Apparatus

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sensors Mode-S transponder

AC3030

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8848Q · BOEING 737 MAX 8 · operated by SOUTHWEST AIRLINES CO

Hex
AC3030
Octal
53030060
Decimal
11,284,528
Country
US
Tail
N8848Q
Type
B38M
No current signal · last broadcast 4h ago
Flights observed
648
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S AC3030.

Country allocation

The ICAO 24-bit address AC3030 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
SWA1797 Southwest Airlines 11 2026-06-03
SWA1790 - 7 2026-06-29
SWA2926 Southwest Airlines 5 2026-05-03
SWA2253 Southwest Airlines 5 2026-05-25
SWA578 - 4 2026-06-29
SWA3471 Southwest Airlines 4 2026-05-28
SWA3332 - 4 2026-04-15
SWA3103 Southwest Airlines 4 2026-06-03
SWA2629 Southwest Airlines 4 2026-05-30
SWA1768 - 4 2026-06-29
SWA1748 Southwest Airlines 4 2026-05-22
SWA1514 - 4 2026-06-27
SWA1318 Southwest Airlines 4 2026-06-09
SWA572 - 3 2026-06-30
SWA555 - 3 2026-07-10
SWA505 Southwest Airlines 3 2026-05-29
SWA4179 Southwest Airlines 3 2026-05-19
SWA4055 Southwest Airlines 3 2026-05-15
SWA3761 Southwest Airlines 3 2026-05-14
SWA3383 Southwest Airlines 3 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SWA2975 - Jul 13, 22:25 UTCJul 14, 00:10 UTC1h 45m
2026-07-13 SWA2975 RNO → DEN Jul 13, 22:23 UTCJul 14, 00:10 UTC1h 47m
2026-07-13 SWA2975 - Jul 13, 20:30 UTCJul 13, 21:20 UTC50m
2026-07-13 SWA1327 - Jul 13, 16:45 UTCJul 13, 19:20 UTC2h 35m
2026-07-13 SWA1327 DAL → LAX Jul 13, 16:45 UTCJul 13, 19:15 UTC2h 30m
2026-07-13 SWA1327 TPA → DAL Jul 13, 13:20 UTCJul 13, 15:40 UTC2h 20m
2026-07-13 SWA3985 STL → TPA Jul 13, 10:05 UTCJul 13, 12:00 UTC1h 55m
2026-07-13 SWA1397 LAS → STL Jul 13, 02:01 UTCJul 13, 04:50 UTC2h 50m
2026-07-12 SWA2419 STL → LAS Jul 12, 16:15 UTCJul 12, 19:05 UTC2h 50m
2026-07-12 SWA2419 STL → LAS Jul 12, 16:11 UTCJul 12, 19:02 UTC2h 51m
2026-07-12 SWA993 - Jul 12, 12:50 UTCJul 12, 14:35 UTC1h 45m
2026-07-12 SWA1352 - Jul 12, 09:15 UTCJul 12, 11:25 UTC2h 10m
2026-07-12 SWA1352 MIA → HOU Jul 12, 09:14 UTCJul 12, 11:26 UTC2h 13m
2026-07-12 SWA4859 - Jul 12, 01:25 UTCJul 12, 03:40 UTC2h 15m
2026-07-11 SWA127 - Jul 11, 22:40 UTCJul 12, 00:30 UTC1h 50m
2026-07-11 SWA4881 AUS → ABQ Jul 11, 20:10 UTCJul 11, 21:35 UTC1h 25m
2026-07-11 SWA2406 - Jul 11, 16:35 UTCJul 11, 19:00 UTC2h 25m
2026-07-11 SWA2406 - Jul 11, 14:00 UTCJul 11, 15:30 UTC1h 30m
2026-07-11 SWA2900 - Jul 11, 11:40 UTCJul 11, 12:50 UTC1h 10m
2026-07-10 SWA1870 FLL → MDW Jul 10, 22:45 UTCJul 11, 01:20 UTC2h 35m
