Apparatus

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sensors Mode-S transponder

A89F52

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N655AE · EMBRAER ERJ-145 · operated by AMERICAN AIRLINES INC

Hex
A89F52
Octal
52117522
Decimal
11,050,834
Country
US
Tail
N655AE
Type
E145
No current signal · last broadcast 4h ago
Flights observed
385
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S A89F52.

Country allocation

The ICAO 24-bit address A89F52 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
PDT6046 - 7 2026-06-22
PDT6128 - 6 2026-07-12
PDT6068 - 6 2026-07-10
PDT5895 Piedmont Airlines 6 2026-06-12
PDT5814 - 6 2026-07-11
PDT5810 Piedmont Airlines 6 2026-06-20
PDT5789 - 6 2026-06-21
PDT6118 - 5 2026-07-10
PDT6041 - 5 2026-06-29
PDT5974 - 5 2026-07-02
PDT5971 - 5 2026-07-09
PDT5910 - 5 2026-07-05
PDT5889 - 5 2026-06-27
PDT5867 - 5 2026-07-08
PDT5819 - 5 2026-07-06
PDT5806 - 5 2026-07-09
PDT6103 - 4 2026-07-03
PDT6048 - 4 2026-06-23
PDT5979 Piedmont Airlines 4 2026-06-13
PDT5955 - 4 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 PDT5893 - Jul 14, 02:50 UTCJul 14, 03:20 UTC30m
2026-07-14 PDT5899 - Jul 14, 00:15 UTCJul 14, 00:55 UTC40m
2026-07-13 PDT5899 - Jul 13, 22:55 UTCJul 13, 23:25 UTC30m
2026-07-13 PDT5823 - Jul 13, 20:20 UTCJul 13, 21:05 UTC45m
2026-07-13 PDT5823 ILM → CLT Jul 13, 20:14 UTCJul 13, 21:02 UTC48m
2026-07-13 PDT5823 - Jul 13, 18:45 UTCJul 13, 19:15 UTC30m
2026-07-13 PDT6000 - Jul 13, 16:15 UTCJul 13, 17:15 UTC1h 0m
2026-07-13 PDT6000 - Jul 13, 14:25 UTCJul 13, 15:30 UTC1h 5m
2026-07-13 PDT5992 - Jul 13, 11:25 UTCJul 13, 12:00 UTC35m
2026-07-13 PDT6019 - Jul 13, 04:00 UTCJul 13, 04:30 UTC30m
2026-07-13 PDT5957 - Jul 13, 01:05 UTCJul 13, 01:45 UTC40m
2026-07-12 PDT5957 - Jul 12, 22:40 UTCJul 12, 23:10 UTC30m
2026-07-12 PDT6128 - Jul 12, 19:55 UTCJul 12, 20:40 UTC45m
2026-07-12 PDT6128 CHO → CLT Jul 12, 19:50 UTCJul 12, 20:41 UTC51m
2026-07-12 PDT6128 - Jul 12, 18:10 UTCJul 12, 18:45 UTC35m
2026-07-12 PDT5916 - Jul 12, 16:15 UTCJul 12, 17:20 UTC1h 5m
2026-07-12 PDT5916 - Jul 12, 13:50 UTCJul 12, 14:55 UTC1h 5m
2026-07-12 PDT5967 - Jul 12, 10:40 UTCJul 12, 11:35 UTC55m
2026-07-12 PDT5967 MGM → CLT Jul 12, 10:36 UTCJul 12, 11:33 UTC57m
2026-07-12 PDT5865 - Jul 12, 03:15 UTCJul 12, 04:10 UTC55m
2026-07-12 PDT5865 CLT → MGM Jul 12, 03:11 UTCJul 12, 04:09 UTC58m
2026-07-12 PDT5940 - Jul 12, 00:35 UTCJul 12, 00:55 UTC20m
2026-07-12 PDT5940 TRI → CLT Jul 12, 00:29 UTCJul 12, 00:48 UTC19m
2026-07-11 PDT5940 - Jul 11, 23:25 UTCJul 11, 23:50 UTC25m
2026-07-11 PDT6051 - Jul 11, 20:50 UTCJul 11, 21:30 UTC40m
2026-07-11 PDT6051 - Jul 11, 19:05 UTCJul 11, 19:50 UTC45m
2026-07-11 PDT5824 - Jul 11, 16:05 UTCJul 11, 17:20 UTC1h 15m
2026-07-11 PDT5824 - Jul 11, 13:20 UTCJul 11, 14:25 UTC1h 5m
2026-07-11 PDT5803 - Jul 11, 10:55 UTCJul 11, 11:40 UTC45m
2026-07-11 PDT5931 - Jul 11, 03:25 UTCJul 11, 04:01 UTC35m
2026-07-11 PDT5931 CLT → CHO Jul 11, 03:22 UTCJul 11, 04:01 UTC39m
2026-07-11 PDT5814 - Jul 11, 01:15 UTCJul 11, 01:55 UTC40m
2026-07-11 PDT5814 HTS → CLT Jul 11, 01:07 UTCJul 11, 02:02 UTC55m
2026-07-10 PDT5814 - Jul 10, 23:45 UTCJul 11, 00:25 UTC40m
2026-07-10 PDT5832 - Jul 10, 21:20 UTCJul 10, 22:30 UTC1h 10m
2026-07-10 PDT5832 - Jul 10, 17:35 UTCJul 10, 18:40 UTC1h 5m
2026-07-10 PDT6068 - Jul 10, 15:05 UTCJul 10, 15:50 UTC45m
2026-07-10 PDT6068 EWN → CLT Jul 10, 15:00 UTCJul 10, 15:52 UTC52m
2026-07-10 PDT6068 - Jul 10, 13:20 UTCJul 10, 13:50 UTC30m
2026-07-10 PDT5933 - Jul 10, 11:15 UTCJul 10, 11:45 UTC30m
2026-07-10 PDT5943 - Jul 10, 03:30 UTCJul 10, 04:10 UTC40m
2026-07-10 PDT6118 - Jul 10, 01:10 UTCJul 10, 02:30 UTC1h 20m
2026-07-09 PDT6118 - Jul 9, 22:25 UTCJul 9, 23:45 UTC1h 20m
2026-07-09 PDT5806 - Jul 9, 19:55 UTCJul 9, 20:50 UTC55m
2026-07-09 PDT5806 - Jul 9, 17:55 UTCJul 9, 18:50 UTC55m
2026-07-09 PDT5898 - Jul 9, 15:15 UTCJul 9, 15:55 UTC40m
2026-07-09 PDT5898 - Jul 9, 13:40 UTCJul 9, 14:20 UTC40m
2026-07-09 PDT5955 - Jul 9, 10:30 UTCJul 9, 11:10 UTC40m
2026-07-09 PDT5955 HTS → CLT Jul 9, 10:25 UTCJul 9, 11:09 UTC44m
2026-07-09 PDT5971 - Jul 9, 01:00 UTCJul 9, 01:30 UTC30m

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 N655AE page for operator, model, and routing details .

Mode-S A89F52 frequently asked

What is Mode-S code A89F52?
A89F52 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N655AE.
Where is Mode-S A89F52 registered?
Mode-S code A89F52 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 A89F52 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A89F52, octal 52117522, decimal 11,050,834.
What flights does A89F52 operate?
Mode-S A89F52 has broadcast 20 distinct callsigns, including PDT6046, PDT6128, PDT6068, PDT5895, PDT5814.