Apparatus

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sensors Mode-S transponder

AA0531

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N745AV · AIRBUS A-320 · operated by UMB BANK NA TRUSTEE

Hex
AA0531
Octal
52402461
Decimal
11,142,449
Country
US
Tail
N745AV
Type
A320
No current signal · last broadcast Jul 26, 19:10 UTC
Flights observed
376
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 19:10 UTC

Last known position

Most recent position reported by Mode-S AA0531.

Country allocation

The ICAO 24-bit address AA0531 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
TAI385 - 9 2026-07-08
TAI384 Avianca El Salvador 7 2026-06-17
AVA008 - 6 2026-07-06
AVA005 - 5 2026-07-06
AVA9774 - 4 2026-06-16
AVA8535 Avianca - Aerovias Nacionales de Colombia, S.A. 4 2026-07-25
AVA8438 Avianca - Aerovias Nacionales de Colombia, S.A. 4 2026-07-25
AVA051 - 4 2026-06-15
AVA9776 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-05-28
AVA9534 - 3 2026-07-12
AVA9491 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-05-18
AVA9445 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-06-16
AVA9361 - 3 2026-07-11
AVA9330 - 3 2026-07-11
AVA9241 - 3 2026-07-16
AVA8504 - 3 2026-07-16
AVA250 - 3 2026-07-03
AVA243 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-07-23
AVA233 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-07-18
AVA186 - 3 2026-07-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AVA053 BOG → LIM Jul 26, 18:55 UTCJul 26, 19:10 UTC15m
2026-07-26 AVA9489 LET → BOG Jul 26, 15:20 UTCJul 26, 16:55 UTC1h 35m
2026-07-26 AVA9488 BOG → LET Jul 26, 13:50 UTCJul 26, 14:20 UTC30m
2026-07-26 AVA9488 BOG → LET Jul 26, 12:50 UTCJul 26, 13:00 UTC10m
2026-07-26 AVR5233 CUC → BOG Jul 26, 04:30 UTCJul 26, 04:45 UTC15m
2026-07-26 AVR5232 BOG → CUC Jul 26, 02:05 UTCJul 26, 02:25 UTC20m
2026-07-25 AVA117 BOG → CNF Jul 25, 16:55 UTCJul 25, 23:40 UTC6h 45m
2026-07-25 AVA8535 BOG → PEI Jul 25, 14:15 UTCJul 25, 15:15 UTC1h 0m
2026-07-25 AVA8438 BOG → RCH Jul 25, 11:50 UTCJul 25, 12:45 UTC55m
2026-07-25 AVA9313 MDE → BOG Jul 25, 03:55 UTCJul 25, 04:10 UTC15m
2026-07-25 AVA9308 BOG → MDE Jul 25, 01:40 UTCJul 25, 01:55 UTC15m
2026-07-24 AVA8456 MDE → MTR Jul 24, 23:55 UTCJul 25, 00:20 UTC25m
2026-07-24 AVA8457 MTR → MDE Jul 24, 21:40 UTCJul 24, 21:55 UTC15m
2026-07-24 AVR4866 - Jul 24, 17:05 UTCJul 24, 17:40 UTC35m
2026-07-24 AVR4867 BOG → AXM Jul 24, 15:40 UTCJul 24, 16:05 UTC25m
2026-07-24 AVA9840 BGA → CTG Jul 24, 13:20 UTCJul 24, 13:50 UTC30m
2026-07-24 AVA9845 BOG → AXM Jul 24, 11:45 UTCJul 24, 12:10 UTC25m
2026-07-24 AVA023 MEX → BOG Jul 24, 05:50 UTCJul 24, 10:00 UTC4h 10m
