Apparatus

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sensors Mode-S transponder

A828E1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N625AS · BOEING 737-700 · operated by ALASKA AIRLINES INC

Hex
A828E1
Octal
52024341
Decimal
11,020,513
Country
US
Tail
N625AS
Type
B737
Broadcasting now · callsign ASA7005 · 13,750 ft
Flights observed
513
Distinct callsigns
20
Country
US
Last broadcast
Jul 24, 11:30 UTC

Current position

A828E1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A828E1 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
ASA7005 - 76 2026-07-23
ASA7004 - 68 2026-06-29
ASA7006 - 42 2026-06-26
ASA7010 Alaska Airlines 38 2026-07-22
ASA7011 Alaska Airlines 35 2026-07-21
ASA7019 - 31 2026-07-01
ASA7096 - 29 2026-07-01
ASA7026 Alaska Airlines 24 2026-07-23
ASA7097 Alaska Airlines 23 2026-07-24
ASA7001 - 22 2026-07-20
ASA7025 Alaska Airlines 20 2026-07-22
ASA7015 Alaska Airlines 20 2026-06-27
ASA7008 Alaska Airlines 17 2026-07-24
ASA7009 - 11 2026-07-19
ASA9620 Alaska Airlines 9 2026-06-25
ASA7098 Alaska Airlines 6 2026-06-16
ASA7049 Alaska Airlines 5 2026-04-28
ASA7050 Alaska Airlines 4 2026-04-28
ASA7017 - 3 2026-07-18
ASA7007 - 3 2026-06-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 ASA7097 SEA → ANC Jul 24, 08:10 UTCJul 24, 11:20 UTC3h 10m
2026-07-24 ASA7008 SEA → KTN Jul 24, 05:26 UTCJul 24, 06:20 UTC54m
2026-07-24 ASA7008 SEA → KTN Jul 24, 04:55 UTCJul 24, 05:10 UTC15m
2026-07-24 ASA7008 SEA → KTN Jul 24, 03:35 UTCJul 24, 03:55 UTC20m
2026-07-24 ASA7008 SEA → KTN Jul 24, 02:00 UTCJul 24, 02:15 UTC15m
2026-07-24 ASA7008 SEA → KTN Jul 24, 00:35 UTCJul 24, 00:55 UTC20m
2026-07-23 ASA7008 SEA → KTN Jul 23, 21:55 UTCJul 23, 23:15 UTC1h 20m
2026-07-23 ASA7005 - Jul 23, 18:20 UTCJul 23, 19:45 UTC1h 25m
2026-07-23 ASA7005 - Jul 23, 16:40 UTCJul 23, 17:00 UTC20m
2026-07-23 AS7005 JNU → SEA Jul 23, 15:25 UTCJul 23, 15:40 UTC15m
2026-07-23 ASA7005 - Jul 23, 15:21 UTCJul 23, 15:46 UTC25m
2026-07-23 ASA7005 - Jul 23, 12:55 UTCJul 23, 14:05 UTC1h 10m
2026-07-23 ASA7026 OTZ → ANC Jul 23, 02:10 UTCJul 23, 03:14 UTC1h 4m
2026-07-23 ASA7026 OTZ → ANC Jul 23, 02:05 UTCJul 23, 03:25 UTC1h 20m
2026-07-22 ASA7025 ANC → OTZ Jul 22, 23:50 UTCJul 23, 01:10 UTC1h 20m
2026-07-22 ASA7010 ANC → BET Jul 22, 01:25 UTCJul 22, 02:15 UTC50m
2026-07-21 ASA7010 ANC → BET Jul 21, 23:20 UTCJul 22, 00:05 UTC45m
2026-07-21 ASA7011 ANC → OME Jul 21, 21:20 UTCJul 21, 22:30 UTC1h 10m
2026-07-21 ASA7011 ANC → OME Jul 21, 18:15 UTCJul 21, 19:10 UTC55m
2026-07-20 ASA7001 - Jul 20, 20:05 UTCJul 20, 21:45 UTC1h 40m
