Apparatus

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sensors Mode-S transponder

A94251

ICAO 24-bit transponder address · allocated to United States

Hex
A94251
Octal
52241121
Decimal
11,092,561
Country
US
No current signal · last broadcast Jul 18, 17:35 UTC
Flights observed
82
Distinct callsigns
1
Country
US
Last broadcast
Jul 18, 17:35 UTC

Last known position

Most recent position reported by Mode-S A94251.

Country allocation

The ICAO 24-bit address A94251 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
N696PM - 82 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 N696PM - Jul 18, 15:55 UTCJul 18, 17:35 UTC1h 40m
2026-07-18 N696PM - Jul 18, 15:00 UTCJul 18, 15:20 UTC20m
2026-07-18 N696PM - Jul 18, 12:25 UTCJul 18, 13:55 UTC1h 30m
2026-07-16 N696PM - Jul 16, 20:39 UTCJul 17, 00:14 UTC3h 35m
2026-07-16 N696PM - Jul 16, 18:00 UTCJul 16, 18:19 UTC20m
2026-07-16 N696PM - Jul 16, 16:19 UTCJul 16, 17:05 UTC45m
2026-07-03 N696PM - Jul 3, 17:40 UTCJul 3, 17:50 UTC10m
2026-06-29 N696PM - Jun 29, 02:35 UTCJun 29, 02:59 UTC25m
2026-06-28 N696PM - Jun 28, 23:50 UTCJun 29, 00:49 UTC1h 0m
2026-06-28 N696PM - Jun 28, 22:39 UTCJun 28, 22:59 UTC20m
2026-06-28 N696PM - Jun 28, 20:39 UTCJun 28, 20:59 UTC20m
2026-06-28 N696PM - Jun 28, 18:40 UTCJun 28, 19:34 UTC55m
2026-06-27 N696PM - Jun 27, 00:44 UTCJun 27, 01:04 UTC20m
2026-06-26 N696PM - Jun 26, 23:30 UTCJun 27, 00:14 UTC45m
2026-06-26 N696PM - Jun 26, 22:34 UTCJun 26, 22:55 UTC20m
2026-06-26 N696PM - Jun 26, 18:54 UTCJun 26, 19:04 UTC10m
2026-06-26 N696PM - Jun 26, 16:44 UTCJun 26, 17:15 UTC30m
2026-06-25 N696PM - Jun 25, 23:44 UTCJun 26, 03:39 UTC3h 55m
2026-06-25 N696PM - Jun 25, 20:49 UTCJun 25, 22:34 UTC1h 45m
2026-06-25 N696PM - Jun 25, 19:34 UTCJun 25, 20:05 UTC30m
2026-06-25 N696PM - Jun 25, 18:34 UTCJun 25, 18:45 UTC10m
2026-06-24 N696PM - Jun 24, 00:30 UTCJun 24, 00:40 UTC10m
2026-06-23 N696PM - Jun 23, 18:25 UTCJun 23, 18:34 UTC10m
2026-06-23 N696PM - Jun 23, 14:55 UTCJun 23, 15:55 UTC1h 0m
2026-06-22 N696PM - Jun 22, 19:19 UTCJun 22, 21:25 UTC2h 5m
2026-06-21 N696PM - Jun 21, 17:54 UTCJun 21, 19:29 UTC1h 35m
2026-06-17 N696PM - Jun 17, 19:20 UTCJun 17, 20:25 UTC1h 5m
2026-06-15 N696PM - Jun 15, 19:50 UTCJun 15, 20:25 UTC35m
2026-06-11 N696PM - Jun 11, 14:40 UTCJun 11, 15:40 UTC1h 0m
2026-06-09 N696PM - Jun 9, 18:05 UTCJun 9, 19:00 UTC55m
2026-06-09 N696PM - Jun 9, 16:45 UTCJun 9, 17:05 UTC20m
2026-06-07 N696PM - Jun 7, 20:50 UTCJun 7, 22:00 UTC1h 10m
2026-06-07 N696PM - Jun 7, 19:40 UTCJun 7, 20:15 UTC35m
2026-06-07 N696PM - Jun 7, 18:35 UTCJun 7, 18:55 UTC20m
2026-06-06 N696PM - Jun 6, 00:50 UTCJun 6, 01:30 UTC40m
2026-06-05 N696PM - Jun 5, 21:05 UTCJun 5, 21:55 UTC50m
2026-06-03 N696PM - Jun 3, 22:50 UTCJun 4, 00:10 UTC1h 20m
2026-06-03 N696PM DNL → DNL Jun 3, 21:15 UTCJun 3, 22:00 UTC45m
2026-06-03 N696PM - Jun 3, 19:00 UTCJun 3, 20:35 UTC1h 35m
2026-06-03 N696PM - Jun 3, 00:25 UTCJun 3, 00:35 UTC10m
2026-06-02 N696PM - Jun 2, 23:15 UTCJun 2, 23:45 UTC30m
2026-06-02 N696PM - Jun 2, 22:25 UTCJun 2, 22:40 UTC15m
2026-06-02 N696PM - Jun 2, 19:55 UTCJun 2, 20:05 UTC10m
2026-06-02 N696PM - Jun 2, 18:15 UTCJun 2, 18:25 UTC10m
2026-05-22 N696PM - May 22, 19:40 UTCMay 22, 21:00 UTC1h 20m
2026-05-21 N696PM - May 21, 18:15 UTCMay 21, 18:55 UTC40m
2026-05-21 N696PM - May 21, 16:20 UTCMay 21, 17:40 UTC1h 20m
2026-05-20 N696PM - May 20, 18:00 UTCMay 20, 19:00 UTC1h 0m
2026-05-20 N696PM - May 20, 15:35 UTCMay 20, 16:25 UTC50m
2026-05-16 N696PM - May 16, 20:30 UTCMay 16, 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.

Mode-S A94251 frequently asked

What is Mode-S code A94251?
A94251 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A94251 registered?
Mode-S code A94251 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 A94251 broadcasting right now?
No active broadcast right now. Last signal was Jul 18, 17:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A94251, octal 52241121, decimal 11,092,561.
What flights does A94251 operate?
Mode-S A94251 has broadcast 1 distinct callsign, including N696PM.