Apparatus

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sensors Mode-S transponder

ABE3E6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8651A · BOEING 737-800 · operated by SOUTHWEST AIRLINES CO

Hex
ABE3E6
Octal
52761746
Decimal
11,264,998
Country
US
Tail
N8651A
Type
B738
No current signal · last broadcast 13d ago
Flights observed
559
Distinct callsigns
20
Country
US
Last broadcast
13d ago

Last known position

Most recent position reported by Mode-S ABE3E6.

Country allocation

The ICAO 24-bit address ABE3E6 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
SWA3064 Southwest Airlines 5 2026-04-14
SWA446 Southwest Airlines 4 2026-06-06
SWA3693 Southwest Airlines 4 2026-04-17
SWA29 Southwest Airlines 4 2026-05-11
SWA2768 Southwest Airlines 4 2026-04-13
SWA2124 - 4 2026-06-28
SWA852 Southwest Airlines 3 2026-05-22
SWA769 - 3 2026-06-23
SWA719 Southwest Airlines 3 2026-05-16
SWA704 Southwest Airlines 3 2026-06-07
SWA596 Southwest Airlines 3 2026-06-30
SWA485 - 3 2026-06-19
SWA4279 - 3 2026-06-16
SWA4206 - 3 2026-04-13
SWA4111 - 3 2026-06-17
SWA37 Southwest Airlines 3 2026-05-05
SWA3400 Southwest Airlines 3 2026-05-12
SWA2870 - 3 2026-04-17
SWA2119 - 3 2026-06-24
SWA2118 Southwest Airlines 3 2026-05-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-01 SWA8531 ISP → BWI Jul 1, 15:00 UTCJul 1, 17:25 UTC2h 25m
2026-06-30 SWA1431 - Jun 30, 23:40 UTCJul 1, 01:45 UTC2h 5m
2026-06-30 SWA4357 SJC → MDW Jun 30, 18:35 UTCJun 30, 22:20 UTC3h 45m
2026-06-30 SWA943 - Jun 30, 15:50 UTCJun 30, 17:10 UTC1h 20m
2026-06-30 SWA1036 OAK → PDX Jun 30, 13:45 UTCJun 30, 15:00 UTC1h 15m
2026-06-30 SWA596 ISP → BNA Jun 30, 06:15 UTCJun 30, 07:20 UTC1h 5m
2026-06-30 SWA3003 BWI → ALB Jun 30, 01:04 UTCJun 30, 04:15 UTC3h 11m
2026-06-29 SWA2470 LGA → MSY Jun 29, 21:18 UTCJun 29, 23:50 UTC2h 32m
2026-06-29 SWA2470 LGA → MSY Jun 29, 21:19 UTCJun 29, 23:49 UTC2h 30m
2026-06-29 SWA2803 MDW → LGA Jun 29, 18:10 UTCJun 29, 19:49 UTC1h 40m
2026-06-29 SWA2803 MDW → LGA Jun 29, 18:09 UTCJun 29, 19:48 UTC1h 40m
2026-06-29 SWA2270 LAS → MDW Jun 29, 13:30 UTCJun 29, 16:25 UTC2h 55m
2026-06-29 SWA2032 - Jun 29, 04:20 UTCJun 29, 07:50 UTC3h 30m
2026-06-29 SWA2032 MDW → LAS Jun 29, 04:16 UTCJun 29, 07:47 UTC3h 31m
2026-06-29 SWA3219 TPA → MDW Jun 29, 01:10 UTCJun 29, 03:20 UTC2h 10m
2026-06-28 SWA3465 - Jun 28, 22:04 UTCJun 29, 00:00 UTC1h 55m
2026-06-28 SWA3465 STL → TPA Jun 28, 21:59 UTCJun 28, 23:55 UTC1h 56m
2026-06-28 SWA2124 - Jun 28, 17:25 UTCJun 28, 20:45 UTC3h 20m
2026-06-28 SWA2124 PDX → STL Jun 28, 17:21 UTCJun 28, 20:44 UTC3h 23m
2026-06-28 SWA2124 - Jun 28, 14:54 UTCJun 28, 16:19 UTC1h 25m