2026-07-20 ASA7001 - Jul 20, 18:20 UTCJul 20, 18:50 UTC30m
2026-07-20 ASA7001 - Jul 20, 18:18 UTCJul 20, 18:55 UTC37m
2026-07-20 ASA7001 - Jul 20, 16:10 UTCJul 20, 16:40 UTC30m
2026-07-20 ASA7001 - Jul 20, 13:25 UTCJul 20, 14:50 UTC1h 25m
2026-07-19 ASA7009 - Jul 19, 17:50 UTCJul 19, 18:35 UTC45m
2026-07-19 ASA7009 BET → ANC Jul 19, 17:41 UTCJul 19, 18:34 UTC53m
2026-07-19 ASA7009 - Jul 19, 16:00 UTCJul 19, 16:40 UTC40m
2026-07-19 ASA7010 ANC → BET Jul 19, 03:35 UTCJul 19, 04:30 UTC55m
2026-07-19 ASA7010 ANC → BET Jul 19, 01:40 UTCJul 19, 02:20 UTC40m
2026-07-18 ASA7017 - Jul 18, 17:25 UTCJul 19, 00:30 UTC7h 5m
2026-07-18 ASA7097 SEA → ANC Jul 18, 07:10 UTCJul 18, 10:10 UTC3h 0m
2026-07-17 ASA9443 OKC → SEA Jul 17, 15:10 UTCJul 17, 18:34 UTC3h 25m
2026-07-01 ASA9423 SEA → OKC Jul 1, 17:55 UTCJul 1, 21:05 UTC3h 10m
2026-07-01 ASA7096 - Jul 1, 07:50 UTCJul 1, 09:40 UTC1h 50m
2026-07-01 ASA7096 - Jul 1, 05:30 UTCJul 1, 06:40 UTC1h 10m
2026-07-01 ASA7019 - Jul 1, 02:50 UTCJul 1, 03:30 UTC40m
2026-07-01 7019 - Jul 1, 01:50 UTCJul 1, 02:05 UTC15m
2026-07-01 ASA7019 AKN → ANC Jul 1, 01:45 UTCJul 1, 02:22 UTC37m
2026-07-01 ASA7019 - Jul 1, 00:00 UTCJul 1, 00:50 UTC50m
2026-06-30 ASA7011 - Jun 30, 18:50 UTCJun 30, 22:15 UTC3h 25m
2026-06-29 ASA7026 OTZ → ANC Jun 29, 22:15 UTCJun 29, 23:25 UTC1h 10m
2026-06-29 ASA7025 - Jun 29, 20:15 UTCJun 29, 21:24 UTC1h 10m
2026-06-29 ASA7097 - Jun 29, 07:15 UTCJun 29, 10:20 UTC3h 5m
2026-06-29 ASA7004 - Jun 29, 03:25 UTCJun 29, 05:20 UTC1h 55m
2026-06-29 ASA7004 - Jun 29, 02:20 UTCJun 29, 02:35 UTC15m
2026-06-29 ASA7004 SIT → JNU Jun 29, 02:13 UTCJun 29, 02:38 UTC25m
2026-06-29 ASA7004 - Jun 29, 00:34 UTCJun 29, 00:54 UTC20m
2026-06-28 ASA7004 - Jun 28, 21:59 UTCJun 28, 23:20 UTC1h 20m
2026-06-28 ASA7005 - Jun 28, 18:14 UTCJun 28, 19:55 UTC1h 40m
2026-06-28 ASA7005 - Jun 28, 16:45 UTCJun 28, 17:00 UTC15m

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 N625AS page for operator, model, and routing details .

Mode-S A828E1 frequently asked

What is Mode-S code A828E1?
A828E1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N625AS.
Where is Mode-S A828E1 registered?
Mode-S code A828E1 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 A828E1 broadcasting right now?
Yes. Mode-S A828E1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A828E1, octal 52024341, decimal 11,020,513.
What flights does A828E1 operate?
Mode-S A828E1 has broadcast 20 distinct callsigns, including ASA7005, ASA7004, ASA7006, ASA7010, ASA7011.