sensors Mode-S transponder

A9F655

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N741AV · AIRBUS A-319 · operated by UMB BANK NA TRUSTEE

Hex
A9F655
Octal
52373125
Decimal
11,138,645
Country
US
Tail
N741AV
Type
A319
No current signal · last broadcast 3h ago
Flights observed
164
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A9F655.

Country allocation

The ICAO 24-bit address A9F655 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-06 AVA9416 BOG → BAQ Jun 6, 14:00 UTCJun 6, 14:14 UTC15m
2026-06-06 AVA9443 CUC → BOG Jun 6, 12:04 UTCJun 6, 12:20 UTC15m
2026-06-06 AVA9815 BOG → PEI Jun 6, 02:20 UTCJun 6, 02:35 UTC15m
2026-06-05 AVA9220 CLO → BOG Jun 5, 23:50 UTCJun 6, 00:05 UTC15m
2026-06-05 AVA9416 BOG → BAQ Jun 5, 14:00 UTCJun 5, 14:15 UTC15m
2026-06-05 AVA9815 BOG → PEI Jun 5, 02:25 UTCJun 5, 02:40 UTC15m
2026-06-04 AVA9712 CLO → BOG Jun 4, 15:15 UTCJun 4, 15:30 UTC15m
2026-06-04 AVA8553 CTG → BOG Jun 4, 13:15 UTCJun 4, 13:30 UTC15m
2026-06-04 AVA9458 BOG → CUC Jun 4, 03:30 UTCJun 4, 03:50 UTC20m
2026-06-04 AVA8529 BAQ → BOG Jun 4, 01:30 UTCJun 4, 01:45 UTC15m
2026-06-03 AVA9520 BOG → BAQ Jun 3, 22:20 UTCJun 3, 22:35 UTC15m
2026-06-03 AVA9349 MDE → BOG Jun 3, 20:35 UTCJun 3, 20:50 UTC15m
2026-06-03 AVA9270 BOG → MDE Jun 3, 14:55 UTCJun 3, 15:10 UTC15m
2026-06-03 AVA9725 MDE → BOG Jun 3, 13:15 UTCJun 3, 13:30 UTC15m
2026-06-02 AVA9334 BOG → MDE Jun 2, 22:20 UTCJun 2, 22:30 UTC10m
2026-06-02 AVA9447 CUC → BOG Jun 2, 20:35 UTCJun 2, 20:55 UTC20m
2026-06-02 AVA9448 BOG → CUC Jun 2, 18:25 UTCJun 2, 18:40 UTC15m
2026-06-02 AVA9335 MDE → BOG Jun 2, 04:10 UTCJun 2, 04:30 UTC20m
2026-06-01 AVA9772 BOG → CTG Jun 1, 00:45 UTCJun 1, 01:00 UTC15m
2026-05-31 AVA9842 AXM → BOG May 31, 23:15 UTCMay 31, 23:30 UTC15m
2026-05-31 AVA9841 CTG → BGA May 31, 21:30 UTCMay 31, 21:40 UTC10m
2026-05-31 AVA8544 MDE → BAQ May 31, 19:25 UTCMay 31, 19:35 UTC10m
2026-05-31 AVA8543 BAQ → MDE May 31, 17:20 UTCMay 31, 17:35 UTC15m
2026-05-31 AVA9712 CLO → BOG May 31, 15:35 UTCMay 31, 15:50 UTC15m
2026-05-31 AVA8553 CTG → BOG May 31, 13:55 UTCMay 31, 14:05 UTC10m
2026-05-31 AVA9544 CLO → BOG May 31, 11:30 UTCMay 31, 11:55 UTC25m
2026-05-30 AVA8496 AXM → MDE May 30, 22:25 UTCMay 30, 22:35 UTC10m
2026-05-30 AVA9361 MDE → BOG May 30, 19:30 UTCMay 30, 19:50 UTC20m
2026-05-30 AVA9330 BOG → MDE May 30, 17:50 UTCMay 30, 18:05 UTC15m
2026-05-30 AVA8451 MDE → BOG May 30, 16:15 UTCMay 30, 16:35 UTC20m
2026-05-30 AVA8409 BOG → CLO May 30, 10:40 UTCMay 30, 10:55 UTC15m
2026-05-30 AVA9236 CLO → BOG May 30, 03:35 UTCMay 30, 03:55 UTC20m
2026-05-30 AVA9215 BOG → CLO May 30, 01:15 UTCMay 30, 01:25 UTC10m
2026-05-29 AVA8509 MTR → BOG May 29, 22:35 UTCMay 29, 22:55 UTC20m
2026-05-29 8500 - May 29, 20:00 UTCMay 29, 20:15 UTC15m
2026-05-29 GLG5124 - May 29, 16:20 UTCMay 29, 16:45 UTC25m
2026-05-29 AVA9790 BOG → CTG May 29, 01:10 UTCMay 29, 04:15 UTC3h 5m
2026-05-28 AVA9758 BOG → CTG May 28, 20:30 UTCMay 28, 23:40 UTC3h 10m
2026-05-28 AVA9204 CLO → BOG May 28, 18:35 UTCMay 28, 18:55 UTC20m
2026-05-28 AVA9227 BOG → CLO May 28, 16:35 UTCMay 28, 16:45 UTC10m
2026-05-28 AVA8535 BOG → PEI May 28, 14:55 UTCMay 28, 15:05 UTC10m
2026-05-28 AVA9564 CLO → BOG May 28, 02:20 UTCMay 28, 02:30 UTC10m
2026-05-28 AVA9203 BOG → CLO May 28, 00:15 UTCMay 28, 00:25 UTC10m
2026-05-27 AVA8509 MTR → BOG May 27, 22:25 UTCMay 27, 22:55 UTC30m
2026-05-27 AVA8500 BOG → MTR May 27, 20:00 UTCMay 27, 20:20 UTC20m
2026-05-27 AVA9726 CLO → BOG May 27, 18:20 UTCMay 27, 18:40 UTC20m
2026-05-27 AVA8567 BOG → CLO May 27, 16:10 UTCMay 27, 16:25 UTC15m
2026-05-27 AVA8487 SMR → BOG May 27, 14:45 UTCMay 27, 14:55 UTC10m
2026-05-27 AVA9720 BOG → SMR May 27, 11:55 UTCMay 27, 12:10 UTC15m
2026-05-26 AVA9361 MDE → BOG May 26, 19:50 UTCMay 26, 20:05 UTC15m

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 N741AV page for operator, model, and routing details .

Mode-S A9F655 frequently asked

What is Mode-S code A9F655?
A9F655 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N741AV.
Where is Mode-S A9F655 registered?
Mode-S code A9F655 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 A9F655 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9F655, octal 52373125, decimal 11,138,645.
What flights does A9F655 operate?
Mode-S A9F655 has broadcast 20 distinct callsigns, including AVA9841, AVA8553, AVA8509, AVA8409, AVA9842.