Apparatus

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sensors Mode-S transponder

A233D0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N241BA · CESSNA 208 Caravan · operated by BERING AIR INC

Hex
A233D0
Octal
50431720
Decimal
10,630,096
Country
US
Tail
N241BA
Type
C208
No current signal · last broadcast 3d ago
Flights observed
145
Distinct callsigns
20
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S A233D0.

Country allocation

The ICAO 24-bit address A233D0 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 20 distinct

Callsign Airline Flights Last seen
BRG611 - 9 2026-06-24
BRG884 - 8 2026-07-11
BRG622 - 8 2026-07-03
BRG621 - 7 2026-07-03
BRG880 - 6 2026-07-10
BRG650 - 6 2026-07-06
BRG805 - 5 2026-06-23
BRG682 - 5 2026-06-28
BRG661 Bering Air 5 2026-07-02
BRG644 - 5 2026-06-26
BRG630 - 5 2026-07-05
BRG605 - 5 2026-07-06
BRG594 - 5 2026-07-06
BRG681 - 4 2026-07-05
BRG663 - 4 2026-07-03
BRG632 Bering Air 4 2026-04-21
BRG590 - 4 2026-06-30
BRG888 Bering Air 3 2026-05-16
BRG570 Bering Air 3 2026-04-19
BRG530 - 3 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-11 BRG884 - Jul 11, 00:35 UTCJul 11, 00:45 UTC10m
2026-07-10 BRG2880 - Jul 10, 21:55 UTCJul 10, 22:05 UTC10m
2026-07-10 BRG880 - Jul 10, 19:30 UTCJul 10, 19:40 UTC10m
2026-07-08 BRG884 - Jul 8, 23:40 UTCJul 9, 00:45 UTC1h 5m
2026-07-08 BRG880 - Jul 8, 17:35 UTCJul 8, 18:20 UTC45m
2026-07-06 BRG605 - Jul 6, 23:40 UTCJul 7, 00:30 UTC50m
2026-07-06 BRG594 KVL → OTZ Jul 6, 21:55 UTCJul 6, 22:45 UTC50m
2026-07-06 BRG594 - Jul 6, 20:25 UTCJul 6, 21:50 UTC1h 25m
2026-07-06 BRG594 OTZ → ABL Jul 6, 19:10 UTCJul 6, 20:15 UTC1h 5m
2026-07-06 BRG650 OTZ → OTZ Jul 6, 17:30 UTCJul 6, 18:35 UTC1h 5m
2026-07-05 BRG530 - Jul 5, 23:55 UTCJul 6, 01:05 UTC1h 10m
2026-07-05 BRG530 OTZ → OTZ Jul 5, 22:00 UTCJul 5, 23:20 UTC1h 20m
2026-07-05 BRG630 - Jul 5, 18:50 UTCJul 5, 19:05 UTC15m
2026-07-05 BRG630 OTZ → ORV Jul 5, 17:50 UTCJul 5, 18:45 UTC55m
2026-07-05 BRG681 OTZ → OTZ Jul 5, 16:20 UTCJul 5, 17:10 UTC50m
2026-07-03 BRG663 OTZ → OTZ Jul 3, 22:35 UTCJul 4, 00:35 UTC2h 0m
2026-07-03 BRG621 - Jul 3, 17:40 UTCJul 3, 19:10 UTC1h 30m
2026-07-03 BRG621 OTZ → ABL Jul 3, 16:40 UTCJul 3, 17:25 UTC45m
2026-07-03 BRG622 ABL → OTZ Jul 3, 00:05 UTCJul 3, 01:30 UTC1h 25m
2026-07-02 BRG622 - Jul 2, 23:10 UTCJul 2, 23:55 UTC45m
2026-07-02 BRG2632 - Jul 2, 20:20 UTCJul 2, 21:15 UTC55m
2026-07-02 BRG661 KVL → OTZ Jul 2, 19:30 UTCJul 2, 19:55 UTC25m
