Apparatus

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sensors Mode-S transponder

A20272

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N229AB · operated by MERIDIAN AIRCRAFT LLC

Hex
A20272
Octal
50401162
Decimal
10,617,458
Country
US
Tail
N229AB
Type
P28A
No current signal · last broadcast 1d ago
Flights observed
122
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A20272.

Country allocation

The ICAO 24-bit address A20272 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
CXK673 - 122 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 CXK673 LNS → MMU Jul 16, 17:40 UTCJul 16, 19:50 UTC2h 10m
2026-07-16 CXK673 - Jul 16, 15:30 UTCJul 16, 16:40 UTC1h 10m
2026-07-16 CXK673 - Jul 16, 10:35 UTCJul 16, 12:09 UTC1h 35m
2026-07-15 CXK673 - Jul 15, 23:35 UTCJul 16, 01:30 UTC1h 55m
2026-07-12 CXK673 - Jul 12, 09:30 UTCJul 12, 11:55 UTC2h 25m
2026-07-11 CXK673 - Jul 11, 19:40 UTCJul 11, 21:20 UTC1h 40m
2026-07-11 CXK673 - Jul 11, 18:05 UTCJul 11, 18:50 UTC45m
2026-07-11 CXK673 - Jul 11, 13:05 UTCJul 11, 13:45 UTC40m
2026-07-11 CXK673 - Jul 11, 09:35 UTCJul 11, 11:05 UTC1h 30m
2026-07-10 CXK673 - Jul 10, 20:55 UTCJul 10, 22:35 UTC1h 40m
2026-07-10 CXK673 - Jul 10, 18:35 UTCJul 10, 18:55 UTC20m
2026-07-10 CXK673 - Jul 10, 17:15 UTCJul 10, 17:55 UTC40m
2026-07-10 CXK673 - Jul 10, 15:55 UTCJul 10, 16:15 UTC20m
2026-07-10 CXK673 - Jul 10, 14:40 UTCJul 10, 15:15 UTC35m
2026-07-10 CXK673 - Jul 10, 12:20 UTCJul 10, 13:50 UTC1h 30m
2026-07-09 CXK673 - Jul 9, 15:05 UTCJul 9, 18:05 UTC3h 0m
2026-07-08 CXK673 - Jul 8, 23:05 UTCJul 9, 00:40 UTC1h 35m
2026-07-08 CXK673 - Jul 8, 20:20 UTCJul 8, 22:10 UTC1h 50m
2026-07-08 CXK673 - Jul 8, 18:30 UTCJul 8, 19:20 UTC50m
2026-07-08 CXK673 - Jul 8, 17:20 UTCJul 8, 17:50 UTC30m
2026-07-07 CXK673 - Jul 7, 22:10 UTCJul 8, 00:00 UTC1h 50m
2026-07-07 CXK673 - Jul 7, 17:55 UTCJul 7, 19:50 UTC1h 55m
2026-07-05 CXK673 - Jul 5, 15:50 UTCJul 5, 17:00 UTC1h 10m
2026-07-03 CXK673 - Jul 3, 16:15 UTCJul 3, 16:50 UTC35m
2026-07-03 CXK673 - Jul 3, 12:30 UTCJul 3, 14:15 UTC1h 45m
2026-07-01 CXK673 MMU → MMU Jul 1, 14:45 UTCJul 1, 15:55 UTC1h 10m
2026-07-01 CXK673 - Jul 1, 08:55 UTCJul 1, 10:45 UTC1h 50m
2026-06-30 CXK673 - Jun 30, 22:55 UTCJul 1, 00:10 UTC1h 15m
2026-06-30 CXK673 - Jun 30, 19:40 UTCJun 30, 21:15 UTC1h 35m
2026-06-30 CXK673 - Jun 30, 13:15 UTCJun 30, 16:30 UTC3h 15m
2026-06-30 CXK673 - Jun 30, 09:05 UTCJun 30, 11:25 UTC2h 20m
2026-06-29 CXK673 - Jun 29, 23:44 UTCJun 30, 00:04 UTC20m
2026-06-29 CXK673 - Jun 29, 22:19 UTCJun 29, 22:55 UTC35m
2026-06-29 CXK673 - Jun 29, 15:30 UTCJun 29, 17:34 UTC2h 5m
2026-06-29 CXK673 - Jun 29, 13:30 UTCJun 29, 14:19 UTC50m
2026-06-29 CXK673 - Jun 29, 11:55 UTCJun 29, 12:49 UTC55m
2026-06-29 CXK673 - Jun 29, 08:54 UTCJun 29, 10:44 UTC1h 50m
2026-06-28 CXK673 - Jun 28, 22:49 UTCJun 29, 00:24 UTC1h 35m
2026-06-28 CXK673 - Jun 28, 20:14 UTCJun 28, 21:55 UTC1h 40m
2026-06-28 CXK673 - Jun 28, 13:00 UTCJun 28, 14:19 UTC1h 20m
2026-06-28 CXK673 - Jun 28, 10:10 UTCJun 28, 12:15 UTC2h 5m
2026-06-27 CXK673 - Jun 27, 14:29 UTCJun 27, 15:30 UTC1h 0m
2026-06-27 CXK673 MMU → MMU Jun 27, 01:54 UTCJun 27, 04:05 UTC2h 10m
2026-06-27 CXK673 - Jun 27, 00:00 UTCJun 27, 00:39 UTC40m
2026-06-26 CXK673 - Jun 26, 21:10 UTCJun 26, 22:49 UTC1h 40m
2026-06-26 CXK673 - Jun 26, 19:09 UTCJun 26, 20:04 UTC55m
2026-06-26 CXK673 ISP → MMU Jun 26, 15:05 UTCJun 26, 16:14 UTC1h 10m
2026-06-25 CXK673 - Jun 25, 09:34 UTCJun 25, 11:54 UTC2h 20m
2026-06-24 CXK673 ISP → ISP Jun 24, 12:25 UTCJun 24, 13:44 UTC1h 20m
2026-06-24 CXK673 - Jun 24, 01:55 UTCJun 24, 04:59 UTC3h 5m

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 N229AB page for operator, model, and routing details .

Mode-S A20272 frequently asked

What is Mode-S code A20272?
A20272 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N229AB.
Where is Mode-S A20272 registered?
Mode-S code A20272 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 A20272 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A20272, octal 50401162, decimal 10,617,458.
What flights does A20272 operate?
Mode-S A20272 has broadcast 1 distinct callsign, including CXK673.