Apparatus

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sensors Mode-S transponder

AB5F43

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8316H · BOEING 737-800 · operated by SOUTHWEST AIRLINES CO

Hex
AB5F43
Octal
52657503
Decimal
11,231,043
Country
US
Tail
N8316H
Type
B738
Broadcasting now · callsign SWA2496 · 32,000 ft
Flights observed
636
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

AB5F43 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AB5F43 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
SWA4541 - 5 2026-07-08
SWA3768 Southwest Airlines 5 2026-04-17
SWA732 - 4 2026-04-13
SWA7 Southwest Airlines 4 2026-06-11
SWA3644 Southwest Airlines 4 2026-05-06
SWA3518 - 4 2026-06-22
SWA1010 - 4 2026-07-02
SWA974 Southwest Airlines 3 2026-06-12
SWA823 - 3 2026-07-11
SWA754 Southwest Airlines 3 2026-04-26
SWA752 Southwest Airlines 3 2026-04-26
SWA699 - 3 2026-04-13
SWA4534 Southwest Airlines 3 2026-05-29
SWA449 Southwest Airlines 3 2026-04-16
SWA3904 Southwest Airlines 3 2026-06-27
SWA3585 - 3 2026-06-23
SWA3566 - 3 2026-07-05
SWA3435 - 3 2026-06-28
SWA3293 Southwest Airlines 3 2026-06-10
SWA307 - 3 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWA1642 - Jul 14, 16:50 UTCJul 14, 18:45 UTC1h 55m
2026-07-14 SWA3910 STL → DEN Jul 14, 13:45 UTCJul 14, 15:30 UTC1h 45m
2026-07-14 SWA3471 RSW → STL Jul 14, 10:10 UTCJul 14, 12:20 UTC2h 10m
2026-07-14 SWA658 BNA → RSW Jul 14, 03:20 UTCJul 14, 05:00 UTC1h 40m
2026-07-14 SWA1369 - Jul 14, 01:15 UTCJul 14, 02:25 UTC1h 10m
2026-07-13 SWA925 - Jul 13, 22:20 UTCJul 14, 00:25 UTC2h 5m
2026-07-13 SWA1362 - Jul 13, 15:50 UTCJul 13, 18:40 UTC2h 50m
2026-07-13 SWA1362 LAX → DAL Jul 13, 15:49 UTCJul 13, 18:34 UTC2h 45m
2026-07-13 SWA1326 - Jul 13, 11:50 UTCJul 13, 14:25 UTC2h 35m
2026-07-13 SWA1786 - Jul 13, 02:45 UTCJul 13, 04:05 UTC1h 20m
2026-07-13 SWA1786 ELP → DAL Jul 13, 02:32 UTCJul 13, 04:03 UTC1h 31m
2026-07-12 SWA4386 - Jul 12, 22:45 UTCJul 12, 23:40 UTC55m
2026-07-12 SWA4386 DAL → CMH Jul 12, 22:41 UTCJul 12, 23:56 UTC1h 15m
2026-07-12 SWA4234 PPM → DEN Jul 12, 17:55 UTCJul 12, 21:30 UTC3h 35m
2026-07-12 SWA4234 FLL → DEN Jul 12, 17:52 UTCJul 12, 21:32 UTC3h 40m
2026-07-12 SWA1218 DAL → FLL Jul 12, 14:05 UTCJul 12, 16:25 UTC2h 20m
2026-07-12 SWA1218 DAL → FLL Jul 12, 14:01 UTCJul 12, 16:23 UTC2h 22m
2026-07-12 SWA1218 COS → DAL Jul 12, 11:15 UTCJul 12, 12:40 UTC1h 25m
2026-07-12 SWA3970 - Jul 12, 04:10 UTCJul 12, 05:35 UTC1h 25m
2026-07-12 SWA972 - Jul 12, 00:30 UTCJul 12, 03:10 UTC2h 40m
