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sensors Mode-S transponder

A6EA8B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N545AM · operated by MIDWEST CORPORATE AIR INC

Hex
A6EA8B
Octal
51565213
Decimal
10,939,019
Country
US
Tail
N545AM
Type
DA40
No current signal · last broadcast 4d ago
Flights observed
136
Distinct callsigns
1
Country
US
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S A6EA8B.

Country allocation

The ICAO 24-bit address A6EA8B 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
N545AM - 135 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N545AM - Jul 25, 20:55 UTCJul 25, 21:20 UTC25m
2026-07-25 N545AM - Jul 25, 18:50 UTCJul 25, 19:40 UTC50m
2026-07-25 N545AM - Jul 25, 16:40 UTCJul 25, 16:50 UTC10m
2026-07-25 N545AM - Jul 25, 03:20 UTCJul 25, 05:05 UTC1h 45m
2026-07-24 N545AM - Jul 24, 21:05 UTCJul 24, 21:25 UTC20m
2026-07-24 N545AM - Jul 24, 15:15 UTCJul 24, 15:45 UTC30m
2026-07-23 N545AM - Jul 23, 16:55 UTCJul 23, 17:15 UTC20m
2026-07-23 N545AM - Jul 23, 00:45 UTCJul 23, 01:45 UTC1h 0m
2026-07-22 N545AM - Jul 22, 22:55 UTCJul 22, 23:40 UTC45m
2026-07-22 N545AM - Jul 22, 19:05 UTCJul 22, 19:40 UTC35m
2026-07-22 N545AM - Jul 22, 17:20 UTCJul 22, 17:35 UTC15m
2026-07-22 N545AM - Jul 22, 15:10 UTCJul 22, 15:45 UTC35m
2026-07-21 N545AM - Jul 21, 18:55 UTCJul 21, 19:25 UTC30m
2026-07-20 N545AM - Jul 20, 22:45 UTCJul 20, 23:05 UTC20m
2026-07-20 N545AM - Jul 20, 20:40 UTCJul 20, 21:05 UTC25m
2026-07-20 N545AM - Jul 20, 18:55 UTCJul 20, 19:25 UTC30m
2026-07-20 N545AM - Jul 20, 14:15 UTCJul 20, 15:25 UTC1h 10m
2026-07-20 N545AM - Jul 20, 12:55 UTCJul 20, 13:30 UTC35m
2026-07-19 N545AM - Jul 19, 22:55 UTCJul 19, 23:25 UTC30m
2026-07-19 N545AM - Jul 19, 20:45 UTCJul 19, 21:05 UTC20m
2026-07-19 N545AM - Jul 19, 17:10 UTCJul 19, 17:20 UTC10m
2026-07-18 N545AM - Jul 18, 18:00 UTCJul 18, 18:15 UTC15m
2026-07-18 N545AM - Jul 18, 14:55 UTCJul 18, 15:30 UTC35m
2026-07-17 N545AM - Jul 17, 00:40 UTCJul 17, 00:55 UTC15m
2026-07-16 N545AM - Jul 16, 21:00 UTCJul 16, 21:19 UTC20m
2026-07-16 N545AM - Jul 16, 12:40 UTCJul 16, 13:10 UTC30m
2026-07-15 N545AM - Jul 15, 21:20 UTCJul 15, 21:35 UTC15m
2026-07-15 N545AM - Jul 15, 19:30 UTCJul 15, 19:45 UTC15m
2026-07-15 N545AM - Jul 15, 17:45 UTCJul 15, 18:05 UTC20m
2026-07-15 N545AM - Jul 15, 13:15 UTCJul 15, 13:55 UTC40m
2026-07-14 N545AM - Jul 14, 23:35 UTCJul 15, 00:00 UTC25m
2026-07-14 N545AM - Jul 14, 21:10 UTCJul 14, 21:30 UTC20m
2026-07-14 N545AM - Jul 14, 19:30 UTCJul 14, 19:45 UTC15m
2026-07-14 N545AM - Jul 14, 15:30 UTCJul 14, 16:05 UTC35m
2026-07-13 N545AM - Jul 13, 23:15 UTCJul 13, 23:50 UTC35m
2026-07-13 N545AM - Jul 13, 20:40 UTCJul 13, 21:10 UTC30m
2026-07-13 N545AM - Jul 13, 17:05 UTCJul 13, 17:40 UTC35m
2026-07-13 N545AM - Jul 13, 15:15 UTCJul 13, 15:50 UTC35m
2026-07-13 N545AM - Jul 13, 13:00 UTCJul 13, 13:55 UTC55m
2026-07-12 N545AM - Jul 12, 21:10 UTCJul 12, 21:35 UTC25m
2026-07-12 N545AM - Jul 12, 15:25 UTCJul 12, 15:50 UTC25m
2026-07-12 N545AM - Jul 12, 12:55 UTCJul 12, 13:45 UTC50m
2026-07-11 N545AM - Jul 11, 16:35 UTCJul 11, 17:10 UTC35m
2026-07-11 N545AM - Jul 11, 13:30 UTCJul 11, 14:00 UTC30m
2026-07-10 N545AM - Jul 10, 17:15 UTCJul 10, 17:35 UTC20m
2026-07-10 N545AM - Jul 10, 14:50 UTCJul 10, 15:25 UTC35m
2026-07-08 N545AM - Jul 8, 22:50 UTCJul 8, 23:30 UTC40m
2026-07-08 N545AM - Jul 8, 16:50 UTCJul 8, 17:30 UTC40m
2026-07-08 N545AM - Jul 8, 15:05 UTCJul 8, 15:50 UTC45m
2026-07-08 N545AM - Jul 8, 12:55 UTCJul 8, 13:40 UTC45m

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 N545AM page for operator, model, and routing details .

Mode-S A6EA8B frequently asked

What is Mode-S code A6EA8B?
A6EA8B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N545AM.
Where is Mode-S A6EA8B registered?
Mode-S code A6EA8B 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 A6EA8B broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6EA8B, octal 51565213, decimal 10,939,019.
What flights does A6EA8B operate?
Mode-S A6EA8B has broadcast 1 distinct callsign, including N545AM.