Apparatus

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sensors Mode-S transponder

A80C87

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N618AS · BOEING 737-700 · operated by ALASKA AIRLINES INC

Hex
A80C87
Octal
52006207
Decimal
11,013,255
Country
US
Tail
N618AS
Type
B737
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
636
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S A80C87.

Country allocation

The ICAO 24-bit address A80C87 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
ASA66 Alaska Airlines 53 2026-07-26
ASA61 Alaska Airlines 46 2026-07-24
ASA65 - 36 2026-07-15
ASA64 Alaska Airlines 31 2026-06-10
ASA70 Alaska Airlines 28 2026-07-21
ASA67 Alaska Airlines 21 2026-06-01
ASA73 - 18 2026-07-02
ASA310 Alaska Airlines 13 2026-05-26
ASA55 - 12 2026-07-06
ASA1528 Alaska Airlines 11 2026-07-20
ASA9669 Alaska Airlines 10 2026-07-23
ASA69 Alaska Airlines 9 2026-07-26
ASA1527 Alaska Airlines 9 2026-07-20
ASA62 Alaska Airlines 8 2026-05-23
ASA357 Alaska Airlines 8 2026-07-26
ASA466 - 7 2026-07-21
ASA364 Alaska Airlines 7 2026-07-18
ASA229 Alaska Airlines 7 2026-06-05
ASA9671 Alaska Airlines 6 2026-07-24
ASA60 Alaska Airlines 6 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ASA66 JNU → SEA Jul 26, 21:25 UTCJul 26, 21:45 UTC20m
2026-07-26 ASA357 BOS → SFO Jul 26, 16:50 UTCJul 26, 19:45 UTC2h 55m
2026-07-26 ASA1554 JNU → SEA Jul 26, 13:20 UTCJul 26, 15:20 UTC2h 0m
2026-07-26 ASA69 SEA → KTN Jul 26, 04:30 UTCJul 26, 05:05 UTC35m
2026-07-26 ASA69 SEA → KTN Jul 26, 02:00 UTCJul 26, 03:20 UTC1h 20m
2026-07-25 ASA332 SJC → SEA Jul 25, 19:30 UTCJul 25, 22:35 UTC3h 5m
2026-07-25 ASA232 SEA → SJC Jul 25, 17:25 UTCJul 25, 18:05 UTC40m
2026-07-25 ASA231 LAS → SFO Jul 25, 15:40 UTCJul 25, 16:20 UTC40m
2026-07-25 ASA231 LAS → SFO Jul 25, 15:38 UTCJul 25, 16:22 UTC44m
2026-07-25 ASA1544 ANC → OME Jul 25, 02:05 UTCJul 25, 03:20 UTC1h 15m
2026-07-24 ASA1544 ANC → OME Jul 24, 23:35 UTCJul 25, 00:35 UTC1h 0m
2026-07-24 ASA61 SEA → JNU Jul 24, 21:05 UTCJul 24, 21:50 UTC45m
2026-07-24 ASA61 SEA → JNU Jul 24, 21:20 UTCJul 24, 21:37 UTC17m
2026-07-24 ASA61 SEA → JNU Jul 24, 19:30 UTCJul 24, 20:10 UTC40m
2026-07-24 ASA61 SEA → JNU Jul 24, 17:50 UTCJul 24, 18:20 UTC30m
2026-07-24 ASA61 SEA → JNU Jul 24, 14:20 UTCJul 24, 16:20 UTC2h 0m
2026-07-24 ASA276 ONT → HNL Jul 24, 08:10 UTCJul 24, 11:05 UTC2h 55m
2026-07-24 ASA9671 ANC → RDB Jul 24, 01:45 UTCJul 24, 02:55 UTC1h 10m
2026-07-23 ASA9669 SJD → OAK Jul 23, 23:05 UTCJul 24, 00:30 UTC1h 25m
2026-07-23 ASA61 SEA → JNU Jul 23, 21:20 UTCJul 23, 21:55 UTC35m
