Apparatus

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sensors Mode-S transponder

A2443E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N245TC · operated by TEXAS STATE TECHNICAL COLLEGE

Hex
A2443E
Octal
50442076
Decimal
10,634,302
Country
US
Tail
N245TC
Type
P28A
Broadcasting now · callsign N245TC · 1,100 ft
Flights observed
86
Distinct callsigns
1
Country
US
Last broadcast
2h ago

Current position

A2443E is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A2443E 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
N245TC - 86 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-20 N245TC CNW → CNW Jul 20, 15:45 UTCJul 20, 16:50 UTC1h 5m
2026-07-20 N245TC CNW → CNW Jul 20, 13:15 UTCJul 20, 14:10 UTC55m
2026-07-19 N245TC CNW → CNW Jul 19, 23:55 UTCJul 20, 00:35 UTC40m
2026-07-18 N245TC - Jul 18, 21:20 UTCJul 18, 22:05 UTC45m
2026-07-18 N245TC - Jul 18, 13:25 UTCJul 18, 14:05 UTC40m
2026-07-17 N245TC - Jul 17, 20:50 UTCJul 17, 23:10 UTC2h 20m
2026-07-17 N245TC - Jul 17, 16:00 UTCJul 17, 19:00 UTC3h 0m
2026-07-17 N245TC - Jul 17, 13:35 UTCJul 17, 14:39 UTC1h 5m
2026-07-16 N245TC CNW → CNW Jul 16, 16:25 UTCJul 16, 17:10 UTC45m
2026-07-13 N245TC - Jul 13, 14:05 UTCJul 13, 14:20 UTC15m
2026-07-13 N245TC CNW → CNW Jul 13, 13:10 UTCJul 13, 13:25 UTC15m
2026-07-10 N245TC - Jul 10, 22:20 UTCJul 10, 23:25 UTC1h 5m
2026-07-10 N245TC - Jul 10, 19:00 UTCJul 10, 20:30 UTC1h 30m
2026-07-10 N245TC - Jul 10, 15:55 UTCJul 10, 17:10 UTC1h 15m
2026-07-10 N245TC - Jul 10, 04:35 UTCJul 10, 05:20 UTC45m
2026-07-10 N245TC - Jul 10, 02:35 UTCJul 10, 03:20 UTC45m
2026-07-09 N245TC CNW → CNW Jul 9, 21:20 UTCJul 9, 22:55 UTC1h 35m
2026-07-09 N245TC CNW → CNW Jul 9, 15:20 UTCJul 9, 16:15 UTC55m
2026-07-09 N245TC - Jul 9, 13:20 UTCJul 9, 14:15 UTC55m
2026-07-07 N245TC - Jul 7, 18:55 UTCJul 7, 19:55 UTC1h 0m
2026-07-07 N245TC - Jul 7, 13:15 UTCJul 7, 14:10 UTC55m
2026-07-06 N245TC - Jul 6, 20:20 UTCJul 6, 21:35 UTC1h 15m
2026-07-06 N245TC - Jul 6, 19:05 UTCJul 6, 19:40 UTC35m
2026-07-02 N245TC - Jul 2, 23:50 UTCJul 3, 00:40 UTC50m
2026-07-02 N245TC - Jul 2, 20:10 UTCJul 2, 20:45 UTC35m
2026-07-02 N245TC CNW → CNW Jul 2, 15:50 UTCJul 2, 16:35 UTC45m
2026-07-01 N245TC CNW → CNW Jul 1, 23:30 UTCJul 2, 02:00 UTC2h 30m
2026-07-01 N245TC CNW → CNW Jul 1, 21:20 UTCJul 1, 22:30 UTC1h 10m
2026-07-01 N245TC - Jul 1, 15:40 UTCJul 1, 16:50 UTC1h 10m
2026-06-30 N245TC CNW → CNW Jun 30, 21:55 UTCJun 30, 22:50 UTC55m
2026-06-30 N245TC CNW → CNW Jun 30, 18:40 UTCJun 30, 19:35 UTC55m
2026-06-30 N245TC CNW → CNW Jun 30, 15:45 UTCJun 30, 17:00 UTC1h 15m
2026-06-30 N245TC CNW → CNW Jun 30, 13:35 UTCJun 30, 14:45 UTC1h 10m
2026-06-29 N245TC - Jun 29, 21:14 UTCJun 29, 22:30 UTC1h 15m
2026-06-29 N245TC - Jun 29, 18:55 UTCJun 29, 20:00 UTC1h 5m
2026-06-29 N245TC - Jun 29, 15:49 UTCJun 29, 16:35 UTC45m
2026-06-29 N245TC CNW → CNW Jun 29, 13:39 UTCJun 29, 14:50 UTC1h 10m
2026-06-29 N245TC - Jun 29, 00:24 UTCJun 29, 02:05 UTC1h 40m
2026-06-28 N245TC - Jun 28, 18:19 UTCJun 28, 19:25 UTC1h 5m
2026-06-26 N245TC - Jun 26, 19:00 UTCJun 26, 20:00 UTC1h 0m
2026-06-26 N245TC CNW → CNW Jun 26, 16:09 UTCJun 26, 17:04 UTC55m
2026-06-26 N245TC CNW → CNW Jun 26, 13:40 UTCJun 26, 13:59 UTC20m
2026-06-25 N245TC - Jun 25, 21:35 UTCJun 25, 22:34 UTC1h 0m
2026-06-25 N245TC - Jun 25, 18:59 UTCJun 25, 20:39 UTC1h 40m
2026-06-25 N245TC - Jun 25, 15:54 UTCJun 25, 17:09 UTC1h 15m
2026-06-24 N245TC - Jun 24, 23:40 UTCJun 25, 00:24 UTC45m
2026-06-24 N245TC CNW → CNW Jun 24, 21:19 UTCJun 24, 22:49 UTC1h 30m
2026-06-24 N245TC - Jun 24, 15:59 UTCJun 24, 16:59 UTC1h 0m
2026-06-23 N245TC - Jun 23, 23:50 UTCJun 24, 00:59 UTC1h 10m
2026-06-23 N245TC - Jun 23, 20:54 UTCJun 23, 21:24 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 N245TC page for operator, model, and routing details .

Mode-S A2443E frequently asked

What is Mode-S code A2443E?
A2443E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N245TC.
Where is Mode-S A2443E registered?
Mode-S code A2443E 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 A2443E broadcasting right now?
Yes. Mode-S A2443E is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2443E, octal 50442076, decimal 10,634,302.
What flights does A2443E operate?
Mode-S A2443E has broadcast 1 distinct callsign, including N245TC.