Colombia, S.A. 2 2026-05-23
AVA9480 Avianca - Aerovias Nacionales de Colombia, S.A. 2 2026-05-23
AVA9475 Avianca - Aerovias Nacionales de Colombia, S.A. 2 2026-05-23
AVA9361 Avianca - Aerovias Nacionales de Colombia, S.A. 2 2026-04-27
AVA9309 Avianca - Aerovias Nacionales de Colombia, S.A. 2 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 AVR4861 SMR → BOG May 30, 04:05 UTCMay 30, 04:20 UTC15m
2026-05-30 AVR4864 BOG → SMR May 30, 01:15 UTCMay 30, 01:30 UTC15m
2026-05-29 AVA219 MCO → BOG May 29, 00:00 UTCMay 29, 00:15 UTC15m
2026-05-28 AVA219 MCO → BOG May 28, 20:50 UTCMay 28, 21:40 UTC50m
2026-05-28 AVA216 BOG → MCO May 28, 15:15 UTCMay 28, 18:55 UTC3h 40m
2026-05-28 AVA043 JFK → MDE May 28, 04:10 UTCMay 28, 10:25 UTC6h 15m
2026-05-28 AVA8429 RCH → BOG May 28, 02:20 UTCMay 28, 02:35 UTC15m
2026-05-27 AVA8428 BOG → RCH May 27, 23:15 UTCMay 27, 23:30 UTC15m
2026-05-27 AVR4837 BOG → PPN May 27, 21:05 UTCMay 27, 21:20 UTC15m
2026-05-27 AVR4836 PPN → BOG May 27, 18:10 UTCMay 27, 18:25 UTC15m
2026-05-27 AVR4872 - May 27, 14:10 UTCMay 27, 16:00 UTC1h 50m
2026-05-27 AVR4875 BGA → BOG May 27, 12:50 UTCMay 27, 13:10 UTC20m
2026-05-27 AVR5216 BOG → BGA May 27, 10:35 UTCMay 27, 10:55 UTC20m
2026-05-27 AVR4823 SMR → BOG May 27, 03:04 UTCMay 27, 03:24 UTC20m
2026-05-26 AVR4847 BOG → PEI May 26, 19:34 UTCMay 26, 19:45 UTC10m
2026-05-26 AVR4831 SMR → BOG May 26, 18:05 UTCMay 26, 18:14 UTC10m
2026-05-26 AVR4832 BOG → SMR May 26, 15:14 UTCMay 26, 15:29 UTC15m
2026-05-26 AVR5238 - May 26, 13:45 UTCMay 26, 14:00 UTC15m
2026-05-26 AVR4839 BOG → PEI May 26, 11:54 UTCMay 26, 12:10 UTC15m
2026-05-26 AVR4823 SMR → BOG May 26, 03:09 UTCMay 26, 03:25 UTC15m
2026-05-26 AVR4863 BOG → SMR May 26, 00:19 UTCMay 26, 00:29 UTC10m
2026-05-25 AVA8575 BAQ → BOG May 25, 22:44 UTCMay 25, 23:00 UTC15m
2026-05-25 AVA8582 MDE → BAQ May 25, 19:44 UTCMay 25, 20:09 UTC25m
2026-05-23 AVA9794 BOG → MTR May 23, 16:50 UTCMay 23, 19:50 UTC3h 0m
2026-05-23 AVA9463 MDE → BOG May 23, 15:20 UTCMay 23, 15:40 UTC20m
2026-05-23 AVA9260 BOG → MDE May 23, 13:35 UTCMay 23, 13:50 UTC15m
2026-05-23 AVA9475 BGA → BOG May 23, 11:40 UTCMay 23, 11:55 UTC15m
2026-05-23 AVA9480 BOG → BGA May 23, 02:30 UTCMay 23, 02:45 UTC15m
2026-05-23 AVA9525 BAQ → BOG May 23, 01:00 UTCMay 23, 01:30 UTC30m
2026-05-22 AVA8434 PEI → BOG May 22, 21:45 UTCMay 22, 22:00 UTC15m
2026-05-22 AVR5204 BOG → IPI May 22, 20:10 UTCMay 22, 20:30 UTC20m
2026-05-22 AVR5238 - May 22, 16:25 UTCMay 22, 16:40 UTC15m
2026-05-22 AVR4839 BOG → PEI May 22, 13:00 UTCMay 22, 13:15 UTC15m
2026-05-22 AVR4823 SMR → BOG May 22, 03:10 UTCMay 22, 03:20 UTC10m
2026-05-22 AVR4822 BOG → SMR May 22, 00:25 UTCMay 22, 00:40 UTC15m
2026-05-21 AVR4846 PEI → BOG May 21, 22:15 UTCMay 21, 22:30 UTC15m
2026-05-21 AVR4847 BOG → PEI May 21, 19:55 UTCMay 21, 20:10 UTC15m
2026-05-21 AVR4831 SMR → BOG May 21, 18:10 UTCMay 21, 18:25 UTC15m
2026-05-21 AVR4832 BOG → SMR May 21, 15:20 UTCMay 21, 15:35 UTC15m
2026-05-21 AVR5238 - May 21, 13:45 UTCMay 21, 14:00 UTC15m
2026-05-21 AVR4839 BOG → PEI May 21, 12:05 UTCMay 21, 12:20 UTC15m
2026-05-21 AVA9309 MDE → BOG May 21, 04:20 UTCMay 21, 04:35 UTC15m
2026-05-20 AVA8469 BOG → CLO May 20, 04:15 UTCMay 20, 04:25 UTC10m
2026-05-20 AVA9237 CTG → MDE May 20, 02:20 UTCMay 20, 02:30 UTC10m
2026-05-19 AVA9554 BOG → SMR May 19, 23:30 UTCMay 19, 23:45 UTC15m
2026-05-19 AVA9529 BAQ → BOG May 19, 21:45 UTCMay 19, 22:00 UTC15m
2026-05-19 AVA9512 BOG → BAQ May 19, 19:00 UTCMay 19, 19:15 UTC15m
2026-05-18 AVA9758 BOG → CTG May 18, 20:35 UTCMay 18, 23:35 UTC3h 0m
2026-05-18 AVA9245 MDE → BOG May 18, 17:25 UTCMay 18, 17:40 UTC15m
2026-05-16 AVA8441 ADZ → MDE May 16, 23:35 UTCMay 16, 23:45 UTC10m

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 N951AV page for operator, model, and routing details .

Mode-S AD3872 frequently asked

What is Mode-S code AD3872?
AD3872 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N951AV.
Where is Mode-S AD3872 registered?
Mode-S code AD3872 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is AD3872 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD3872, octal 53234162, decimal 11,352,178.
What flights does AD3872 operate?
Mode-S AD3872 has broadcast 20 distinct callsigns, including AVR5216, AVR4872, AVR4875, AVR5238, AVR4871.