Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A30F85

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N297AK · BOEING 737-900 · operated by ALASKA AIRLINES INC

Hex
A30F85
Octal
50607605
Decimal
10,686,341
Country
US
Tail
N297AK
Type
B739
No current signal · last broadcast 3h ago
Flights observed
389
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A30F85.

Country allocation

The ICAO 24-bit address A30F85 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
ASA573 - 6 2026-07-07
ASA637 - 5 2026-06-27
ASA503 Alaska Airlines 5 2026-06-28
ASA42 - 5 2026-07-05
ASA310 - 5 2026-07-03
ASA212 Alaska Airlines 5 2026-06-04
ASA1434 Alaska Airlines 5 2026-06-17
ASA688 Alaska Airlines 4 2026-06-10
ASA684 - 4 2026-06-25
ASA640 - 4 2026-06-23
ASA412 Alaska Airlines 4 2026-04-13
ASA35 Alaska Airlines 4 2026-04-15
ASA747 - 3 2026-07-10
ASA745 Alaska Airlines 3 2026-05-22
ASA625 Alaska Airlines 3 2026-06-15
ASA61 Alaska Airlines 3 2026-05-24
ASA599 Alaska Airlines 3 2026-06-13
ASA596 - 3 2026-07-09
ASA583 - 3 2026-07-09
ASA520 - 3 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ASA1415 FAI → ANC Jul 14, 01:55 UTCJul 14, 02:40 UTC45m
2026-07-13 ASA1552 SEA → FAI Jul 13, 21:45 UTCJul 14, 01:00 UTC3h 15m
2026-07-13 ASA795 SMF → SEA Jul 13, 15:10 UTCJul 13, 16:30 UTC1h 20m
2026-07-12 ASA515 - Jul 12, 22:05 UTCJul 12, 23:40 UTC1h 35m
2026-07-12 ASA514 PHX → PAE Jul 12, 17:55 UTCJul 12, 20:20 UTC2h 25m
2026-07-12 ASA1349 PDX → PHX Jul 12, 14:20 UTCJul 12, 16:29 UTC2h 9m
2026-07-12 ASA1349 PDX → PHX Jul 12, 14:10 UTCJul 12, 16:25 UTC2h 15m
2026-07-12 ASA649 BUR → PDX Jul 12, 01:25 UTCJul 12, 03:05 UTC1h 40m
2026-07-11 ASA1386 PDX → BUR Jul 11, 22:05 UTCJul 12, 00:10 UTC2h 5m
2026-07-11 ASA251 GEG → PDX Jul 11, 19:55 UTCJul 11, 20:45 UTC50m
2026-07-11 ASA250 PDX → GEG Jul 11, 17:45 UTCJul 11, 18:30 UTC45m
2026-07-11 ASA250 PDX → GEG Jul 11, 17:50 UTCJul 11, 18:24 UTC34m
2026-07-11 ASA1629 LAS → PDX Jul 11, 14:20 UTCJul 11, 16:00 UTC1h 40m
2026-07-11 ASA468 - Jul 11, 05:20 UTCJul 11, 06:30 UTC1h 10m
2026-07-11 ASA619 - Jul 11, 02:15 UTCJul 11, 04:10 UTC1h 55m
2026-07-10 ASA425 PHX → SEA Jul 10, 22:00 UTCJul 11, 00:35 UTC2h 35m
2026-07-10 ASA747 - Jul 10, 17:45 UTCJul 10, 20:10 UTC2h 25m
2026-07-10 ASA1572 LAS → PAE Jul 10, 14:15 UTCJul 10, 16:25 UTC2h 10m
2026-07-09 ASA1456 SJC → PDX Jul 9, 23:47 UTCJul 10, 01:26 UTC1h 39m
2026-07-09 ASA1456 SJC → PDX Jul 9, 23:35 UTCJul 10, 01:30 UTC1h 55m
2026-07-09 ASA596 - Jul 9, 20:30 UTCJul 9, 22:00 UTC1h 30m
