Apparatus

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sensors Mode-S transponder

ABE475

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8655D · BOEING 737-800 · operated by SOUTHWEST AIRLINES CO

Hex
ABE475
Octal
52762165
Decimal
11,265,141
Country
US
Tail
N8655D
Type
B738
No current signal · last broadcast Jul 26, 21:15 UTC
Flights observed
769
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S ABE475.

Country allocation

The ICAO 24-bit address ABE475 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
SWA2710 Southwest Airlines 6 2026-06-02
SWA3353 Southwest Airlines 5 2026-06-09
SWA1898 - 5 2026-07-02
SWA3955 Southwest Airlines 4 2026-06-17
SWA3805 Southwest Airlines 4 2026-06-02
SWA3752 Southwest Airlines 4 2026-06-02
SWA3277 Southwest Airlines 4 2026-05-27
SWA3261 - 4 2026-06-19
SWA2752 - 4 2026-06-22
SWA256 - 4 2026-06-27
SWA2369 Southwest Airlines 4 2026-06-21
SWA983 - 3 2026-06-22
SWA928 Southwest Airlines 3 2026-06-15
SWA743 - 3 2026-07-14
SWA734 Southwest Airlines 3 2026-05-29
SWA615 Southwest Airlines 3 2026-05-23
SWA508 Southwest Airlines 3 2026-05-16
SWA4311 Southwest Airlines 3 2026-05-19
SWA3944 - 3 2026-07-10
SWA3807 - 3 2026-06-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWA931 SFO → BUR Jul 26, 20:15 UTCJul 26, 21:15 UTC1h 0m
2026-07-26 SWA931 SFO → BUR Jul 26, 17:40 UTCJul 26, 19:10 UTC1h 30m
2026-07-26 SWA158 AUS → SNA Jul 26, 14:40 UTCJul 26, 16:25 UTC1h 45m
2026-07-26 SWA1261 IND → ATL Jul 26, 11:20 UTCJul 26, 13:10 UTC1h 50m
2026-07-26 SWA1347 MDW → TPA Jul 26, 02:30 UTCJul 26, 04:30 UTC2h 0m
2026-07-25 SWA1681 MHT → BWI Jul 25, 23:40 UTCJul 26, 01:10 UTC1h 30m
2026-07-25 SWA1681 MHT → BWI Jul 25, 23:35 UTCJul 26, 01:00 UTC1h 25m
2026-07-25 SWA2768 SJC → BOI Jul 25, 20:25 UTCJul 25, 22:25 UTC2h 0m
2026-07-25 SWA277 BUR → DEN Jul 25, 17:40 UTCJul 25, 19:05 UTC1h 25m
2026-07-25 SWA3662 DEN → PHL Jul 25, 13:50 UTCJul 25, 16:10 UTC2h 20m
2026-07-25 SWA3662 DEN → PHL Jul 25, 07:25 UTCJul 25, 12:40 UTC5h 15m
2026-07-25 SWA1319 OAK → ONT Jul 25, 05:40 UTCJul 25, 06:10 UTC30m
2026-07-25 SWA1319 OAK → ONT Jul 25, 03:15 UTCJul 25, 04:35 UTC1h 20m
2026-07-24 SWA2456 SAN → SJC Jul 24, 21:49 UTCJul 25, 01:25 UTC3h 36m
2026-07-24 SWA2456 SAN → SJC Jul 24, 21:50 UTCJul 25, 01:30 UTC3h 40m
2026-07-24 SWA2014 OAK → LAX Jul 24, 17:05 UTCJul 24, 20:05 UTC3h 0m
2026-07-24 SWA4645 PHX → GEG Jul 24, 09:35 UTCJul 24, 11:30 UTC1h 55m
2026-07-24 SWA4216 BNA → TPA Jul 24, 02:40 UTCJul 24, 04:05 UTC1h 25m
2026-07-23 SWA2159 BWI → DAL Jul 23, 23:45 UTCJul 24, 01:15 UTC1h 30m
2026-07-23 SWA2159 BWI → DAL Jul 23, 23:40 UTCJul 24, 01:16 UTC1h 36m
