Apparatus

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sensors Mode-S transponder

A24DD1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N248BA · CESSNA 208 Caravan · operated by BERING AIR INC

Hex
A24DD1
Octal
50446721
Decimal
10,636,753
Country
US
Tail
N248BA
Type
C208
No current signal · last broadcast 2d ago
Flights observed
195
Distinct callsigns
20
Country
US
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S A24DD1.

Country allocation

The ICAO 24-bit address A24DD1 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
BRG644 - 12 2026-06-22
BRG621 - 12 2026-06-20
BRG661 Bering Air 11 2026-06-19
BRG641 Bering Air 11 2026-06-13
BRG652 - 10 2026-06-20
BRG663 - 9 2026-06-21
BRG682 - 8 2026-06-19
BRG632 - 8 2026-06-22
BRG2621 Bering Air 8 2026-06-19
BRG605 - 7 2026-07-11
BRG590 - 7 2026-06-18
BRG2661 Bering Air 7 2026-06-22
BRG884 - 6 2026-07-16
BRG650 - 6 2026-06-22
BRG611 - 6 2026-07-10
BRG2671 Bering Air 6 2026-05-21
BRG805 - 5 2026-07-10
BRG622 - 5 2026-06-23
BRG530 - 5 2026-07-10
BRG2650 Bering Air 4 2026-06-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 BRG884 - Jul 16, 00:50 UTCJul 16, 01:00 UTC10m
2026-07-11 BRG605 - Jul 11, 00:25 UTCJul 11, 00:50 UTC25m
2026-07-10 BRG605 OTZ → DRG Jul 10, 23:50 UTCJul 11, 00:15 UTC25m
2026-07-10 BRG3650 WLK → OTZ Jul 10, 21:35 UTCJul 10, 22:50 UTC1h 15m
2026-07-10 BRG530 - Jul 10, 19:50 UTCJul 10, 20:50 UTC1h 0m
2026-07-10 BRG611 OTZ → OTZ Jul 10, 17:55 UTCJul 10, 18:40 UTC45m
2026-07-10 BRG805 - Jul 10, 16:20 UTCJul 10, 17:00 UTC40m
2026-07-06 BRG884 - Jul 6, 23:45 UTCJul 7, 01:00 UTC1h 15m
2026-07-06 BRG880 - Jul 6, 17:55 UTCJul 6, 18:15 UTC20m
2026-07-05 BRG815 OME → KKA Jul 5, 18:40 UTCJul 5, 18:55 UTC15m
2026-07-03 BRG884 - Jul 3, 00:45 UTCJul 3, 01:10 UTC25m
2026-07-03 BRG884 - Jul 3, 00:00 UTCJul 3, 00:15 UTC15m
2026-06-28 BRG888 - Jun 28, 20:19 UTCJun 28, 21:24 UTC1h 5m
2026-06-27 BRG846 - Jun 27, 22:15 UTCJun 27, 22:35 UTC20m
2026-06-26 BRG605 - Jun 26, 00:50 UTCJun 26, 01:10 UTC20m
2026-06-26 BRG605 OTZ → DRG Jun 26, 00:10 UTCJun 26, 00:39 UTC30m
2026-06-25 BRG960 OTZ → OTZ Jun 25, 23:14 UTCJun 25, 23:19 UTC5m
2026-06-23 BRG3652 OTZ → OTZ Jun 23, 02:09 UTCJun 23, 03:20 UTC1h 10m
2026-06-23 BRG622 - Jun 23, 00:54 UTCJun 23, 01:35 UTC40m
2026-06-22 BRG622 OTZ → ABL Jun 22, 23:14 UTCJun 23, 00:45 UTC1h 30m
2026-06-22 BRG2661 KVL → OTZ Jun 22, 21:54 UTCJun 22, 22:24 UTC30m