2026-07-11 SWA240 AUS → MSY Jul 11, 22:15 UTCJul 11, 23:20 UTC1h 5m
2026-07-11 SWA399 - Jul 11, 19:10 UTCJul 11, 21:15 UTC2h 5m
2026-07-11 SWA1243 - Jul 11, 14:50 UTCJul 11, 17:00 UTC2h 10m
2026-07-11 SWA4088 MDW → CLE Jul 11, 13:13 UTCJul 11, 14:00 UTC47m
2026-07-11 SWA361 AUS → MDW Jul 11, 06:01 UTCJul 11, 08:10 UTC2h 10m
2026-07-11 SWA361 AUS → MDW Jul 11, 06:00 UTCJul 11, 08:12 UTC2h 12m
2026-07-11 SWA4001 - Jul 11, 03:10 UTCJul 11, 05:15 UTC2h 5m
2026-07-11 SWA823 - Jul 11, 01:15 UTCJul 11, 01:55 UTC40m
2026-07-10 SWA823 - Jul 10, 20:15 UTCJul 10, 23:55 UTC3h 40m
2026-07-10 SWA823 - Jul 10, 17:50 UTCJul 10, 18:35 UTC45m
2026-07-10 SWA1059 RDU → BWI Jul 10, 15:55 UTCJul 10, 16:35 UTC40m
2026-07-10 SWA852 - Jul 10, 13:20 UTCJul 10, 14:45 UTC1h 25m
2026-07-10 SWA2105 - Jul 10, 10:20 UTCJul 10, 11:35 UTC1h 15m
2026-07-10 SWA4241 - Jul 10, 04:50 UTCJul 10, 06:15 UTC1h 25m
2026-07-10 SWA4241 MDW → ICT Jul 10, 04:47 UTCJul 10, 06:16 UTC1h 29m
2026-07-10 SWA4367 - Jul 10, 02:30 UTCJul 10, 04:05 UTC1h 35m
2026-07-10 SWA4367 MYR → MDW Jul 10, 02:21 UTCJul 10, 04:02 UTC1h 42m
2026-07-09 SWA423 - Jul 9, 23:50 UTCJul 10, 01:15 UTC1h 25m
2026-07-09 SWA1143 - Jul 9, 19:05 UTCJul 9, 20:00 UTC55m
2026-07-09 SWA1143 - Jul 9, 14:45 UTCJul 9, 15:55 UTC1h 10m
2026-07-09 SWA898 - Jul 9, 12:25 UTCJul 9, 13:45 UTC1h 20m
2026-07-09 SWA756 BUF → BWI Jul 9, 10:15 UTCJul 9, 11:05 UTC50m
2026-07-09 SWA2659 - Jul 9, 00:55 UTCJul 9, 01:55 UTC1h 0m
2026-07-08 SWA2659 MCO → MDW Jul 8, 21:30 UTCJul 8, 23:45 UTC2h 15m
2026-07-08 SWA293 - Jul 8, 14:35 UTCJul 8, 19:10 UTC4h 35m
2026-07-08 SWA2815 - Jul 8, 10:30 UTCJul 8, 12:40 UTC2h 10m
2026-07-08 SWA4541 - Jul 8, 00:35 UTCJul 8, 04:15 UTC3h 40m
2026-07-08 SWA4541 LAX → MDW Jul 8, 00:32 UTCJul 8, 04:05 UTC3h 33m
2026-07-07 SWA3970 - Jul 7, 20:25 UTCJul 7, 23:15 UTC2h 50m
2026-07-07 SWA306 - Jul 7, 17:30 UTCJul 7, 17:50 UTC20m

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 N8316H page for operator, model, and routing details .

Mode-S AB5F43 frequently asked

What is Mode-S code AB5F43?
AB5F43 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8316H.
Where is Mode-S AB5F43 registered?
Mode-S code AB5F43 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 AB5F43 broadcasting right now?
Yes. Mode-S AB5F43 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB5F43, octal 52657503, decimal 11,231,043.
What flights does AB5F43 operate?
Mode-S AB5F43 has broadcast 20 distinct callsigns, including SWA4541, SWA3768, SWA732, SWA7, SWA3644.