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sensors Mode-S transponder

A89B9B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N654AE · EMBRAER ERJ-145 · operated by AMERICAN AIRLINES INC

Hex
A89B9B
Octal
52115633
Decimal
11,049,883
Country
US
Tail
N654AE
Type
E145
No current signal · last broadcast 2h ago
Flights observed
588
Distinct callsigns
20
Country
US
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S A89B9B.

Country allocation

The ICAO 24-bit address A89B9B 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 20 distinct

Callsign Airline Flights Last seen
PDT6034 - 12 2026-07-13
PDT5920 - 9 2026-06-28
PDT6028 - 8 2026-06-27
PDT5847 Piedmont Airlines 8 2026-06-14
PDT5815 Piedmont Airlines 8 2026-05-23
PDT6118 - 7 2026-06-30
PDT5884 - 7 2026-07-12
PDT6114 - 6 2026-06-28
PDT6108 - 6 2026-06-27
PDT6077 Piedmont Airlines 6 2026-06-09
PDT6062 - 6 2026-07-06
PDT6041 - 6 2026-06-21
PDT5962 Piedmont Airlines 6 2026-05-24
PDT5929 - 6 2026-07-12
PDT5919 - 6 2026-06-26
PDT5887 - 6 2026-06-26
PDT5843 Piedmont Airlines 6 2026-05-29
PDT6130 - 5 2026-07-08
PDT6122 Piedmont Airlines 5 2026-05-31
PDT6117 - 5 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 PDT6103 - Jul 14, 02:15 UTCJul 14, 02:55 UTC40m
2026-07-13 PDT6034 - Jul 13, 23:05 UTCJul 14, 00:30 UTC1h 25m
2026-07-13 PDT6034 - Jul 13, 20:45 UTCJul 13, 22:05 UTC1h 20m
2026-07-13 PDT5951 - Jul 13, 18:10 UTCJul 13, 19:45 UTC1h 35m
2026-07-13 PDT5951 - Jul 13, 15:35 UTCJul 13, 16:55 UTC1h 20m
2026-07-13 PDT5841 - Jul 13, 12:25 UTCJul 13, 12:45 UTC20m
2026-07-13 PDT6109 PHL → MDT Jul 13, 00:12 UTCJul 13, 00:34 UTC22m
2026-07-13 PDT6109 - Jul 13, 00:01 UTCJul 13, 00:35 UTC35m
2026-07-12 PDT5884 - Jul 12, 20:30 UTCJul 12, 21:25 UTC55m
2026-07-12 PDT5884 YYZ → PHL Jul 12, 20:27 UTCJul 12, 21:25 UTC58m
2026-07-12 PDT5884 PHL → YYZ Jul 12, 18:20 UTCJul 12, 19:20 UTC1h 0m
2026-07-12 PDT6123 - Jul 12, 16:01 UTCJul 12, 17:15 UTC1h 15m
2026-07-12 PDT6123 PHL → BGR Jul 12, 13:50 UTCJul 12, 15:05 UTC1h 15m
2026-07-12 PDT5929 - Jul 12, 12:05 UTCJul 12, 12:25 UTC20m
2026-07-11 PDT5788 - Jul 11, 23:40 UTCJul 12, 00:50 UTC1h 10m
2026-07-11 PDT5923 - Jul 11, 20:30 UTCJul 11, 21:25 UTC55m
2026-07-11 PDT5923 SDF → CLT Jul 11, 20:29 UTCJul 11, 21:24 UTC55m
2026-07-11 PDT5923 - Jul 11, 18:20 UTCJul 11, 19:20 UTC1h 0m
2026-07-11 PDT5898 - Jul 11, 16:20 UTCJul 11, 16:55 UTC35m
2026-07-11 PDT5898 ROA → CLT Jul 11, 16:19 UTCJul 11, 17:04 UTC45m
2026-07-11 PDT5898 - Jul 11, 14:30 UTCJul 11, 15:10 UTC40m
2026-07-11 PDT6098 - Jul 11, 11:05 UTCJul 11, 11:45 UTC40m
2026-07-11 PDT6071 - Jul 11, 03:50 UTCJul 11, 04:30 UTC40m
2026-07-11 PDT5792 - Jul 11, 01:40 UTCJul 11, 02:05 UTC25m
2026-07-11 PDT5792 - Jul 11, 00:20 UTCJul 11, 00:40 UTC20m
2026-07-10 PDT6069 - Jul 10, 21:40 UTCJul 10, 22:30 UTC50m
2026-07-10 PDT6069 EWN → CLT Jul 10, 21:33 UTCJul 10, 22:09 UTC36m
2026-07-10 PDT6069 - Jul 10, 17:35 UTCJul 10, 18:05 UTC30m
2026-07-10 PDT5820 - Jul 10, 15:25 UTCJul 10, 16:10 UTC45m
2026-07-10 PDT5820 - Jul 10, 13:55 UTCJul 10, 14:20 UTC25m
2026-07-10 PDT5981 - Jul 10, 12:10 UTCJul 10, 12:45 UTC35m
2026-07-10 PDT5991 - Jul 10, 03:05 UTCJul 10, 03:40 UTC35m
2026-07-10 PDT6052 - Jul 10, 00:25 UTCJul 10, 01:10 UTC45m
2026-07-09 PDT6052 - Jul 9, 22:30 UTCJul 9, 23:20 UTC50m
2026-07-09 PDT6110 - Jul 9, 18:55 UTCJul 9, 19:25 UTC30m
2026-07-09 PDT6110 - Jul 9, 17:40 UTCJul 9, 18:10 UTC30m
2026-07-09 PDT6042 - Jul 9, 15:25 UTCJul 9, 15:45 UTC20m
2026-07-09 PDT6042 - Jul 9, 14:10 UTCJul 9, 14:30 UTC20m
2026-07-09 PDT5933 - Jul 9, 11:45 UTCJul 9, 12:25 UTC40m
2026-07-09 PDT5933 ROA → CLT Jul 9, 11:43 UTCJul 9, 12:22 UTC39m
2026-07-09 PDT5882 - Jul 9, 01:35 UTCJul 9, 02:25 UTC50m
2026-07-08 PDT6130 - Jul 8, 22:55 UTCJul 8, 23:35 UTC40m
2026-07-08 PDT6130 - Jul 8, 20:35 UTCJul 8, 21:05 UTC30m
2026-07-08 PDT5844 - Jul 8, 18:05 UTCJul 8, 19:20 UTC1h 15m
2026-07-08 PDT5844 MOB → CLT Jul 8, 17:59 UTCJul 8, 19:18 UTC1h 19m
2026-07-08 PDT5844 - Jul 8, 15:50 UTCJul 8, 17:10 UTC1h 20m
2026-07-08 PDT5972 - Jul 8, 12:20 UTCJul 8, 13:35 UTC1h 15m
2026-07-08 PDT5970 - Jul 8, 01:20 UTCJul 8, 02:35 UTC1h 15m
2026-07-07 PDT9976 - Jul 7, 20:00 UTCJul 7, 20:30 UTC30m
2026-07-07 PDT9975 - Jul 7, 16:25 UTCJul 7, 17:05 UTC40m

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 N654AE page for operator, model, and routing details .

Mode-S A89B9B frequently asked

What is Mode-S code A89B9B?
A89B9B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N654AE.
Where is Mode-S A89B9B registered?
Mode-S code A89B9B 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 A89B9B broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A89B9B, octal 52115633, decimal 11,049,883.
What flights does A89B9B operate?
Mode-S A89B9B has broadcast 20 distinct callsigns, including PDT6034, PDT5920, PDT6028, PDT5847, PDT5815.