Apparatus

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sensors Mode-S transponder

A6EEC9

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N546FX · BOMBARDIER BD-100 Challenger 350 · operated by FLEXJET LLC, PLEASURE POINT ASSOCIATES LLC

Hex
A6EEC9
Octal
51567311
Decimal
10,940,105
Country
US
Tail
N546FX
Type
CL35
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
242
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S A6EEC9.

Country allocation

The ICAO 24-bit address A6EEC9 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
LXJ546 - 242 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 LXJ546 - Jul 26, 17:25 UTCJul 26, 22:15 UTC4h 50m
2026-07-26 LXJ546 - Jul 26, 15:55 UTCJul 26, 16:30 UTC35m
2026-07-22 LXJ546 - Jul 22, 11:35 UTCJul 22, 11:55 UTC20m
2026-07-21 LXJ546 - Jul 21, 12:45 UTCJul 21, 15:15 UTC2h 30m
2026-07-20 LXJ546 - Jul 20, 20:10 UTCJul 20, 21:50 UTC1h 40m
2026-07-20 LXJ546 - Jul 20, 15:40 UTCJul 20, 18:45 UTC3h 5m
2026-07-20 LXJ546 - Jul 20, 12:35 UTCJul 20, 13:55 UTC1h 20m
2026-07-20 LXJ546 - Jul 20, 04:00 UTCJul 20, 04:20 UTC20m
2026-07-20 LXJ546 CLD → SFO Jul 20, 02:10 UTCJul 20, 03:15 UTC1h 5m
2026-07-20 LXJ546 - Jul 20, 00:20 UTCJul 20, 00:35 UTC15m
2026-07-19 LXJ546 - Jul 19, 22:00 UTCJul 19, 23:10 UTC1h 10m
2026-07-19 LXJ546 SEA → APC Jul 19, 18:20 UTCJul 19, 19:55 UTC1h 35m
2026-07-19 LXJ546 - Jul 19, 16:50 UTCJul 19, 17:10 UTC20m
2026-07-18 LXJ546 - Jul 18, 17:40 UTCJul 18, 18:10 UTC30m
2026-07-17 LXJ546 - Jul 17, 22:55 UTCJul 18, 02:50 UTC3h 56m
2026-07-17 LXJ546 - Jul 17, 21:00 UTCJul 17, 21:34 UTC35m
2026-07-17 LXJ546 SJC → DAL Jul 17, 16:44 UTCJul 17, 20:04 UTC3h 20m
2026-07-16 LXJ546 - Jul 16, 19:30 UTCJul 16, 20:25 UTC55m
2026-07-16 LXJ546 - Jul 16, 16:09 UTCJul 16, 18:44 UTC2h 35m
2026-07-16 LXJ546 AWM → DAL Jul 16, 13:45 UTCJul 16, 14:45 UTC1h 0m
2026-07-15 LXJ546 - Jul 15, 20:35 UTCJul 15, 21:40 UTC1h 5m
2026-07-15 LXJ546 - Jul 15, 15:45 UTCJul 15, 19:55 UTC4h 10m
2026-07-15 LXJ546 CCR → SJC Jul 15, 02:05 UTCJul 15, 02:30 UTC25m
2026-07-15 LXJ546 - Jul 15, 00:15 UTCJul 15, 01:20 UTC1h 5m
2026-07-14 LXJ546 - Jul 14, 19:10 UTCJul 14, 21:55 UTC2h 45m
2026-07-13 LXJ546 - Jul 13, 16:40 UTCJul 13, 18:45 UTC2h 5m
2026-07-12 LXJ546 - Jul 12, 23:45 UTCJul 13, 00:40 UTC55m
2026-07-12 LXJ546 - Jul 12, 17:05 UTCJul 12, 21:50 UTC4h 45m
2026-07-11 LXJ546 - Jul 11, 21:05 UTCJul 11, 23:00 UTC1h 55m
2026-07-10 LXJ546 - Jul 10, 16:05 UTCJul 10, 16:55 UTC50m
2026-07-09 LXJ546 - Jul 9, 20:30 UTCJul 9, 22:05 UTC1h 35m
2026-07-09 LXJ546 - Jul 9, 00:20 UTCJul 9, 22:05 UTC21h 45m
2026-07-08 LXJ546 - Jul 8, 22:20 UTCJul 9, 22:05 UTC23h 45m
2026-07-08 LXJ546 - Jul 8, 18:35 UTCJul 8, 20:25 UTC1h 50m
2026-07-05 LXJ546 - Jul 5, 19:45 UTCJul 5, 21:35 UTC1h 50m
2026-07-05 LXJ546 - Jul 5, 15:10 UTCJul 5, 16:05 UTC55m
2026-07-05 LXJ546 - Jul 5, 12:50 UTCJul 5, 13:40 UTC50m
2026-07-01 LXJ546 - Jul 1, 15:10 UTCJul 1, 16:05 UTC55m
2026-07-01 LXJ546 - Jul 1, 12:35 UTCJul 1, 13:30 UTC55m
2026-06-30 LXJ546 - Jun 30, 22:05 UTCJun 30, 23:45 UTC1h 40m
2026-06-30 LXJ546 - Jun 30, 17:10 UTCJun 30, 18:40 UTC1h 30m
2026-06-30 LXJ546 - Jun 30, 13:00 UTCJun 30, 13:55 UTC55m
2026-06-29 LXJ546 - Jun 29, 22:44 UTCJun 30, 00:30 UTC1h 45m
2026-06-29 LXJ546 - Jun 29, 20:49 UTCJun 29, 21:14 UTC25m
2026-06-29 LXJ546 - Jun 29, 18:14 UTCJun 29, 19:20 UTC1h 5m
2026-06-29 LXJ546 - Jun 29, 15:54 UTCJun 29, 17:19 UTC1h 25m
2026-06-29 LXJ546 - Jun 29, 02:20 UTCJun 29, 03:05 UTC45m
2026-06-29 LXJ546 - Jun 29, 00:05 UTCJun 29, 01:05 UTC1h 0m
2026-06-28 LXJ546 - Jun 28, 18:00 UTCJun 28, 21:55 UTC3h 55m
2026-06-27 LXJ546 - Jun 27, 19:05 UTCJun 27, 21:50 UTC2h 45m

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 N546FX page for operator, model, and routing details .

Mode-S A6EEC9 frequently asked

What is Mode-S code A6EEC9?
A6EEC9 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N546FX.
Where is Mode-S A6EEC9 registered?
Mode-S code A6EEC9 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 A6EEC9 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6EEC9, octal 51567311, decimal 10,940,105.
What flights does A6EEC9 operate?
Mode-S A6EEC9 has broadcast 1 distinct callsign, including LXJ546.