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sensors Mode-S transponder

AC2813

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8823Q · BOEING 737 MAX 8 · operated by SOUTHWEST AIRLINES CO

Hex
AC2813
Octal
53024023
Decimal
11,282,451
Country
US
Tail
N8823Q
Type
B38M
No current signal · last broadcast 1h ago
Flights observed
676
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S AC2813.

Country allocation

The ICAO 24-bit address AC2813 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
SWA1039 Southwest Airlines 5 2026-05-20
SWA687 Southwest Airlines 4 2026-05-21
SWA4647 - 4 2026-04-13
SWA4470 - 4 2026-07-10
SWA3475 Southwest Airlines 4 2026-04-28
SWA345 Southwest Airlines 4 2026-05-20
SWA2392 Southwest Airlines 4 2026-05-16
SWA1746 Southwest Airlines 4 2026-04-27
SWA1086 - 4 2026-07-01
SWA955 - 3 2026-07-13
SWA899 - 3 2026-07-11
SWA892 Southwest Airlines 3 2026-05-18
SWA857 Southwest Airlines 3 2026-05-05
SWA738 Southwest Airlines 3 2026-04-17
SWA4891 Southwest Airlines 3 2026-06-11
SWA485 - 3 2026-07-12
SWA4531 Southwest Airlines 3 2026-06-11
SWA444 Southwest Airlines 3 2026-04-16
SWA434 Southwest Airlines 3 2026-05-08
SWA426 Southwest Airlines 3 2026-05-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWA4669 - Jul 14, 00:10 UTCJul 14, 02:45 UTC2h 35m
2026-07-13 SWA1124 - Jul 13, 20:40 UTCJul 13, 22:55 UTC2h 15m
2026-07-13 SWA4542 - Jul 13, 15:30 UTCJul 13, 19:10 UTC3h 40m
2026-07-13 SWA4933 SJC → LGB Jul 13, 13:30 UTCJul 13, 14:30 UTC1h 0m
2026-07-13 SWA3222 - Jul 13, 06:50 UTCJul 13, 07:35 UTC45m
2026-07-13 SWA955 PHX → LAX Jul 13, 04:51 UTCJul 13, 05:46 UTC55m
2026-07-13 SWA955 - Jul 13, 04:55 UTCJul 13, 05:50 UTC55m
2026-07-12 SWA955 RDU → PHX Jul 12, 23:20 UTCJul 13, 03:30 UTC4h 10m
2026-07-12 SWA3686 DAL → RDU Jul 12, 19:40 UTCJul 12, 22:05 UTC2h 25m
2026-07-12 SWA3686 - Jul 12, 17:20 UTCJul 12, 18:35 UTC1h 15m
2026-07-12 SWA485 - Jul 12, 14:30 UTCJul 12, 15:30 UTC1h 0m
2026-07-12 SWA485 DAL → ELP Jul 12, 14:26 UTCJul 12, 15:41 UTC1h 15m
2026-07-12 SWA485 BNA → DAL Jul 12, 11:50 UTCJul 12, 13:15 UTC1h 25m
2026-07-12 SWA1130 SEA → BNA Jul 12, 06:10 UTCJul 12, 09:50 UTC3h 40m
2026-07-12 SWA1130 SEA → BNA Jul 12, 06:10 UTCJul 12, 09:51 UTC3h 41m
2026-07-12 SWA933 AUS → SEA Jul 12, 00:05 UTCJul 12, 03:45 UTC3h 40m
2026-07-11 SWA899 - Jul 11, 20:40 UTCJul 11, 22:50 UTC2h 10m
2026-07-11 SWA899 - Jul 11, 18:10 UTCJul 11, 19:25 UTC1h 15m
2026-07-11 SWA899 - Jul 11, 12:20 UTCJul 11, 16:55 UTC4h 35m
2026-07-11 SWA3364 - Jul 11, 04:20 UTCJul 11, 08:15 UTC3h 55m
