Apparatus

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sensors Mode-S transponder

AD1C18

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N944AV · AIRBUS A-320 · operated by BANK OF UTAH TRUSTEE

Hex
AD1C18
Octal
53216030
Decimal
11,344,920
Country
US
Tail
N944AV
Type
A320
No current signal · last broadcast Jul 26, 20:30 UTC
Flights observed
346
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 20:30 UTC

Last known position

Most recent position reported by Mode-S AD1C18.

Country allocation

The ICAO 24-bit address AD1C18 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
TAI425 - 8 2026-07-11
TAI440 Avianca El Salvador 7 2026-06-09
TAI441 Avianca El Salvador 6 2026-06-09
TAI424 - 6 2026-07-11
LRC661 - 5 2026-07-10
LRC660 - 5 2026-07-10
TAI393 - 4 2026-07-02
TAI311 - 4 2026-07-09
LRC671 - 4 2026-07-12
LRC670 - 4 2026-07-12
AVA103 Avianca - Aerovias Nacionales de Colombia, S.A. 4 2026-06-01
TAI521 - 3 2026-06-12
TAI451 - 3 2026-07-02
TAI397 - 3 2026-07-01
TAI392 Avianca El Salvador 3 2026-05-28
TAI385 Avianca El Salvador 3 2026-06-02
TAI368 - 3 2026-06-27
TAI367 - 3 2026-06-27
TAI310 Avianca El Salvador 3 2026-07-01
AVA9758 - 3 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AVA9791 CTG → MDE Jul 26, 19:45 UTCJul 26, 20:30 UTC45m
2026-07-26 AVA9784 MDE → CTG Jul 26, 18:05 UTCJul 26, 18:45 UTC40m
2026-07-26 AVA043 JFK → MDE Jul 26, 11:15 UTCJul 26, 16:00 UTC4h 45m
2026-07-26 AVA042 MDE → JFK Jul 26, 04:00 UTCJul 26, 08:50 UTC4h 51m
2026-07-26 AVA9304 BOG → MDE Jul 26, 02:10 UTCJul 26, 02:30 UTC20m
2026-07-25 AVA079 CUR → BOG Jul 25, 23:35 UTCJul 26, 00:00 UTC25m
2026-07-25 AVA078 BOG → CUR Jul 25, 20:25 UTCJul 25, 20:35 UTC10m
2026-07-25 AVA078 BOG → CUR Jul 25, 19:20 UTCJul 25, 19:30 UTC10m
2026-07-23 AVA9463 MDE → BOG Jul 23, 15:35 UTCJul 23, 15:50 UTC15m
2026-07-23 AVA9541 CTG → BOG Jul 23, 10:45 UTCJul 23, 11:25 UTC40m
2026-07-23 AVA9372 MDE → CTG Jul 23, 03:25 UTCJul 23, 04:00 UTC35m
2026-07-23 AVA9304 BOG → MDE Jul 23, 01:40 UTCJul 23, 02:00 UTC20m
2026-07-22 AVA9803 ADZ → MDE Jul 22, 23:20 UTCJul 23, 00:20 UTC1h 0m
2026-07-22 AVA9570 BOG → ADZ Jul 22, 21:25 UTCJul 22, 21:30 UTC5m
2026-07-22 AVA9570 BOG → ADZ Jul 22, 19:45 UTCJul 22, 20:20 UTC35m
2026-07-22 AVA9747 CTG → BOG Jul 22, 17:30 UTCJul 22, 18:35 UTC1h 5m
2026-07-22 AVA8556 BOG → CTG Jul 22, 15:25 UTCJul 22, 16:25 UTC1h 0m
2026-07-22 AVA8423 CTG → BOG Jul 22, 13:00 UTCJul 22, 14:05 UTC1h 5m
2026-07-22 AVA9542 - Jul 22, 11:10 UTCJul 22, 11:55 UTC45m
2026-07-22 AVA9236 CLO → BOG Jul 22, 03:40 UTCJul 22, 04:00 UTC20m
