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sensors Mode-S transponder

A5C89A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N472AT · ROBINSON R-22 Mariner · operated by AIRMEN TESTING AND TRAINING INC

Hex
A5C89A
Octal
51344232
Decimal
10,864,794
Country
US
Tail
N472AT
Type
R22
No current signal · last broadcast Jul 25, 19:30 UTC
Flights observed
262
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 19:30 UTC

Last known position

Most recent position reported by Mode-S A5C89A.

Country allocation

The ICAO 24-bit address A5C89A 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
N472AT - 262 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N472AT LNA → LNA Jul 25, 18:45 UTCJul 25, 19:25 UTC40m
2026-07-25 N472AT LNA → LNA Jul 25, 11:55 UTCJul 25, 12:35 UTC40m
2026-07-24 N472AT LNA → LNA Jul 24, 16:50 UTCJul 24, 16:55 UTC5m
2026-07-24 N472AT LNA → LNA Jul 24, 16:15 UTCJul 24, 16:40 UTC25m
2026-07-24 N472AT LNA → LNA Jul 24, 16:05 UTCJul 24, 16:10 UTC5m
2026-07-23 N472AT - Jul 23, 14:30 UTCJul 23, 14:45 UTC15m
2026-07-23 N472AT - Jul 23, 13:30 UTCJul 23, 13:45 UTC15m
2026-07-22 N472AT LNA → LNA Jul 22, 22:00 UTCJul 22, 22:10 UTC10m
2026-07-22 N472AT LNA → LNA Jul 22, 20:55 UTCJul 22, 21:50 UTC55m
2026-07-22 N472AT - Jul 22, 15:50 UTCJul 22, 16:10 UTC20m
2026-07-22 N472AT LNA → LNA Jul 22, 15:40 UTCJul 22, 15:45 UTC5m
2026-07-22 N472AT LNA → LNA Jul 22, 14:05 UTCJul 22, 14:40 UTC35m
2026-07-21 N472AT LNA → LNA Jul 21, 21:30 UTCJul 21, 21:45 UTC15m
2026-07-21 N472AT LNA → LNA Jul 21, 21:15 UTCJul 21, 21:20 UTC5m
2026-07-21 N472AT LNA → LNA Jul 21, 21:00 UTCJul 21, 21:05 UTC5m
2026-07-21 N472AT LNA → LNA Jul 21, 20:40 UTCJul 21, 20:55 UTC15m
2026-07-21 N472AT LNA → LNA Jul 21, 18:45 UTCJul 21, 19:20 UTC35m
2026-07-21 N472AT - Jul 21, 16:50 UTCJul 21, 17:00 UTC10m
2026-07-21 N472AT - Jul 21, 15:45 UTCJul 21, 15:50 UTC5m
2026-07-20 N472AT LNA → LNA Jul 20, 16:25 UTCJul 20, 16:30 UTC5m
2026-07-20 N472AT - Jul 20, 15:55 UTCJul 20, 16:10 UTC15m
2026-07-20 N472AT - Jul 20, 14:25 UTCJul 20, 14:30 UTC5m
2026-07-20 N472AT - Jul 20, 13:35 UTCJul 20, 13:40 UTC5m
2026-07-18 N472AT LNA → LNA Jul 18, 20:50 UTCJul 18, 21:50 UTC1h 0m
2026-07-18 N472AT LNA → LNA Jul 18, 16:25 UTCJul 18, 16:50 UTC25m
2026-07-18 N472AT LNA → LNA Jul 18, 16:00 UTCJul 18, 16:20 UTC20m
2026-07-18 N472AT LNA → LNA Jul 18, 14:10 UTCJul 18, 15:05 UTC55m
2026-07-16 N472AT LNA → LNA Jul 16, 15:35 UTCJul 16, 15:45 UTC10m
2026-07-16 N472AT LNA → LNA Jul 16, 15:10 UTCJul 16, 15:14 UTC5m
2026-07-15 N472AT LNA → LNA Jul 15, 15:55 UTCJul 15, 16:35 UTC40m
2026-07-14 N472AT LNA → LNA Jul 14, 20:20 UTCJul 14, 20:45 UTC25m
2026-07-13 N472AT LNA → LNA Jul 13, 21:15 UTCJul 13, 22:10 UTC55m
2026-07-11 N472AT LNA → LNA Jul 11, 15:40 UTCJul 11, 16:30 UTC50m
2026-07-11 N472AT - Jul 11, 14:40 UTCJul 11, 14:50 UTC10m
2026-07-11 N472AT - Jul 11, 13:35 UTCJul 11, 13:50 UTC15m
2026-07-10 N472AT LNA → LNA Jul 10, 21:00 UTCJul 10, 21:20 UTC20m
2026-07-10 N472AT - Jul 10, 19:00 UTCJul 10, 19:15 UTC15m
2026-07-10 N472AT LNA → LNA Jul 10, 18:35 UTCJul 10, 18:55 UTC20m
2026-07-10 N472AT LNA → LNA Jul 10, 14:30 UTCJul 10, 14:55 UTC25m
2026-07-10 N472AT LNA → LNA Jul 10, 13:55 UTCJul 10, 14:25 UTC30m
2026-07-09 N472AT - Jul 9, 16:55 UTCJul 9, 17:15 UTC20m
2026-07-09 N472AT LNA → LNA Jul 9, 16:20 UTCJul 9, 16:45 UTC25m
2026-07-09 N472AT LNA → LNA Jul 9, 14:50 UTCJul 9, 15:05 UTC15m
2026-07-09 N472AT LNA → LNA Jul 9, 13:45 UTCJul 9, 14:45 UTC1h 0m
2026-07-08 N472AT - Jul 8, 19:45 UTCJul 8, 19:55 UTC10m
2026-07-08 N472AT - Jul 8, 19:25 UTCJul 8, 19:40 UTC15m
2026-07-08 N472AT - Jul 8, 18:10 UTCJul 8, 18:15 UTC5m
2026-07-08 N472AT LNA → LNA Jul 8, 14:05 UTCJul 8, 14:45 UTC40m
2026-07-08 N472AT LNA → LNA Jul 8, 13:45 UTCJul 8, 14:00 UTC15m
2026-07-03 N472AT - Jul 3, 15:40 UTCJul 3, 16:40 UTC1h 0m

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 N472AT page for operator, model, and routing details .

Mode-S A5C89A frequently asked

What is Mode-S code A5C89A?
A5C89A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N472AT.
Where is Mode-S A5C89A registered?
Mode-S code A5C89A 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 A5C89A broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 19:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5C89A, octal 51344232, decimal 10,864,794.
What flights does A5C89A operate?
Mode-S A5C89A has broadcast 1 distinct callsign, including N472AT.