Apparatus

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sensors Mode-S transponder

A04DB8

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N119AX · BEECH 1900 · operated by ALASKA CENTRAL EXPRESS INC

Hex
A04DB8
Octal
50046670
Decimal
10,505,656
Country
US
Tail
N119AX
Type
B190
Broadcasting now · callsign AER910 · 22,000 ft
Flights observed
211
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

A04DB8 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A04DB8 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
AER41 Alaska Central Express 78 2026-06-01
AER21 Alaska Central Express 31 2026-05-29
AER43 Alaska Central Express 24 2026-06-02
AER66 Alaska Central Express 17 2026-05-17
AER65 Alaska Central Express 10 2026-05-30
AER52 Alaska Central Express 7 2026-05-26
AER67 Alaska Central Express 6 2026-06-02
AER32 Alaska Central Express 6 2026-05-31
AER99 - 4 2026-05-21
AER31 Alaska Central Express 4 2026-05-22
AER145 Alaska Central Express 4 2026-05-28
AERT8 - 3 2026-05-31
AER53 Alaska Central Express 3 2026-05-16
AER35 Alaska Central Express 3 2026-04-14
AER69 Alaska Central Express 2 2026-05-18
AER64 Alaska Central Express 2 2026-05-03
AER44 Alaska Central Express 2 2026-04-14
AER146 Alaska Central Express 2 2026-05-14
AERT5 - 1 2026-05-11
AERT4 - 1 2026-05-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-03 AER910 ANC → DUT Jun 3, 00:55 UTCJun 3, 02:00 UTC1h 5m
2026-06-02 AER43 ANC → KTN Jun 2, 17:05 UTCJun 2, 19:10 UTC2h 5m
2026-06-02 AER43 ANC → KTN Jun 2, 16:05 UTCJun 2, 16:25 UTC20m
2026-06-02 AER43 ANC → KTN Jun 2, 15:20 UTCJun 2, 15:35 UTC15m
2026-06-02 AER43 ANC → KTN Jun 2, 11:15 UTCJun 2, 14:15 UTC3h 0m
2026-06-02 AER67 SNP → ANC Jun 2, 04:10 UTCJun 2, 06:00 UTC1h 50m
2026-06-01 AER67 SNP → ANC Jun 1, 22:40 UTCJun 2, 00:15 UTC1h 35m
2026-06-01 AER41 PSG → ANC Jun 1, 17:55 UTCJun 1, 20:05 UTC2h 10m
2026-06-01 AER41 PSG → ANC Jun 1, 16:50 UTCJun 1, 17:10 UTC20m
2026-06-01 AER41 PSG → ANC Jun 1, 13:05 UTCJun 1, 14:30 UTC1h 25m
2026-06-01 AER41 PSG → ANC Jun 1, 10:15 UTCJun 1, 12:10 UTC1h 55m
2026-05-31 AERT8 ANC → ANC May 31, 20:05 UTCMay 31, 21:20 UTC1h 15m
2026-05-31 AER32 ILI → ANC May 31, 17:55 UTCMay 31, 19:05 UTC1h 10m
2026-05-31 AER32 ILI → ANC May 31, 16:20 UTCMay 31, 17:20 UTC1h 0m
2026-05-30 AER65 ANC → SDP May 30, 22:05 UTCMay 30, 23:45 UTC1h 40m
2026-05-30 AER65 ANC → SDP May 30, 16:05 UTCMay 30, 17:40 UTC1h 35m
2026-05-29 AER21 ANC → PSG May 29, 20:55 UTCMay 30, 02:50 UTC5h 55m
2026-05-29 AER43 ANC → KTN May 29, 17:25 UTCMay 29, 19:15 UTC1h 50m
2026-05-29 AER43 ANC → KTN May 29, 16:25 UTCMay 29, 16:40 UTC15m
2026-05-29 AER43 ANC → KTN May 29, 11:25 UTCMay 29, 14:10 UTC2h 45m
