Apparatus

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sensors Mode-S transponder

ABEF2F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8682B · BOEING 737-800 · operated by SOUTHWEST AIRLINES CO

Hex
ABEF2F
Octal
52767457
Decimal
11,267,887
Country
US
Tail
N8682B
Type
B738
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
760
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S ABEF2F.

Country allocation

The ICAO 24-bit address ABEF2F 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
SWA1892 - 6 2026-06-28
SWA147 Southwest Airlines 6 2026-07-24
SWA960 - 5 2026-07-12
SWA1843 Southwest Airlines 5 2026-06-20
SWA1624 Southwest Airlines 5 2026-06-12
SWA854 Southwest Airlines 4 2026-05-26
SWA479 Southwest Airlines 4 2026-04-15
SWA4684 - 4 2026-07-18
SWA4535 - 4 2026-07-06
SWA3547 - 4 2026-04-13
SWA2358 Southwest Airlines 4 2026-06-02
SWA2270 Southwest Airlines 4 2026-04-17
SWA967 - 3 2026-07-11
SWA956 Southwest Airlines 3 2026-05-01
SWA894 Southwest Airlines 3 2026-04-23
SWA856 Southwest Airlines 3 2026-06-02
SWA765 Southwest Airlines 3 2026-05-09
SWA757 Southwest Airlines 3 2026-05-09
SWA754 Southwest Airlines 3 2026-06-02
SWA647 Southwest Airlines 3 2026-04-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWA402 SJC → PDX Jul 26, 21:10 UTCJul 26, 21:45 UTC35m
2026-07-26 SWA401 OAK → DEN Jul 26, 17:40 UTCJul 26, 19:16 UTC1h 36m
2026-07-26 SWA3581 DEN → LGB Jul 26, 13:20 UTCJul 26, 15:45 UTC2h 25m
2026-07-26 SWA3581 DEN → LGB Jul 26, 13:20 UTCJul 26, 15:39 UTC2h 19m
2026-07-26 SWA1887 OAK → BUR Jul 26, 02:30 UTCJul 26, 12:20 UTC9h 51m
2026-07-25 SWA1887 OAK → BUR Jul 25, 22:40 UTCJul 26, 01:10 UTC2h 30m
2026-07-25 SWA4440 IND → MCI Jul 25, 19:45 UTCJul 25, 21:40 UTC1h 55m
2026-07-25 SWA2319 DEN → AUS Jul 25, 16:05 UTCJul 25, 17:40 UTC1h 35m
2026-07-25 SWA2319 DEN → AUS Jul 25, 16:00 UTCJul 25, 17:39 UTC1h 39m
2026-07-25 SWA2319 DEN → AUS Jul 25, 13:50 UTCJul 25, 14:35 UTC45m
2026-07-25 SWA1351 ATL → MDW Jul 25, 05:55 UTCJul 25, 06:35 UTC40m
2026-07-25 SWA1351 ATL → MDW Jul 25, 05:50 UTCJul 25, 06:30 UTC40m
2026-07-25 SWA3137 MDW → OMA Jul 25, 02:25 UTCJul 25, 04:40 UTC2h 15m
2026-07-24 SWA4338 LGB → PHX Jul 24, 23:35 UTCJul 25, 01:45 UTC2h 10m
2026-07-24 SWA4338 LGB → PHX Jul 24, 21:20 UTCJul 24, 22:20 UTC1h 0m
2026-07-24 SWA147 OAK → LAS Jul 24, 18:50 UTCJul 24, 20:10 UTC1h 20m
2026-07-24 SWA147 OAK → LAS Jul 24, 18:49 UTCJul 24, 20:00 UTC1h 11m
2026-07-24 SWA147 OAK → LAS Jul 24, 16:55 UTCJul 24, 17:45 UTC50m
2026-07-24 SWA3228 LAS → BUR Jul 24, 14:50 UTCJul 24, 15:40 UTC50m
2026-07-24 SWA3450 MSY → DEN Jul 24, 12:10 UTCJul 24, 13:30 UTC1h 20m
