Apparatus

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sensors Mode-S transponder

A57B33

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N452T · CESSNA 208 Caravan · operated by WRIGHT AIR SERVICE INC

Hex
A57B33
Octal
51275463
Decimal
10,844,979
Country
US
Tail
N452T
Type
C208
Broadcasting now · callsign N452T · 6,525 ft
Flights observed
104
Distinct callsigns
1
Country
US
Last broadcast
15h ago

Current position

A57B33 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A57B33 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
N452T - 104 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 N452T FAI → FAI Jul 18, 01:20 UTCJul 18, 02:35 UTC1h 15m
2026-07-17 N452T - Jul 17, 23:50 UTCJul 18, 00:19 UTC30m
2026-07-17 N452T - Jul 17, 22:35 UTCJul 17, 23:10 UTC35m
2026-07-17 N452T - Jul 17, 21:34 UTCJul 17, 22:05 UTC30m
2026-07-17 N452T - Jul 17, 19:49 UTCJul 17, 20:55 UTC1h 5m
2026-07-17 N452T - Jul 17, 19:25 UTCJul 17, 19:40 UTC15m
2026-07-17 N452T - Jul 17, 17:15 UTCJul 17, 17:35 UTC20m
2026-07-17 N452T - Jul 17, 00:20 UTCJul 17, 00:45 UTC25m
2026-07-07 N452T - Jul 7, 16:35 UTCJul 7, 16:55 UTC20m
2026-07-06 N452T - Jul 6, 23:15 UTCJul 6, 23:50 UTC35m
2026-07-06 N452T - Jul 6, 22:05 UTCJul 6, 22:35 UTC30m
2026-07-06 N452T - Jul 6, 20:10 UTCJul 6, 20:50 UTC40m
2026-07-06 N452T - Jul 6, 15:55 UTCJul 6, 16:35 UTC40m
2026-07-04 N452T - Jul 4, 00:55 UTCJul 4, 01:10 UTC15m
2026-07-03 N452T - Jul 3, 23:10 UTCJul 3, 23:20 UTC10m
2026-07-03 N452T - Jul 3, 19:45 UTCJul 3, 20:05 UTC20m
2026-07-03 N452T - Jul 3, 18:25 UTCJul 3, 18:40 UTC15m
2026-07-03 N452T - Jul 3, 16:25 UTCJul 3, 16:45 UTC20m
2026-07-03 N452T - Jul 3, 00:30 UTCJul 3, 00:50 UTC20m
2026-07-02 N452T - Jul 2, 23:00 UTCJul 2, 23:20 UTC20m
2026-07-02 N452T - Jul 2, 21:35 UTCJul 2, 22:10 UTC35m
2026-07-02 N452T - Jul 2, 19:30 UTCJul 2, 20:05 UTC35m
2026-07-01 N452T - Jul 1, 01:10 UTCJul 1, 01:25 UTC15m
2026-06-30 N452T - Jun 30, 22:00 UTCJun 30, 22:30 UTC30m
2026-06-30 N452T - Jun 30, 20:40 UTCJun 30, 21:00 UTC20m
2026-06-30 N452T - Jun 30, 17:30 UTCJun 30, 18:00 UTC30m
2026-06-30 N452T - Jun 30, 03:40 UTCJun 30, 03:55 UTC15m
2026-06-25 N452T - Jun 25, 19:09 UTCJun 25, 20:25 UTC1h 15m
2026-06-21 N452T - Jun 21, 19:00 UTCJun 21, 19:34 UTC35m
2026-06-18 N452T - Jun 18, 16:40 UTCJun 18, 17:05 UTC25m
2026-06-18 N452T - Jun 18, 00:10 UTCJun 18, 00:25 UTC15m
2026-06-17 N452T - Jun 17, 17:10 UTCJun 17, 17:35 UTC25m
2026-06-17 N452T - Jun 17, 01:00 UTCJun 17, 01:15 UTC15m
2026-06-16 N452T - Jun 16, 16:35 UTCJun 16, 17:00 UTC25m
2026-06-16 N452T - Jun 16, 00:20 UTCJun 16, 00:55 UTC35m
2026-06-15 N452T - Jun 15, 22:49 UTCJun 15, 23:30 UTC40m
2026-06-15 N452T FAI → FAI Jun 15, 22:00 UTCJun 15, 22:05 UTC5m
2026-06-13 N452T - Jun 13, 01:20 UTCJun 13, 01:35 UTC15m
2026-06-12 N452T - Jun 12, 16:40 UTCJun 12, 17:00 UTC20m
2026-06-12 N452T - Jun 12, 01:00 UTCJun 12, 01:20 UTC20m
2026-06-11 N452T - Jun 11, 16:45 UTCJun 11, 17:05 UTC20m
2026-06-11 N452T - Jun 11, 02:00 UTCJun 11, 02:15 UTC15m
2026-06-10 N452T - Jun 10, 16:50 UTCJun 10, 17:15 UTC25m
2026-06-10 N452T - Jun 10, 00:50 UTCJun 10, 01:20 UTC30m
2026-06-09 N452T - Jun 9, 22:15 UTCJun 9, 22:50 UTC35m
2026-06-09 N452T - Jun 9, 21:05 UTCJun 9, 21:25 UTC20m
2026-06-09 N452T - Jun 9, 17:30 UTCJun 9, 17:50 UTC20m
2026-06-09 N452T - Jun 9, 00:30 UTCJun 9, 01:00 UTC30m
2026-06-08 N452T - Jun 8, 23:00 UTCJun 8, 23:45 UTC45m
2026-06-06 N452T - Jun 6, 03:40 UTCJun 6, 03:50 UTC10m

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 N452T page for operator, model, and routing details .

Mode-S A57B33 frequently asked

What is Mode-S code A57B33?
A57B33 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N452T.
Where is Mode-S A57B33 registered?
Mode-S code A57B33 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 A57B33 broadcasting right now?
Yes. Mode-S A57B33 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A57B33, octal 51275463, decimal 10,844,979.
What flights does A57B33 operate?
Mode-S A57B33 has broadcast 1 distinct callsign, including N452T.