Apparatus

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sensors Mode-S transponder

A341DB

ICAO 24-bit transponder address · allocated to United States

Hex
A341DB
Octal
50640733
Decimal
10,699,227
Country
US
No current signal · last broadcast 7d ago
Flights observed
149
Distinct callsigns
2
Country
US
Last broadcast
7d ago

Last known position

Most recent position reported by Mode-S A341DB.

Country allocation

The ICAO 24-bit address A341DB 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 2 distinct

Callsign Airline Flights Last seen
NIT309 - 146 2026-07-11
N309MG - 3 2026-04-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-11 NIT309 - Jul 11, 12:15 UTCJul 11, 13:15 UTC1h 0m
2026-07-11 NIT309 - Jul 11, 09:50 UTCJul 11, 11:35 UTC1h 45m
2026-07-11 NIT309 - Jul 11, 00:20 UTCJul 11, 00:40 UTC20m
2026-07-10 NIT309 - Jul 10, 22:15 UTCJul 10, 23:40 UTC1h 25m
2026-07-10 NIT309 - Jul 10, 21:05 UTCJul 10, 21:15 UTC10m
2026-07-10 NIT309 - Jul 10, 20:20 UTCJul 10, 20:35 UTC15m
2026-07-10 NIT309 - Jul 10, 18:40 UTCJul 10, 19:20 UTC40m
2026-07-10 NIT309 - Jul 10, 14:30 UTCJul 10, 16:35 UTC2h 5m
2026-07-10 NIT309 - Jul 10, 10:40 UTCJul 10, 12:30 UTC1h 50m
2026-07-09 NIT309 - Jul 9, 14:20 UTCJul 9, 17:15 UTC2h 55m
2026-07-09 NIT309 - Jul 9, 12:25 UTCJul 9, 13:35 UTC1h 10m
2026-07-09 NIT309 - Jul 9, 10:40 UTCJul 9, 11:45 UTC1h 5m
2026-07-09 NIT309 - Jul 9, 00:20 UTCJul 9, 01:55 UTC1h 35m
2026-07-08 NIT309 - Jul 8, 20:35 UTCJul 8, 21:30 UTC55m
2026-07-08 NIT309 - Jul 8, 14:25 UTCJul 8, 16:05 UTC1h 40m
2026-07-08 NIT309 - Jul 8, 12:45 UTCJul 8, 13:40 UTC55m
2026-07-08 NIT309 - Jul 8, 10:35 UTCJul 8, 11:45 UTC1h 10m
2026-07-08 NIT309 - Jul 8, 00:25 UTCJul 8, 01:20 UTC55m
2026-07-07 NIT309 - Jul 7, 22:30 UTCJul 7, 23:40 UTC1h 10m
2026-07-07 NIT309 - Jul 7, 20:20 UTCJul 7, 21:35 UTC1h 15m
2026-07-07 NIT309 - Jul 7, 18:15 UTCJul 7, 19:15 UTC1h 0m
2026-07-07 NIT309 - Jul 7, 16:55 UTCJul 7, 17:35 UTC40m
2026-07-03 NIT309 - Jul 3, 18:25 UTCJul 3, 19:00 UTC35m
2026-07-03 NIT309 - Jul 3, 16:20 UTCJul 3, 17:15 UTC55m
2026-07-03 NIT309 - Jul 3, 14:35 UTCJul 3, 15:30 UTC55m
2026-07-03 NIT309 - Jul 3, 12:30 UTCJul 3, 13:25 UTC55m
2026-07-03 NIT309 - Jul 3, 10:15 UTCJul 3, 11:05 UTC50m
2026-07-03 NIT309 - Jul 3, 00:40 UTCJul 3, 01:55 UTC1h 15m
2026-07-02 NIT309 - Jul 2, 22:20 UTCJul 2, 23:25 UTC1h 5m
2026-07-02 NIT309 - Jul 2, 18:40 UTCJul 2, 19:35 UTC55m
2026-07-02 NIT309 - Jul 2, 16:40 UTCJul 2, 17:20 UTC40m
2026-07-01 NIT309 - Jul 1, 20:25 UTCJul 1, 20:45 UTC20m
2026-06-30 NIT309 - Jun 30, 18:00 UTCJun 30, 19:40 UTC1h 40m
2026-06-30 NIT309 - Jun 30, 16:35 UTCJun 30, 17:05 UTC30m
2026-06-30 NIT309 - Jun 30, 14:35 UTCJun 30, 15:45 UTC1h 10m
2026-06-30 NIT309 - Jun 30, 11:15 UTCJun 30, 13:45 UTC2h 30m
2026-06-29 NIT309 - Jun 29, 22:44 UTCJun 29, 23:34 UTC50m
2026-06-29 NIT309 - Jun 29, 20:35 UTCJun 29, 21:14 UTC40m
2026-06-29 NIT309 - Jun 29, 16:25 UTCJun 29, 19:35 UTC3h 10m
2026-06-29 NIT309 - Jun 29, 14:44 UTCJun 29, 15:19 UTC35m
2026-06-29 NIT309 - Jun 29, 11:35 UTCJun 29, 13:24 UTC1h 50m
2026-06-29 NIT309 - Jun 29, 01:39 UTCJun 29, 02:45 UTC1h 5m
2026-06-28 NIT309 - Jun 28, 23:34 UTCJun 29, 00:49 UTC1h 15m
2026-06-28 NIT309 - Jun 28, 18:59 UTCJun 28, 19:25 UTC25m
2026-06-28 NIT309 - Jun 28, 17:25 UTCJun 28, 17:50 UTC25m
2026-06-28 NIT309 - Jun 28, 14:25 UTCJun 28, 15:34 UTC1h 10m
2026-06-28 NIT309 - Jun 28, 10:04 UTCJun 28, 12:09 UTC2h 5m
2026-06-28 NIT309 - Jun 28, 00:25 UTCJun 28, 01:34 UTC1h 10m
2026-06-27 NIT309 - Jun 27, 22:40 UTCJun 27, 23:55 UTC1h 15m
2026-06-27 NIT309 - Jun 27, 10:45 UTCJun 27, 12:04 UTC1h 20m

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.

Mode-S A341DB frequently asked

What is Mode-S code A341DB?
A341DB is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A341DB registered?
Mode-S code A341DB 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 A341DB broadcasting right now?
No active broadcast right now. Last signal was 7d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A341DB, octal 50640733, decimal 10,699,227.
What flights does A341DB operate?
Mode-S A341DB has broadcast 2 distinct callsigns, including NIT309, N309MG.