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sensors Mode-S transponder

A69E0C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N5251R · CESSNA 172 Skyhawk · operated by CORONA ROBERT

Hex
A69E0C
Octal
51517014
Decimal
10,919,436
Country
US
Tail
N5251R
Type
C172
No current signal · last broadcast Jul 25, 17:30 UTC
Flights observed
144
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 17:30 UTC

Last known position

Most recent position reported by Mode-S A69E0C.

Country allocation

The ICAO 24-bit address A69E0C 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
N5251R - 144 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N5251R - Jul 25, 16:25 UTCJul 25, 17:30 UTC1h 5m
2026-07-24 N5251R FRG → FRG Jul 24, 19:45 UTCJul 24, 20:30 UTC45m
2026-07-24 N5251R FRG → FRG Jul 24, 16:15 UTCJul 24, 17:10 UTC55m
2026-07-24 N5251R FRG → FRG Jul 24, 12:30 UTCJul 24, 12:50 UTC20m
2026-07-23 N5251R FRG → FRG Jul 23, 22:00 UTCJul 23, 22:45 UTC45m
2026-07-22 N5251R - Jul 22, 19:15 UTCJul 22, 19:35 UTC20m
2026-07-22 N5251R FRG → BDR Jul 22, 17:05 UTCJul 22, 18:40 UTC1h 35m
2026-07-15 N5251R - Jul 15, 17:40 UTCJul 15, 19:25 UTC1h 45m
2026-07-15 N5251R - Jul 15, 14:50 UTCJul 15, 15:40 UTC50m
2026-07-14 N5251R - Jul 14, 21:45 UTCJul 14, 22:55 UTC1h 9m
2026-07-14 N5251R - Jul 14, 20:10 UTCJul 14, 20:50 UTC40m
2026-07-10 N5251R - Jul 10, 13:20 UTCJul 10, 14:25 UTC1h 5m
2026-07-09 N5251R - Jul 9, 16:35 UTCJul 9, 17:55 UTC1h 20m
2026-07-09 N5251R - Jul 9, 14:40 UTCJul 9, 15:30 UTC50m
2026-07-09 N5251R - Jul 9, 13:05 UTCJul 9, 13:55 UTC50m
2026-07-08 N5251R FRG → FRG Jul 8, 22:55 UTCJul 9, 00:05 UTC1h 10m
2026-07-08 N5251R FRG → FRG Jul 8, 20:45 UTCJul 8, 22:15 UTC1h 30m
2026-07-08 N5251R - Jul 8, 19:05 UTCJul 8, 19:50 UTC45m
2026-07-08 N5251R - Jul 8, 17:10 UTCJul 8, 18:00 UTC50m
2026-07-08 N5251R FRG → FRG Jul 8, 15:15 UTCJul 8, 15:25 UTC10m
2026-07-08 N5251R - Jul 8, 12:25 UTCJul 8, 13:30 UTC1h 5m
2026-07-03 N5251R - Jul 3, 20:35 UTCJul 3, 21:35 UTC1h 0m
2026-07-03 N5251R FRG → FRG Jul 3, 13:35 UTCJul 3, 14:50 UTC1h 15m
2026-07-03 N5251R - Jul 3, 11:40 UTCJul 3, 12:50 UTC1h 10m
2026-07-02 N5251R FRG → FRG Jul 2, 21:40 UTCJul 2, 22:55 UTC1h 15m
2026-07-02 N5251R - Jul 2, 14:40 UTCJul 2, 16:00 UTC1h 20m
2026-07-02 N5251R - Jul 2, 13:05 UTCJul 2, 13:55 UTC50m
2026-07-01 N5251R FRG → FRG Jul 1, 19:30 UTCJul 1, 20:25 UTC55m
2026-07-01 N5251R - Jul 1, 16:30 UTCJul 1, 17:35 UTC1h 5m
2026-07-01 N5251R - Jul 1, 12:40 UTCJul 1, 14:25 UTC1h 45m
2026-06-30 N5251R FRG → FRG Jun 30, 18:30 UTCJun 30, 21:10 UTC2h 40m
2026-06-30 N5251R - Jun 30, 16:15 UTCJun 30, 17:20 UTC1h 5m
2026-06-30 N5251R FRG → FRG Jun 30, 14:05 UTCJun 30, 15:10 UTC1h 5m
2026-06-30 N5251R - Jun 30, 00:35 UTCJun 30, 02:10 UTC1h 35m
2026-06-29 N5251R - Jun 29, 22:35 UTCJun 29, 23:54 UTC1h 20m
2026-06-29 N5251R - Jun 29, 14:09 UTCJun 29, 15:19 UTC1h 10m
2026-06-29 N5251R - Jun 29, 02:14 UTCJun 29, 03:49 UTC1h 35m
2026-06-28 N5251R - Jun 28, 22:15 UTCJun 28, 23:50 UTC1h 35m
2026-06-28 N5251R - Jun 28, 15:40 UTCJun 28, 16:45 UTC1h 5m
2026-06-27 N5251R FRG → FRG Jun 27, 15:10 UTCJun 27, 16:35 UTC1h 25m
2026-06-27 N5251R - Jun 27, 14:09 UTCJun 27, 14:35 UTC25m
2026-06-27 N5251R - Jun 27, 12:34 UTCJun 27, 13:04 UTC30m
2026-06-25 N5251R FRG → FRG Jun 25, 19:24 UTCJun 25, 20:19 UTC55m
2026-06-24 N5251R - Jun 24, 22:29 UTCJun 24, 22:55 UTC25m
2026-06-24 N5251R - Jun 24, 20:49 UTCJun 24, 21:40 UTC50m
2026-06-24 N5251R - Jun 24, 18:29 UTCJun 24, 19:39 UTC1h 10m
2026-06-24 N5251R - Jun 24, 13:24 UTCJun 24, 15:14 UTC1h 50m
2026-06-21 N5251R FRG → FRG Jun 21, 15:19 UTCJun 21, 16:19 UTC1h 0m
2026-06-20 N5251R OCE → FRG Jun 20, 02:14 UTCJun 20, 04:14 UTC2h 0m
2026-06-19 N5251R FRG → OCE Jun 19, 20:49 UTCJun 19, 22:49 UTC2h 0m

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 N5251R page for operator, model, and routing details .

Mode-S A69E0C frequently asked

What is Mode-S code A69E0C?
A69E0C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N5251R.
Where is Mode-S A69E0C registered?
Mode-S code A69E0C 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 A69E0C broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 17:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A69E0C, octal 51517014, decimal 10,919,436.
What flights does A69E0C operate?
Mode-S A69E0C has broadcast 1 distinct callsign, including N5251R.