Apparatus

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sensors Mode-S transponder

A5F5BF

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N483WN · BOEING 737-700 · operated by SOUTHWEST AIRLINES CO

Hex
A5F5BF
Octal
51372677
Decimal
10,876,351
Country
US
Tail
N483WN
Type
B737
Broadcasting now · callsign SWA1298 · 10,025 ft
Flights observed
566
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 19:55 UTC

Current position

A5F5BF is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A5F5BF 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
SWA391 Southwest Airlines 6 2026-05-11
SWA8506 Southwest Airlines 5 2026-07-17
SWA8 Southwest Airlines 5 2026-05-08
SWA696 Southwest Airlines 5 2026-05-18
SWA411 - 5 2026-06-29
SWA3563 - 5 2026-07-02
SWA2812 - 5 2026-06-17
SWA2091 Southwest Airlines 5 2026-05-19
SWA2064 - 5 2026-07-09
SWA4055 Southwest Airlines 4 2026-04-29
SWA4007 Southwest Airlines 4 2026-04-16
SWA3520 - 4 2026-06-24
SWA3057 - 4 2026-07-01
SWA2986 - 4 2026-07-17
SWA2732 - 4 2026-07-18
SWA2577 Southwest Airlines 4 2026-05-10
SWA2300 Southwest Airlines 4 2026-04-14
SWA188 Southwest Airlines 4 2026-05-01
SWA1450 - 4 2026-06-30
SWA1444 Southwest Airlines 4 2026-05-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWA1695 ISP → BWI Jul 26, 18:55 UTCJul 26, 19:55 UTC1h 0m
2026-07-26 SWA1695 ISP → BWI Jul 26, 15:55 UTCJul 26, 17:45 UTC1h 50m
2026-07-26 SWA1695 ISP → BWI Jul 26, 14:05 UTCJul 26, 14:55 UTC50m
2026-07-26 SWA1558 LGB → OAK Jul 26, 11:55 UTCJul 26, 12:50 UTC55m
2026-07-26 SWA1558 LGB → OAK Jul 26, 11:55 UTCJul 26, 12:48 UTC54m
2026-07-26 SWA4277 DCA → MCI Jul 26, 02:30 UTCJul 26, 03:20 UTC50m
2026-07-25 SWA2660 LGA → ATL Jul 25, 22:50 UTCJul 26, 01:15 UTC2h 25m
2026-07-25 SWA1641 AUA → MCO Jul 25, 17:20 UTCJul 25, 20:20 UTC3h 0m
2026-07-25 SWA1802 BWI → ALB Jul 25, 15:50 UTCJul 25, 16:05 UTC15m
2026-07-25 SWA1802 BWI → ALB Jul 25, 13:25 UTCJul 25, 14:10 UTC45m
2026-07-25 SWA3452 LAS → OAK Jul 25, 09:45 UTCJul 25, 11:40 UTC1h 55m
2026-07-25 SWA3452 LAS → OAK Jul 25, 09:42 UTCJul 25, 11:34 UTC1h 52m
2026-07-25 SWA4263 STL → BOS Jul 25, 00:10 UTCJul 25, 01:35 UTC1h 25m
2026-07-24 SWA961 MIA → MDW Jul 24, 22:35 UTCJul 24, 23:10 UTC35m
2026-07-24 SWA961 MIA → MDW Jul 24, 20:20 UTCJul 24, 21:35 UTC1h 15m
2026-07-24 SWA477 BNA → RSW Jul 24, 17:45 UTCJul 24, 18:55 UTC1h 10m
2026-07-24 SWA477 BNA → RSW Jul 24, 15:35 UTCJul 24, 16:25 UTC50m
2026-07-24 SWA2913 DAL → ATL Jul 24, 13:40 UTCJul 24, 14:15 UTC35m
2026-07-24 SWA4100 - Jul 24, 03:25 UTCJul 24, 04:35 UTC1h 10m
2026-07-23 SWA2920 SJC → AUS Jul 23, 23:40 UTCJul 24, 01:40 UTC2h 0m
