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sensors Mode-S transponder

A01A1E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N1053X · CESSNA 172 Skyhawk · operated by CHRISTIANSEN AVIATION LLC

Hex
A01A1E
Octal
50015036
Decimal
10,492,446
Country
US
Tail
N1053X
Type
C172
No current signal · last broadcast 2h ago
Flights observed
191
Distinct callsigns
1
Country
US
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S A01A1E.

Country allocation

The ICAO 24-bit address A01A1E 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
N1053X - 191 2026-07-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 N1053X - Jul 15, 00:30 UTCJul 15, 02:35 UTC2h 5m
2026-07-14 N1053X - Jul 14, 23:30 UTCJul 14, 23:45 UTC15m
2026-07-14 N1053X - Jul 14, 22:35 UTCJul 14, 23:00 UTC24m
2026-07-14 N1053X OJC → OJC Jul 14, 20:45 UTCJul 14, 21:55 UTC1h 10m
2026-07-14 N1053X - Jul 14, 18:45 UTCJul 14, 19:50 UTC1h 5m
2026-07-14 N1053X - Jul 14, 16:50 UTCJul 14, 17:55 UTC1h 5m
2026-07-14 N1053X - Jul 14, 15:45 UTCJul 14, 16:05 UTC20m
2026-07-14 N1053X - Jul 14, 14:50 UTCJul 14, 15:15 UTC25m
2026-07-14 N1053X - Jul 14, 03:15 UTCJul 14, 03:50 UTC35m
2026-07-14 N1053X - Jul 14, 01:05 UTCJul 14, 01:45 UTC40m
2026-07-13 N1053X OJC → OJC Jul 13, 21:20 UTCJul 13, 21:55 UTC35m
2026-07-13 N1053X - Jul 13, 19:15 UTCJul 13, 20:05 UTC50m
2026-07-13 N1053X - Jul 13, 17:05 UTCJul 13, 18:00 UTC55m
2026-07-12 N1053X OJC → OJC Jul 12, 14:50 UTCJul 12, 15:55 UTC1h 5m
2026-07-11 N1053X - Jul 11, 19:40 UTCJul 11, 21:10 UTC1h 30m
2026-07-11 N1053X - Jul 11, 15:05 UTCJul 11, 16:45 UTC1h 40m
2026-07-08 N1053X OJC → OJC Jul 8, 13:05 UTCJul 8, 13:35 UTC30m
2026-07-07 N1053X - Jul 7, 22:50 UTCJul 8, 00:00 UTC1h 10m
2026-07-07 N1053X OJC → OJC Jul 7, 21:05 UTCJul 7, 21:40 UTC35m
2026-07-07 N1053X OJC → OJC Jul 7, 19:00 UTCJul 7, 19:50 UTC50m
2026-07-07 N1053X OJC → OJC Jul 7, 17:15 UTCJul 7, 18:00 UTC45m
2026-07-07 N1053X - Jul 7, 15:35 UTCJul 7, 16:05 UTC30m
2026-07-07 N1053X - Jul 7, 14:10 UTCJul 7, 14:35 UTC25m
2026-07-06 N1053X OJC → OJC Jul 6, 23:00 UTCJul 7, 00:10 UTC1h 10m
2026-07-06 N1053X - Jul 6, 21:10 UTCJul 6, 21:55 UTC45m
2026-07-06 N1053X - Jul 6, 18:45 UTCJul 6, 19:45 UTC1h 0m
2026-07-05 N1053X OJC → OJC Jul 5, 20:50 UTCJul 5, 21:40 UTC50m
2026-07-05 N1053X OJC → OJC Jul 5, 14:55 UTCJul 5, 15:50 UTC55m
2026-07-04 N1053X OJC → OJC Jul 4, 12:40 UTCJul 4, 13:45 UTC1h 5m
2026-07-03 N1053X - Jul 3, 20:45 UTCJul 3, 21:45 UTC1h 0m
2026-07-03 N1053X OJC → OJC Jul 3, 20:15 UTCJul 3, 20:25 UTC10m
2026-07-03 N1053X - Jul 3, 15:10 UTCJul 3, 16:40 UTC1h 30m
2026-07-02 N1053X OJC → OJC Jul 2, 20:45 UTCJul 2, 21:40 UTC55m
2026-07-01 N1053X - Jul 1, 23:35 UTCJul 2, 00:05 UTC30m
2026-07-01 N1053X - Jul 1, 22:40 UTCJul 1, 23:00 UTC20m
2026-07-01 N1053X - Jul 1, 21:20 UTCJul 1, 21:55 UTC35m
2026-07-01 N1053X OJC → OJC Jul 1, 21:05 UTCJul 1, 21:10 UTC5m
2026-07-01 N1053X OJC → OJC Jul 1, 20:45 UTCJul 1, 21:00 UTC15m
2026-07-01 N1053X - Jul 1, 17:00 UTCJul 1, 18:05 UTC1h 5m
2026-07-01 N1053X OJC → OJC Jul 1, 16:40 UTCJul 1, 16:50 UTC10m
2026-07-01 N1053X OJC → OJC Jul 1, 16:25 UTCJul 1, 16:35 UTC10m
2026-07-01 N1053X - Jul 1, 00:25 UTCJul 1, 01:10 UTC45m
2026-06-30 N1053X OJC → OJC Jun 30, 22:10 UTCJun 30, 23:05 UTC55m
2026-06-29 N1053X - Jun 29, 14:29 UTCJun 29, 15:14 UTC45m
2026-06-28 N1053X OJC → OJC Jun 28, 15:14 UTCJun 28, 16:05 UTC50m
2026-06-27 N1053X - Jun 27, 21:50 UTCJun 27, 22:04 UTC15m
2026-06-27 N1053X - Jun 27, 20:39 UTCJun 27, 21:15 UTC35m
2026-06-27 N1053X - Jun 27, 19:05 UTCJun 27, 19:29 UTC25m
2026-06-26 N1053X - Jun 26, 20:44 UTCJun 26, 21:45 UTC1h 0m
2026-06-25 N1053X - Jun 25, 13:05 UTCJun 25, 13:29 UTC25m

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 N1053X page for operator, model, and routing details .

Mode-S A01A1E frequently asked

What is Mode-S code A01A1E?
A01A1E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N1053X.
Where is Mode-S A01A1E registered?
Mode-S code A01A1E 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 A01A1E broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A01A1E, octal 50015036, decimal 10,492,446.
What flights does A01A1E operate?
Mode-S A01A1E has broadcast 1 distinct callsign, including N1053X.