Apparatus

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sensors Mode-S transponder

A262AD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N253AK · BOEING 737-900 · operated by ALASKA AIRLINES INC

Hex
A262AD
Octal
50461255
Decimal
10,642,093
Country
US
Tail
N253AK
Type
B739
Broadcasting now · callsign ASA792 · 31,000 ft
Flights observed
398
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 19:05 UTC

Current position

A262AD is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A262AD 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
ASA629 - 7 2026-07-11
ASA352 - 7 2026-07-04
ASA787 - 6 2026-07-02
ASA380 Alaska Airlines 6 2026-07-04
ASA370 Alaska Airlines 6 2026-05-05
ASA226 Alaska Airlines 5 2026-07-25
ASA592 Alaska Airlines 4 2026-05-28
ASA551 - 4 2026-06-28
ASA523 Alaska Airlines 4 2026-06-06
ASA512 Alaska Airlines 4 2026-07-25
ASA494 - 4 2026-07-06
ASA451 Alaska Airlines 4 2026-04-14
ASA450 - 4 2026-07-20
ASA371 Alaska Airlines 4 2026-05-05
ASA339 Alaska Airlines 4 2026-05-03
ASA1319 Alaska Airlines 4 2026-05-24
ASA9803 Alaska Airlines 3 2026-05-15
ASA777 - 3 2026-07-11
ASA749 Alaska Airlines 3 2026-05-27
ASA719 Alaska Airlines 3 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ASA361 OMA → SEA Jul 26, 14:05 UTCJul 26, 18:54 UTC4h 49m
2026-07-26 ASA361 OMA → SEA Jul 26, 13:50 UTCJul 26, 17:15 UTC3h 25m
2026-07-26 ASA367 MCO → SEA Jul 26, 06:00 UTCJul 26, 10:15 UTC4h 16m
2026-07-25 ASA226 SJC → GDL Jul 25, 23:00 UTCJul 26, 02:05 UTC3h 5m
2026-07-25 ASA433 IAD → SFO Jul 25, 18:35 UTCJul 25, 21:40 UTC3h 5m
2026-07-25 ASA512 SFO → AUS Jul 25, 14:40 UTCJul 25, 16:50 UTC2h 10m
2026-07-24 ASA573 SJC → SEA Jul 24, 22:40 UTCJul 25, 04:05 UTC5h 25m
2026-07-24 ASA233 SAN → EWR Jul 24, 20:30 UTCJul 24, 20:35 UTC5m
2026-07-24 ASA233 SAN → EWR Jul 24, 15:50 UTCJul 24, 20:35 UTC4h 45m
2026-07-24 ASA233 SAN → EWR Jul 24, 16:02 UTCJul 24, 20:15 UTC4h 13m
2026-07-23 ASA287 EWR → LAX Jul 23, 23:55 UTCJul 24, 05:05 UTC5h 10m
2026-07-23 ASA477 LAX → SEA Jul 23, 17:50 UTCJul 23, 22:20 UTC4h 30m
2026-07-23 ASA283 EWR → PDX Jul 23, 11:40 UTCJul 23, 16:05 UTC4h 25m
2026-07-23 ASA280 EWR → SEA Jul 23, 06:10 UTCJul 23, 09:50 UTC3h 40m
2026-07-23 ASA226 SJC → GDL Jul 23, 01:20 UTCJul 23, 04:25 UTC3h 5m
2026-07-23 ASA226 SJC → GDL Jul 23, 01:19 UTCJul 23, 04:11 UTC2h 52m
2026-07-22 ASA9662 SCC → ANC Jul 22, 21:40 UTCJul 22, 22:45 UTC1h 5m
2026-07-22 ASA9663 ANC → SCC Jul 22, 19:00 UTCJul 22, 19:55 UTC55m
2026-07-22 ASA9663 ANC → SCC Jul 22, 18:56 UTCJul 22, 20:26 UTC1h 30m
2026-07-22 ASA85 SEA → ANC Jul 22, 14:45 UTCJul 22, 18:00 UTC3h 15m
