Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A7506A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N570WN · BOEING 737-700 · operated by SOUTHWEST AIRLINES CO

Hex
A7506A
Octal
51650152
Decimal
10,965,098
Country
US
Tail
N570WN
Type
B737
No current signal · last broadcast Jul 26, 21:40 UTC
Flights observed
765
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:40 UTC

Last known position

Most recent position reported by Mode-S A7506A.

Country allocation

The ICAO 24-bit address A7506A 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
SWA2223 Southwest Airlines 8 2026-04-17
SWA264 Southwest Airlines 7 2026-07-23
SWA779 - 5 2026-07-20
SWA586 - 5 2026-06-27
SWA1771 - 5 2026-06-26
SWA860 Southwest Airlines 4 2026-04-21
SWA857 - 4 2026-07-11
SWA683 - 4 2026-07-23
SWA4516 Southwest Airlines 4 2026-04-20
SWA384 Southwest Airlines 4 2026-07-23
SWA3410 Southwest Airlines 4 2026-05-25
SWA2741 Southwest Airlines 4 2026-06-06
SWA2505 - 4 2026-07-02
SWA2485 Southwest Airlines 4 2026-06-22
SWA2474 Southwest Airlines 4 2026-05-30
SWA244 Southwest Airlines 4 2026-05-22
SWA1716 - 4 2026-07-19
SWA1533 Southwest Airlines 4 2026-05-20
SWA149 - 4 2026-07-06
SWA1489 - 4 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWA2024 SFO → BUR Jul 26, 20:45 UTCJul 26, 21:40 UTC55m
2026-07-26 SWA2056 SAN → SFO Jul 26, 16:55 UTCJul 26, 18:10 UTC1h 15m
2026-07-26 SWA2283 BNA → DAL Jul 26, 14:45 UTCJul 26, 15:50 UTC1h 5m
2026-07-26 SWA3778 LAS → CMH Jul 26, 12:30 UTCJul 26, 13:15 UTC45m
2026-07-26 SWA4586 SAN → SJC Jul 26, 05:41 UTCJul 26, 06:20 UTC39m
2026-07-26 SWA4586 SAN → SJC Jul 26, 05:45 UTCJul 26, 06:20 UTC35m
2026-07-26 SWA188 BWI → FLL Jul 26, 00:20 UTCJul 26, 03:45 UTC3h 25m
2026-07-25 SWA188 BWI → FLL Jul 25, 22:00 UTCJul 25, 23:20 UTC1h 20m
2026-07-25 SWA1506 SAN → OAK Jul 25, 19:30 UTCJul 25, 20:20 UTC50m
2026-07-25 SWA1506 SAN → OAK Jul 25, 16:20 UTCJul 25, 18:40 UTC2h 20m
2026-07-25 SWA3041 BNA → SRQ Jul 25, 12:50 UTCJul 25, 14:48 UTC1h 58m
2026-07-25 SWA3041 BNA → SRQ Jul 25, 12:55 UTCJul 25, 14:55 UTC2h 0m
2026-07-25 SWA3205 LGB → AUS Jul 25, 06:50 UTCJul 25, 08:20 UTC1h 30m
2026-07-25 SWA3205 LGB → AUS Jul 25, 06:45 UTCJul 25, 08:18 UTC1h 33m
2026-07-25 SWA4368 SAN → OAK Jul 25, 04:55 UTCJul 25, 06:00 UTC1h 5m
2026-07-25 SWA4368 SAN → OAK Jul 25, 00:50 UTCJul 25, 03:55 UTC3h 5m
2026-07-24 SWA1478 MCI → MCO Jul 24, 21:55 UTCJul 24, 23:40 UTC1h 45m
2026-07-24 SWA1478 MCI → MCO Jul 24, 21:54 UTCJul 24, 23:36 UTC1h 42m
2026-07-24 SWA187 BWI → MHT Jul 24, 18:55 UTCJul 24, 20:55 UTC2h 0m
2026-07-24 SWA187 BWI → MHT Jul 24, 17:15 UTCJul 24, 17:55 UTC40m
