Apparatus

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sensors Mode-S transponder

A34AA0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N311AZ · BOEING 767-300 · operated by CARGO AIRCRAFT MANAGEMENT INC

Hex
A34AA0
Octal
50645240
Decimal
10,701,472
Country
US
Tail
N311AZ
Type
B763
No current signal · last broadcast 3h ago
Flights observed
234
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A34AA0.

Country allocation

The ICAO 24-bit address A34AA0 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
ATN3373 - 6 2026-07-09
ATN3342 - 6 2026-07-11
ATN3311 - 6 2026-07-01
ATN3379 Air Transport International 5 2026-04-27
ATN3347 - 5 2026-07-06
ATN3328 Air Transport International 5 2026-06-21
ATN3314 - 5 2026-07-06
ATN9703 Air Transport International 4 2026-06-26
ATN3397 Air Transport International 4 2026-06-25
ATN3395 Air Transport International 4 2026-06-26
ATN3390 - 4 2026-07-11
ATN3368 Air Transport International 4 2026-05-24
ATN3367 - 4 2026-07-02
ATN3358 - 4 2026-07-09
ATN3356 Air Transport International 4 2026-06-05
ATN3354 - 4 2026-07-06
ATN3351 Air Transport International 4 2026-06-26
ATN3332 - 4 2026-07-12
ATN3306 - 4 2026-06-30
ATN3302 - 4 2026-06-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ATN3375 - Jul 14, 07:50 UTCJul 14, 08:35 UTC45m
2026-07-13 ATN3322 - Jul 13, 20:25 UTCJul 14, 00:40 UTC4h 15m
2026-07-13 ATN3338 - Jul 13, 12:35 UTCJul 13, 16:35 UTC4h 0m
2026-07-13 ATN3372 - Jul 13, 04:40 UTCJul 13, 05:31 UTC50m
2026-07-12 ATN3332 - Jul 12, 22:20 UTCJul 12, 23:15 UTC55m
2026-07-12 ATN3355 - Jul 12, 17:30 UTCJul 12, 19:30 UTC2h 0m
2026-07-12 ATN3381 AUS → BDL Jul 12, 07:35 UTCJul 12, 10:45 UTC3h 10m
2026-07-12 ATN3319 PHX → AUS Jul 12, 03:20 UTCJul 12, 05:10 UTC1h 50m
2026-07-11 ATN3339 AUS → PHX Jul 11, 22:35 UTCJul 12, 00:35 UTC2h 0m
2026-07-11 ATN3342 - Jul 11, 10:05 UTCJul 11, 13:35 UTC3h 30m
2026-07-11 ATN3390 - Jul 11, 04:45 UTCJul 11, 06:05 UTC1h 20m
2026-07-09 ATN3373 - Jul 9, 22:35 UTCJul 9, 23:30 UTC55m
2026-07-09 ATN3358 - Jul 9, 19:15 UTCJul 9, 20:10 UTC55m
2026-07-09 ATN3375 - Jul 9, 08:25 UTCJul 9, 09:25 UTC1h 0m
2026-07-09 ATN3372 - Jul 9, 04:50 UTCJul 9, 05:40 UTC50m
2026-07-08 ATN3332 - Jul 8, 23:00 UTCJul 9, 00:00 UTC1h 0m
2026-07-08 ATN3355 RFD → ILN Jul 8, 18:50 UTCJul 8, 20:45 UTC1h 55m
2026-07-08 ATN3381 - Jul 8, 10:00 UTCJul 8, 10:50 UTC50m
2026-07-08 ATN3381 - Jul 8, 07:40 UTCJul 8, 09:55 UTC2h 15m
2026-07-08 ATN3319 PHX → AUS Jul 8, 03:30 UTCJul 8, 05:20 UTC1h 50m