2026-07-21 ASA1381 CUN → PDX Jul 21, 23:50 UTCJul 22, 02:10 UTC2h 20m
2026-07-21 ASA1381 CUN → PDX Jul 21, 23:48 UTCJul 22, 01:58 UTC2h 10m
2026-07-21 ASA9805 LAX → SFO Jul 21, 22:10 UTCJul 21, 22:35 UTC25m
2026-07-21 ASA1390 SEA → LAX Jul 21, 04:40 UTCJul 21, 06:55 UTC2h 15m
2026-07-20 ASA450 CMH → SEA Jul 20, 22:25 UTCJul 21, 02:55 UTC4h 30m
2026-07-20 ASA450 SEA → CMH Jul 20, 17:20 UTCJul 20, 20:55 UTC3h 35m
2026-07-20 ASA715 EWR → SEA Jul 20, 11:36 UTCJul 20, 14:56 UTC3h 20m
2026-07-20 ASA715 EWR → SEA Jul 20, 11:10 UTCJul 20, 11:20 UTC10m
2026-07-20 ASA1493 - Jul 20, 01:55 UTCJul 20, 05:30 UTC3h 35m
2026-07-19 ASA1395 SJD → SAN Jul 19, 22:31 UTCJul 20, 00:11 UTC1h 40m
2026-07-19 ASA1414 - Jul 19, 19:25 UTCJul 20, 00:15 UTC4h 50m
2026-07-19 ASA1361 SEA → SAN Jul 19, 13:35 UTCJul 19, 16:05 UTC2h 30m
2026-07-19 ASA17 JFK → SEA Jul 19, 04:50 UTCJul 19, 10:25 UTC5h 35m
2026-07-17 ASA42 SJC → PDX Jul 17, 21:20 UTCJul 18, 02:25 UTC5h 5m
2026-07-17 ASA1445 - Jul 17, 18:05 UTCJul 17, 19:35 UTC1h 30m
2026-07-17 ASA1630 EWR → PDX Jul 17, 10:44 UTCJul 17, 15:55 UTC5h 10m
2026-07-17 ASA263 SEA → EWR Jul 17, 01:00 UTCJul 17, 05:30 UTC4h 30m
2026-07-17 ASA263 SEA → EWR Jul 17, 00:48 UTCJul 17, 05:13 UTC4h 25m
2026-07-16 ASA48 - Jul 16, 21:25 UTCJul 16, 21:35 UTC10m
2026-07-16 ASA48 ANC → SEA Jul 16, 18:17 UTCJul 16, 21:10 UTC2h 53m
2026-07-16 ASA48 ANC → SEA Jul 16, 18:19 UTCJul 16, 21:35 UTC3h 15m
2026-07-16 ASA85 SEA → ANC Jul 16, 13:20 UTCJul 16, 16:30 UTC3h 10m
2026-07-16 ASA221 ANC → SEA Jul 16, 08:45 UTCJul 16, 11:34 UTC2h 50m
2026-07-16 ASA67 - Jul 16, 05:20 UTCJul 16, 06:55 UTC1h 35m
2026-07-16 AS67 - Jul 16, 03:25 UTCJul 16, 03:35 UTC10m
2026-07-16 ASA67 - Jul 16, 01:40 UTCJul 16, 02:10 UTC30m
2026-07-15 ASA67 - Jul 15, 22:55 UTCJul 16, 00:15 UTC1h 20m
2026-07-15 ASA603 - Jul 15, 18:45 UTCJul 15, 21:05 UTC2h 20m
2026-07-15 ASA603 PHX → SEA Jul 15, 18:43 UTCJul 15, 21:01 UTC2h 18m
2026-07-15 ASA746 PDX → PHX Jul 15, 01:30 UTCJul 15, 03:55 UTC2h 25m

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 N253AK page for operator, model, and routing details .

Mode-S A262AD frequently asked

What is Mode-S code A262AD?
A262AD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N253AK.
Where is Mode-S A262AD registered?
Mode-S code A262AD 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 A262AD broadcasting right now?
Yes. Mode-S A262AD is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A262AD, octal 50461255, decimal 10,642,093.
What flights does A262AD operate?
Mode-S A262AD has broadcast 20 distinct callsigns, including ASA629, ASA352, ASA787, ASA380, ASA370.