Apparatus

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sensors Mode-S transponder

AD2C8B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N948TB · operated by N948TB RENTAL LLC

Hex
AD2C8B
Octal
53226213
Decimal
11,349,131
Country
US
Tail
N948TB
Type
EV97
No current signal · last broadcast 16d ago
Flights observed
93
Distinct callsigns
1
Country
US
Last broadcast
16d ago

Last known position

Most recent position reported by Mode-S AD2C8B.

Country allocation

The ICAO 24-bit address AD2C8B 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
N948TB - 93 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N948TB - Jul 25, 15:40 UTCJul 25, 17:20 UTC1h 40m
2026-07-24 N948TB - Jul 24, 17:45 UTCJul 24, 21:20 UTC3h 35m
2026-07-24 N948TB - Jul 24, 10:40 UTCJul 24, 16:10 UTC5h 30m
2026-07-23 N948TB - Jul 23, 15:10 UTCJul 23, 18:05 UTC2h 55m
2026-07-23 N948TB - Jul 23, 12:45 UTCJul 23, 14:20 UTC1h 35m
2026-07-22 N948TB - Jul 22, 15:55 UTCJul 22, 17:45 UTC1h 50m
2026-07-22 N948TB - Jul 22, 12:05 UTCJul 22, 15:20 UTC3h 15m
2026-07-17 N948TB - Jul 17, 12:45 UTCJul 17, 15:00 UTC2h 15m
2026-07-16 N948TB - Jul 16, 14:10 UTCJul 16, 16:30 UTC2h 20m
2026-07-16 N948TB - Jul 16, 11:40 UTCJul 16, 13:34 UTC1h 55m
2026-07-15 N948TB - Jul 15, 13:30 UTCJul 15, 16:25 UTC2h 55m
2026-07-11 N948TB - Jul 11, 14:40 UTCJul 11, 16:25 UTC1h 45m
2026-07-11 N948TB - Jul 11, 11:15 UTCJul 11, 14:05 UTC2h 50m
2026-07-08 N948TB - Jul 8, 16:30 UTCJul 8, 17:20 UTC50m
2026-07-08 N948TB - Jul 8, 12:45 UTCJul 8, 13:45 UTC1h 0m
2026-06-30 N948TB - Jun 30, 12:40 UTCJun 30, 13:40 UTC1h 0m
2026-06-19 N948TB - Jun 19, 10:35 UTCJun 19, 14:44 UTC4h 10m
2026-06-18 N948TB - Jun 18, 17:35 UTCJun 18, 18:30 UTC55m
2026-06-18 N948TB - Jun 18, 16:35 UTCJun 18, 16:55 UTC20m
2026-06-18 N948TB - Jun 18, 13:35 UTCJun 18, 15:35 UTC2h 0m
2026-06-18 N948TB - Jun 18, 10:45 UTCJun 18, 13:00 UTC2h 15m
2026-06-18 N948TB - Jun 18, 02:55 UTCJun 18, 05:00 UTC2h 5m
2026-06-18 N948TB - Jun 18, 00:30 UTCJun 18, 02:25 UTC1h 55m
2026-06-16 N948TB - Jun 16, 15:55 UTCJun 16, 17:30 UTC1h 35m
2026-06-16 N948TB - Jun 16, 13:04 UTCJun 16, 15:09 UTC2h 5m
2026-06-16 N948TB - Jun 16, 10:09 UTCJun 16, 11:55 UTC1h 45m
2026-06-09 N948TB - Jun 9, 16:45 UTCJun 9, 19:35 UTC2h 50m
2026-06-09 N948TB - Jun 9, 14:00 UTCJun 9, 15:50 UTC1h 50m
2026-06-08 N948TB - Jun 8, 20:25 UTCJun 8, 21:30 UTC1h 5m
2026-06-08 N948TB - Jun 8, 18:05 UTCJun 8, 19:05 UTC1h 0m
2026-06-08 N948TB - Jun 8, 13:40 UTCJun 8, 16:25 UTC2h 45m
2026-06-08 N948TB - Jun 8, 10:45 UTCJun 8, 12:15 UTC1h 30m
2026-06-05 N948TB - Jun 5, 00:40 UTCJun 5, 02:25 UTC1h 45m
2026-06-04 N948TB - Jun 4, 17:15 UTCJun 4, 18:35 UTC1h 20m
2026-06-04 N948TB - Jun 4, 14:05 UTCJun 4, 16:15 UTC2h 10m
2026-05-26 N948TB - May 26, 14:45 UTCMay 26, 16:30 UTC1h 45m
2026-05-26 N948TB - May 26, 12:54 UTCMay 26, 14:05 UTC1h 10m
2026-05-21 N948TB - May 21, 17:05 UTCMay 21, 18:25 UTC1h 20m
2026-05-21 N948TB - May 21, 14:00 UTCMay 21, 15:15 UTC1h 15m
2026-05-17 N948TB - May 17, 05:00 UTCMay 17, 05:40 UTC40m
2026-05-17 N948TB - May 17, 00:25 UTCMay 17, 04:25 UTC4h 0m
2026-05-16 N948TB - May 16, 18:15 UTCMay 16, 19:15 UTC1h 0m
2026-05-16 N948TB - May 16, 17:20 UTCMay 16, 17:30 UTC10m
2026-05-16 N948TB - May 16, 14:55 UTCMay 16, 15:45 UTC50m
2026-05-16 N948TB - May 16, 13:11 UTCMay 16, 13:25 UTC15m
2026-05-14 N948TB - May 14, 19:15 UTCMay 14, 21:20 UTC2h 5m
2026-05-14 N948TB - May 14, 16:50 UTCMay 14, 18:10 UTC1h 20m
2026-05-14 N948TB - May 14, 13:30 UTCMay 14, 16:10 UTC2h 40m
2026-05-07 N948TB - May 7, 15:35 UTCMay 7, 16:40 UTC1h 5m
2026-05-07 N948TB - May 7, 12:55 UTCMay 7, 14:05 UTC1h 10m

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 N948TB page for operator, model, and routing details .

Mode-S AD2C8B frequently asked

What is Mode-S code AD2C8B?
AD2C8B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N948TB.
Where is Mode-S AD2C8B registered?
Mode-S code AD2C8B 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 AD2C8B broadcasting right now?
No active broadcast right now. Last signal was 16d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD2C8B, octal 53226213, decimal 11,349,131.
What flights does AD2C8B operate?
Mode-S AD2C8B has broadcast 1 distinct callsign, including N948TB.