2026-06-28 SWA2124 SLC → OAK Jun 28, 12:25 UTCJun 28, 13:59 UTC1h 35m
2026-06-28 SWA3198 - Jun 28, 01:34 UTCJun 28, 05:49 UTC4h 15m
2026-06-28 SWA3198 BWI → SLC Jun 28, 01:29 UTCJun 28, 05:44 UTC4h 16m
2026-06-27 SWA975 ABQ → BWI Jun 27, 21:04 UTCJun 28, 00:15 UTC3h 10m
2026-06-27 SWA975 ABQ → BWI Jun 27, 21:00 UTCJun 28, 00:08 UTC3h 8m
2026-06-27 SWA3791 - Jun 27, 17:29 UTCJun 27, 19:55 UTC2h 25m
2026-06-27 SWA3791 MDW → ABQ Jun 27, 17:25 UTCJun 27, 19:48 UTC2h 23m
2026-06-27 SWA2728 SMF → MDW Jun 27, 13:00 UTCJun 27, 16:20 UTC3h 20m
2026-06-27 SWA1744 DEN → SMF Jun 27, 04:00 UTCJun 27, 06:09 UTC2h 10m
2026-06-27 SWA2969 LAS → DEN Jun 27, 01:09 UTCJun 27, 02:29 UTC1h 20m
2026-06-26 SWA4143 AUS → LAS Jun 26, 21:20 UTCJun 26, 23:44 UTC2h 25m
2026-06-26 SWA4143 AUS → LAS Jun 26, 21:19 UTCJun 26, 23:40 UTC2h 21m
2026-06-26 SWA1140 - Jun 26, 17:50 UTCJun 26, 20:04 UTC2h 15m
2026-06-26 SWA1140 CHS → AUS Jun 26, 17:45 UTCJun 26, 19:56 UTC2h 11m
2026-06-26 SWA469 - Jun 26, 15:29 UTCJun 26, 16:30 UTC1h 0m
2026-06-26 SWA4598 - Jun 26, 12:55 UTCJun 26, 14:15 UTC1h 20m
2026-06-26 SWA987 - Jun 26, 00:10 UTCJun 26, 02:40 UTC2h 30m
2026-06-25 SWA3439 - Jun 25, 20:59 UTCJun 25, 22:49 UTC1h 50m
2026-06-25 SWA3379 DEN → BDL Jun 25, 17:44 UTCJun 25, 19:34 UTC1h 50m
2026-06-25 SWA3379 DEN → BDL Jun 25, 17:40 UTCJun 25, 19:30 UTC1h 50m
2026-06-25 SWA1171 - Jun 25, 14:44 UTCJun 25, 16:29 UTC1h 45m
2026-06-25 SWA1171 BWI → MCO Jun 25, 14:40 UTCJun 25, 16:28 UTC1h 48m
2026-06-25 SWA462 - Jun 25, 11:54 UTCJun 25, 13:14 UTC1h 20m
2026-06-25 SWA462 BNA → BWI Jun 25, 11:54 UTCJun 25, 13:12 UTC1h 18m
2026-06-25 SWA3480 BWI → CMH Jun 25, 06:09 UTCJun 25, 09:34 UTC3h 25m
2026-06-25 SWA382 SMF → SAN Jun 25, 03:50 UTCJun 25, 05:00 UTC1h 10m
2026-06-25 SWA382 SMF → SAN Jun 25, 03:46 UTCJun 25, 04:55 UTC1h 9m
2026-06-25 SWA1890 - Jun 25, 01:24 UTCJun 25, 02:54 UTC1h 30m
2026-06-25 SWA1890 GEG → SMF Jun 25, 01:22 UTCJun 25, 02:50 UTC1h 28m
2026-06-24 SWA1890 DEN → GEG Jun 24, 22:25 UTCJun 25, 00:24 UTC2h 0m

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 N8651A page for operator, model, and routing details .

Mode-S ABE3E6 frequently asked

What is Mode-S code ABE3E6?
ABE3E6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8651A.
Where is Mode-S ABE3E6 registered?
Mode-S code ABE3E6 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 ABE3E6 broadcasting right now?
No active broadcast right now. Last signal was 13d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABE3E6, octal 52761746, decimal 11,264,998.
What flights does ABE3E6 operate?
Mode-S ABE3E6 has broadcast 20 distinct callsigns, including SWA3064, SWA446, SWA3693, SWA29, SWA2768.