Apparatus

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sensors Mode-S transponder

A9250D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N689EC · EMBRAER ERJ-145 · operated by AMERICAN AIRLINES INC

Hex
A9250D
Octal
52222415
Decimal
11,085,069
Country
US
Tail
N689EC
Type
E145
No current signal · last broadcast Jul 26, 21:15 UTC
Flights observed
863
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S A9250D.

Country allocation

The ICAO 24-bit address A9250D 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
PDT6116 - 11 2026-07-10
PDT5978 Piedmont Airlines 11 2026-07-22
PDT5884 Piedmont Airlines 11 2026-07-22
PDT5848 Piedmont Airlines 11 2026-06-16
PDT5824 - 11 2026-07-14
PDT6121 - 10 2026-06-27
PDT6038 - 10 2026-06-20
PDT6031 - 10 2026-07-25
PDT5951 Piedmont Airlines 10 2026-06-14
PDT5849 Piedmont Airlines 10 2026-06-15
PDT6129 - 9 2026-07-07
PDT6018 Piedmont Airlines 9 2026-07-24
PDT5998 Piedmont Airlines 9 2026-05-12
PDT6132 Piedmont Airlines 8 2026-06-15
PDT6123 - 8 2026-07-16
PDT6007 Piedmont Airlines 8 2026-05-13
PDT5990 Piedmont Airlines 8 2026-05-06
PDT5887 Piedmont Airlines 8 2026-07-23
PDT6133 Piedmont Airlines 7 2026-07-25
PDT6110 - 7 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 PDT6024 BOS → ROC Jul 26, 21:00 UTCJul 26, 21:15 UTC15m
2026-07-26 PDT6036 SCE → PHL Jul 26, 18:45 UTCJul 26, 19:40 UTC55m
2026-07-26 PDT6035 GSP → PHL Jul 26, 17:20 UTCJul 26, 17:55 UTC35m
2026-07-26 PDT5976 CLT → GNV Jul 26, 14:45 UTCJul 26, 15:45 UTC1h 0m
2026-07-26 PDT5976 CLT → GNV Jul 26, 12:55 UTCJul 26, 13:45 UTC50m
2026-07-26 PDT5973 CAE → PHL Jul 26, 10:35 UTCJul 26, 11:10 UTC35m
2026-07-25 PDT5969 GSO → PHL Jul 25, 23:05 UTCJul 25, 23:45 UTC40m
2026-07-25 PDT6133 PHL → ORF Jul 25, 20:00 UTCJul 25, 21:10 UTC1h 10m
2026-07-25 PDT6133 PHL → ORF Jul 25, 17:50 UTCJul 25, 18:55 UTC1h 5m
2026-07-25 PDT6031 - Jul 25, 14:50 UTCJul 25, 16:05 UTC1h 15m
2026-07-25 PDT6030 PHL → CVG Jul 25, 13:35 UTCJul 25, 13:55 UTC20m
2026-07-25 PDT5981 CAE → PHL Jul 25, 11:05 UTCJul 25, 11:30 UTC25m
2026-07-25 PDT5896 PHL → CLE Jul 25, 01:20 UTCJul 25, 01:55 UTC35m
2026-07-25 PDT5896 PHL → CLE Jul 25, 01:17 UTCJul 25, 01:54 UTC37m
2026-07-24 PDT6018 CAE → PHL Jul 24, 23:15 UTCJul 24, 23:45 UTC30m
2026-07-24 PDT6018 CAE → PHL Jul 24, 23:13 UTCJul 24, 23:31 UTC18m
2026-07-24 PDT6018 CAE → PHL Jul 24, 22:10 UTCJul 24, 22:40 UTC30m
2026-07-24 PDT6110 - Jul 24, 19:25 UTCJul 24, 19:55 UTC30m
2026-07-24 PDT6110 AGS → CLT Jul 24, 19:24 UTCJul 24, 19:53 UTC29m
2026-07-24 PDT6110 - Jul 24, 17:40 UTCJul 24, 18:20 UTC40m
