sensors Mode-S transponder

A5E2A1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N479AZ · BOEING 767-300 · operated by CARGO AIRCRAFT MANAGEMENT INC

Hex
A5E2A1
Octal
51361241
Decimal
10,871,457
Country
US
Tail
N479AZ
Type
B763
No current signal · last broadcast Jul 26, 21:55 UTC
Flights observed
233
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:55 UTC

Last known position

Most recent position reported by Mode-S A5E2A1.

Country allocation

The ICAO 24-bit address A5E2A1 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
ATN3370 - 6 2026-07-06
ATN3356 - 6 2026-06-20
ATN3374 - 5 2026-07-07
ATN3357 - 5 2026-06-30
ATN3344 - 5 2026-07-08
ATN3307 - 5 2026-07-23
ATN3398 Air Transport International 4 2026-07-18
ATN3369 Air Transport International 4 2026-07-19
ATN3367 Air Transport International 4 2026-06-12
ATN3364 - 4 2026-07-01
ATN3363 Air Transport International 4 2026-07-26
ATN3359 Air Transport International 4 2026-07-18
ATN3345 - 4 2026-07-18
ATN3343 - 4 2026-07-14
ATN3340 Air Transport International 4 2026-07-26
ATN3336 Air Transport International 4 2026-05-06
ATN3331 Air Transport International 4 2026-07-24
ATN3322 - 4 2026-06-29
ATN3321 Air Transport International 4 2026-06-11
ATN3318 Air Transport International 4 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ATN3363 JFK → RFD Jul 26, 20:00 UTCJul 26, 21:55 UTC1h 55m
2026-07-26 ATN3340 CVG → AUS Jul 26, 15:00 UTCJul 26, 16:50 UTC1h 50m
2026-07-26 ATN3302 CVG → RIC Jul 26, 05:15 UTCJul 26, 07:10 UTC1h 56m
2026-07-25 ATN3315 CVG → JFK Jul 25, 19:00 UTCJul 25, 21:00 UTC2h 0m
2026-07-25 ATN6702 SFO → SBD Jul 25, 09:15 UTCJul 25, 12:05 UTC2h 50m
2026-07-25 ATN4326 AFW → PIT Jul 25, 04:55 UTCJul 25, 07:50 UTC2h 55m
2026-07-24 ATN3348 SFO → AFW Jul 24, 08:45 UTCJul 24, 10:25 UTC1h 40m
2026-07-24 ATN3331 RFD → ABE Jul 24, 05:00 UTCJul 24, 06:00 UTC1h 0m
2026-07-23 ATN3323 ABE → AFW Jul 23, 15:30 UTCJul 23, 19:05 UTC3h 35m
2026-07-23 ATN3313 PDX → ANC Jul 23, 10:50 UTCJul 23, 11:40 UTC50m
2026-07-23 ATN3313 PDX → ANC Jul 23, 06:55 UTCJul 23, 07:05 UTC10m
2026-07-23 ATN3307 HNM → KOA Jul 23, 04:20 UTCJul 23, 04:35 UTC15m
2026-07-23 ATN3371 JFK → CVG Jul 23, 02:10 UTCJul 23, 02:25 UTC15m
2026-07-22 ATN3371 JFK → CVG Jul 22, 20:55 UTCJul 22, 21:35 UTC40m
2026-07-22 ATN4369 IAH → CVG Jul 22, 03:40 UTCJul 22, 04:00 UTC20m
2026-07-21 ATN3349 ATL → CVG Jul 21, 05:15 UTCJul 21, 10:30 UTC5h 15m
2026-07-20 ATN3434 CVG → ATL Jul 20, 13:25 UTCJul 20, 14:30 UTC1h 5m
2026-07-20 ATN3308 ABE → AFW Jul 20, 06:25 UTCJul 20, 06:35 UTC10m
2026-07-19 ATN3382 IAH → CVG Jul 19, 23:10 UTCJul 20, 04:35 UTC5h 25m
