Apparatus

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sensors Mode-S transponder

A7D62D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N604AT · operated by BROWNING LARRY L

Hex
A7D62D
Octal
51753055
Decimal
10,999,341
Country
US
Tail
N604AT
No current signal · last broadcast Jul 25, 17:20 UTC
Flights observed
56
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 17:20 UTC

Last known position

Most recent position reported by Mode-S A7D62D.

Country allocation

The ICAO 24-bit address A7D62D 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 1 distinct

Callsign Airline Flights Last seen
N604AT - 56 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N604AT - Jul 25, 17:05 UTCJul 25, 17:20 UTC15m
2026-07-25 N604AT - Jul 25, 02:45 UTCJul 25, 03:00 UTC15m
2026-07-23 N604AT - Jul 23, 21:25 UTCJul 23, 21:40 UTC15m
2026-07-22 N604AT - Jul 22, 21:50 UTCJul 22, 22:05 UTC15m
2026-07-19 N604AT - Jul 19, 01:20 UTCJul 19, 01:35 UTC15m
2026-07-18 N604AT - Jul 18, 18:10 UTCJul 18, 18:25 UTC15m
2026-07-18 N604AT - Jul 18, 03:35 UTCJul 18, 04:00 UTC25m
2026-07-17 N604AT - Jul 17, 18:40 UTCJul 17, 19:00 UTC20m
2026-07-11 N604AT - Jul 11, 23:25 UTCJul 11, 23:45 UTC20m
2026-07-11 N604AT - Jul 11, 22:40 UTCJul 11, 22:55 UTC15m
2026-07-11 N604AT TWD → LPS Jul 11, 19:50 UTCJul 11, 20:10 UTC20m
2026-06-29 N604AT - Jun 29, 02:39 UTCJun 29, 02:59 UTC20m
2026-06-28 N604AT - Jun 28, 23:14 UTCJun 29, 00:00 UTC45m
2026-06-27 N604AT - Jun 27, 01:09 UTCJun 27, 02:09 UTC1h 0m
2026-06-26 N604AT - Jun 26, 16:09 UTCJun 26, 17:25 UTC1h 15m
2026-06-22 N604AT - Jun 22, 21:45 UTCJun 22, 22:40 UTC55m
2026-06-22 N604AT - Jun 22, 20:00 UTCJun 22, 20:34 UTC35m
2026-06-22 N604AT - Jun 22, 19:05 UTCJun 22, 19:19 UTC15m
2026-06-18 N604AT - Jun 18, 01:50 UTCJun 18, 02:00 UTC10m
2026-06-17 N604AT - Jun 17, 22:35 UTCJun 17, 23:20 UTC45m
2026-06-17 N604AT - Jun 17, 15:00 UTCJun 17, 15:55 UTC55m
2026-06-17 N604AT - Jun 17, 03:35 UTCJun 17, 03:50 UTC15m
2026-06-17 N604AT TWD → PAE Jun 17, 02:50 UTCJun 17, 03:05 UTC15m
2026-06-15 N604AT - Jun 15, 20:25 UTCJun 15, 20:34 UTC10m
2026-06-15 N604AT - Jun 15, 19:30 UTCJun 15, 19:39 UTC10m
2026-06-15 N604AT - Jun 15, 18:29 UTCJun 15, 18:50 UTC20m
2026-06-15 N604AT LPS → TWD Jun 15, 01:04 UTCJun 15, 01:20 UTC15m
2026-05-22 N604AT - May 22, 20:45 UTCMay 22, 21:45 UTC1h 0m
2026-05-22 N604AT - May 22, 19:45 UTCMay 22, 20:05 UTC20m
2026-05-20 N604AT ESD → LPS May 20, 22:05 UTCMay 20, 22:15 UTC10m
2026-05-20 N604AT - May 20, 18:20 UTCMay 20, 18:55 UTC35m
2026-05-20 N604AT - May 20, 17:20 UTCMay 20, 17:45 UTC25m
2026-05-18 N604AT - May 18, 03:05 UTCMay 18, 03:30 UTC25m
2026-05-17 N604AT - May 17, 19:40 UTCMay 17, 20:01 UTC20m
2026-05-15 N604AT - May 15, 20:15 UTCMay 15, 20:30 UTC15m
2026-05-15 N604AT - May 15, 18:20 UTCMay 15, 18:35 UTC15m
2026-05-02 N604AT - May 2, 03:55 UTCMay 2, 04:15 UTC20m
2026-05-01 N604AT - May 1, 23:05 UTCMay 1, 23:25 UTC20m
2026-05-01 N604AT - May 1, 00:00 UTCMay 1, 00:10 UTC10m
2026-04-30 N604AT - Apr 30, 19:25 UTCApr 30, 19:35 UTC10m
2026-04-27 N604AT - Apr 27, 05:45 UTCApr 27, 06:00 UTC15m
2026-04-26 N604AT LPS → BLI Apr 26, 21:05 UTCApr 26, 21:20 UTC15m
2026-04-25 N604AT - Apr 25, 03:40 UTCApr 25, 03:55 UTC15m
2026-04-24 N604AT - Apr 24, 23:05 UTCApr 24, 23:25 UTC20m
2026-04-22 N604AT ESD → LPS Apr 22, 03:00 UTCApr 22, 03:10 UTC10m
2026-04-21 N604AT LPS → ESD Apr 21, 19:10 UTCApr 21, 19:20 UTC10m
2026-04-21 N604AT ESD → LPS Apr 21, 01:00 UTCApr 21, 01:10 UTC10m
2026-04-20 N604AT - Apr 20, 19:40 UTCApr 20, 19:50 UTC10m
2026-04-20 N604AT - Apr 20, 02:35 UTCApr 20, 02:50 UTC15m
2026-04-19 N604AT - Apr 19, 20:15 UTCApr 19, 20:30 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 N604AT page for operator, model, and routing details .

Mode-S A7D62D frequently asked

What is Mode-S code A7D62D?
A7D62D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N604AT.
Where is Mode-S A7D62D registered?
Mode-S code A7D62D 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 A7D62D broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 17:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7D62D, octal 51753055, decimal 10,999,341.
What flights does A7D62D operate?
Mode-S A7D62D has broadcast 1 distinct callsign, including N604AT.