2026-07-23 AVA022 BOG → MEX Jul 23, 20:20 UTCJul 24, 00:30 UTC4h 10m
2026-07-23 AVA243 AUA → BOG Jul 23, 17:10 UTCJul 23, 17:25 UTC15m
2026-07-23 AVA243 AUA → BOG Jul 23, 16:05 UTCJul 23, 16:15 UTC10m
2026-07-23 AVA242 BOG → AUA Jul 23, 14:30 UTCJul 23, 14:40 UTC10m
2026-07-23 AVA081 BOG → MAO Jul 23, 05:55 UTCJul 23, 06:20 UTC25m
2026-07-23 AVA081 BOG → MAO Jul 23, 04:55 UTCJul 23, 05:05 UTC10m
2026-07-22 AVA108 UIO → BOG Jul 22, 20:25 UTCJul 22, 20:50 UTC25m
2026-07-22 AVA8535 - Jul 22, 14:20 UTCJul 22, 15:15 UTC55m
2026-07-22 AVA8438 - Jul 22, 11:40 UTCJul 22, 12:35 UTC55m
2026-07-22 AVA922 - Jul 22, 04:40 UTCJul 22, 04:55 UTC15m
2026-07-22 AVA9564 CLO → BOG Jul 22, 02:25 UTCJul 22, 02:40 UTC15m
2026-07-22 AVA9271 BOG → CLO Jul 22, 00:30 UTCJul 22, 00:45 UTC15m
2026-07-21 AVA4848 IBE → BOG Jul 21, 22:15 UTCJul 21, 22:25 UTC10m
2026-07-21 AVA9724 BOG → CUC Jul 21, 16:00 UTCJul 21, 18:45 UTC2h 45m
2026-07-21 AVA8595 VUP → BOG Jul 21, 13:55 UTCJul 21, 14:45 UTC50m
2026-07-21 AVA8594 - Jul 21, 11:40 UTCJul 21, 12:25 UTC45m
2026-07-21 AVA922 BOG → BOG Jul 21, 04:45 UTCJul 21, 09:35 UTC4h 50m
2026-07-21 AVA9525 BAQ → BOG Jul 21, 00:00 UTCJul 21, 01:00 UTC1h 0m
2026-07-20 AVA8434 PEI → BOG Jul 20, 21:45 UTCJul 20, 22:50 UTC1h 5m
2026-07-20 AVA149 IAD → BOG Jul 20, 14:55 UTCJul 20, 19:45 UTC4h 50m
2026-07-20 AVA148 BOG → IAD Jul 20, 04:20 UTCJul 20, 09:05 UTC4h 45m
2026-07-19 AVA8456 - Jul 19, 20:30 UTCJul 19, 23:30 UTC3h 0m
2026-07-19 AVA9311 - Jul 19, 18:40 UTCJul 19, 18:55 UTC15m
2026-07-19 AVA9336 - Jul 19, 16:45 UTCJul 19, 16:55 UTC10m
2026-07-19 AVA9807 CTG → BOG Jul 19, 14:15 UTCJul 19, 15:20 UTC1h 5m
2026-07-19 AVA9832 BOG → MTR Jul 19, 12:05 UTCJul 19, 13:20 UTC1h 15m
2026-07-19 AVA9421 - Jul 19, 05:20 UTCJul 19, 05:35 UTC15m
2026-07-19 AVA9346 - Jul 19, 00:30 UTCJul 19, 00:45 UTC15m
2026-07-18 AVA233 AUA → BOG Jul 18, 22:40 UTCJul 18, 23:00 UTC20m
2026-07-18 AVA233 AUA → BOG Jul 18, 21:40 UTCJul 18, 21:50 UTC10m
2026-07-18 AVA232 - Jul 18, 18:20 UTCJul 18, 18:30 UTC10m
2026-07-18 AVA8512 - Jul 18, 16:00 UTCJul 18, 16:30 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 N745AV page for operator, model, and routing details .

Mode-S AA0531 frequently asked

What is Mode-S code AA0531?
AA0531 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N745AV.
Where is Mode-S AA0531 registered?
Mode-S code AA0531 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 AA0531 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA0531, octal 52402461, decimal 11,142,449.
What flights does AA0531 operate?
Mode-S AA0531 has broadcast 20 distinct callsigns, including TAI385, TAI384, AVA008, AVA005, AVA9774.