sensors Mode-S transponder

A89BA2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N654AM · operated by BELL TEXTRON INC

Hex
A89BA2
Octal
52115642
Decimal
11,049,890
Country
US
Tail
N654AM
No current signal · last broadcast 2d ago
Flights observed
18
Distinct callsigns
1
Country
US
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S A89BA2.

Country allocation

The ICAO 24-bit address A89BA2 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
N654AM - 18 2026-07-15

Recent flights last 18

DateFlightRouteTakeoffLandingDuration
2026-07-15 N654AM - Jul 15, 21:40 UTCJul 15, 22:40 UTC1h 0m
2026-07-15 N654AM - Jul 15, 19:40 UTCJul 15, 20:25 UTC45m
2026-07-15 N654AM - Jul 15, 17:35 UTCJul 15, 18:25 UTC50m
2026-07-14 N654AM - Jul 14, 21:15 UTCJul 14, 22:10 UTC55m
2026-07-14 N654AM - Jul 14, 19:00 UTCJul 14, 19:40 UTC40m
2026-07-14 N654AM - Jul 14, 16:20 UTCJul 14, 17:30 UTC1h 10m
2026-07-07 N654AM - Jul 7, 15:20 UTCJul 7, 15:35 UTC15m
2026-07-07 N654AM - Jul 7, 14:20 UTCJul 7, 14:30 UTC10m
2026-06-07 N654AM - Jun 7, 16:45 UTCJun 7, 17:00 UTC15m
2026-06-07 N654AM - Jun 7, 15:45 UTCJun 7, 16:00 UTC15m
2026-06-06 N654AM - Jun 6, 20:05 UTCJun 6, 20:30 UTC25m
2026-06-06 N654AM - Jun 6, 18:35 UTCJun 6, 19:14 UTC40m
2026-06-06 N654AM - Jun 6, 13:54 UTCJun 6, 16:04 UTC2h 10m
2026-06-05 N654AM - Jun 5, 20:30 UTCJun 5, 20:40 UTC10m
2026-06-05 N654AM - Jun 5, 19:00 UTCJun 5, 19:40 UTC40m
2026-06-03 N654AM - Jun 3, 16:55 UTCJun 3, 17:30 UTC35m
2026-06-03 N654AM - Jun 3, 14:00 UTCJun 3, 14:25 UTC25m
2026-06-03 N654AM - Jun 3, 12:30 UTCJun 3, 13:05 UTC35m

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 N654AM page for operator, model, and routing details .

Mode-S A89BA2 frequently asked

What is Mode-S code A89BA2?
A89BA2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N654AM.
Where is Mode-S A89BA2 registered?
Mode-S code A89BA2 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 A89BA2 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A89BA2, octal 52115642, decimal 11,049,890.
What flights does A89BA2 operate?
Mode-S A89BA2 has broadcast 1 distinct callsign, including N654AM.