2026-07-24 SWA3450 MSY → DEN Jul 24, 12:04 UTCJul 24, 13:26 UTC1h 22m
2026-07-24 SWA656 PHX → SAN Jul 24, 06:20 UTCJul 24, 07:35 UTC1h 15m
2026-07-24 SWA4317 HOU → LGA Jul 24, 04:40 UTCJul 24, 05:30 UTC50m
2026-07-24 SWA1050 ATL → BNA Jul 24, 03:00 UTCJul 24, 03:50 UTC50m
2026-07-23 SWA1050 ATL → BNA Jul 23, 21:15 UTCJul 24, 01:25 UTC4h 10m
2026-07-23 SWA103 PHL → MDW Jul 23, 16:25 UTCJul 23, 19:45 UTC3h 20m
2026-07-23 SWA3056 MDW → MSP Jul 23, 14:24 UTCJul 23, 15:15 UTC51m
2026-07-23 SWA3056 MDW → MSP Jul 23, 14:25 UTCJul 23, 15:20 UTC55m
2026-07-23 SWA3028 - Jul 23, 09:20 UTCJul 23, 12:35 UTC3h 15m
2026-07-23 SWA3028 MYR → DEN Jul 23, 09:14 UTCJul 23, 12:32 UTC3h 18m
2026-07-23 SWA3812 STL → ICT Jul 23, 00:05 UTCJul 23, 01:30 UTC1h 25m
2026-07-23 SWA3812 STL → ICT Jul 23, 00:03 UTCJul 23, 01:34 UTC1h 31m
2026-07-22 SWA232 LAX → OAK Jul 22, 21:10 UTCJul 22, 22:40 UTC1h 30m
2026-07-22 SWA1306 LAS → PHX Jul 22, 18:30 UTCJul 22, 19:45 UTC1h 15m
2026-07-22 SWA1306 LAS → PHX Jul 22, 18:25 UTCJul 22, 19:47 UTC1h 22m
2026-07-22 SWA1306 LAS → PHX Jul 22, 16:15 UTCJul 22, 17:10 UTC55m
2026-07-22 SWA2278 SNA → OAK Jul 22, 13:15 UTCJul 22, 15:15 UTC2h 0m
2026-07-22 SWA2278 SNA → OAK Jul 22, 13:10 UTCJul 22, 15:08 UTC1h 58m
2026-07-22 SWA597 PHX → MCO Jul 22, 04:20 UTCJul 22, 12:05 UTC7h 45m
2026-07-21 SWA4147 SJC → SEA Jul 21, 19:53 UTCJul 21, 23:32 UTC3h 39m
2026-07-21 SWA4147 SJC → SEA Jul 21, 19:55 UTCJul 21, 23:40 UTC3h 45m
2026-07-21 SWA1823 MCO → MKE Jul 21, 16:15 UTCJul 21, 18:40 UTC2h 25m
2026-07-21 SWA2388 BUR → SJC Jul 21, 01:25 UTCJul 21, 04:15 UTC2h 50m
2026-07-21 SWA2388 BUR → SJC Jul 21, 01:23 UTCJul 21, 04:10 UTC2h 48m
2026-07-20 SWA2388 BUR → SJC Jul 20, 23:30 UTCJul 21, 00:25 UTC54m
2026-07-20 SWA3304 - Jul 20, 20:10 UTCJul 20, 22:20 UTC2h 10m
2026-07-20 SWA1543 ONT → OAK Jul 20, 16:46 UTCJul 20, 18:50 UTC2h 4m
2026-07-20 SWA1543 ONT → OAK Jul 20, 16:50 UTCJul 20, 18:45 UTC1h 55m
2026-07-20 SWA3041 BNA → SRQ Jul 20, 12:55 UTCJul 20, 15:00 UTC2h 5m
2026-07-20 SWA3588 MDW → MSY Jul 20, 05:56 UTCJul 20, 06:52 UTC57m

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 N8682B page for operator, model, and routing details .

Mode-S ABEF2F frequently asked

What is Mode-S code ABEF2F?
ABEF2F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8682B.
Where is Mode-S ABEF2F registered?
Mode-S code ABEF2F 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 ABEF2F 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 ABEF2F, octal 52767457, decimal 11,267,887.
What flights does ABEF2F operate?
Mode-S ABEF2F has broadcast 20 distinct callsigns, including SWA1892, SWA147, SWA960, SWA1843, SWA1624.