Apparatus

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sensors Mode-S transponder

ACD2BE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N925WN · BOEING 737-700 · operated by SOUTHWEST AIRLINES CO

Hex
ACD2BE
Octal
53151276
Decimal
11,326,142
Country
US
Tail
N925WN
Type
B737
No current signal · last broadcast Jul 26, 21:10 UTC
Flights observed
583
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:10 UTC

Last known position

Most recent position reported by Mode-S ACD2BE.

Country allocation

The ICAO 24-bit address ACD2BE 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
SWA1149 Southwest Airlines 7 2026-04-17
SWA3354 Southwest Airlines 6 2026-04-25
SWA148 - 6 2026-07-23
SWA106 - 6 2026-07-03
SWA695 - 5 2026-07-07
SWA686 Southwest Airlines 5 2026-06-13
SWA278 - 5 2026-06-20
SWA2720 Southwest Airlines 5 2026-04-21
SWA4950 Southwest Airlines 4 2026-06-19
SWA4877 Southwest Airlines 4 2026-06-19
SWA4459 - 4 2026-07-14
SWA3847 Southwest Airlines 4 2026-05-03
SWA339 - 4 2026-06-14
SWA3210 - 4 2026-07-07
SWA3108 - 4 2026-04-17
SWA2807 Southwest Airlines 4 2026-04-16
SWA2031 - 4 2026-06-24
SWA1586 Southwest Airlines 4 2026-05-02
SWA120 - 4 2026-06-16
SWA114 Southwest Airlines 4 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWA533 BUR → SJC Jul 26, 19:35 UTCJul 26, 21:10 UTC1h 35m
2026-07-26 SWA533 BUR → SJC Jul 26, 17:30 UTCJul 26, 18:20 UTC50m
2026-07-26 SWA2667 PVD → BWI Jul 26, 14:20 UTCJul 26, 16:20 UTC2h 0m
2026-07-26 SWA2667 PVD → BWI Jul 26, 14:21 UTCJul 26, 16:24 UTC2h 3m
2026-07-26 SWA2667 PVD → BWI Jul 26, 12:20 UTCJul 26, 13:35 UTC1h 15m
2026-07-25 SWA787 CMH → BWI Jul 25, 21:20 UTCJul 25, 22:45 UTC1h 25m
2026-07-25 SWA787 CMH → BWI Jul 25, 21:15 UTCJul 25, 22:40 UTC1h 25m
2026-07-25 SWA3384 LAX → TUS Jul 25, 17:20 UTCJul 25, 20:10 UTC2h 50m
2026-07-25 SWA3384 LAX → TUS Jul 25, 17:19 UTCJul 25, 20:05 UTC2h 46m
2026-07-25 SWA2614 SJC → BUR Jul 25, 13:35 UTCJul 25, 16:20 UTC2h 45m
2026-07-25 SWA1233 SJC → STL Jul 25, 11:10 UTCJul 25, 11:40 UTC30m
2026-07-25 SWA57 DAL → HOU Jul 25, 05:35 UTCJul 25, 06:05 UTC30m
2026-07-25 SWA57 DAL → HOU Jul 25, 03:55 UTCJul 25, 04:35 UTC40m
2026-07-25 SWA57 DAL → HOU Jul 25, 02:05 UTCJul 25, 03:00 UTC55m
2026-07-25 SWA4995 MSY → LAS Jul 25, 00:40 UTCJul 25, 01:25 UTC45m
2026-07-24 SWA345 DEN → LAS Jul 24, 19:05 UTCJul 24, 21:45 UTC2h 40m
2026-07-24 SWA3626 BWI → MKE Jul 24, 16:50 UTCJul 24, 17:50 UTC1h 0m
2026-07-24 SWA3626 BWI → MKE Jul 24, 13:55 UTCJul 24, 15:50 UTC1h 55m
2026-07-24 SWA3082 MDW → PHL Jul 24, 05:10 UTCJul 24, 06:35 UTC1h 25m
2026-07-24 SWA3082 MDW → PHL Jul 24, 03:00 UTCJul 24, 03:55 UTC55m
