Apparatus

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sensors Mode-S transponder

A6B250

ICAO 24-bit transponder address · allocated to United States

Hex
A6B250
Octal
51531120
Decimal
10,924,624
Country
US
No current signal · last broadcast 5d ago
Flights observed
51
Distinct callsigns
1
Country
US
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S A6B250.

Country allocation

The ICAO 24-bit address A6B250 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
N530VH - 51 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N530VH - Jul 25, 20:50 UTCJul 25, 21:00 UTC10m
2026-07-25 N530VH - Jul 25, 14:15 UTCJul 25, 14:25 UTC10m
2026-07-24 N530VH - Jul 24, 14:20 UTCJul 24, 14:30 UTC10m
2026-07-22 N530VH - Jul 22, 22:40 UTCJul 22, 22:50 UTC10m
2026-07-22 N530VH - Jul 22, 16:10 UTCJul 22, 17:10 UTC1h 0m
2026-07-20 N530VH - Jul 20, 22:35 UTCJul 20, 22:45 UTC10m
2026-07-19 N530VH - Jul 19, 20:20 UTCJul 19, 20:40 UTC20m
2026-07-19 N530VH - Jul 19, 16:45 UTCJul 19, 18:00 UTC1h 15m
2026-07-16 N530VH - Jul 16, 12:49 UTCJul 16, 13:00 UTC10m
2026-06-24 N530VH - Jun 24, 19:55 UTCJun 24, 20:14 UTC20m
2026-06-24 N530VH - Jun 24, 14:15 UTCJun 24, 14:34 UTC20m
2026-06-23 N530VH - Jun 23, 21:49 UTCJun 23, 22:05 UTC15m
2026-06-23 N530VH - Jun 23, 14:25 UTCJun 23, 14:39 UTC15m
2026-06-22 N530VH - Jun 22, 19:34 UTCJun 22, 19:54 UTC20m
2026-06-22 N530VH - Jun 22, 15:59 UTCJun 22, 16:20 UTC20m
2026-06-20 N530VH - Jun 20, 01:14 UTCJun 20, 01:29 UTC15m
2026-06-19 N530VH - Jun 19, 14:24 UTCJun 19, 14:39 UTC15m
2026-06-18 N530VH - Jun 18, 21:05 UTCJun 18, 21:20 UTC15m
2026-06-18 N530VH - Jun 18, 14:25 UTCJun 18, 14:45 UTC20m
2026-06-17 N530VH - Jun 17, 21:20 UTCJun 17, 21:40 UTC20m
2026-06-17 N530VH - Jun 17, 14:15 UTCJun 17, 14:35 UTC20m
2026-06-16 N530VH - Jun 16, 22:45 UTCJun 16, 23:05 UTC20m
2026-06-15 N530VH - Jun 15, 15:25 UTCJun 15, 15:45 UTC20m
2026-06-12 N530VH - Jun 12, 01:15 UTCJun 12, 01:35 UTC20m
2026-06-11 N530VH - Jun 11, 14:30 UTCJun 11, 14:50 UTC20m
2026-06-10 N530VH - Jun 10, 22:30 UTCJun 10, 22:50 UTC20m
2026-06-10 N530VH - Jun 10, 14:00 UTCJun 10, 14:15 UTC15m
2026-06-09 N530VH - Jun 9, 23:05 UTCJun 9, 23:25 UTC20m
2026-06-09 N530VH - Jun 9, 14:25 UTCJun 9, 14:40 UTC15m
2026-06-08 N530VH - Jun 8, 21:55 UTCJun 8, 22:15 UTC20m
2026-06-08 N530VH - Jun 8, 14:40 UTCJun 8, 14:55 UTC15m
2026-06-06 N530VH - Jun 6, 22:20 UTCJun 6, 22:34 UTC15m
2026-06-06 N530VH - Jun 6, 15:10 UTCJun 6, 15:30 UTC20m
2026-06-06 N530VH - Jun 6, 00:05 UTCJun 6, 00:25 UTC20m
2026-06-05 N530VH - Jun 5, 15:10 UTCJun 5, 15:30 UTC20m
2026-06-05 N530VH - Jun 5, 01:05 UTCJun 5, 01:20 UTC15m
2026-06-04 N530VH - Jun 4, 15:15 UTCJun 4, 15:35 UTC20m
2026-06-03 N530VH - Jun 3, 22:55 UTCJun 3, 23:15 UTC20m
2026-06-03 N530VH - Jun 3, 16:10 UTCJun 3, 16:25 UTC15m
2026-06-02 N530VH - Jun 2, 22:55 UTCJun 2, 23:10 UTC15m
2026-06-02 N530VH - Jun 2, 15:40 UTCJun 2, 15:55 UTC15m
2026-06-01 N530VH - Jun 1, 23:00 UTCJun 1, 23:15 UTC15m
2026-06-01 N530VH - Jun 1, 15:15 UTCJun 1, 15:35 UTC20m
2026-05-22 N530VH - May 22, 17:30 UTCMay 22, 18:10 UTC40m
2026-05-03 N530VH - May 3, 23:39 UTCMay 3, 23:50 UTC10m
2026-04-30 N530VH - Apr 30, 17:40 UTCApr 30, 18:10 UTC30m
2026-04-30 N530VH - Apr 30, 16:20 UTCApr 30, 17:05 UTC45m
2026-04-27 N530VH - Apr 27, 16:15 UTCApr 27, 16:25 UTC10m
2026-04-24 N530VH - Apr 24, 21:10 UTCApr 24, 21:20 UTC10m
2026-04-20 N530VH - Apr 20, 20:25 UTCApr 20, 20:35 UTC10m

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 A6B250 frequently asked

What is Mode-S code A6B250?
A6B250 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A6B250 registered?
Mode-S code A6B250 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 A6B250 broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6B250, octal 51531120, decimal 10,924,624.
What flights does A6B250 operate?
Mode-S A6B250 has broadcast 1 distinct callsign, including N530VH.