Apparatus

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sensors Mode-S transponder

A6BB6F

ICAO 24-bit transponder address · allocated to United States

Hex
A6BB6F
Octal
51535557
Decimal
10,926,959
Country
US
No current signal · last broadcast 4d ago
Flights observed
51
Distinct callsigns
1
Country
US
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S A6BB6F.

Country allocation

The ICAO 24-bit address A6BB6F 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
N5329A - 51 2026-06-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-17 N5329A - Jun 17, 17:55 UTCJun 17, 18:50 UTC55m
2026-06-17 N5329A - Jun 17, 14:15 UTCJun 17, 16:05 UTC1h 50m
2026-06-14 N5329A - Jun 14, 23:00 UTCJun 15, 00:55 UTC1h 54m
2026-06-14 N5329A - Jun 14, 21:10 UTCJun 14, 21:40 UTC30m
2026-06-14 N5329A - Jun 14, 19:50 UTCJun 14, 20:25 UTC35m
2026-06-11 N5329A - Jun 11, 16:55 UTCJun 11, 17:15 UTC20m
2026-06-11 N5329A - Jun 11, 15:55 UTCJun 11, 16:20 UTC25m
2026-06-11 N5329A - Jun 11, 03:00 UTCJun 11, 03:25 UTC25m
2026-06-11 N5329A - Jun 11, 00:00 UTCJun 11, 01:30 UTC1h 30m
2026-06-10 N5329A - Jun 10, 20:35 UTCJun 10, 21:10 UTC35m
2026-06-10 N5329A - Jun 10, 02:30 UTCJun 10, 03:10 UTC40m
2026-06-10 N5329A - Jun 10, 00:55 UTCJun 10, 02:00 UTC1h 5m
2026-06-09 N5329A - Jun 9, 21:35 UTCJun 9, 23:25 UTC1h 50m
2026-06-09 N5329A - Jun 9, 18:50 UTCJun 9, 20:40 UTC1h 50m
2026-06-09 N5329A - Jun 9, 16:45 UTCJun 9, 17:15 UTC30m
2026-06-09 N5329A - Jun 9, 15:30 UTCJun 9, 15:40 UTC10m
2026-06-07 N5329A - Jun 7, 01:55 UTCJun 7, 02:19 UTC25m
2026-06-06 N5329A - Jun 6, 23:35 UTCJun 6, 23:55 UTC20m
2026-06-05 N5329A - Jun 5, 17:30 UTCJun 5, 18:10 UTC40m
2026-06-05 N5329A - Jun 5, 12:55 UTCJun 5, 13:20 UTC25m
2026-06-04 N5329A - Jun 4, 19:20 UTCJun 4, 21:10 UTC1h 50m
2026-06-04 N5329A - Jun 4, 12:20 UTCJun 4, 14:20 UTC2h 0m
2026-06-03 N5329A - Jun 3, 19:50 UTCJun 3, 21:45 UTC1h 55m
2026-06-03 N5329A - Jun 3, 15:15 UTCJun 3, 17:15 UTC2h 0m
2026-05-30 N5329A - May 30, 23:00 UTCMay 31, 01:11 UTC2h 11m
2026-05-30 N5329A - May 30, 20:15 UTCMay 30, 20:55 UTC40m
2026-05-30 N5329A FNL → FNL May 30, 19:15 UTCMay 30, 19:35 UTC20m
2026-05-30 N5329A - May 30, 17:45 UTCMay 30, 18:15 UTC30m
2026-05-30 N5329A - May 30, 13:05 UTCMay 30, 15:15 UTC2h 10m
2026-05-29 N5329A - May 29, 18:50 UTCMay 29, 19:15 UTC25m
2026-05-29 N5329A - May 29, 14:55 UTCMay 29, 15:05 UTC10m
2026-05-28 N5329A - May 28, 20:15 UTCMay 28, 22:05 UTC1h 50m
2026-05-28 N5329A - May 28, 13:20 UTCMay 28, 15:15 UTC1h 55m
2026-05-27 N5329A - May 27, 22:35 UTCMay 27, 22:55 UTC20m
2026-05-27 N5329A - May 27, 21:25 UTCMay 27, 21:40 UTC15m
2026-05-23 N5329A - May 23, 14:00 UTCMay 23, 15:45 UTC1h 45m
2026-05-22 N5329A - May 22, 17:00 UTCMay 22, 18:05 UTC1h 5m
2026-05-22 N5329A - May 22, 13:50 UTCMay 22, 14:50 UTC1h 0m
2026-05-21 N5329A - May 21, 20:45 UTCMay 21, 21:10 UTC25m
2026-05-21 N5329A - May 21, 19:10 UTCMay 21, 19:20 UTC10m
2026-05-20 N5329A - May 20, 18:30 UTCMay 20, 19:15 UTC45m
2026-05-20 N5329A - May 20, 16:35 UTCMay 20, 16:45 UTC10m
2026-05-19 N5329A - May 19, 19:55 UTCMay 19, 20:40 UTC45m
2026-05-19 N5329A - May 19, 18:55 UTCMay 19, 19:05 UTC10m
2026-05-19 N5329A - May 19, 14:50 UTCMay 19, 15:35 UTC45m
2026-05-19 N5329A - May 19, 13:30 UTCMay 19, 13:45 UTC15m
2026-05-18 N5329A - May 18, 20:55 UTCMay 18, 21:10 UTC15m
2026-05-18 N5329A - May 18, 20:05 UTCMay 18, 20:20 UTC15m
2026-05-08 N5329A - May 8, 19:50 UTCMay 8, 20:35 UTC45m
2026-04-29 N5329A - Apr 29, 14:35 UTCApr 29, 14:50 UTC15m

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 A6BB6F frequently asked

What is Mode-S code A6BB6F?
A6BB6F is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A6BB6F registered?
Mode-S code A6BB6F 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 A6BB6F broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6BB6F, octal 51535557, decimal 10,926,959.
What flights does A6BB6F operate?
Mode-S A6BB6F has broadcast 1 distinct callsign, including N5329A.