2026-07-02 BRG661 KVL → OTZ Jul 2, 17:35 UTCJul 2, 18:10 UTC35m
2026-07-02 BRG2622 - Jul 2, 01:05 UTCJul 2, 01:50 UTC45m
2026-07-02 BRG2622 - Jul 2, 00:00 UTCJul 2, 00:45 UTC45m
2026-07-01 BRG2622 - Jul 1, 23:00 UTCJul 1, 23:45 UTC45m
2026-07-01 BRG2611 OTZ → OTZ Jul 1, 20:05 UTCJul 1, 20:55 UTC50m
2026-07-01 BRG650 OTZ → OTZ Jul 1, 17:45 UTCJul 1, 18:55 UTC1h 10m
2026-07-01 BRG3632 OTZ → OTZ Jul 1, 00:15 UTCJul 1, 01:00 UTC45m
2026-06-30 BRG590 KVL → OTZ Jun 30, 20:30 UTCJun 30, 22:20 UTC1h 50m
2026-06-30 BRG590 OTZ → KVL Jun 30, 19:30 UTCJun 30, 20:25 UTC55m
2026-06-30 BRG650 OTZ → OTZ Jun 30, 17:30 UTCJun 30, 18:40 UTC1h 10m
2026-06-29 BRG663 OTZ → OTZ Jun 29, 23:19 UTCJun 30, 01:25 UTC2h 5m
2026-06-29 BRG3650 WLK → OTZ Jun 29, 20:44 UTCJun 29, 22:05 UTC1h 20m
2026-06-29 BRG630 OTZ → OTZ Jun 29, 17:55 UTCJun 29, 19:00 UTC1h 5m
2026-06-29 BRG681 OTZ → OTZ Jun 29, 16:25 UTCJun 29, 17:24 UTC1h 0m
2026-06-29 BRG652 - Jun 29, 00:14 UTCJun 29, 01:29 UTC1h 15m
2026-06-28 BRG682 - Jun 28, 23:14 UTCJun 28, 23:44 UTC30m
2026-06-28 BRG682 OTZ → KVL Jun 28, 22:20 UTCJun 28, 23:04 UTC45m
2026-06-28 BRG2650 WLK → OTZ Jun 28, 20:14 UTCJun 28, 21:24 UTC1h 10m
2026-06-28 BRG621 - Jun 28, 18:59 UTCJun 28, 19:44 UTC45m
2026-06-28 BRG621 OTZ → ABL Jun 28, 17:04 UTCJun 28, 18:44 UTC1h 40m
2026-06-28 BRG622 ABL → OTZ Jun 28, 00:04 UTCJun 28, 00:50 UTC45m
2026-06-27 BRG622 OTZ → ABL Jun 27, 23:04 UTCJun 27, 23:50 UTC45m
2026-06-27 BRG2682 KVL → OTZ Jun 27, 20:55 UTCJun 27, 21:25 UTC30m
2026-06-27 BRG2682 OTZ → KVL Jun 27, 20:14 UTCJun 27, 20:44 UTC30m
2026-06-27 BRG661 KVL → OTZ Jun 27, 18:54 UTCJun 27, 19:19 UTC25m
2026-06-27 BRG661 KVL → OTZ Jun 27, 17:04 UTCJun 27, 18:45 UTC1h 40m
2026-06-27 BRG622 - Jun 27, 01:24 UTCJun 27, 02:09 UTC45m
2026-06-26 BRG622 OTZ → ABL Jun 26, 23:19 UTCJun 27, 01:15 UTC1h 55m

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 N241BA page for operator, model, and routing details .

Mode-S A233D0 frequently asked

What is Mode-S code A233D0?
A233D0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N241BA.
Where is Mode-S A233D0 registered?
Mode-S code A233D0 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 A233D0 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A233D0, octal 50431720, decimal 10,630,096.
What flights does A233D0 operate?
Mode-S A233D0 has broadcast 20 distinct callsigns, including BRG611, BRG884, BRG622, BRG621, BRG880.