Apparatus

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sensors Mode-S transponder

AC0912

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N875BR · DIAMOND DA-40 Club Star · operated by EVA FLIGHT TRAINING ACADEMY

Hex
AC0912
Octal
53004422
Decimal
11,274,514
Country
US
Tail
N875BR
Type
DA40
Broadcasting now · callsign ES805 · 5,525 ft
Flights observed
271
Distinct callsigns
2
Country
US
Last broadcast
Jul 26, 20:30 UTC

Current position

AC0912 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AC0912 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 2 distinct

Callsign Airline Flights Last seen
ES805 - 217 2026-07-26
N875BR - 54 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ES805 MHR → MHR Jul 26, 19:00 UTCJul 26, 20:25 UTC1h 25m
2026-07-25 N875BR MHR → MHR Jul 25, 18:55 UTCJul 25, 20:15 UTC1h 20m
2026-07-25 ES805 MHR → MHR Jul 25, 16:00 UTCJul 25, 17:40 UTC1h 40m
2026-07-24 ES805 MHR → MHR Jul 24, 20:45 UTCJul 24, 22:15 UTC1h 30m
2026-07-24 ES805 MHR → MHR Jul 24, 18:00 UTCJul 24, 18:30 UTC30m
2026-07-24 ES805 MHR → MHR Jul 24, 14:35 UTCJul 24, 16:15 UTC1h 40m
2026-07-23 ES805 MHR → MHR Jul 23, 20:40 UTCJul 23, 21:45 UTC1h 5m
2026-07-23 ES805 MHR → MHR Jul 23, 14:20 UTCJul 23, 15:40 UTC1h 20m
2026-07-22 ES805 MHR → MHR Jul 22, 19:20 UTCJul 22, 20:55 UTC1h 35m
2026-07-22 ES805 MHR → MHR Jul 22, 16:40 UTCJul 22, 16:45 UTC5m
2026-07-22 ES805 MHR → MHR Jul 22, 16:20 UTCJul 22, 16:25 UTC5m
2026-07-22 ES805 MHR → MHR Jul 22, 15:10 UTCJul 22, 15:50 UTC40m
2026-07-21 ES805 MHR → MHR Jul 21, 18:45 UTCJul 21, 20:00 UTC1h 15m
2026-07-20 ES805 MHR → MHR Jul 20, 18:55 UTCJul 20, 20:15 UTC1h 20m
2026-07-20 ES805 MHR → MHR Jul 20, 14:40 UTCJul 20, 16:10 UTC1h 30m
2026-07-19 ES805 - Jul 19, 14:45 UTCJul 19, 15:30 UTC45m
2026-07-19 ES805 MHR → MCC Jul 19, 14:15 UTCJul 19, 14:40 UTC25m
2026-07-18 N875BR MHR → MHR Jul 18, 18:20 UTCJul 18, 19:45 UTC1h 25m
2026-07-18 N875BR MHR → MHR Jul 18, 14:35 UTCJul 18, 15:55 UTC1h 20m
2026-07-17 ES805 MHR → MHR Jul 17, 16:29 UTCJul 17, 17:55 UTC1h 25m
2026-07-16 ES805 MHR → MHR Jul 16, 19:10 UTCJul 16, 19:40 UTC30m
2026-07-16 ES805 MHR → MHR Jul 16, 15:00 UTCJul 16, 16:44 UTC1h 45m
2026-07-15 ES805 MHR → MHR Jul 15, 18:05 UTCJul 15, 19:40 UTC1h 35m
2026-07-15 ES805 MHR → MHR Jul 15, 14:40 UTCJul 15, 16:00 UTC1h 20m
2026-07-14 ES805 MHR → MHR Jul 14, 21:10 UTCJul 14, 22:25 UTC1h 15m
2026-07-14 ES805 MHR → MHR Jul 14, 18:20 UTCJul 14, 19:05 UTC45m
2026-07-13 ES805 MHR → MHR Jul 13, 20:30 UTCJul 13, 22:10 UTC1h 40m
2026-07-13 ES805 MHR → MHR Jul 13, 17:20 UTCJul 13, 18:30 UTC1h 10m
2026-07-12 ES805 MHR → MHR Jul 12, 20:25 UTCJul 12, 21:35 UTC1h 10m
2026-07-12 ES805 MHR → MHR Jul 12, 17:50 UTCJul 12, 18:55 UTC1h 5m
2026-07-12 ES805 MHR → MHR Jul 12, 14:25 UTCJul 12, 15:35 UTC1h 10m
2026-07-11 ES805 MHR → MHR Jul 11, 21:50 UTCJul 11, 23:05 UTC1h 15m
2026-07-11 ES805 MHR → MHR Jul 11, 18:20 UTCJul 11, 19:25 UTC1h 5m
2026-07-11 ES805 MHR → MHR Jul 11, 15:30 UTCJul 11, 16:35 UTC1h 5m
2026-07-10 ES805 MHR → MHR Jul 10, 21:25 UTCJul 10, 22:55 UTC1h 30m
2026-07-10 ES805 MHR → MHR Jul 10, 18:50 UTCJul 10, 20:05 UTC1h 15m
2026-07-10 ES805 MHR → MHR Jul 10, 15:35 UTCJul 10, 17:10 UTC1h 35m
2026-07-09 ES805 MHR → MHR Jul 9, 21:10 UTCJul 9, 22:40 UTC1h 30m
2026-07-09 ES805 MHR → MHR Jul 9, 18:45 UTCJul 9, 20:15 UTC1h 30m
2026-07-09 ES805 MHR → MHR Jul 9, 15:55 UTCJul 9, 17:20 UTC1h 25m
2026-07-08 ES805 MHR → MHR Jul 8, 16:50 UTCJul 8, 18:05 UTC1h 15m
2026-07-07 ES805 MHR → MHR Jul 7, 16:20 UTCJul 7, 17:10 UTC50m
2026-07-06 N875BR MHR → MHR Jul 6, 20:50 UTCJul 6, 22:50 UTC2h 0m
2026-07-06 ES805 MHR → MHR Jul 6, 18:10 UTCJul 6, 18:20 UTC10m
2026-07-06 ES805 MHR → MHR Jul 6, 17:55 UTCJul 6, 18:05 UTC10m
2026-07-06 ES805 - Jul 6, 17:05 UTCJul 6, 17:30 UTC25m
2026-07-06 ES805 MHR → MHR Jul 6, 16:50 UTCJul 6, 16:55 UTC5m
2026-07-06 ES805 MHR → MHR Jul 6, 13:50 UTCJul 6, 15:00 UTC1h 10m
2026-07-05 ES805 MHR → MHR Jul 5, 15:00 UTCJul 5, 16:20 UTC1h 20m
2026-07-03 ES805 MHR → MHR Jul 3, 20:00 UTCJul 3, 21:25 UTC1h 25m

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 N875BR page for operator, model, and routing details .

Mode-S AC0912 frequently asked

What is Mode-S code AC0912?
AC0912 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N875BR.
Where is Mode-S AC0912 registered?
Mode-S code AC0912 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 AC0912 broadcasting right now?
Yes. Mode-S AC0912 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC0912, octal 53004422, decimal 11,274,514.
What flights does AC0912 operate?
Mode-S AC0912 has broadcast 2 distinct callsigns, including ES805, N875BR.