Apparatus

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sensors Mode-S transponder

A945B9

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N697LH · operated by FF22 LLC

Hex
A945B9
Octal
52242671
Decimal
11,093,433
Country
US
Tail
N697LH
Type
P28A
No current signal · last broadcast 1h ago
Flights observed
184
Distinct callsigns
1
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A945B9.

Country allocation

The ICAO 24-bit address A945B9 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
LFA554 - 184 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-02 LFA554 SFB → SFB Jul 2, 17:45 UTCJul 2, 19:45 UTC2h 0m
2026-07-01 LFA554 - Jul 1, 17:35 UTCJul 1, 18:55 UTC1h 20m
2026-07-01 LFA554 - Jul 1, 14:20 UTCJul 1, 15:10 UTC50m
2026-06-30 LFA554 - Jun 30, 22:20 UTCJun 30, 23:35 UTC1h 15m
2026-06-30 LFA554 - Jun 30, 18:05 UTCJun 30, 21:10 UTC3h 5m
2026-06-30 LFA554 - Jun 30, 14:55 UTCJun 30, 16:25 UTC1h 30m
2026-06-29 LFA554 APF → SFB Jun 29, 23:34 UTCJun 30, 02:00 UTC2h 26m
2026-06-29 LFA554 - Jun 29, 20:00 UTCJun 29, 21:09 UTC1h 10m
2026-06-29 LFA554 - Jun 29, 15:14 UTCJun 29, 17:30 UTC2h 15m
2026-06-28 LFA554 - Jun 28, 16:29 UTCJun 28, 18:29 UTC2h 0m
2026-06-28 LFA554 - Jun 28, 13:25 UTCJun 28, 15:09 UTC1h 45m
2026-06-27 LFA554 - Jun 27, 19:59 UTCJun 27, 20:19 UTC20m
2026-06-27 LFA554 - Jun 27, 17:49 UTCJun 27, 19:24 UTC1h 35m
2026-06-27 LFA554 - Jun 27, 14:54 UTCJun 27, 16:44 UTC1h 50m
2026-06-26 LFA554 - Jun 26, 16:49 UTCJun 26, 18:20 UTC1h 30m
2026-06-26 LFA554 SFB → SFB Jun 26, 13:45 UTCJun 26, 15:39 UTC1h 55m
2026-06-25 LFA554 - Jun 25, 15:34 UTCJun 25, 16:35 UTC1h 0m
2026-06-24 LFA554 - Jun 24, 14:04 UTCJun 24, 14:24 UTC20m
2026-06-24 LFA554 - Jun 24, 01:14 UTCJun 24, 03:04 UTC1h 50m
2026-06-23 LFA554 - Jun 23, 18:10 UTCJun 23, 20:10 UTC2h 0m
2026-06-23 LFA554 - Jun 23, 15:09 UTCJun 23, 15:50 UTC40m
2026-06-23 LFA554 - Jun 23, 09:54 UTCJun 23, 10:24 UTC30m
2026-06-22 LFA554 - Jun 22, 21:30 UTCJun 22, 22:59 UTC1h 30m
2026-06-22 LFA554 SFB → SFB Jun 22, 15:20 UTCJun 22, 18:00 UTC2h 40m
2026-06-22 LFA554 - Jun 22, 12:30 UTCJun 22, 14:05 UTC1h 35m
2026-06-21 LFA554 - Jun 21, 23:34 UTCJun 22, 00:29 UTC55m
2026-06-21 LFA554 - Jun 21, 21:34 UTCJun 21, 22:20 UTC45m
2026-06-21 LFA554 - Jun 21, 15:49 UTCJun 21, 16:39 UTC50m
2026-06-21 LFA554 SFB → SFB Jun 21, 11:05 UTCJun 21, 12:24 UTC1h 20m
2026-06-20 LFA554 SFB → SFB Jun 20, 13:49 UTCJun 20, 15:04 UTC1h 15m
2026-06-20 LFA554 - Jun 20, 11:25 UTCJun 20, 11:59 UTC35m
2026-06-19 LFA554 SFB → SFB Jun 19, 16:49 UTCJun 19, 17:49 UTC1h 0m
2026-06-19 LFA554 - Jun 19, 12:25 UTCJun 19, 14:09 UTC1h 45m
2026-06-18 LFA554 - Jun 18, 20:15 UTCJun 18, 22:05 UTC1h 50m
2026-06-18 LFA554 - Jun 18, 17:00 UTCJun 18, 17:50 UTC50m
2026-06-17 LFA554 - Jun 17, 18:10 UTCJun 17, 19:30 UTC1h 20m
2026-06-17 LFA554 - Jun 17, 13:25 UTCJun 17, 14:20 UTC55m
2026-06-16 LFA554 SFB → SFB Jun 16, 16:55 UTCJun 16, 18:09 UTC1h 15m
2026-06-16 LFA554 - Jun 16, 13:40 UTCJun 16, 14:25 UTC45m
2026-06-16 LFA554 - Jun 16, 12:30 UTCJun 16, 13:00 UTC30m
2026-06-15 LFA554 - Jun 15, 16:30 UTCJun 15, 17:54 UTC1h 25m
2026-06-15 LFA554 - Jun 15, 13:25 UTCJun 15, 15:25 UTC2h 0m
2026-06-13 LFA554 - Jun 13, 17:05 UTCJun 13, 18:45 UTC1h 40m
2026-06-13 LFA554 SFB → SFB Jun 13, 13:25 UTCJun 13, 14:20 UTC55m
2026-06-13 LFA554 - Jun 13, 11:40 UTCJun 13, 11:55 UTC15m
2026-06-12 LFA554 - Jun 12, 20:25 UTCJun 12, 22:10 UTC1h 45m
2026-06-12 LFA554 - Jun 12, 17:30 UTCJun 12, 19:05 UTC1h 35m
2026-06-12 LFA554 - Jun 12, 16:05 UTCJun 12, 16:40 UTC35m
2026-06-12 LFA554 - Jun 12, 15:00 UTCJun 12, 15:25 UTC25m
2026-06-12 LFA554 - Jun 12, 11:55 UTCJun 12, 13:25 UTC1h 30m

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 N697LH page for operator, model, and routing details .

Mode-S A945B9 frequently asked

What is Mode-S code A945B9?
A945B9 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N697LH.
Where is Mode-S A945B9 registered?
Mode-S code A945B9 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 A945B9 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A945B9, octal 52242671, decimal 11,093,433.
What flights does A945B9 operate?
Mode-S A945B9 has broadcast 1 distinct callsign, including LFA554.