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sensors Mode-S transponder

A94C2A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N699AE · EMBRAER ERJ-145 · operated by AMERICAN AIRLINES INC

Hex
A94C2A
Octal
52246052
Decimal
11,095,082
Country
US
Tail
N699AE
Type
E145
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
869
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S A94C2A.

Country allocation

The ICAO 24-bit address A94C2A 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
PDT5789 Piedmont Airlines 13 2026-07-21
PDT5852 - 12 2026-07-12
PDT6120 Piedmont Airlines 10 2026-07-26
PDT5950 Piedmont Airlines 10 2026-07-25
PDT5862 - 10 2026-06-18
PDT5804 Piedmont Airlines 10 2026-07-19
PDT5795 Piedmont Airlines 10 2026-07-17
PDT6126 - 9 2026-06-24
PDT5974 - 9 2026-06-24
PDT5868 Piedmont Airlines 9 2026-06-05
PDT5835 - 9 2026-07-17
PDT6131 - 8 2026-06-29
PDT6075 - 8 2026-06-29
PDT5962 Piedmont Airlines 8 2026-07-11
PDT5920 - 8 2026-07-16
PDT5836 Piedmont Airlines 8 2026-07-26
PDT5831 - 8 2026-07-03
PDT6125 - 7 2026-06-24
PDT6048 - 7 2026-07-06
PDT6046 - 7 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 PDT5952 BDL → PHL Jul 26, 20:25 UTCJul 26, 21:45 UTC1h 20m
2026-07-26 PDT6120 PHL → YQB Jul 26, 17:45 UTCJul 26, 18:50 UTC1h 5m
2026-07-26 PDT6120 PHL → YQB Jul 26, 15:30 UTCJul 26, 16:30 UTC1h 0m
2026-07-26 PDT6117 YYZ → PHL Jul 26, 14:20 UTCJul 26, 14:35 UTC15m
2026-07-26 PDT6117 YYZ → PHL Jul 26, 14:15 UTCJul 26, 14:41 UTC26m
2026-07-26 PDT5836 CAE → CLT Jul 26, 12:05 UTCJul 26, 13:10 UTC1h 5m
2026-07-26 PDT5872 GSO → PHL Jul 26, 09:25 UTCJul 26, 10:35 UTC1h 10m
2026-07-26 PDT5977 ILM → PHL Jul 26, 01:25 UTCJul 26, 02:35 UTC1h 10m
2026-07-25 PDT6018 CAE → PHL Jul 25, 22:50 UTCJul 25, 23:20 UTC30m
2026-07-25 PDT6018 CAE → PHL Jul 25, 21:15 UTCJul 25, 21:45 UTC30m
2026-07-25 PDT5822 ROC → BOS Jul 25, 19:00 UTCJul 25, 19:35 UTC35m
2026-07-25 PDT5822 ROC → BOS Jul 25, 18:56 UTCJul 25, 19:33 UTC37m
2026-07-25 PDT5822 ROC → BOS Jul 25, 17:30 UTCJul 25, 18:00 UTC30m
2026-07-25 PDT5950 MDT → PHL Jul 25, 15:25 UTCJul 25, 16:10 UTC45m
2026-07-25 PDT5950 MDT → PHL Jul 25, 14:00 UTCJul 25, 14:35 UTC35m
2026-07-25 PDT5917 FWA → PHL Jul 25, 10:35 UTCJul 25, 11:35 UTC1h 0m
2026-07-25 PDT5879 PHL → ALB Jul 25, 01:20 UTCJul 25, 02:20 UTC1h 0m
2026-07-24 PDT5825 PHL → GSP Jul 24, 22:10 UTCJul 24, 22:50 UTC40m
2026-07-24 PDT5825 PHL → GSP Jul 24, 22:09 UTCJul 24, 22:49 UTC40m
2026-07-24 PDT5825 PHL → GSP Jul 24, 20:45 UTCJul 24, 21:15 UTC30m