2026-07-23 SWA4384 ISP → BWI Jul 23, 19:55 UTCJul 23, 21:15 UTC1h 20m
2026-07-23 SWA4384 ISP → BWI Jul 23, 19:52 UTCJul 23, 22:40 UTC2h 48m
2026-07-23 SWA9001 SAN → LAS Jul 23, 16:55 UTCJul 23, 18:50 UTC1h 55m
2026-07-23 SWA3824 BNA → DCA Jul 23, 12:40 UTCJul 23, 15:20 UTC2h 40m
2026-07-23 SWA4645 PHX → GEG Jul 23, 09:35 UTCJul 23, 11:30 UTC1h 55m
2026-07-23 SWA1211 SJC → BUR Jul 23, 05:05 UTCJul 23, 07:00 UTC1h 55m
2026-07-23 SWA3497 STL → MCI Jul 23, 02:05 UTCJul 23, 04:05 UTC2h 0m
2026-07-22 SWA897 ONT → SJC Jul 22, 21:00 UTCJul 22, 21:50 UTC50m
2026-07-22 SWA359 - Jul 22, 19:00 UTCJul 22, 19:55 UTC55m
2026-07-22 SWA2175 - Jul 22, 17:00 UTCJul 22, 18:05 UTC1h 5m
2026-07-22 SWA1566 DEN → HOU Jul 22, 02:55 UTCJul 22, 04:15 UTC1h 20m
2026-07-21 SWA2343 - Jul 21, 22:00 UTCJul 21, 23:50 UTC1h 50m
2026-07-21 SWA2343 - Jul 21, 19:50 UTCJul 21, 20:40 UTC50m
2026-07-21 SWA2343 - Jul 21, 16:25 UTCJul 21, 18:50 UTC2h 25m
2026-07-21 SWA148 - Jul 21, 13:35 UTCJul 21, 15:20 UTC1h 45m
2026-07-21 SWA148 STL → SAT Jul 21, 13:34 UTCJul 21, 15:16 UTC1h 42m
2026-07-21 SWA1874 - Jul 21, 09:50 UTCJul 21, 12:05 UTC2h 15m
2026-07-21 SWA1874 FLL → STL Jul 21, 09:45 UTCJul 21, 12:02 UTC2h 17m
2026-07-21 SWA4825 MCO → MEM Jul 21, 01:45 UTCJul 21, 04:05 UTC2h 20m
2026-07-20 SWA127 ABQ → OAK Jul 20, 22:40 UTCJul 21, 00:25 UTC1h 45m
2026-07-20 SWA1944 - Jul 20, 20:15 UTCJul 20, 21:55 UTC1h 40m
2026-07-20 SWA1944 HOU → ABQ Jul 20, 20:10 UTCJul 20, 21:47 UTC1h 37m
2026-07-20 SWA126 - Jul 20, 16:40 UTCJul 20, 18:25 UTC1h 45m
2026-07-20 SWA4943 GEG → PHX Jul 20, 14:00 UTCJul 20, 15:30 UTC1h 30m
2026-07-20 SWA4943 GEG → PHX Jul 20, 13:59 UTCJul 20, 15:30 UTC1h 31m
2026-07-20 SWA332 - Jul 20, 10:15 UTCJul 20, 12:55 UTC2h 40m
2026-07-20 SWA4610 ELP → SAT Jul 20, 05:15 UTCJul 20, 05:45 UTC30m
2026-07-20 SWA1122 - Jul 20, 03:05 UTCJul 20, 04:15 UTC1h 10m
2026-07-20 SWA1122 - Jul 20, 00:05 UTCJul 20, 01:55 UTC1h 50m
2026-07-19 SWA918 - Jul 19, 15:10 UTCJul 19, 21:00 UTC5h 50m

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 N8655D page for operator, model, and routing details .

Mode-S ABE475 frequently asked

What is Mode-S code ABE475?
ABE475 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8655D.
Where is Mode-S ABE475 registered?
Mode-S code ABE475 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 ABE475 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABE475, octal 52762165, decimal 11,265,141.
What flights does ABE475 operate?
Mode-S ABE475 has broadcast 20 distinct callsigns, including SWA2710, SWA3353, SWA1898, SWA3955, SWA3805.