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sensors Mode-S transponder

AA2061

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N7512C · ROBINSON R-22 Mariner · operated by AIRMAN HELICOPTER INC

Hex
AA2061
Octal
52420141
Decimal
11,149,409
Country
US
Tail
N7512C
Type
R22
No current signal · last broadcast 3h ago
Flights observed
99
Distinct callsigns
1
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S AA2061.

Country allocation

The ICAO 24-bit address AA2061 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
N7512C - 99 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 N7512C - Jul 24, 16:20 UTCJul 24, 17:15 UTC55m
2026-07-22 N7512C ISM → ISM Jul 22, 01:35 UTCJul 22, 01:45 UTC10m
2026-07-19 N7512C - Jul 19, 13:55 UTCJul 19, 14:55 UTC1h 0m
2026-07-18 N7512C ISM → ISM Jul 18, 14:55 UTCJul 18, 15:20 UTC25m
2026-07-18 N7512C - Jul 18, 00:35 UTCJul 18, 01:54 UTC1h 20m
2026-07-16 N7512C - Jul 16, 00:50 UTCJul 16, 02:00 UTC1h 10m
2026-07-14 N7512C ISM → ISM Jul 14, 16:40 UTCJul 14, 17:10 UTC30m
2026-07-13 N7512C - Jul 13, 17:40 UTCJul 13, 18:40 UTC1h 0m
2026-07-11 N7512C - Jul 11, 01:20 UTCJul 11, 02:40 UTC1h 20m
2026-07-10 N7512C - Jul 10, 14:50 UTCJul 10, 15:20 UTC30m
2026-07-10 N7512C - Jul 10, 14:30 UTCJul 10, 14:45 UTC15m
2026-07-07 N7512C - Jul 7, 17:30 UTCJul 7, 17:45 UTC15m
2026-07-07 N7512C - Jul 7, 16:05 UTCJul 7, 16:20 UTC15m
2026-07-06 N7512C - Jul 6, 00:30 UTCJul 6, 02:20 UTC1h 50m
2026-07-04 N7512C - Jul 4, 14:15 UTCJul 4, 14:45 UTC30m
2026-07-04 N7512C - Jul 4, 13:55 UTCJul 4, 14:10 UTC15m
2026-07-03 N7512C - Jul 3, 17:55 UTCJul 3, 18:35 UTC40m
2026-06-30 N7512C - Jun 30, 15:40 UTCJun 30, 16:25 UTC45m
2026-06-29 N7512C - Jun 29, 15:54 UTCJun 29, 16:35 UTC40m
2026-06-29 N7512C - Jun 29, 14:09 UTCJun 29, 14:50 UTC40m
2026-06-28 N7512C - Jun 28, 16:35 UTCJun 28, 16:45 UTC10m
2026-06-28 N7512C - Jun 28, 16:00 UTCJun 28, 16:29 UTC30m
2026-06-28 N7512C - Jun 28, 14:50 UTCJun 28, 15:09 UTC20m
2026-06-28 N7512C - Jun 28, 14:25 UTCJun 28, 14:45 UTC20m
2026-06-27 N7512C - Jun 27, 15:45 UTCJun 27, 16:44 UTC1h 0m
2026-06-25 N7512C - Jun 25, 12:54 UTCJun 25, 14:50 UTC1h 55m
2026-06-16 N7512C - Jun 16, 14:55 UTCJun 16, 15:40 UTC45m
2026-06-16 N7512C - Jun 16, 12:50 UTCJun 16, 13:40 UTC50m
2026-06-13 N7512C ISM → ISM Jun 13, 14:15 UTCJun 13, 14:50 UTC35m
2026-06-12 N7512C - Jun 12, 16:05 UTCJun 12, 16:50 UTC45m
2026-06-12 N7512C - Jun 12, 14:50 UTCJun 12, 15:00 UTC10m
2026-06-12 N7512C - Jun 12, 14:15 UTCJun 12, 14:45 UTC30m
2026-06-08 N7512C - Jun 8, 18:10 UTCJun 8, 19:05 UTC55m
2026-06-07 N7512C - Jun 7, 19:55 UTCJun 7, 20:35 UTC40m
2026-06-05 N7512C - Jun 5, 17:50 UTCJun 5, 18:40 UTC50m
2026-06-04 N7512C - Jun 4, 17:40 UTCJun 4, 18:40 UTC1h 0m
2026-06-04 N7512C ISM → ISM Jun 4, 15:50 UTCJun 4, 16:15 UTC25m
2026-06-04 N7512C ISM → ISM Jun 4, 14:15 UTCJun 4, 14:25 UTC10m
2026-05-31 N7512C ISM → ISM May 31, 13:45 UTCMay 31, 15:25 UTC1h 40m
2026-05-30 N7512C - May 30, 16:00 UTCMay 30, 16:25 UTC25m
2026-05-30 N7512C - May 30, 15:35 UTCMay 30, 15:55 UTC20m
2026-05-30 N7512C - May 30, 14:50 UTCMay 30, 15:00 UTC10m
2026-05-30 N7512C - May 30, 13:45 UTCMay 30, 14:40 UTC55m
2026-05-24 N7512C - May 24, 16:15 UTCMay 24, 16:25 UTC10m
2026-05-23 N7512C - May 23, 15:35 UTCMay 23, 15:50 UTC15m
2026-05-23 N7512C - May 23, 14:00 UTCMay 23, 14:35 UTC35m
2026-05-23 N7512C - May 23, 13:40 UTCMay 23, 13:50 UTC10m
2026-05-23 N7512C - May 23, 01:25 UTCMay 23, 02:05 UTC40m
2026-05-23 N7512C - May 23, 00:20 UTCMay 23, 00:30 UTC10m
2026-05-22 N7512C - May 22, 22:25 UTCMay 22, 22:40 UTC15m

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 N7512C page for operator, model, and routing details .

Mode-S AA2061 frequently asked

What is Mode-S code AA2061?
AA2061 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N7512C.
Where is Mode-S AA2061 registered?
Mode-S code AA2061 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 AA2061 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA2061, octal 52420141, decimal 11,149,409.
What flights does AA2061 operate?
Mode-S AA2061 has broadcast 1 distinct callsign, including N7512C.