Apparatus

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sensors Mode-S transponder

AA6FCA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N7715E · BOEING 737-700 · operated by SOUTHWEST AIRLINES CO

Hex
AA6FCA
Octal
52467712
Decimal
11,169,738
Country
US
Tail
N7715E
Type
B737
No current signal · last broadcast 1h ago
Flights observed
694
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S AA6FCA.

Country allocation

The ICAO 24-bit address AA6FCA 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
SWA470 Southwest Airlines 8 2026-04-16
SWA267 Southwest Airlines 8 2026-05-10
SWA2644 Southwest Airlines 7 2026-05-21
SWA1921 Southwest Airlines 7 2026-05-11
SWA853 - 6 2026-07-09
SWA3016 Southwest Airlines 6 2026-05-12
SWA1768 - 6 2026-07-07
SWA3871 Southwest Airlines 5 2026-05-21
SWA311 - 5 2026-06-18
SWA3102 Southwest Airlines 5 2026-05-07
SWA2329 Southwest Airlines 5 2026-04-21
SWA1375 Southwest Airlines 5 2026-05-18
SWA1341 Southwest Airlines 5 2026-06-14
SWA576 Southwest Airlines 4 2026-05-04
SWA554 - 4 2026-06-30
SWA467 - 4 2026-06-29
SWA416 Southwest Airlines 4 2026-05-01
SWA3785 - 4 2026-06-28
SWA3743 - 4 2026-07-01
SWA3563 - 4 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWA3210 PDX → SJC Jul 14, 00:30 UTCJul 14, 02:05 UTC1h 35m
2026-07-13 SWA2433 - Jul 13, 22:10 UTCJul 13, 23:25 UTC1h 15m
2026-07-13 SWA2433 MDW → LAX Jul 13, 22:08 UTCJul 13, 23:24 UTC1h 17m
2026-07-13 SWA2433 LAX → SJC Jul 13, 20:10 UTCJul 13, 20:55 UTC45m
2026-07-13 SWA2433 - Jul 13, 15:20 UTCJul 13, 18:45 UTC3h 25m
2026-07-13 SWA4202 PHL → MDW Jul 13, 12:20 UTCJul 13, 13:55 UTC1h 35m
2026-07-13 SWA3966 - Jul 13, 01:45 UTCJul 13, 03:30 UTC1h 45m
2026-07-12 SWA2864 - Jul 12, 23:40 UTCJul 13, 00:45 UTC1h 5m
2026-07-12 SWA333 - Jul 12, 21:35 UTCJul 12, 22:40 UTC1h 5m
2026-07-12 SWA333 BNA → CLE Jul 12, 21:36 UTCJul 12, 22:36 UTC1h 0m
2026-07-12 SWA4636 - Jul 12, 19:15 UTCJul 12, 20:25 UTC1h 10m
2026-07-12 SWA2176 - Jul 12, 17:25 UTCJul 12, 18:25 UTC1h 0m
2026-07-12 SWA1093 SAV → BNA Jul 12, 15:10 UTCJul 12, 16:13 UTC1h 3m
2026-07-12 SWA1093 SAV → BNA Jul 12, 15:10 UTCJul 12, 16:15 UTC1h 5m
2026-07-12 SWA1093 BWI → SAV Jul 12, 12:45 UTCJul 12, 14:05 UTC1h 20m
2026-07-12 SWA3422 RDU → BWI Jul 12, 10:15 UTCJul 12, 11:05 UTC50m
2026-07-12 SWA1066 - Jul 12, 00:05 UTCJul 12, 01:25 UTC1h 20m
2026-07-12 SWA1066 MDW → RDU Jul 12, 00:03 UTCJul 12, 01:26 UTC1h 23m
2026-07-11 SWA3642 - Jul 11, 20:40 UTCJul 11, 22:55 UTC2h 15m
2026-07-11 SWA2937 - Jul 11, 18:15 UTCJul 11, 19:15 UTC1h 0m
