Apparatus

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sensors Mode-S transponder

A2A2BB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N269ZR · operated by CERULEAN 1 LLC

Hex
A2A2BB
Octal
50521273
Decimal
10,658,491
Country
US
Tail
N269ZR
Type
CRJ2
No current signal · last broadcast 2h ago
Flights observed
85
Distinct callsigns
1
Country
US
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S A2A2BB.

Country allocation

The ICAO 24-bit address A2A2BB 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
N269ZR - 85 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N269ZR VNY → LAS Jul 13, 23:55 UTCJul 14, 00:40 UTC45m
2026-07-13 N269ZR LAS → VNY Jul 13, 22:15 UTCJul 13, 22:55 UTC40m
2026-07-13 N269ZR VNY → LAS Jul 13, 00:50 UTCJul 13, 01:35 UTC45m
2026-07-12 N269ZR LAS → VNY Jul 12, 23:20 UTCJul 13, 00:05 UTC45m
2026-07-12 N269ZR VNY → LAS Jul 12, 21:00 UTCJul 12, 21:45 UTC45m
2026-07-11 N269ZR LAS → VNY Jul 11, 22:45 UTCJul 11, 23:25 UTC40m
2026-07-10 N269ZR VNY → LAS Jul 10, 21:20 UTCJul 10, 22:00 UTC40m
2026-07-10 N269ZR LAS → VNY Jul 10, 18:10 UTCJul 10, 18:50 UTC40m
2026-07-10 N269ZR SAC → LAS Jul 10, 05:45 UTCJul 10, 06:45 UTC1h 0m
2026-07-10 N269ZR - Jul 10, 02:10 UTCJul 10, 03:15 UTC1h 5m
2026-07-09 N269ZR VNY → LAS Jul 9, 23:50 UTCJul 10, 00:35 UTC45m
2026-07-09 N269ZR SEA → VNY Jul 9, 19:30 UTCJul 9, 21:40 UTC2h 10m
2026-07-07 N269ZR LAS → SEA Jul 7, 21:35 UTCJul 7, 23:35 UTC2h 0m
2026-07-07 N269ZR PVU → LAS Jul 7, 02:30 UTCJul 7, 03:25 UTC55m
2026-07-06 N269ZR - Jul 6, 22:50 UTCJul 7, 01:05 UTC2h 15m
2026-07-03 N269ZR - Jul 3, 14:15 UTCJul 3, 16:20 UTC2h 5m
2026-07-02 N269ZR LAS → PVU Jul 2, 18:15 UTCJul 2, 19:10 UTC55m
2026-07-01 N269ZR - Jul 1, 23:15 UTCJul 2, 00:00 UTC45m
2026-07-01 N269ZR - Jul 1, 17:20 UTCJul 1, 18:00 UTC40m
2026-06-29 N269ZR - Jun 29, 05:15 UTCJun 29, 06:19 UTC1h 5m
2026-06-29 N269ZR - Jun 29, 02:54 UTCJun 29, 04:25 UTC1h 30m
2026-06-29 N269ZR LAS → SLC Jun 29, 00:14 UTCJun 29, 01:14 UTC1h 0m
2026-06-28 N269ZR VNY → LAS Jun 28, 19:34 UTCJun 28, 20:19 UTC45m
2026-06-28 N269ZR LAS → VNY Jun 28, 17:55 UTCJun 28, 18:40 UTC45m
2026-06-26 N269ZR VNY → LAS Jun 26, 21:24 UTCJun 26, 22:05 UTC40m
2026-06-26 N269ZR LAS → VNY Jun 26, 18:29 UTCJun 26, 19:14 UTC45m
2026-06-24 N269ZR - Jun 24, 00:59 UTCJun 24, 02:05 UTC1h 5m
2026-06-23 N269ZR HSH → SLC Jun 23, 16:20 UTCJun 23, 17:15 UTC55m
2026-06-22 N269ZR - Jun 22, 21:00 UTCJun 22, 21:45 UTC45m
2026-06-22 N269ZR - Jun 22, 17:29 UTCJun 22, 18:15 UTC45m
2026-06-21 N269ZR OAK → LAS Jun 21, 22:49 UTCJun 21, 23:55 UTC1h 5m
2026-06-21 N269ZR - Jun 21, 20:00 UTCJun 21, 21:10 UTC1h 10m
2026-06-21 N269ZR - Jun 21, 17:39 UTCJun 21, 18:04 UTC25m
2026-06-21 N269ZR - Jun 21, 02:15 UTCJun 21, 02:55 UTC40m
2026-06-20 N269ZR SAN → LAS Jun 20, 02:40 UTCJun 20, 03:34 UTC55m
2026-06-19 N269ZR OAK → SAN Jun 19, 23:39 UTCJun 20, 00:49 UTC1h 10m
2026-06-19 N269ZR LAS → OAK Jun 19, 20:29 UTCJun 19, 21:39 UTC1h 10m
2026-06-19 N269ZR VNY → LAS Jun 19, 18:39 UTCJun 19, 19:19 UTC40m
2026-06-19 N269ZR LAS → VNY Jun 19, 15:59 UTCJun 19, 16:44 UTC45m
2026-06-18 N269ZR - Jun 18, 02:05 UTCJun 18, 02:50 UTC45m
2026-06-17 N269ZR - Jun 17, 19:45 UTCJun 17, 20:25 UTC40m
2026-06-16 N269ZR VNY → LAS Jun 16, 21:00 UTCJun 16, 21:45 UTC45m
2026-06-16 N269ZR LAS → VNY Jun 16, 18:15 UTCJun 16, 19:00 UTC45m
2026-06-12 N269ZR - Jun 12, 19:25 UTCJun 12, 20:20 UTC55m
2026-06-12 N269ZR - Jun 12, 14:55 UTCJun 12, 18:01 UTC3h 5m
2026-06-11 N269ZR - Jun 11, 22:40 UTCJun 12, 00:10 UTC1h 30m
2026-06-11 N269ZR - Jun 11, 20:20 UTCJun 11, 21:25 UTC1h 5m
2026-06-10 N269ZR AUS → DTW Jun 10, 22:35 UTCJun 11, 01:05 UTC2h 30m
2026-06-10 N269ZR - Jun 10, 03:45 UTCJun 10, 06:15 UTC2h 30m
2026-06-09 N269ZR - Jun 9, 03:05 UTCJun 9, 03:35 UTC30m

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 N269ZR page for operator, model, and routing details .

Mode-S A2A2BB frequently asked

What is Mode-S code A2A2BB?
A2A2BB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N269ZR.
Where is Mode-S A2A2BB registered?
Mode-S code A2A2BB 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 A2A2BB broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2A2BB, octal 50521273, decimal 10,658,491.
What flights does A2A2BB operate?
Mode-S A2A2BB has broadcast 1 distinct callsign, including N269ZR.