2026-07-10 SWA4022 TPA → FLL Jul 10, 20:50 UTCJul 10, 21:40 UTC50m
2026-07-10 SWA3560 DEN → TPA Jul 10, 16:25 UTCJul 10, 19:25 UTC3h 0m
2026-07-10 SWA3773 SMF → DEN Jul 10, 13:15 UTCJul 10, 15:05 UTC1h 50m
2026-07-10 SWA636 SEA → SMF Jul 10, 05:20 UTCJul 10, 06:45 UTC1h 25m
2026-07-10 SWA636 SEA → SMF Jul 10, 05:20 UTCJul 10, 06:41 UTC1h 21m
2026-07-10 SWA555 SMF → SEA Jul 10, 02:35 UTCJul 10, 04:00 UTC1h 25m
2026-07-10 SWA555 SMF → SEA Jul 10, 02:33 UTCJul 10, 03:55 UTC1h 23m
2026-07-09 SWA2018 - Jul 9, 23:10 UTCJul 10, 00:35 UTC1h 25m
2026-07-09 SWA3006 - Jul 9, 18:15 UTCJul 9, 19:20 UTC1h 5m
2026-07-09 SWA3006 HOU → SJD Jul 9, 18:10 UTCJul 9, 20:23 UTC2h 13m
2026-07-09 SWA934 - Jul 9, 15:00 UTCJul 9, 15:50 UTC50m
2026-07-09 SWA934 TPA → MSY Jul 9, 12:05 UTCJul 9, 13:20 UTC1h 15m
2026-07-09 SWA1190 - Jul 9, 02:00 UTCJul 9, 04:10 UTC2h 10m
2026-07-09 SWA1190 MDW → TPA Jul 9, 01:55 UTCJul 9, 04:05 UTC2h 10m
2026-07-08 SWA3911 BOS → MDW Jul 8, 21:50 UTCJul 8, 23:55 UTC2h 5m
2026-07-08 SWA3892 STL → BOS Jul 8, 18:30 UTCJul 8, 20:45 UTC2h 15m
2026-07-08 SWA2902 - Jul 8, 17:00 UTCJul 8, 17:40 UTC40m
2026-07-08 SWA2902 - Jul 8, 13:40 UTCJul 8, 15:40 UTC2h 0m
2026-07-08 SWA4645 - Jul 8, 10:10 UTCJul 8, 12:05 UTC1h 55m
2026-07-08 SWA1316 - Jul 8, 02:30 UTCJul 8, 04:15 UTC1h 45m
2026-07-08 SWA1316 AUS → DAL Jul 8, 00:50 UTCJul 8, 01:35 UTC45m
2026-07-07 SWA3633 - Jul 7, 20:35 UTCJul 7, 23:35 UTC3h 0m
2026-07-07 SWA2674 AUS → SFO Jul 7, 15:50 UTCJul 7, 19:10 UTC3h 20m
2026-07-07 SWA4683 ABQ → AUS Jul 7, 12:20 UTCJul 7, 13:40 UTC1h 20m
2026-07-07 SWA3485 PHX → ABQ Jul 7, 06:10 UTCJul 7, 06:55 UTC45m
2026-07-07 SWA642 - Jul 7, 02:05 UTCJul 7, 05:10 UTC3h 5m
2026-07-06 SWA4711 - Jul 6, 23:15 UTCJul 7, 00:00 UTC45m
2026-07-06 SWA4711 MCO → BNA Jul 6, 23:15 UTCJul 7, 00:40 UTC1h 25m
2026-07-06 SWA4714 - Jul 6, 18:35 UTCJul 6, 20:05 UTC1h 30m
2026-07-06 SWA4713 MCO → BNA Jul 6, 15:35 UTCJul 6, 17:15 UTC1h 40m

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 N8848Q page for operator, model, and routing details .

Mode-S AC3030 frequently asked

What is Mode-S code AC3030?
AC3030 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8848Q.
Where is Mode-S AC3030 registered?
Mode-S code AC3030 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 AC3030 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC3030, octal 53030060, decimal 11,284,528.
What flights does AC3030 operate?
Mode-S AC3030 has broadcast 20 distinct callsigns, including SWA1797, SWA1790, SWA2926, SWA2253, SWA578.