2026-07-07 ATN3339 IAH → CVG Jul 7, 22:55 UTCJul 8, 00:50 UTC1h 55m
2026-07-07 ATN3342 - Jul 7, 10:05 UTCJul 7, 13:40 UTC3h 35m
2026-07-07 ATN3390 - Jul 7, 04:35 UTCJul 7, 05:55 UTC1h 20m
2026-07-06 ATN3347 - Jul 6, 21:05 UTCJul 6, 22:10 UTC1h 5m
2026-07-06 ATN3354 - Jul 6, 16:50 UTCJul 6, 19:00 UTC2h 10m
2026-07-06 ATN3314 - Jul 6, 11:45 UTCJul 6, 13:30 UTC1h 45m
2026-07-06 ATN3350 - Jul 6, 04:30 UTCJul 6, 05:25 UTC55m
2026-07-02 ATN3394 - Jul 2, 16:40 UTCJul 2, 19:45 UTC3h 5m
2026-07-02 ATN3367 - Jul 2, 06:51 UTCJul 2, 08:20 UTC1h 29m
2026-07-02 ATN3318 PHX → SMF Jul 2, 01:00 UTCJul 2, 02:35 UTC1h 35m
2026-07-01 ATN3398 - Jul 1, 19:40 UTCJul 1, 23:05 UTC3h 25m
2026-07-01 ATN3311 - Jul 1, 10:20 UTCJul 1, 12:25 UTC2h 5m
2026-07-01 ATN3321 - Jul 1, 05:05 UTCJul 1, 07:35 UTC2h 30m
2026-06-30 ATN3385 - Jun 30, 21:30 UTCJun 30, 22:55 UTC1h 25m
2026-06-30 ATN3376 - Jun 30, 17:15 UTCJun 30, 19:05 UTC1h 50m
2026-06-30 ATN3306 - Jun 30, 01:14 UTCJun 30, 03:05 UTC1h 50m
2026-06-29 ATN3327 - Jun 29, 18:44 UTCJun 29, 20:19 UTC1h 35m
2026-06-28 ATN4305 - Jun 28, 17:55 UTCJun 28, 21:30 UTC3h 35m
2026-06-28 ATN3360 HNL → LIH Jun 28, 13:04 UTCJun 28, 15:49 UTC2h 45m
2026-06-28 ATN3374 - Jun 28, 08:44 UTCJun 28, 10:30 UTC1h 45m
2026-06-27 ATN3301 - Jun 27, 23:14 UTCJun 28, 00:59 UTC1h 45m
2026-06-27 ATN3370 - Jun 27, 15:10 UTCJun 27, 16:59 UTC1h 50m
2026-06-27 ATN6776 SBD → DEN Jun 27, 06:15 UTCJun 27, 07:59 UTC1h 45m
2026-06-27 ATN3399 SEA → SBD Jun 27, 01:35 UTCJun 27, 03:30 UTC1h 55m
2026-06-26 ATN9703 LIH → ONT Jun 26, 15:29 UTCJun 26, 18:39 UTC3h 10m
2026-06-26 ATN3351 AFW → SFO Jun 26, 10:10 UTCJun 26, 12:59 UTC2h 50m
2026-06-26 ATN3395 AFW → SEA Jun 26, 04:45 UTCJun 26, 07:05 UTC2h 20m
2026-06-25 ATN3397 SEA → DEN Jun 25, 23:30 UTCJun 26, 02:00 UTC2h 30m
2026-06-25 ATN9703 LIH → ONT Jun 25, 17:34 UTCJun 25, 20:39 UTC3h 5m
2026-06-25 ATN3351 AFW → SFO Jun 25, 12:44 UTCJun 25, 15:50 UTC3h 5m

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 N311AZ page for operator, model, and routing details .

Mode-S A34AA0 frequently asked

What is Mode-S code A34AA0?
A34AA0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N311AZ.
Where is Mode-S A34AA0 registered?
Mode-S code A34AA0 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 A34AA0 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 A34AA0, octal 50645240, decimal 10,701,472.
What flights does A34AA0 operate?
Mode-S A34AA0 has broadcast 20 distinct callsigns, including ATN3373, ATN3342, ATN3311, ATN3379, ATN3347.