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sensors Mode-S transponder

AAA68A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N7858A · BOEING 737-700 · operated by SOUTHWEST AIRLINES CO

Hex
AAA68A
Octal
52523212
Decimal
11,183,754
Country
US
Tail
N7858A
Type
B737
Broadcasting now · callsign SWA2375 · 40,000 ft
Flights observed
692
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

AAA68A is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AAA68A 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
SWA500 Southwest Airlines 13 2026-06-04
SWA1688 Southwest Airlines 11 2026-05-22
SWA2051 - 7 2026-07-07
SWA250 - 6 2026-07-13
SWA747 - 5 2026-06-20
SWA543 Southwest Airlines 5 2026-05-21
SWA3755 Southwest Airlines 5 2026-05-21
SWA2418 - 5 2026-06-23
SWA2098 Southwest Airlines 5 2026-05-23
SWA1533 Southwest Airlines 5 2026-06-03
SWA1271 Southwest Airlines 5 2026-04-17
SWA1269 Southwest Airlines 5 2026-05-12
SWA836 - 4 2026-07-10
SWA792 - 4 2026-04-13
SWA579 - 4 2026-06-21
SWA4333 - 4 2026-07-14
SWA3419 Southwest Airlines 4 2026-05-15
SWA2997 Southwest Airlines 4 2026-05-21
SWA2780 Southwest Airlines 4 2026-05-17
SWA2644 Southwest Airlines 4 2026-05-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWA2375 - Jul 14, 20:15 UTCJul 14, 20:30 UTC15m
2026-07-14 SWA2109 - Jul 14, 16:40 UTCJul 14, 19:05 UTC2h 25m
2026-07-14 SWA4531 - Jul 14, 13:05 UTCJul 14, 14:45 UTC1h 40m
2026-07-14 SWA1349 - Jul 14, 10:40 UTCJul 14, 11:40 UTC1h 0m
2026-07-14 SWA2073 DEN → SAT Jul 14, 03:45 UTCJul 14, 05:30 UTC1h 45m
2026-07-14 SWA4333 - Jul 14, 01:30 UTCJul 14, 02:45 UTC1h 15m
2026-07-14 SWA4333 TUL → DEN Jul 14, 01:26 UTCJul 14, 02:40 UTC1h 15m
2026-07-14 SWA4333 - Jul 14, 00:05 UTCJul 14, 00:45 UTC40m
2026-07-13 SWA4333 - Jul 13, 21:25 UTCJul 13, 22:25 UTC1h 0m
2026-07-13 SWA250 - Jul 13, 19:10 UTCJul 13, 20:05 UTC55m
2026-07-13 SWA250 - Jul 13, 16:45 UTCJul 13, 17:30 UTC45m
2026-07-13 SWA4743 - Jul 13, 15:10 UTCJul 13, 15:50 UTC40m
2026-07-13 SWA4743 HOU → HRL Jul 13, 15:07 UTCJul 13, 15:51 UTC44m
2026-07-13 SWA4497 - Jul 13, 11:55 UTCJul 13, 14:10 UTC2h 15m
2026-07-13 SWA4497 MDW → HOU Jul 13, 11:54 UTCJul 13, 14:09 UTC2h 15m
2026-07-13 SWA1614 DEN → MDW Jul 13, 01:15 UTCJul 13, 03:15 UTC2h 0m
2026-07-12 SWA2424 BUR → DEN Jul 12, 21:50 UTCJul 12, 23:50 UTC2h 0m
2026-07-12 SWA2424 BUR → DEN Jul 12, 21:49 UTCJul 12, 23:44 UTC1h 56m
2026-07-12 SWA3306 STL → BUR Jul 12, 17:25 UTCJul 12, 20:45 UTC3h 20m
2026-07-12 SWA3306 STL → BUR Jul 12, 17:23 UTCJul 12, 20:44 UTC3h 21m