2026-05-28 AER21 ANC → PSG May 28, 22:25 UTCMay 28, 23:25 UTC1h 0m
2026-05-28 AER21 ANC → PSG May 28, 21:05 UTCMay 28, 21:45 UTC40m
2026-05-28 AER21 ANC → PSG May 28, 19:40 UTCMay 28, 20:20 UTC40m
2026-05-28 AER21 ANC → PSG May 28, 17:45 UTCMay 28, 19:05 UTC1h 20m
2026-05-28 AER145 ANC → ADQ May 28, 14:35 UTCMay 28, 15:35 UTC1h 0m
2026-05-28 AER145 ANC → ADQ May 28, 12:45 UTCMay 28, 13:50 UTC1h 5m
2026-05-27 AERT4 ANC → ANC May 27, 22:25 UTCMay 27, 23:30 UTC1h 5m
2026-05-27 AER41 PSG → ANC May 27, 18:55 UTCMay 27, 19:55 UTC1h 0m
2026-05-27 AER41 PSG → ANC May 27, 17:55 UTCMay 27, 18:15 UTC20m
2026-05-27 AER41 PSG → ANC May 27, 16:40 UTCMay 27, 17:10 UTC30m
2026-05-27 AER41 PSG → ANC May 27, 14:10 UTCMay 27, 14:40 UTC30m
2026-05-27 AER41 PSG → ANC May 27, 13:05 UTCMay 27, 13:25 UTC20m
2026-05-27 AER41 PSG → ANC May 27, 10:15 UTCMay 27, 11:20 UTC1h 5m
2026-05-26 AER32 ILI → ANC May 26, 21:29 UTCMay 26, 22:44 UTC1h 15m
2026-05-26 AER32 ILI → ANC May 26, 19:30 UTCMay 26, 20:45 UTC1h 15m
2026-05-26 AER52 ANC → DLG May 26, 16:40 UTCMay 26, 17:44 UTC1h 5m
2026-05-26 AER52 ANC → DLG May 26, 16:00 UTCMay 26, 16:20 UTC20m
2026-05-26 AER52 ANC → DLG May 26, 14:05 UTCMay 26, 15:24 UTC1h 20m
2026-05-25 AER41 PSG → ANC May 25, 17:15 UTCMay 25, 18:30 UTC1h 15m
2026-05-25 AER41 PSG → ANC May 25, 15:45 UTCMay 25, 16:40 UTC55m
2026-05-25 AER41 PSG → ANC May 25, 14:25 UTCMay 25, 14:55 UTC30m
2026-05-25 AER41 PSG → ANC May 25, 13:25 UTCMay 25, 13:45 UTC20m
2026-05-25 AER41 PSG → ANC May 25, 10:10 UTCMay 25, 11:25 UTC1h 15m
2026-05-24 AER21 ANC → PSG May 24, 23:30 UTCMay 24, 23:46 UTC16m
2026-05-24 AER21 ANC → PSG May 24, 21:10 UTCMay 24, 21:35 UTC25m
2026-05-24 AER21 ANC → PSG May 24, 19:00 UTCMay 24, 20:15 UTC1h 15m
2026-05-24 AER21 ANC → PSG May 24, 18:45 UTCMay 24, 18:50 UTC5m
2026-05-24 AER41 PSG → ANC May 24, 01:00 UTCMay 24, 01:55 UTC55m
2026-05-24 AER41 PSG → ANC May 24, 00:00 UTCMay 24, 00:20 UTC20m
2026-05-23 AER41 PSG → ANC May 23, 11:55 UTCMay 23, 12:05 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 N119AX page for operator, model, and routing details .

Mode-S A04DB8 frequently asked

What is Mode-S code A04DB8?
A04DB8 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N119AX.
Where is Mode-S A04DB8 registered?
Mode-S code A04DB8 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 A04DB8 broadcasting right now?
Yes. Mode-S A04DB8 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A04DB8, octal 50046670, decimal 10,505,656.
What flights does A04DB8 operate?
Mode-S A04DB8 has broadcast 20 distinct callsigns, including AER41, AER21, AER43, AER66, AER65.