2026-07-19 ATN3369 ATL → CVG Jul 19, 12:55 UTCJul 19, 17:45 UTC4h 50m
2026-07-19 ATN3349 ATL → CVG Jul 19, 05:15 UTCJul 19, 10:20 UTC5h 5m
2026-07-19 ATN3318 SFO → ILN Jul 19, 00:55 UTCJul 19, 02:30 UTC1h 35m
2026-07-18 ATN3398 CVG → PHX Jul 18, 20:05 UTCJul 18, 23:20 UTC3h 15m
2026-07-18 ATN3359 ATL → CVG Jul 18, 10:05 UTCJul 18, 11:35 UTC1h 30m
2026-07-18 ATN3345 - Jul 18, 05:05 UTCJul 18, 06:20 UTC1h 15m
2026-07-17 ATN3315 - Jul 17, 19:05 UTCJul 17, 21:10 UTC2h 5m
2026-07-16 ATN3310 - Jul 16, 19:45 UTCJul 16, 22:00 UTC2h 15m
2026-07-16 ATN3384 - Jul 16, 14:50 UTCJul 16, 16:40 UTC1h 50m
2026-07-16 ATN3378 - Jul 16, 05:15 UTCJul 16, 07:05 UTC1h 50m
2026-07-15 ATN3359 JFK → CVG Jul 15, 10:25 UTCJul 15, 11:50 UTC1h 25m
2026-07-15 ATN3345 - Jul 15, 04:55 UTCJul 15, 06:20 UTC1h 25m
2026-07-14 ATN3343 - Jul 14, 18:45 UTCJul 14, 20:50 UTC2h 5m
2026-07-14 ATN3388 - Jul 14, 11:15 UTCJul 14, 14:10 UTC2h 55m
2026-07-14 ATN3330 - Jul 14, 04:55 UTCJul 14, 08:35 UTC3h 40m
2026-07-12 ATN3315 - Jul 12, 19:15 UTCJul 12, 21:10 UTC1h 55m
2026-07-11 ATN6211 - Jul 11, 22:45 UTCJul 11, 23:20 UTC35m
2026-07-08 ATN3344 - Jul 8, 06:00 UTCJul 8, 08:25 UTC2h 25m
2026-07-08 ATN3344 - Jul 8, 05:35 UTCJul 8, 05:55 UTC20m
2026-07-08 ATN3305 - Jul 8, 00:45 UTCJul 8, 03:30 UTC2h 45m
2026-07-07 ATN3310 - Jul 7, 19:55 UTCJul 7, 21:50 UTC1h 55m
2026-07-07 ATN3384 - Jul 7, 14:50 UTCJul 7, 16:50 UTC2h 0m
2026-07-07 ATN3374 - Jul 7, 04:05 UTCJul 7, 05:50 UTC1h 45m
2026-07-06 ATN3301 IAH → LAL Jul 6, 23:05 UTCJul 7, 00:55 UTC1h 50m
2026-07-06 ATN3370 - Jul 6, 15:30 UTCJul 6, 17:20 UTC1h 50m
2026-07-05 ATN3397 SEA → DEN Jul 5, 23:35 UTCJul 6, 01:40 UTC2h 5m
2026-07-04 ATN9703 - Jul 4, 16:35 UTCJul 4, 19:30 UTC2h 55m
2026-07-04 ATN3351 - Jul 4, 11:45 UTCJul 4, 14:55 UTC3h 10m
2026-07-03 ATN3337 SBD → SEA Jul 3, 06:55 UTCJul 3, 09:10 UTC2h 15m
2026-07-02 ATN3363 DEN → SBD Jul 2, 19:50 UTCJul 2, 21:45 UTC1h 55m
2026-07-02 ATN3340 - Jul 2, 15:45 UTCJul 2, 17:45 UTC2h 0m

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 N479AZ page for operator, model, and routing details .

Mode-S A5E2A1 frequently asked

What is Mode-S code A5E2A1?
A5E2A1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N479AZ.
Where is Mode-S A5E2A1 registered?
Mode-S code A5E2A1 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 A5E2A1 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5E2A1, octal 51361241, decimal 10,871,457.
What flights does A5E2A1 operate?
Mode-S A5E2A1 has broadcast 20 distinct callsigns, including ATN3370, ATN3356, ATN3374, ATN3357, ATN3344.