2026-07-12 SWA2368 LAS → STL Jul 12, 13:40 UTCJul 12, 16:35 UTC2h 55m
2026-07-12 SWA549 - Jul 12, 03:15 UTCJul 12, 06:35 UTC3h 20m
2026-07-12 SWA384 - Jul 12, 01:10 UTCJul 12, 02:10 UTC1h 0m
2026-07-11 SWA4007 - Jul 11, 23:55 UTCJul 12, 00:35 UTC40m
2026-07-11 SWA1257 - Jul 11, 20:35 UTCJul 11, 21:30 UTC55m
2026-07-11 SWA1257 MDW → BNA Jul 11, 20:31 UTCJul 11, 21:29 UTC58m
2026-07-11 SWA2572 - Jul 11, 18:30 UTCJul 11, 19:30 UTC1h 0m
2026-07-11 SWA2572 - Jul 11, 16:15 UTCJul 11, 17:25 UTC1h 10m
2026-07-11 SWA1340 EUG → DEN Jul 11, 12:20 UTCJul 11, 14:20 UTC2h 0m
2026-07-11 SWA291 SMF → EUG Jul 11, 03:50 UTCJul 11, 04:45 UTC55m
2026-07-11 SWA717 - Jul 11, 01:45 UTCJul 11, 02:55 UTC1h 10m
2026-07-10 SWA776 - Jul 10, 23:35 UTCJul 11, 01:00 UTC1h 25m
2026-07-10 SWA4931 SJC → BUR Jul 10, 21:55 UTCJul 10, 22:40 UTC45m
2026-07-10 SWA836 BUR → SJC Jul 10, 20:20 UTCJul 10, 21:10 UTC50m
2026-07-10 SWA836 BUR → SJC Jul 10, 20:16 UTCJul 10, 21:04 UTC48m
2026-07-10 SWA3635 - Jul 10, 18:25 UTCJul 10, 19:15 UTC50m
2026-07-10 SWA3635 SFO → BUR Jul 10, 18:20 UTCJul 10, 19:12 UTC52m
2026-07-10 SWA4363 AUS → SFO Jul 10, 13:15 UTCJul 10, 16:30 UTC3h 15m
2026-07-10 SWA4363 AUS → SFO Jul 10, 13:11 UTCJul 10, 16:19 UTC3h 8m
2026-07-10 SWA4363 ATL → AUS Jul 10, 10:10 UTCJul 10, 11:55 UTC1h 45m
2026-07-09 SWA3232 PHX → ATL Jul 9, 21:25 UTCJul 10, 00:45 UTC3h 20m
2026-07-09 SWA1680 DEN → PHX Jul 9, 18:50 UTCJul 9, 20:15 UTC1h 25m
2026-07-09 SWA1680 AUS → DEN Jul 9, 15:55 UTCJul 9, 17:45 UTC1h 50m
2026-07-09 SWA3884 STL → AUS Jul 9, 13:15 UTCJul 9, 14:45 UTC1h 30m
2026-07-09 SWA1783 - Jul 9, 11:00 UTCJul 9, 12:05 UTC1h 5m
2026-07-09 SWA4213 STL → DTW Jul 9, 02:15 UTCJul 9, 03:20 UTC1h 5m
2026-07-08 SWA4213 DEN → STL Jul 8, 23:40 UTCJul 9, 01:25 UTC1h 45m
2026-07-08 SWA2631 MCO → DEN Jul 8, 18:00 UTCJul 8, 21:40 UTC3h 40m
2026-07-08 SWA617 - Jul 8, 13:00 UTCJul 8, 13:50 UTC50m
2026-07-08 SWA617 NAS → MCO Jul 8, 12:50 UTCJul 8, 13:44 UTC55m

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 N7858A page for operator, model, and routing details .

Mode-S AAA68A frequently asked

What is Mode-S code AAA68A?
AAA68A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N7858A.
Where is Mode-S AAA68A registered?
Mode-S code AAA68A 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 AAA68A broadcasting right now?
Yes. Mode-S AAA68A is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AAA68A, octal 52523212, decimal 11,183,754.
What flights does AAA68A operate?
Mode-S AAA68A has broadcast 20 distinct callsigns, including SWA500, SWA1688, SWA2051, SWA250, SWA747.