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sensors Mode-S transponder

A4109A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N361GA · operated by GLIDEWELL AVIATION INC

Hex
A4109A
Octal
51010232
Decimal
10,752,154
Country
US
Tail
N361GA
Type
C172
No current signal · last broadcast Jul 26, 13:25 UTC
Flights observed
222
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 13:25 UTC

Last known position

Most recent position reported by Mode-S A4109A.

Country allocation

The ICAO 24-bit address A4109A 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
N361GA - 222 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N361GA LNA → LNA Jul 26, 12:40 UTCJul 26, 13:25 UTC45m
2026-07-25 N361GA LNA → LNA Jul 25, 18:40 UTCJul 25, 18:45 UTC5m
2026-07-25 N361GA LNA → LNA Jul 25, 18:05 UTCJul 25, 18:35 UTC30m
2026-07-24 N361GA - Jul 24, 15:25 UTCJul 24, 15:30 UTC5m
2026-07-24 N361GA LNA → LNA Jul 24, 14:35 UTCJul 24, 15:20 UTC45m
2026-07-24 N361GA LNA → LNA Jul 24, 12:35 UTCJul 24, 13:30 UTC55m
2026-07-23 N361GA LNA → LNA Jul 23, 18:40 UTCJul 23, 19:30 UTC50m
2026-07-23 N361GA - Jul 23, 14:30 UTCJul 23, 15:10 UTC40m
2026-07-22 N361GA LNA → LNA Jul 22, 20:50 UTCJul 22, 21:50 UTC1h 0m
2026-07-22 N361GA LNA → LNA Jul 22, 15:45 UTCJul 22, 16:45 UTC1h 0m
2026-07-22 N361GA - Jul 22, 12:40 UTCJul 22, 13:05 UTC25m
2026-07-22 N361GA LNA → LNA Jul 22, 12:05 UTCJul 22, 12:20 UTC15m
2026-07-21 N361GA - Jul 21, 19:40 UTCJul 21, 20:10 UTC30m
2026-07-21 N361GA LNA → LNA Jul 21, 17:15 UTCJul 21, 17:50 UTC35m
2026-07-20 N361GA LNA → LNA Jul 20, 19:25 UTCJul 20, 19:50 UTC25m
2026-07-20 N361GA LNA → LNA Jul 20, 19:05 UTCJul 20, 19:10 UTC5m
2026-07-20 N361GA - Jul 20, 13:55 UTCJul 20, 17:00 UTC3h 5m
2026-07-17 N361GA LNA → CRG Jul 17, 17:35 UTCJul 17, 20:04 UTC2h 30m
2026-07-17 N361GA - Jul 17, 14:35 UTCJul 17, 15:40 UTC1h 5m
2026-07-16 N361GA LNA → LNA Jul 16, 15:40 UTCJul 16, 16:40 UTC1h 0m
2026-07-16 N361GA LNA → LNA Jul 16, 13:15 UTCJul 16, 13:20 UTC5m
2026-07-15 N361GA LNA → LNA Jul 15, 14:50 UTCJul 15, 14:55 UTC5m
2026-07-14 N361GA LNA → LNA Jul 14, 17:35 UTCJul 14, 18:35 UTC1h 0m
2026-07-14 N361GA LNA → LNA Jul 14, 15:45 UTCJul 14, 16:40 UTC55m
2026-07-14 N361GA LNA → LNA Jul 14, 15:35 UTCJul 14, 15:40 UTC5m
2026-07-13 N361GA LNA → LNA Jul 13, 17:55 UTCJul 13, 18:05 UTC10m
2026-07-13 N361GA - Jul 13, 15:40 UTCJul 13, 15:50 UTC10m
2026-07-13 N361GA - Jul 13, 15:05 UTCJul 13, 15:25 UTC20m
2026-07-13 N361GA LNA → LNA Jul 13, 13:45 UTCJul 13, 14:50 UTC1h 5m
2026-07-11 N361GA LNA → LNA Jul 11, 20:05 UTCJul 11, 20:25 UTC20m
2026-07-11 N361GA LNA → LNA Jul 11, 19:35 UTCJul 11, 20:00 UTC25m
2026-07-11 N361GA LNA → LNA Jul 11, 12:10 UTCJul 11, 12:55 UTC45m
2026-07-10 N361GA - Jul 10, 18:10 UTCJul 10, 19:10 UTC1h 0m
2026-07-10 N361GA LNA → LNA Jul 10, 15:50 UTCJul 10, 16:45 UTC55m
2026-07-10 N361GA LNA → LNA Jul 10, 12:45 UTCJul 10, 13:35 UTC50m
2026-07-09 N361GA - Jul 9, 20:10 UTCJul 9, 20:25 UTC15m
2026-07-09 N361GA LNA → LNA Jul 9, 15:35 UTCJul 9, 16:25 UTC50m
2026-07-08 N361GA LNA → LNA Jul 8, 20:00 UTCJul 8, 20:40 UTC40m
2026-07-08 N361GA - Jul 8, 15:10 UTCJul 8, 15:30 UTC20m
2026-07-08 N361GA LNA → LNA Jul 8, 14:40 UTCJul 8, 14:55 UTC15m
2026-07-07 N361GA - Jul 7, 17:45 UTCJul 7, 18:15 UTC30m
2026-07-06 N361GA LNA → LNA Jul 6, 23:25 UTCJul 6, 23:50 UTC25m
2026-07-06 N361GA - Jul 6, 22:55 UTCJul 6, 23:10 UTC15m
2026-07-06 N361GA LNA → LNA Jul 6, 14:40 UTCJul 6, 16:15 UTC1h 35m
2026-06-30 N361GA LNA → LNA Jun 30, 14:55 UTCJun 30, 15:10 UTC15m
2026-06-30 N361GA LNA → LNA Jun 30, 13:20 UTCJun 30, 13:30 UTC10m
2026-06-30 N361GA - Jun 30, 11:50 UTCJun 30, 12:50 UTC1h 0m
2026-06-29 N361GA LNA → LNA Jun 29, 14:39 UTCJun 29, 15:39 UTC1h 0m
2026-06-28 N361GA LNA → LNA Jun 28, 15:20 UTCJun 28, 15:49 UTC30m
2026-06-27 N361GA LNA → LNA Jun 27, 15:34 UTCJun 27, 16:49 UTC1h 15m

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 N361GA page for operator, model, and routing details .

Mode-S A4109A frequently asked

What is Mode-S code A4109A?
A4109A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N361GA.
Where is Mode-S A4109A registered?
Mode-S code A4109A 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 A4109A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 13:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A4109A, octal 51010232, decimal 10,752,154.
What flights does A4109A operate?
Mode-S A4109A has broadcast 1 distinct callsign, including N361GA.