2026-07-24 PDT5819 BGR → PHL Jul 24, 18:25 UTCJul 24, 18:55 UTC30m
2026-07-24 PDT5819 BGR → PHL Jul 24, 18:23 UTCJul 24, 18:54 UTC31m
2026-07-24 PDT5819 BGR → PHL Jul 24, 15:35 UTCJul 24, 16:00 UTC25m
2026-07-24 PDT6009 - Jul 24, 13:50 UTCJul 24, 14:25 UTC35m
2026-07-24 PDT5812 ROC → BOS Jul 24, 12:05 UTCJul 24, 12:30 UTC25m
2026-07-22 PDT6102 PHL → GSO Jul 22, 23:45 UTCJul 23, 00:40 UTC55m
2026-07-22 PDT6102 PHL → GSO Jul 22, 21:55 UTCJul 22, 22:55 UTC1h 0m
2026-07-22 PDT5844 - Jul 22, 17:50 UTCJul 22, 19:10 UTC1h 20m
2026-07-22 PDT5844 - Jul 22, 15:40 UTCJul 22, 16:55 UTC1h 15m
2026-07-22 PDT6054 - Jul 22, 13:30 UTCJul 22, 14:15 UTC45m
2026-07-22 PDT6054 CHO → CLT Jul 22, 13:22 UTCJul 22, 14:13 UTC51m
2026-07-22 PDT6054 - Jul 22, 11:45 UTCJul 22, 12:25 UTC40m
2026-07-22 PDT5834 CLT → ROA Jul 22, 00:55 UTCJul 22, 01:35 UTC40m
2026-07-22 PDT5834 CLT → ROA Jul 22, 00:51 UTCJul 22, 01:32 UTC41m
2026-07-21 PDT5851 SYR → BOS Jul 21, 22:40 UTCJul 21, 23:25 UTC45m
2026-07-21 PDT5851 SYR → BOS Jul 21, 21:20 UTCJul 21, 21:50 UTC30m
2026-07-21 PDT5789 GSO → PHL Jul 21, 18:50 UTCJul 21, 19:05 UTC15m
2026-07-21 PDT5789 GSO → PHL Jul 21, 17:20 UTCJul 21, 17:45 UTC25m
2026-07-21 PDT6068 - Jul 21, 15:00 UTCJul 21, 15:40 UTC40m
2026-07-21 PDT6068 - Jul 21, 13:30 UTCJul 21, 14:00 UTC30m
2026-07-21 PDT5975 LYH → CLT Jul 21, 10:25 UTCJul 21, 11:00 UTC35m
2026-07-21 PDT5827 - Jul 21, 01:50 UTCJul 21, 02:25 UTC35m
2026-07-20 PDT5845 BGR → PHL Jul 20, 21:35 UTCJul 20, 23:00 UTC1h 25m
2026-07-20 PDT5845 BGR → PHL Jul 20, 19:15 UTCJul 20, 20:30 UTC1h 15m
2026-07-20 PDT5822 - Jul 20, 17:15 UTCJul 20, 17:55 UTC40m
2026-07-20 PDT5822 - Jul 20, 15:30 UTCJul 20, 15:55 UTC25m
2026-07-20 PDT6086 - Jul 20, 12:10 UTCJul 20, 13:35 UTC1h 25m
2026-07-20 PDT6086 MLI → CLT Jul 20, 12:05 UTCJul 20, 13:41 UTC1h 36m
2026-07-20 PDT6097 - Jul 20, 00:55 UTCJul 20, 02:35 UTC1h 40m
2026-07-19 PDT6070 PHL → ROA Jul 19, 22:40 UTCJul 19, 23:25 UTC45m

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 N699AE page for operator, model, and routing details .

Mode-S A94C2A frequently asked

What is Mode-S code A94C2A?
A94C2A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N699AE.
Where is Mode-S A94C2A registered?
Mode-S code A94C2A 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 A94C2A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A94C2A, octal 52246052, decimal 11,095,082.
What flights does A94C2A operate?
Mode-S A94C2A has broadcast 20 distinct callsigns, including PDT5789, PDT5852, PDT6120, PDT5950, PDT5862.