2026-07-11 SWA2937 BWI → PWM Jul 11, 18:11 UTCJul 11, 19:17 UTC1h 6m
2026-07-11 SWA2937 - Jul 11, 15:20 UTCJul 11, 16:50 UTC1h 30m
2026-07-11 SWA2937 - Jul 11, 13:20 UTCJul 11, 14:35 UTC1h 15m
2026-07-11 SWA1425 DCA → BNA Jul 11, 10:15 UTCJul 11, 11:50 UTC1h 35m
2026-07-11 SWA1425 DCA → BNA Jul 11, 10:11 UTCJul 11, 11:46 UTC1h 35m
2026-07-11 SWA4990 ATL → DCA Jul 11, 01:40 UTCJul 11, 03:05 UTC1h 25m
2026-07-11 SWA4990 ATL → DCA Jul 11, 01:39 UTCJul 11, 03:13 UTC1h 34m
2026-07-10 SWA4433 - Jul 10, 22:55 UTCJul 11, 00:20 UTC1h 25m
2026-07-10 SWA4433 BWI → ATL Jul 10, 22:53 UTCJul 11, 00:15 UTC1h 22m
2026-07-10 SWA941 - Jul 10, 19:30 UTCJul 10, 21:40 UTC2h 10m
2026-07-10 SWA684 BNA → TPA Jul 10, 17:05 UTCJul 10, 18:30 UTC1h 25m
2026-07-10 SWA684 - Jul 10, 14:55 UTCJul 10, 16:05 UTC1h 10m
2026-07-10 SWA684 - Jul 10, 12:30 UTCJul 10, 13:55 UTC1h 25m
2026-07-09 SWA353 AUS → MCO Jul 9, 23:50 UTCJul 10, 02:00 UTC2h 10m
2026-07-09 SWA1478 DEN → AUS Jul 9, 21:15 UTCJul 9, 22:55 UTC1h 40m
2026-07-09 SWA1478 SLC → DEN Jul 9, 18:45 UTCJul 9, 20:10 UTC1h 25m
2026-07-09 SWA4027 DEN → SLC Jul 9, 16:30 UTCJul 9, 17:35 UTC1h 5m
2026-07-09 SWA1333 - Jul 9, 13:10 UTCJul 9, 14:55 UTC1h 45m
2026-07-09 SWA2805 - Jul 9, 04:05 UTCJul 9, 05:30 UTC1h 25m
2026-07-09 SWA2805 SMF → GEG Jul 9, 04:03 UTCJul 9, 05:35 UTC1h 32m
2026-07-09 SWA853 BUR → SMF Jul 9, 02:15 UTCJul 9, 03:10 UTC55m
2026-07-09 SWA4977 - Jul 9, 00:45 UTCJul 9, 01:35 UTC50m
2026-07-08 SWA805 BUR → OAK Jul 8, 23:05 UTCJul 9, 00:00 UTC55m
2026-07-08 SWA3638 - Jul 8, 21:25 UTCJul 8, 22:15 UTC50m
2026-07-08 SWA3638 SFO → BUR Jul 8, 21:21 UTCJul 8, 22:10 UTC49m
2026-07-08 SWA1546 - Jul 8, 16:00 UTCJul 8, 20:05 UTC4h 5m
2026-07-08 SWA1471 - Jul 8, 13:25 UTCJul 8, 14:10 UTC45m
2026-07-08 SWA4522 - Jul 8, 01:15 UTCJul 8, 01:55 UTC40m
2026-07-08 SWA4522 BNA → CVG Jul 8, 01:11 UTCJul 8, 01:53 UTC43m
2026-07-07 SWA1768 - Jul 7, 23:10 UTCJul 7, 23:45 UTC35m

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 N7715E page for operator, model, and routing details .

Mode-S AA6FCA frequently asked

What is Mode-S code AA6FCA?
AA6FCA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N7715E.
Where is Mode-S AA6FCA registered?
Mode-S code AA6FCA 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 AA6FCA broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA6FCA, octal 52467712, decimal 11,169,738.
What flights does AA6FCA operate?
Mode-S AA6FCA has broadcast 20 distinct callsigns, including SWA470, SWA267, SWA2644, SWA1921, SWA853.