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
Broadcasting now · callsign SWA2040 · 3,875 ft
Flights observed
493
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

ACD2BE is currently broadcasting. Map zoomed to live position.

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
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
SWA11 Southwest Airlines 4 2026-04-29
SWA8501 Southwest Airlines 3 2026-05-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWA2040 - Jul 14, 22:55 UTCJul 14, 23:25 UTC30m
2026-07-14 SWA294 - Jul 14, 20:25 UTCJul 14, 21:30 UTC1h 5m
2026-07-14 SWA294 TPA → RDU Jul 14, 17:50 UTCJul 14, 19:10 UTC1h 20m
2026-07-14 SWA2860 - Jul 14, 14:30 UTCJul 14, 16:50 UTC2h 20m
2026-07-14 SWA4459 MCO → MKE Jul 14, 11:15 UTCJul 14, 13:30 UTC2h 15m
2026-07-13 SWA692 - Jul 13, 22:35 UTCJul 14, 01:00 UTC2h 25m
2026-07-13 SWA692 - Jul 13, 19:00 UTCJul 13, 20:45 UTC1h 45m
2026-07-13 SWA3296 - Jul 13, 14:40 UTCJul 13, 17:55 UTC3h 15m
2026-07-13 SWA2062 - Jul 13, 11:25 UTCJul 13, 13:35 UTC2h 10m
2026-07-13 SWA2062 HOU → PHX Jul 13, 11:21 UTCJul 13, 13:31 UTC2h 11m
2026-07-13 SWA4675 - Jul 13, 06:25 UTCJul 13, 09:15 UTC2h 50m
2026-07-13 SWA3324 PHX → SAN Jul 13, 04:30 UTCJul 13, 05:20 UTC50m
2026-07-13 SWA3324 - Jul 13, 04:30 UTCJul 13, 05:31 UTC1h 0m
2026-07-12 SWA3266 - Jul 12, 23:30 UTCJul 13, 01:01 UTC1h 30m
2026-07-12 SWA4102 PHX → SJC Jul 12, 21:00 UTCJul 12, 22:25 UTC1h 25m
2026-07-12 SWA4805 - Jul 12, 18:25 UTCJul 12, 19:55 UTC1h 30m
2026-07-12 SWA4805 RNO → PHX Jul 12, 18:23 UTCJul 12, 19:51 UTC1h 28m
2026-07-12 SWA2296 SAN → RNO Jul 12, 16:13 UTCJul 12, 17:16 UTC1h 3m
2026-07-12 SWA2296 - Jul 12, 16:15 UTCJul 12, 17:15 UTC1h 0m
2026-07-12 SWA4813 STS → SAN Jul 12, 13:35 UTCJul 12, 15:01 UTC1h 25m
2026-07-12 SWA4813 STS → SAN Jul 12, 13:35 UTCJul 12, 14:59 UTC1h 25m
2026-07-12 SWA4191 - Jul 12, 03:15 UTCJul 12, 04:20 UTC1h 5m
2026-07-12 SWA4191 SAN → STS Jul 12, 03:15 UTCJul 12, 04:26 UTC1h 11m
2026-07-11 SWA1164 - Jul 11, 21:15 UTCJul 12, 02:05 UTC4h 50m
2026-07-11 SWA1164 BWI → SAN Jul 11, 21:14 UTCJul 12, 01:59 UTC4h 46m
2026-07-11 SWA2074 - Jul 11, 18:15 UTCJul 11, 20:05 UTC1h 50m
2026-07-11 SWA2074 VPS → BWI Jul 11, 18:11 UTCJul 11, 20:02 UTC1h 51m
2026-07-11 SWA2074 - Jul 11, 16:00 UTCJul 11, 17:15 UTC1h 15m
2026-07-11 SWA4767 - Jul 11, 13:05 UTCJul 11, 14:05 UTC1h 0m
2026-07-11 SWA4767 OKC → HOU Jul 11, 13:01 UTCJul 11, 14:07 UTC1h 7m
2026-07-11 SWA175 DEN → OKC Jul 11, 03:15 UTCJul 11, 04:20 UTC1h 5m
2026-07-10 SWA1743 - Jul 10, 22:50 UTCJul 11, 01:50 UTC3h 0m
2026-07-10 SWA4793 DAL → MSY Jul 10, 20:55 UTCJul 10, 22:00 UTC1h 5m
2026-07-10 SWA4793 DAL → MSY Jul 10, 20:52 UTCJul 10, 21:56 UTC1h 4m
2026-07-10 SWA3595 - Jul 10, 17:45 UTCJul 10, 19:45 UTC2h 0m
2026-07-10 SWA667 BNA → SAV Jul 10, 15:35 UTCJul 10, 16:40 UTC1h 5m
2026-07-10 SWA1528 MSP → BNA Jul 10, 12:20 UTCJul 10, 13:55 UTC1h 35m
2026-07-10 SWA4085 - Jul 10, 03:05 UTCJul 10, 04:05 UTC1h 0m
2026-07-09 SWA4085 - Jul 9, 23:05 UTCJul 10, 02:05 UTC3h 0m
2026-07-09 SWA4085 - Jul 9, 21:45 UTCJul 9, 22:10 UTC25m
2026-07-09 SWA4870 PHX → TUS Jul 9, 20:30 UTCJul 9, 20:55 UTC25m
2026-07-09 SWA4870 PHX → TUS Jul 9, 20:25 UTCJul 9, 20:52 UTC27m
2026-07-09 SWA403 SLC → PHX Jul 9, 18:25 UTCJul 9, 19:40 UTC1h 15m
2026-07-09 SWA403 SLC → PHX Jul 9, 18:22 UTCJul 9, 19:36 UTC1h 15m
2026-07-09 SWA403 AUS → SLC Jul 9, 14:25 UTCJul 9, 17:05 UTC2h 40m
2026-07-09 SWA2444 - Jul 9, 12:20 UTCJul 9, 13:10 UTC50m
2026-07-09 SWA4818 - Jul 9, 01:20 UTCJul 9, 02:10 UTC50m
2026-07-08 SWA4818 RDU → AUS Jul 8, 21:45 UTCJul 9, 00:20 UTC2h 35m
2026-07-08 SWA3780 - Jul 8, 17:40 UTCJul 8, 20:40 UTC3h 0m
2026-07-08 SWA2837 SMF → DEN Jul 8, 14:35 UTCJul 8, 16:30 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?
Yes. Mode-S ACD2BE is currently airborne.
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, SWA106, SWA695, SWA686.