2026-07-24 SWA480 SAN → OAK Jul 24, 01:20 UTCJul 24, 02:25 UTC1h 5m
2026-07-24 SWA480 SAN → OAK Jul 24, 01:19 UTCJul 24, 02:20 UTC1h 1m
2026-07-23 SWA148 LAS → SFO Jul 23, 23:05 UTCJul 24, 00:40 UTC1h 35m
2026-07-23 SWA148 LAS → SFO Jul 23, 23:05 UTCJul 24, 00:37 UTC1h 32m
2026-07-23 SWA148 LAS → SFO Jul 23, 21:25 UTCJul 23, 22:15 UTC50m
2026-07-23 SWA148 LAS → SFO Jul 23, 19:05 UTCJul 23, 20:25 UTC1h 20m
2026-07-23 SWA148 LAS → SFO Jul 23, 16:00 UTCJul 23, 18:00 UTC2h 0m
2026-07-23 SWA148 - Jul 23, 13:10 UTCJul 23, 14:30 UTC1h 20m
2026-07-23 SWA1501 OAK → PHX Jul 23, 06:35 UTCJul 23, 09:35 UTC3h 0m
2026-07-23 SWA1501 OAK → PHX Jul 23, 06:34 UTCJul 23, 09:38 UTC3h 5m
2026-07-23 SWA4152 BNA → HOU Jul 23, 03:05 UTCJul 23, 05:05 UTC2h 0m
2026-07-23 SWA1845 PVD → MDW Jul 23, 01:15 UTCJul 23, 02:05 UTC50m
2026-07-22 SWA2235 LAX → SJC Jul 22, 22:35 UTCJul 22, 23:20 UTC45m
2026-07-22 SWA2235 LAX → SJC Jul 22, 22:31 UTCJul 22, 23:20 UTC49m
2026-07-22 SWA799 MDW → BOS Jul 22, 04:40 UTCJul 22, 05:25 UTC45m
2026-07-22 SWA2202 SFO → BUR Jul 22, 03:15 UTCJul 22, 04:00 UTC45m
2026-07-21 SWA4240 SJC → SAN Jul 21, 23:50 UTCJul 22, 02:10 UTC2h 20m
2026-07-21 SWA4240 SJC → SAN Jul 21, 23:45 UTCJul 22, 02:09 UTC2h 24m
2026-07-21 SWA4240 SJC → SAN Jul 21, 21:40 UTCJul 21, 22:50 UTC1h 10m
2026-07-21 SWA4725 RSW → BDL Jul 21, 18:45 UTCJul 21, 20:05 UTC1h 20m
2026-07-21 SWA4725 RSW → BDL Jul 21, 18:40 UTCJul 21, 19:49 UTC1h 9m
2026-07-21 SWA383 LAX → SJC Jul 21, 15:30 UTCJul 21, 16:40 UTC1h 10m
2026-07-21 SWA2518 BWI → ALB Jul 21, 13:25 UTCJul 21, 14:20 UTC55m
2026-07-21 SWA2518 BWI → ALB Jul 21, 13:23 UTCJul 21, 14:12 UTC49m
2026-07-21 SWA1374 DEN → AUS Jul 21, 01:55 UTCJul 21, 03:15 UTC1h 20m
2026-07-21 SWA1374 DEN → AUS Jul 21, 01:50 UTCJul 21, 03:10 UTC1h 20m
2026-07-20 SWA1374 DEN → AUS Jul 20, 22:30 UTCJul 21, 01:00 UTC2h 30m
2026-07-20 SWA114 LAS → SAN Jul 20, 18:05 UTCJul 20, 20:20 UTC2h 15m
2026-07-20 SWA114 LAS → SAN Jul 20, 16:25 UTCJul 20, 17:10 UTC45m
2026-07-20 SWA114 LAS → SAN Jul 20, 13:25 UTCJul 20, 15:20 UTC1h 55m

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 N925WN page for operator, model, and routing details .

Mode-S ACD2BE frequently asked

What is Mode-S code ACD2BE?
ACD2BE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N925WN.
Where is Mode-S ACD2BE registered?
Mode-S code ACD2BE 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 ACD2BE broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACD2BE, octal 53151276, decimal 11,326,142.
What flights does ACD2BE operate?
Mode-S ACD2BE has broadcast 20 distinct callsigns, including SWA1149, SWA3354, SWA148, SWA106, SWA695.