2026-07-23 ASA61 SEA → JNU Jul 23, 21:21 UTCJul 23, 21:53 UTC32m
2026-07-23 ASA61 SEA → JNU Jul 23, 19:35 UTCJul 23, 20:15 UTC40m
2026-07-23 ASA61 SEA → JNU Jul 23, 17:40 UTCJul 23, 18:25 UTC45m
2026-07-23 ASA61 SEA → JNU Jul 23, 14:30 UTCJul 23, 16:30 UTC2h 0m
2026-07-23 ASA445 SAN → AUS Jul 23, 04:50 UTCJul 23, 06:45 UTC1h 55m
2026-07-23 ASA445 SAN → AUS Jul 23, 04:44 UTCJul 23, 06:32 UTC1h 48m
2026-07-23 ASA764 SMF → SEA Jul 23, 00:35 UTCJul 23, 01:45 UTC1h 10m
2026-07-22 ASA435 SEA → SFO Jul 22, 21:05 UTCJul 22, 23:00 UTC1h 55m
2026-07-22 ASA60 KTN → SEA Jul 22, 17:25 UTCJul 22, 19:00 UTC1h 35m
2026-07-22 ASA60 KTN → SEA Jul 22, 15:53 UTCJul 22, 16:18 UTC25m
2026-07-22 ASA69 SEA → KTN Jul 22, 04:30 UTCJul 22, 05:00 UTC30m
2026-07-22 ASA69 SEA → KTN Jul 22, 01:55 UTCJul 22, 03:10 UTC1h 15m
2026-07-21 ASA1839 FAI → SEA Jul 21, 20:28 UTCJul 21, 23:27 UTC2h 59m
2026-07-21 ASA466 ANC → FAI Jul 21, 18:21 UTCJul 21, 19:02 UTC41m
2026-07-21 ASA70 ANC → JNU Jul 21, 06:10 UTCJul 21, 06:30 UTC20m
2026-07-21 ASA70 ANC → JNU Jul 21, 06:08 UTCJul 22, 05:00 UTC22h 52m
2026-07-21 ASA70 ANC → JNU Jul 21, 03:55 UTCJul 21, 05:15 UTC1h 20m
2026-07-21 ASA52 ANC → LAS Jul 21, 00:54 UTCJul 21, 03:04 UTC2h 10m
2026-07-20 ASA52 ANC → LAS Jul 20, 22:35 UTCJul 21, 02:45 UTC4h 9m
2026-07-20 ASA1528 SEA → BUR Jul 20, 19:25 UTCJul 20, 20:45 UTC1h 20m
2026-07-20 ASA1528 SEA → BUR Jul 20, 19:24 UTCJul 20, 20:38 UTC1h 14m
2026-07-20 ASA1527 ANC → OTZ Jul 20, 17:05 UTCJul 20, 18:20 UTC1h 15m
2026-07-19 ASA52 ANC → LAS Jul 19, 22:30 UTCJul 20, 02:35 UTC4h 5m
2026-07-19 ASA357 BOS → SFO Jul 19, 16:45 UTCJul 19, 20:05 UTC3h 20m
2026-07-19 AS1554 JNU → SEA Jul 19, 13:15 UTCJul 19, 15:10 UTC1h 55m
2026-07-19 ASA71 - Jul 19, 04:35 UTCJul 19, 06:30 UTC1h 55m
2026-07-19 ASA272 ANC → SEA Jul 19, 00:00 UTCJul 19, 02:43 UTC2h 43m
2026-07-18 ASA272 ANC → SEA Jul 18, 23:50 UTCJul 19, 02:50 UTC3h 0m
2026-07-18 ASA1415 LIR → LAX Jul 18, 21:58 UTCJul 18, 22:34 UTC36m
2026-07-18 ASA1415 LIR → LAX Jul 18, 21:45 UTCJul 18, 22:40 UTC55m

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 N618AS page for operator, model, and routing details .

Mode-S A80C87 frequently asked

What is Mode-S code A80C87?
A80C87 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N618AS.
Where is Mode-S A80C87 registered?
Mode-S code A80C87 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 A80C87 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A80C87, octal 52006207, decimal 11,013,255.
What flights does A80C87 operate?
Mode-S A80C87 has broadcast 20 distinct callsigns, including ASA66, ASA61, ASA65, ASA64, ASA70.