2026-07-24 PDT5786 GSP → PHL Jul 24, 15:05 UTCJul 24, 16:20 UTC1h 15m
2026-07-24 PDT5786 GSP → PHL Jul 24, 15:02 UTCJul 24, 16:18 UTC1h 16m
2026-07-24 PDT5829 CLT → PGV Jul 24, 13:55 UTCJul 24, 14:15 UTC20m
2026-07-23 PDT888Q PHL → YQB Jul 23, 17:55 UTCJul 23, 19:15 UTC1h 20m
2026-07-23 PDT5888 PHL → CLE Jul 23, 15:35 UTCJul 23, 16:55 UTC1h 20m
2026-07-23 PDT5887 YYZ → PHL Jul 23, 12:25 UTCJul 23, 13:30 UTC1h 5m
2026-07-23 PDT5864 GSO → PHL Jul 23, 00:45 UTCJul 23, 01:50 UTC1h 5m
2026-07-22 PDT5884 YYZ → PHL Jul 22, 22:00 UTCJul 22, 23:05 UTC1h 5m
2026-07-22 PDT5884 YYZ → PHL Jul 22, 19:45 UTCJul 22, 21:05 UTC1h 20m
2026-07-22 PDT5978 DTW → PHL Jul 22, 17:30 UTCJul 22, 18:40 UTC1h 10m
2026-07-22 PDT5978 DTW → PHL Jul 22, 17:25 UTCJul 22, 18:30 UTC1h 5m
2026-07-22 PDT5978 DTW → PHL Jul 22, 15:25 UTCJul 22, 16:30 UTC1h 5m
2026-07-22 PDT5854 - Jul 22, 11:15 UTCJul 22, 11:25 UTC10m
2026-07-21 PDT6026 CLT → ROA Jul 21, 14:00 UTCJul 21, 14:50 UTC50m
2026-07-21 PDT5841 CLT → GSP Jul 21, 12:25 UTCJul 21, 12:55 UTC30m
2026-07-20 PDT5949 - Jul 20, 22:15 UTCJul 20, 22:40 UTC25m
2026-07-20 PDT5920 PHL → ART Jul 20, 17:00 UTCJul 20, 17:25 UTC25m
2026-07-20 PDT5920 PHL → ART Jul 20, 15:15 UTCJul 20, 15:40 UTC25m
2026-07-20 PDT6081 - Jul 20, 12:15 UTCJul 20, 13:10 UTC55m
2026-07-20 PDT6083 - Jul 20, 02:55 UTCJul 20, 03:50 UTC55m
2026-07-19 PDT5861 - Jul 19, 22:10 UTCJul 19, 23:05 UTC55m
2026-07-19 PDT5861 - Jul 19, 20:15 UTCJul 19, 21:20 UTC1h 5m
2026-07-18 PDT5895 - Jul 18, 00:19 UTCJul 18, 01:00 UTC40m
2026-07-18 PDT5895 RIC → PHL Jul 18, 00:16 UTCJul 18, 00:57 UTC41m
2026-07-17 PDT5895 - Jul 17, 20:15 UTCJul 17, 20:55 UTC40m
2026-07-17 PDT5915 - Jul 17, 17:30 UTCJul 17, 19:15 UTC1h 45m
2026-07-17 PDT5915 SDF → PHL Jul 17, 17:28 UTCJul 17, 19:05 UTC1h 37m
2026-07-17 PDT5915 - Jul 17, 13:50 UTCJul 17, 15:20 UTC1h 30m
2026-07-17 PDT5830 - Jul 17, 11:39 UTCJul 17, 12:19 UTC40m
2026-07-17 PDT5830 RIC → PHL Jul 17, 11:36 UTCJul 17, 12:14 UTC38m

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 N689EC page for operator, model, and routing details .

Mode-S A9250D frequently asked

What is Mode-S code A9250D?
A9250D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N689EC.
Where is Mode-S A9250D registered?
Mode-S code A9250D 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 A9250D broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9250D, octal 52222415, decimal 11,085,069.
What flights does A9250D operate?
Mode-S A9250D has broadcast 20 distinct callsigns, including PDT6116, PDT5978, PDT5884, PDT5848, PDT5824.