2026-07-22 AVA9215 BOG → CLO Jul 22, 01:45 UTCJul 22, 02:00 UTC15m
2026-07-21 AVA195 TPA → BOG Jul 21, 19:50 UTCJul 21, 23:20 UTC3h 30m
2026-07-21 AVA194 BOG → TPA Jul 21, 14:25 UTCJul 21, 18:05 UTC3h 40m
2026-07-21 AVA8454 CLO → BOG Jul 21, 12:40 UTCJul 21, 13:00 UTC20m
2026-07-21 AVA8409 BOG → CLO Jul 21, 10:50 UTCJul 21, 11:05 UTC15m
2026-07-21 AVA8507 MTR → BOG Jul 21, 03:25 UTCJul 21, 04:35 UTC1h 10m
2026-07-21 AVA8496 - Jul 21, 01:55 UTCJul 21, 02:05 UTC10m
2026-07-20 AVA8496 - Jul 20, 22:25 UTCJul 21, 00:05 UTC1h 40m
2026-07-20 AVA243 AUA → BOG Jul 20, 20:15 UTCJul 20, 20:45 UTC30m
2026-07-20 AVA243 AUA → BOG Jul 20, 19:05 UTCJul 20, 19:15 UTC10m
2026-07-20 AVA242 BOG → AUA Jul 20, 14:30 UTCJul 20, 14:40 UTC10m
2026-07-20 AVA242 BOG → AUA Jul 20, 13:15 UTCJul 20, 13:30 UTC15m
2026-07-20 AVA9819 - Jul 20, 03:10 UTCJul 20, 04:10 UTC1h 0m
2026-07-20 AVA9790 BOG → CTG Jul 20, 01:10 UTCJul 20, 02:10 UTC1h 0m
2026-07-19 AVA9789 CTG → BOG Jul 19, 22:50 UTCJul 19, 23:50 UTC1h 0m
2026-07-19 AVA9758 BOG → CTG Jul 19, 20:35 UTCJul 19, 21:35 UTC1h 0m
2026-07-19 AVA9726 - Jul 19, 18:20 UTCJul 19, 18:35 UTC15m
2026-07-19 AVA8567 BOG → CLO Jul 19, 16:15 UTCJul 19, 16:25 UTC10m
2026-07-19 AVR4861 - Jul 19, 14:00 UTCJul 19, 15:00 UTC1h 0m
2026-07-19 AVR4862 BOG → SMR Jul 19, 04:20 UTCJul 19, 04:30 UTC10m
2026-07-19 AVR4862 BOG → SMR Jul 19, 01:25 UTCJul 19, 02:55 UTC1h 30m
2026-07-18 AVA9789 - Jul 18, 22:45 UTCJul 18, 23:45 UTC1h 0m
2026-07-18 AVA9758 BOG → CTG Jul 18, 20:40 UTCJul 18, 21:45 UTC1h 5m
2026-07-18 AVA9311 - Jul 18, 19:00 UTCJul 18, 19:15 UTC15m
2026-07-18 AVA9336 - Jul 18, 17:00 UTCJul 18, 17:15 UTC15m
2026-07-18 AVR4812 BOG → IPI Jul 18, 10:45 UTCJul 18, 13:30 UTC2h 45m
2026-07-17 AVA8456 BOG → BOG Jul 17, 20:40 UTCJul 17, 23:30 UTC2h 50m
2026-07-17 AVA8590 - Jul 17, 15:49 UTCJul 17, 19:20 UTC3h 30m
2026-07-17 AVA8418 - Jul 17, 13:40 UTCJul 17, 13:55 UTC15m
2026-07-16 AVA8478 - Jul 16, 23:59 UTCJul 17, 02:50 UTC2h 50m

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 N944AV page for operator, model, and routing details .

Mode-S AD1C18 frequently asked

What is Mode-S code AD1C18?
AD1C18 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N944AV.
Where is Mode-S AD1C18 registered?
Mode-S code AD1C18 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 AD1C18 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 AD1C18, octal 53216030, decimal 11,344,920.
What flights does AD1C18 operate?
Mode-S AD1C18 has broadcast 20 distinct callsigns, including TAI425, TAI440, TAI441, TAI424, LRC661.