2026-07-24 SWA4296 LAS → SJC Jul 24, 14:55 UTCJul 24, 15:40 UTC45m
2026-07-24 SWA3837 AUS → MCI Jul 24, 04:05 UTCJul 24, 05:15 UTC1h 10m
2026-07-24 SWA3837 AUS → MCI Jul 24, 04:05 UTCJul 24, 05:09 UTC1h 4m
2026-07-24 SWA853 BWI → MDW Jul 24, 02:30 UTCJul 24, 03:20 UTC50m
2026-07-23 SWA2411 SJC → LIH Jul 23, 22:55 UTCJul 24, 01:30 UTC2h 35m
2026-07-23 SWA2411 SJC → LIH Jul 23, 22:52 UTCJul 24, 01:20 UTC2h 28m
2026-07-23 SWA2411 SJC → LIH Jul 23, 21:10 UTCJul 23, 21:45 UTC35m
2026-07-23 SWA264 LAX → SJC Jul 23, 16:50 UTCJul 23, 19:35 UTC2h 45m
2026-07-23 SWA264 LAX → SJC Jul 23, 14:40 UTCJul 23, 15:40 UTC1h 0m
2026-07-23 SWA264 LAX → SJC Jul 23, 12:15 UTCJul 23, 13:45 UTC1h 30m
2026-07-23 SWA384 DEN → BNA Jul 23, 03:35 UTCJul 23, 05:05 UTC1h 30m
2026-07-23 SWA384 DEN → BNA Jul 23, 01:35 UTCJul 23, 02:25 UTC50m
2026-07-23 SWA683 LAS → BUR Jul 23, 00:05 UTCJul 23, 00:50 UTC45m
2026-07-23 SWA683 BNA → TPA Jul 23, 00:03 UTCJul 23, 00:49 UTC46m
2026-07-22 SWA683 - Jul 22, 21:20 UTCJul 22, 22:45 UTC1h 25m
2026-07-22 SWA3518 DCA → CMH Jul 22, 19:14 UTCJul 22, 20:24 UTC1h 10m
2026-07-22 SWA3518 DCA → CMH Jul 22, 19:15 UTCJul 22, 20:30 UTC1h 15m
2026-07-22 SWA3518 DCA → CMH Jul 22, 17:05 UTCJul 22, 18:00 UTC55m
2026-07-22 SWA3708 PHL → DEN Jul 22, 15:06 UTCJul 22, 16:07 UTC1h 1m
2026-07-22 SWA3708 PHL → DEN Jul 22, 15:10 UTCJul 22, 16:15 UTC1h 5m
2026-07-22 SWA2978 MCO → MSY Jul 22, 12:35 UTCJul 22, 14:05 UTC1h 30m
2026-07-22 SWA2978 MCO → MSY Jul 22, 12:34 UTCJul 22, 14:03 UTC1h 29m
2026-07-22 SWA839 LAX → OAK Jul 22, 04:10 UTCJul 22, 05:05 UTC55m
2026-07-22 SWA3360 LAS → DEN Jul 22, 02:10 UTCJul 22, 03:05 UTC55m
2026-07-22 SWA3474 OAK → RNO Jul 22, 00:10 UTCJul 22, 01:10 UTC1h 0m
2026-07-22 SWA3474 OAK → RNO Jul 22, 00:05 UTCJul 22, 01:00 UTC55m
2026-07-21 SWA1694 PHL → MDW Jul 21, 21:15 UTCJul 21, 23:05 UTC1h 50m
2026-07-21 SWA4233 PDX → SJC Jul 21, 18:50 UTCJul 21, 20:05 UTC1h 15m
2026-07-21 SWA406 DAL → LAS Jul 21, 15:35 UTCJul 21, 17:55 UTC2h 20m
2026-07-21 SWA406 DAL → LAS Jul 21, 15:30 UTCJul 21, 17:49 UTC2h 19m

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 N570WN page for operator, model, and routing details .

Mode-S A7506A frequently asked

What is Mode-S code A7506A?
A7506A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N570WN.
Where is Mode-S A7506A registered?
Mode-S code A7506A 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 A7506A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7506A, octal 51650152, decimal 10,965,098.
What flights does A7506A operate?
Mode-S A7506A has broadcast 20 distinct callsigns, including SWA2223, SWA264, SWA779, SWA586, SWA1771.