2026-06-22 BRG2661 KVL → OTZ Jun 22, 21:14 UTCJun 22, 21:40 UTC25m
2026-06-22 BRG2661 KVL → OTZ Jun 22, 19:44 UTCJun 22, 20:34 UTC50m
2026-06-22 BRG650 OTZ → OTZ Jun 22, 17:40 UTCJun 22, 18:49 UTC1h 10m
2026-06-22 BRG632 OTZ → OTZ Jun 22, 01:25 UTCJun 22, 02:25 UTC1h 0m
2026-06-22 BRG644 DRG → OTZ Jun 22, 00:40 UTCJun 22, 01:05 UTC25m
2026-06-21 BRG644 OTZ → DRG Jun 21, 23:30 UTCJun 22, 00:29 UTC1h 0m
2026-06-21 BRG663 - Jun 21, 00:55 UTCJun 21, 01:45 UTC50m
2026-06-20 BRG663 - Jun 20, 23:25 UTCJun 21, 00:19 UTC55m
2026-06-20 BRG3630 - Jun 20, 21:34 UTCJun 20, 22:35 UTC1h 0m
2026-06-20 BRG621 ABL → OTZ Jun 20, 20:05 UTCJun 20, 21:05 UTC1h 0m
2026-06-20 BRG621 OTZ → ABL Jun 20, 18:45 UTCJun 20, 19:55 UTC1h 10m
2026-06-20 BRG652 - Jun 20, 00:19 UTCJun 20, 01:24 UTC1h 5m
2026-06-19 BRG682 - Jun 19, 23:25 UTCJun 19, 23:54 UTC30m
2026-06-19 BRG682 OTZ → KVL Jun 19, 22:19 UTCJun 19, 23:14 UTC55m
2026-06-19 BRG2621 OBU → OTZ Jun 19, 19:59 UTCJun 19, 20:44 UTC45m
2026-06-19 BRG2621 OBU → OTZ Jun 19, 19:04 UTCJun 19, 19:49 UTC45m
2026-06-19 BRG661 KVL → OTZ Jun 19, 17:49 UTCJun 19, 18:20 UTC30m
2026-06-19 BRG661 KVL → OTZ Jun 19, 16:59 UTCJun 19, 17:29 UTC30m
2026-06-19 BRG2632 - Jun 19, 02:50 UTCJun 19, 03:05 UTC15m
2026-06-19 BRG2632 - Jun 19, 02:19 UTCJun 19, 02:39 UTC20m
2026-06-19 BRG652 - Jun 19, 00:45 UTCJun 19, 01:59 UTC1h 15m
2026-06-18 BRG590 - Jun 18, 23:55 UTCJun 19, 00:14 UTC19m
2026-06-18 BRG590 OTZ → DRG Jun 18, 20:50 UTCJun 18, 23:45 UTC2h 55m
2026-06-18 BRG644 - Jun 18, 00:25 UTCJun 18, 01:25 UTC1h 0m
2026-06-17 BRG644 OTZ → DRG Jun 17, 23:45 UTCJun 18, 00:10 UTC25m
2026-06-17 BRG530 WLK → OTZ Jun 17, 21:55 UTCJun 17, 22:20 UTC25m
2026-06-17 BRG530 WLK → OTZ Jun 17, 21:15 UTCJun 17, 21:45 UTC30m
2026-06-17 BRG621 - Jun 17, 18:35 UTCJun 17, 19:20 UTC45m
2026-06-17 BRG621 OTZ → ABL Jun 17, 16:50 UTCJun 17, 18:20 UTC1h 30m

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 N248BA page for operator, model, and routing details .

Mode-S A24DD1 frequently asked

What is Mode-S code A24DD1?
A24DD1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N248BA.
Where is Mode-S A24DD1 registered?
Mode-S code A24DD1 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 A24DD1 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A24DD1, octal 50446721, decimal 10,636,753.
What flights does A24DD1 operate?
Mode-S A24DD1 has broadcast 20 distinct callsigns, including BRG644, BRG621, BRG661, BRG641, BRG652.