Apparatus

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sensors Mode-S transponder

A12C89

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N175JA · BEECH 200 Super King Air · operated by TENAX AEROSPACE LLC

Hex
A12C89
Octal
50226211
Decimal
10,562,697
Country
US
Tail
N175JA
Type
BE20
No current signal · last broadcast 29d ago
Flights observed
65
Distinct callsigns
3
Country
US
Last broadcast
29d ago

Last known position

Most recent position reported by Mode-S A12C89.

Country allocation

The ICAO 24-bit address A12C89 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 3 distinct

Callsign Airline Flights Last seen
FRLD12 - 43 2026-07-16
FRLD72 - 20 2026-07-17
N175JA - 2 2026-05-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 FRLD72 - Jul 17, 19:55 UTCJul 17, 20:44 UTC50m
2026-07-17 FRLD72 - Jul 17, 18:40 UTCJul 17, 18:50 UTC10m
2026-07-17 FRLD72 - Jul 17, 02:20 UTCJul 17, 02:39 UTC20m
2026-07-17 FRLD72 - Jul 17, 01:39 UTCJul 17, 01:49 UTC10m
2026-07-16 FRLD12 - Jul 16, 21:55 UTCJul 16, 22:05 UTC10m
2026-07-15 FRLD12 - Jul 15, 19:55 UTCJul 15, 20:25 UTC30m
2026-07-14 FRLD12 - Jul 14, 00:05 UTCJul 14, 00:50 UTC45m
2026-07-12 FRLD12 - Jul 12, 02:15 UTCJul 12, 02:35 UTC20m
2026-07-12 FRLD12 - Jul 12, 00:50 UTCJul 12, 01:05 UTC15m
2026-07-11 FRLD12 - Jul 11, 21:15 UTCJul 11, 22:05 UTC50m
2026-07-10 FRLD12 - Jul 10, 23:40 UTCJul 11, 00:05 UTC25m
2026-07-10 FRLD12 - Jul 10, 20:40 UTCJul 10, 21:50 UTC1h 10m
2026-07-10 FRLD12 - Jul 10, 00:10 UTCJul 10, 00:30 UTC20m
2026-07-09 FRLD12 - Jul 9, 22:35 UTCJul 9, 22:55 UTC20m
2026-07-09 FRLD12 - Jul 9, 20:15 UTCJul 9, 20:35 UTC20m
2026-07-09 FRLD12 - Jul 9, 17:15 UTCJul 9, 17:35 UTC20m
2026-07-09 FRLD12 - Jul 9, 01:35 UTCJul 9, 01:55 UTC20m
2026-07-08 FRLD12 - Jul 8, 22:10 UTCJul 8, 22:30 UTC20m
2026-07-08 FRLD12 - Jul 8, 19:20 UTCJul 8, 19:35 UTC15m
2026-07-05 FRLD72 - Jul 5, 15:15 UTCJul 5, 17:30 UTC2h 15m
2026-07-04 FRLD12 - Jul 4, 23:10 UTCJul 4, 23:35 UTC25m
2026-07-04 FRLD12 - Jul 4, 19:30 UTCJul 4, 19:55 UTC25m
2026-07-03 FRLD12 - Jul 3, 20:25 UTCJul 3, 20:55 UTC30m
2026-07-03 FRLD12 - Jul 3, 17:50 UTCJul 3, 18:15 UTC25m
2026-07-03 FRLD72 - Jul 3, 02:25 UTCJul 3, 02:55 UTC30m
2026-07-03 FRLD72 - Jul 3, 01:20 UTCJul 3, 01:45 UTC25m
2026-07-02 FRLD12 - Jul 2, 20:05 UTCJul 2, 20:40 UTC35m
2026-07-02 FRLD12 - Jul 2, 17:20 UTCJul 2, 17:50 UTC30m
2026-07-02 FRLD12 - Jul 2, 01:30 UTCJul 2, 02:00 UTC30m
2026-07-01 FRLD12 - Jul 1, 23:40 UTCJul 2, 00:05 UTC25m
2026-06-29 FRLD12 - Jun 29, 20:00 UTCJun 29, 20:30 UTC30m
2026-06-29 FRLD12 - Jun 29, 16:39 UTCJun 29, 17:10 UTC30m
2026-06-28 FRLD12 - Jun 28, 19:14 UTCJun 28, 19:55 UTC40m
2026-06-28 FRLD12 - Jun 28, 16:39 UTCJun 28, 17:00 UTC20m
2026-06-27 FRLD12 - Jun 27, 17:14 UTCJun 27, 20:04 UTC2h 50m
2026-06-27 FRLD12 - Jun 27, 00:50 UTCJun 27, 01:15 UTC25m
2026-06-26 FRLD12 - Jun 26, 23:34 UTCJun 27, 00:10 UTC35m
2026-06-24 FRLD12 - Jun 24, 19:55 UTCJun 24, 23:20 UTC3h 25m
2026-06-24 FRLD12 - Jun 24, 18:39 UTCJun 24, 18:55 UTC15m
2026-06-24 FRLD12 - Jun 24, 17:05 UTCJun 24, 17:50 UTC45m
2026-06-14 FRLD12 - Jun 14, 15:15 UTCJun 14, 18:35 UTC3h 20m
2026-06-12 FRLD72 - Jun 12, 19:55 UTCJun 12, 20:45 UTC50m
2026-06-11 FRLD72 - Jun 11, 02:55 UTCJun 11, 03:40 UTC45m
2026-06-11 FRLD72 - Jun 11, 00:40 UTCJun 11, 01:05 UTC25m
2026-06-09 FRLD72 - Jun 9, 23:50 UTCJun 10, 00:20 UTC30m
2026-06-09 FRLD72 - Jun 9, 22:35 UTCJun 9, 23:00 UTC25m
2026-06-07 FRLD72 - Jun 7, 21:00 UTCJun 7, 21:15 UTC15m
2026-06-07 FRLD72 - Jun 7, 20:05 UTCJun 7, 20:20 UTC15m
2026-06-03 FRLD72 - Jun 3, 19:50 UTCJun 3, 22:20 UTC2h 30m
2026-05-26 FRLD12 - May 26, 23:49 UTCMay 27, 00:00 UTC10m

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 N175JA page for operator, model, and routing details .

Mode-S A12C89 frequently asked

What is Mode-S code A12C89?
A12C89 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N175JA.
Where is Mode-S A12C89 registered?
Mode-S code A12C89 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 A12C89 broadcasting right now?
No active broadcast right now. Last signal was 29d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A12C89, octal 50226211, decimal 10,562,697.
What flights does A12C89 operate?
Mode-S A12C89 has broadcast 3 distinct callsigns, including FRLD12, FRLD72, N175JA.