2026-07-11 SWA4073 - Jul 11, 00:25 UTCJul 11, 01:35 UTC1h 10m
2026-07-10 SWA1053 - Jul 10, 20:40 UTCJul 10, 22:20 UTC1h 40m
2026-07-10 SWA211 - Jul 10, 18:20 UTCJul 10, 19:40 UTC1h 20m
2026-07-10 SWA4252 - Jul 10, 14:10 UTCJul 10, 17:10 UTC3h 0m
2026-07-10 SWA2594 MCO → AUS Jul 10, 10:50 UTCJul 10, 13:00 UTC2h 10m
2026-07-10 SWA2594 MCO → AUS Jul 10, 10:50 UTCJul 10, 12:58 UTC2h 8m
2026-07-10 SWA284 - Jul 10, 03:55 UTCJul 10, 06:25 UTC2h 30m
2026-07-10 SWA284 PVD → MCO Jul 10, 03:52 UTCJul 10, 06:19 UTC2h 27m
2026-07-10 SWA284 - Jul 10, 02:10 UTCJul 10, 03:05 UTC55m
2026-07-10 SWA4470 ORF → DCA Jul 10, 00:15 UTCJul 10, 00:50 UTC35m
2026-07-09 SWA4470 - Jul 9, 17:45 UTCJul 9, 20:20 UTC2h 35m
2026-07-09 SWA4470 - Jul 9, 14:40 UTCJul 9, 16:50 UTC2h 10m
2026-07-09 SWA4470 - Jul 9, 11:40 UTCJul 9, 13:20 UTC1h 40m
2026-07-09 SWA2194 - Jul 9, 05:30 UTCJul 9, 06:50 UTC1h 20m
2026-07-09 SWA2194 LAS → BOI Jul 9, 05:30 UTCJul 9, 06:45 UTC1h 15m
2026-07-09 SWA2844 - Jul 9, 01:55 UTCJul 9, 04:20 UTC2h 25m
2026-07-08 SWA2844 - Jul 8, 23:45 UTCJul 9, 00:50 UTC1h 5m
2026-07-08 SWA2971 MSP → MDW Jul 8, 21:20 UTCJul 8, 22:30 UTC1h 10m
2026-07-08 SWA2971 MSP → MDW Jul 8, 21:15 UTCJul 8, 22:28 UTC1h 14m
2026-07-08 SWA2178 - Jul 8, 17:45 UTCJul 8, 19:45 UTC2h 0m
2026-07-08 SWA1498 DEN → BWI Jul 8, 13:40 UTCJul 8, 16:40 UTC3h 0m
2026-07-08 SWA3111 OKC → DEN Jul 8, 11:05 UTCJul 8, 12:15 UTC1h 10m
2026-07-08 SWA4641 - Jul 8, 04:00 UTCJul 8, 05:00 UTC1h 0m
2026-07-08 SWA534 - Jul 8, 00:20 UTCJul 8, 02:15 UTC1h 55m
2026-07-07 SWA1145 - Jul 7, 21:35 UTCJul 7, 23:00 UTC1h 25m
2026-07-07 SWA4570 - Jul 7, 17:05 UTCJul 7, 20:05 UTC3h 0m
2026-07-07 SWA4886 DEN → LGA Jul 7, 12:30 UTCJul 7, 15:45 UTC3h 15m
2026-07-07 SWA1975 - Jul 7, 05:15 UTCJul 7, 07:15 UTC2h 0m
2026-07-07 SWA1975 HOU → DEN Jul 7, 05:13 UTCJul 7, 07:09 UTC1h 56m
2026-07-07 SWA4662 - Jul 7, 03:10 UTCJul 7, 04:00 UTC50m

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 N8823Q page for operator, model, and routing details .

Mode-S AC2813 frequently asked

What is Mode-S code AC2813?
AC2813 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8823Q.
Where is Mode-S AC2813 registered?
Mode-S code AC2813 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 AC2813 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 AC2813, octal 53024023, decimal 11,282,451.
What flights does AC2813 operate?
Mode-S AC2813 has broadcast 20 distinct callsigns, including SWA1039, SWA687, SWA4647, SWA4470, SWA3475.