2026-07-09 ASA596 KTN → SEA Jul 9, 20:24 UTCJul 9, 21:59 UTC1h 35m
2026-07-09 ASA653 SFO → ZIH Jul 9, 17:50 UTCJul 9, 19:20 UTC1h 30m
2026-07-09 ASA519 - Jul 9, 12:15 UTCJul 9, 16:05 UTC3h 50m
2026-07-09 ASA520 - Jul 9, 06:45 UTCJul 9, 10:10 UTC3h 25m
2026-07-09 ASA583 - Jul 9, 01:25 UTCJul 9, 05:10 UTC3h 45m
2026-07-09 ASA583 ORD → SEA Jul 9, 01:20 UTCJul 9, 05:02 UTC3h 42m
2026-07-08 ASA346 SEA → ORD Jul 8, 19:00 UTCJul 8, 22:25 UTC3h 25m
2026-07-08 ASA512 - Jul 8, 14:55 UTCJul 8, 17:25 UTC2h 30m
2026-07-07 ASA573 EWR → SAN Jul 7, 23:07 UTCJul 8, 03:54 UTC4h 47m
2026-07-07 ASA573 EWR → SAN Jul 7, 22:55 UTCJul 8, 04:00 UTC5h 5m
2026-07-07 ASA233 - Jul 7, 15:50 UTCJul 7, 20:45 UTC4h 55m
2026-07-07 ASA1620 - Jul 7, 13:10 UTCJul 7, 14:05 UTC55m
2026-07-07 ASA1620 SFO → LAX Jul 7, 13:08 UTCJul 7, 13:52 UTC44m
2026-07-07 ASA59 JFK → SFO Jul 7, 00:00 UTCJul 7, 06:35 UTC6h 35m
2026-07-06 ASA34 SEA → JFK Jul 6, 17:05 UTCJul 6, 21:55 UTC4h 50m
2026-07-06 ASA491 RDU → SEA Jul 6, 13:25 UTCJul 6, 14:50 UTC1h 25m
2026-07-06 ASA491 RDU → SEA Jul 6, 13:23 UTCJul 6, 14:47 UTC1h 24m
2026-07-06 ASA706 SEA → OAK Jul 6, 00:40 UTCJul 6, 02:20 UTC1h 40m
2026-07-05 ASA23 PHL → SEA Jul 5, 17:15 UTCJul 5, 22:40 UTC5h 25m
2026-07-05 ASA42 - Jul 5, 00:55 UTCJul 5, 06:20 UTC5h 25m
2026-07-04 ASA1607 LAX → SFO Jul 4, 18:15 UTCJul 4, 19:15 UTC1h 0m
2026-07-04 ASA581 - Jul 4, 14:35 UTCJul 4, 16:30 UTC1h 55m
2026-07-04 ASA710 GEG → PDX Jul 4, 12:05 UTCJul 4, 12:55 UTC50m
2026-07-04 ASA566 - Jul 4, 03:40 UTCJul 4, 05:55 UTC2h 15m
2026-07-03 ASA1638 TPA → SAN Jul 3, 21:45 UTCJul 4, 02:10 UTC4h 25m
2026-07-03 ASA1639 SAN → TPA Jul 3, 15:50 UTCJul 3, 20:10 UTC4h 20m
2026-07-03 ASA1617 DEN → SAN Jul 3, 12:15 UTCJul 3, 14:20 UTC2h 5m
2026-07-03 ASA310 SEA → DEN Jul 3, 02:28 UTCJul 3, 04:23 UTC1h 55m
2026-07-03 ASA310 SEA → DEN Jul 3, 02:20 UTCJul 3, 04:30 UTC2h 10m

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 N297AK page for operator, model, and routing details .

Mode-S A30F85 frequently asked

What is Mode-S code A30F85?
A30F85 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N297AK.
Where is Mode-S A30F85 registered?
Mode-S code A30F85 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 A30F85 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A30F85, octal 50607605, decimal 10,686,341.
What flights does A30F85 operate?
Mode-S A30F85 has broadcast 20 distinct callsigns, including ASA573, ASA637, ASA503, ASA42, ASA310.