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sensors Mode-S transponder

A05ED4

ICAO 24-bit transponder address · allocated to United States

Hex
A05ED4
Octal
50057324
Decimal
10,510,036
Country
US
No current signal · last broadcast 5d ago
Flights observed
48
Distinct callsigns
1
Country
US
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S A05ED4.

Country allocation

The ICAO 24-bit address A05ED4 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
10653 - 48 2026-07-22

Recent flights last 48

DateFlightRouteTakeoffLandingDuration
2026-07-22 10653 - Jul 22, 19:05 UTCJul 22, 20:25 UTC1h 20m
2026-07-22 10653 - Jul 22, 17:40 UTCJul 22, 18:05 UTC25m
2026-07-22 10653 KRK → KRK Jul 22, 16:25 UTCJul 22, 16:45 UTC20m
2026-07-22 10653 - Jul 22, 15:05 UTCJul 22, 15:25 UTC20m
2026-07-22 10653 - Jul 22, 13:25 UTCJul 22, 13:40 UTC15m
2026-07-16 10653 - Jul 16, 14:29 UTCJul 16, 14:40 UTC10m
2026-07-16 10653 - Jul 16, 10:45 UTCJul 16, 11:20 UTC35m
2026-07-09 10653 - Jul 9, 11:45 UTCJul 9, 12:45 UTC1h 0m
2026-07-08 10653 - Jul 8, 19:10 UTCJul 8, 21:10 UTC2h 0m
2026-07-08 10653 - Jul 8, 17:30 UTCJul 8, 18:10 UTC40m
2026-07-08 10653 - Jul 8, 16:20 UTCJul 8, 17:20 UTC1h 0m
2026-07-07 10653 - Jul 7, 20:05 UTCJul 7, 21:10 UTC1h 5m
2026-07-07 10653 - Jul 7, 14:55 UTCJul 7, 15:25 UTC30m
2026-07-01 10653 - Jul 1, 10:40 UTCJul 1, 11:10 UTC30m
2026-06-25 10653 KRK → KRK Jun 25, 19:24 UTCJun 25, 20:05 UTC40m
2026-06-23 10653 - Jun 23, 19:29 UTCJun 23, 20:04 UTC35m
2026-06-20 10653 KRK → KRK Jun 20, 06:14 UTCJun 20, 06:24 UTC10m
2026-06-15 10653 KRK → KRK Jun 15, 06:30 UTCJun 15, 06:45 UTC15m
2026-06-14 10653 - Jun 14, 11:05 UTCJun 14, 11:15 UTC10m
2026-06-13 10653 KRK → KRK Jun 13, 06:20 UTCJun 13, 06:45 UTC25m
2026-06-04 10653 - Jun 4, 19:15 UTCJun 4, 19:50 UTC35m
2026-05-14 10653 - May 14, 20:30 UTCMay 14, 20:40 UTC10m
2026-05-14 10653 - May 14, 19:25 UTCMay 14, 19:35 UTC10m
2026-05-14 10653 - May 14, 17:20 UTCMay 14, 17:35 UTC15m
2026-05-14 10653 - May 14, 15:50 UTCMay 14, 16:00 UTC10m
2026-05-11 10653 - May 11, 16:20 UTCMay 11, 16:30 UTC10m
2026-05-11 10653 - May 11, 14:35 UTCMay 11, 14:55 UTC20m
2026-05-05 10653 - May 5, 20:01 UTCMay 5, 21:40 UTC1h 40m
2026-05-05 10653 - May 5, 17:30 UTCMay 5, 19:10 UTC1h 40m
2026-05-04 10653 KRK → KRK May 4, 20:40 UTCMay 4, 21:35 UTC55m
2026-05-04 10653 - May 4, 18:50 UTCMay 4, 19:50 UTC1h 0m
2026-05-04 10653 - May 4, 15:05 UTCMay 4, 16:45 UTC1h 40m
2026-05-04 10653 - May 4, 11:20 UTCMay 4, 13:25 UTC2h 5m
2026-04-27 10653 - Apr 27, 21:15 UTCApr 27, 22:55 UTC1h 40m
2026-04-27 10653 - Apr 27, 18:40 UTCApr 27, 20:20 UTC1h 40m
2026-04-27 10653 KRK → KRK Apr 27, 17:00 UTCApr 27, 17:10 UTC10m
2026-04-27 10653 - Apr 27, 16:40 UTCApr 27, 16:50 UTC10m
2026-04-27 10653 - Apr 27, 15:50 UTCApr 27, 16:00 UTC10m
2026-04-27 10653 - Apr 27, 11:15 UTCApr 27, 11:25 UTC10m
2026-04-27 10653 - Apr 27, 10:20 UTCApr 27, 10:40 UTC20m
2026-04-25 10653 KRK → KRK Apr 25, 05:45 UTCApr 25, 06:00 UTC15m
2026-04-23 10653 - Apr 23, 16:10 UTCApr 23, 16:40 UTC30m
2026-04-23 10653 - Apr 23, 10:45 UTCApr 23, 11:10 UTC25m
2026-04-23 10653 - Apr 23, 10:30 UTCApr 23, 10:40 UTC10m
2026-04-23 10653 - Apr 23, 09:25 UTCApr 23, 10:25 UTC1h 0m
2026-04-23 10653 KRK → KRK Apr 23, 07:45 UTCApr 23, 08:35 UTC50m
2026-04-14 10653 - Apr 14, 18:55 UTCApr 14, 19:05 UTC10m
2026-04-14 10653 - Apr 14, 18:30 UTCApr 14, 18:45 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.

Mode-S A05ED4 frequently asked

What is Mode-S code A05ED4?
A05ED4 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A05ED4 registered?
Mode-S code A05ED4 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 A05ED4 broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A05ED4, octal 50057324, decimal 10,510,036.
What flights does A05ED4 operate?
Mode-S A05ED4 has broadcast 1 distinct callsign, including 10653.