2026-07-23 SWA2920 SJC → AUS Jul 23, 23:38 UTCJul 24, 01:40 UTC2h 2m
2026-07-23 SWA4736 FLL → PHX Jul 23, 21:35 UTCJul 23, 21:45 UTC10m
2026-07-23 SWA4736 FLL → PHX Jul 23, 21:30 UTCJul 23, 22:28 UTC58m
2026-07-23 SWA4734 DAL → MCO Jul 23, 19:30 UTCJul 23, 20:25 UTC55m
2026-07-23 SWA894 SJC → LAX Jul 23, 17:35 UTCJul 23, 18:25 UTC50m
2026-07-23 SWA758 OAK → LAX Jul 23, 15:15 UTCJul 23, 16:05 UTC50m
2026-07-23 SWA758 OAK → LAX Jul 23, 15:14 UTCJul 23, 16:05 UTC52m
2026-07-23 SWA758 OAK → LAX Jul 23, 13:05 UTCJul 23, 14:10 UTC1h 5m
2026-07-22 SWA766 MDW → LGA Jul 22, 20:05 UTCJul 22, 21:25 UTC1h 20m
2026-07-22 SWA766 MDW → LGA Jul 22, 18:15 UTCJul 22, 19:10 UTC55m
2026-07-22 SWA766 MDW → LGA Jul 22, 15:35 UTCJul 22, 16:35 UTC1h 0m
2026-07-22 SWA4545 OAK → BUR Jul 22, 12:00 UTCJul 22, 14:25 UTC2h 25m
2026-07-21 SWA1624 DAL → LGA Jul 21, 19:30 UTCJul 21, 23:00 UTC3h 30m
2026-07-21 SWA3050 BUR → SJC Jul 21, 01:10 UTCJul 21, 02:20 UTC1h 10m
2026-07-20 SWA3050 BUR → SJC Jul 20, 21:55 UTCJul 21, 00:10 UTC2h 15m
2026-07-20 SWA2084 STL → DCA Jul 20, 18:55 UTCJul 20, 20:30 UTC1h 35m
2026-07-20 SWA2084 - Jul 20, 16:05 UTCJul 20, 17:45 UTC1h 40m
2026-07-20 SWA532 BNA → HOU Jul 20, 13:15 UTCJul 20, 14:50 UTC1h 35m
2026-07-20 SWA2449 SJC → SAN Jul 20, 03:05 UTCJul 20, 04:50 UTC1h 45m
2026-07-19 SWA4962 DEN → BLI Jul 19, 21:25 UTCJul 19, 23:20 UTC1h 55m
2026-07-19 SWA409 AUS → STL Jul 19, 18:20 UTCJul 19, 20:15 UTC1h 55m
2026-07-19 SWA4700 SNA → OAK Jul 19, 14:35 UTCJul 19, 16:35 UTC2h 0m
2026-07-19 SWA458 AUS → IND Jul 19, 11:32 UTCJul 19, 13:30 UTC1h 58m
2026-07-19 SWA458 AUS → IND Jul 19, 11:35 UTCJul 19, 13:35 UTC2h 0m
2026-07-19 SWA2600 ONT → OAK Jul 19, 03:55 UTCJul 19, 06:05 UTC2h 10m
2026-07-18 SWA1629 BNA → BOS Jul 18, 23:30 UTCJul 19, 01:15 UTC1h 45m
2026-07-18 SWA1629 BNA → BOS Jul 18, 23:28 UTCJul 19, 01:11 UTC1h 43m
2026-07-18 SWA2732 BNA → DCA Jul 18, 16:50 UTCJul 18, 18:15 UTC1h 25m
2026-07-18 SWA2732 BNA → DCA Jul 18, 16:50 UTCJul 18, 18:05 UTC1h 16m
2026-07-18 SWA2732 - Jul 18, 14:55 UTCJul 18, 15:50 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 N483WN page for operator, model, and routing details .

Mode-S A5F5BF frequently asked

What is Mode-S code A5F5BF?
A5F5BF is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N483WN.
Where is Mode-S A5F5BF registered?
Mode-S code A5F5BF 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 A5F5BF broadcasting right now?
Yes. Mode-S A5F5BF is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5F5BF, octal 51372677, decimal 10,876,351.
What flights does A5F5BF operate?
Mode-S A5F5BF has broadcast 20 distinct callsigns, including SWA391, SWA8506, SWA8, SWA696, SWA411.