Apparatus

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sensors Mode-S transponder

A69E69

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N5254D · CESSNA 172 Skyhawk · operated by R&R AERO SERVICES LLC

Hex
A69E69
Octal
51517151
Decimal
10,919,529
Country
US
Tail
N5254D
Type
C172
No current signal · last broadcast 13h ago
Flights observed
213
Distinct callsigns
1
Country
US
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S A69E69.

Country allocation

The ICAO 24-bit address A69E69 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
N5254D - 213 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N5254D - Jul 14, 00:55 UTCJul 14, 01:45 UTC50m
2026-07-13 N5254D FCM → FCM Jul 13, 16:00 UTCJul 13, 18:35 UTC2h 35m
2026-07-10 N5254D - Jul 10, 23:20 UTCJul 10, 23:45 UTC25m
2026-07-10 N5254D - Jul 10, 19:15 UTCJul 10, 19:45 UTC30m
2026-07-10 N5254D FCM → FCM Jul 10, 16:20 UTCJul 10, 17:40 UTC1h 20m
2026-07-10 N5254D FCM → FCM Jul 10, 14:25 UTCJul 10, 15:05 UTC40m
2026-07-10 N5254D FCM → FCM Jul 10, 04:30 UTCJul 10, 04:50 UTC20m
2026-07-10 N5254D FCM → FCM Jul 10, 01:50 UTCJul 10, 02:30 UTC40m
2026-07-09 N5254D - Jul 9, 23:50 UTCJul 10, 00:15 UTC25m
2026-07-09 N5254D - Jul 9, 22:50 UTCJul 9, 23:15 UTC25m
2026-07-07 N5254D FCM → FCM Jul 7, 15:15 UTCJul 7, 16:45 UTC1h 30m
2026-07-07 N5254D - Jul 7, 12:55 UTCJul 7, 14:15 UTC1h 20m
2026-07-07 N5254D - Jul 7, 00:55 UTCJul 7, 01:55 UTC1h 0m
2026-07-06 N5254D - Jul 6, 22:10 UTCJul 6, 22:55 UTC45m
2026-07-06 N5254D FCM → FCM Jul 6, 17:20 UTCJul 6, 18:55 UTC1h 35m
2026-07-06 N5254D FCM → FCM Jul 6, 14:40 UTCJul 6, 16:10 UTC1h 30m
2026-07-06 N5254D FCM → FCM Jul 6, 05:45 UTCJul 6, 07:15 UTC1h 30m
2026-07-05 N5254D - Jul 5, 23:35 UTCJul 6, 00:20 UTC45m
2026-07-05 N5254D - Jul 5, 16:15 UTCJul 5, 17:10 UTC55m
2026-07-04 N5254D - Jul 4, 13:45 UTCJul 4, 15:20 UTC1h 35m
2026-07-03 N5254D - Jul 3, 19:45 UTCJul 3, 20:35 UTC50m
2026-07-03 N5254D - Jul 3, 18:10 UTCJul 3, 19:05 UTC55m
2026-07-03 N5254D - Jul 3, 15:55 UTCJul 3, 16:45 UTC50m
2026-07-02 N5254D - Jul 2, 23:50 UTCJul 3, 01:20 UTC1h 30m
2026-07-02 N5254D - Jul 2, 17:50 UTCJul 2, 19:00 UTC1h 10m
2026-07-02 N5254D FCM → FCM Jul 2, 14:20 UTCJul 2, 15:30 UTC1h 10m
2026-06-29 N5254D FCM → FCM Jun 29, 21:14 UTCJun 29, 23:29 UTC2h 15m
2026-06-29 N5254D FCM → FCM Jun 29, 12:29 UTCJun 29, 13:30 UTC1h 0m
2026-06-27 N5254D - Jun 27, 20:19 UTCJun 27, 22:04 UTC1h 45m
2026-06-27 N5254D FCM → FCM Jun 27, 13:49 UTCJun 27, 16:14 UTC2h 25m
2026-06-27 N5254D - Jun 27, 02:50 UTCJun 27, 03:34 UTC45m
2026-06-26 N5254D - Jun 26, 23:09 UTCJun 27, 00:55 UTC1h 45m
2026-06-26 N5254D - Jun 26, 20:34 UTCJun 26, 21:45 UTC1h 10m
2026-06-26 N5254D - Jun 26, 18:04 UTCJun 26, 19:14 UTC1h 10m
2026-06-26 N5254D FCM → FCM Jun 26, 15:05 UTCJun 26, 16:49 UTC1h 45m
2026-06-26 N5254D - Jun 26, 13:40 UTCJun 26, 14:15 UTC35m
2026-06-26 N5254D - Jun 26, 12:39 UTCJun 26, 13:04 UTC25m
2026-06-25 N5254D - Jun 25, 22:39 UTCJun 25, 23:39 UTC1h 0m
2026-06-25 N5254D - Jun 25, 20:05 UTCJun 25, 21:44 UTC1h 40m
2026-06-25 N5254D - Jun 25, 14:44 UTCJun 25, 16:50 UTC2h 5m
2026-06-24 N5254D - Jun 24, 23:14 UTCJun 25, 00:49 UTC1h 35m
2026-06-24 N5254D - Jun 24, 19:34 UTCJun 24, 21:04 UTC1h 30m
2026-06-24 N5254D - Jun 24, 17:29 UTCJun 24, 18:50 UTC1h 20m
2026-06-22 N5254D FBL → FCM Jun 22, 23:39 UTCJun 23, 00:15 UTC35m
2026-06-22 N5254D - Jun 22, 22:40 UTCJun 22, 22:59 UTC20m
2026-06-22 N5254D FCM → FCM Jun 22, 17:10 UTCJun 22, 18:40 UTC1h 30m
2026-06-22 N5254D - Jun 22, 13:44 UTCJun 22, 15:10 UTC1h 25m
2026-06-22 N5254D - Jun 22, 00:04 UTCJun 22, 00:50 UTC45m
2026-06-21 N5254D - Jun 21, 22:00 UTCJun 21, 23:24 UTC1h 25m
2026-06-21 N5254D FCM → FCM Jun 21, 20:29 UTCJun 21, 21:10 UTC40m

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 N5254D page for operator, model, and routing details .

Mode-S A69E69 frequently asked

What is Mode-S code A69E69?
A69E69 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N5254D.
Where is Mode-S A69E69 registered?
Mode-S code A69E69 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 A69E69 broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A69E69, octal 51517151, decimal 10,919,529.
What flights does A69E69 operate?
Mode-S A69E69 has broadcast 1 distinct callsign, including N5254D.