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sensors Mode-S transponder

AC20E7

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8805L · BOEING 737 MAX 8 · operated by SOUTHWEST AIRLINES CO

Hex
AC20E7
Octal
53020347
Decimal
11,280,615
Country
US
Tail
N8805L
Type
B38M
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
656
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S AC20E7.

Country allocation

The ICAO 24-bit address AC20E7 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
SWA652 - 5 2026-07-11
SWA4470 - 5 2026-06-21
SWA978 Southwest Airlines 4 2026-07-08
SWA4412 - 4 2026-04-13
SWA4384 Southwest Airlines 4 2026-06-02
SWA3573 Southwest Airlines 4 2026-04-16
SWA1538 Southwest Airlines 4 2026-05-22
SWA1257 Southwest Airlines 4 2026-05-25
SWA862 Southwest Airlines 3 2026-05-21
SWA800 Southwest Airlines 3 2026-04-14
SWA4628 Southwest Airlines 3 2026-05-30
SWA4557 Southwest Airlines 3 2026-06-07
SWA4532 Southwest Airlines 3 2026-04-17
SWA4322 Southwest Airlines 3 2026-07-24
SWA4177 Southwest Airlines 3 2026-06-06
SWA4139 Southwest Airlines 3 2026-05-04
SWA4133 Southwest Airlines 3 2026-06-01
SWA3919 Southwest Airlines 3 2026-04-27
SWA3887 Southwest Airlines 3 2026-06-09
SWA3761 Southwest Airlines 3 2026-04-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SWA3184 MDW → MSY Jul 26, 20:50 UTCJul 26, 21:45 UTC55m
2026-07-26 SWA1553 BNA → BOS Jul 26, 17:35 UTCJul 26, 17:45 UTC10m
2026-07-26 SWA1553 BNA → BOS Jul 26, 17:32 UTCJul 26, 19:31 UTC1h 59m
2026-07-26 SWA971 SJC → PDX Jul 26, 15:00 UTCJul 26, 16:15 UTC1h 15m
2026-07-26 SWA971 SJC → PDX Jul 26, 13:15 UTCJul 26, 14:00 UTC45m
2026-07-25 SWA3772 LAS → SLC Jul 25, 22:20 UTCJul 26, 01:20 UTC3h 0m
2026-07-25 SWA1741 PHX → ONT Jul 25, 19:20 UTCJul 25, 21:15 UTC1h 55m
2026-07-25 SWA1741 PHX → ONT Jul 25, 19:15 UTCJul 25, 21:11 UTC1h 56m
2026-07-25 SWA1131 LAS → SJC Jul 25, 16:34 UTCJul 25, 17:44 UTC1h 10m
2026-07-25 SWA826 DEN → RDU Jul 25, 14:15 UTCJul 25, 14:55 UTC40m
2026-07-25 SWA3158 SJC → SNA Jul 25, 10:30 UTCJul 25, 12:45 UTC2h 15m
2026-07-25 SWA3231 CVG → MDW Jul 25, 02:30 UTCJul 25, 05:30 UTC3h 0m
2026-07-25 SWA4514 BUR → SJC Jul 25, 00:25 UTCJul 25, 01:25 UTC1h 0m
2026-07-24 SWA3712 BWI → CHS Jul 24, 22:35 UTCJul 24, 23:35 UTC1h 0m
2026-07-24 SWA3712 BWI → CHS Jul 24, 22:34 UTCJul 24, 23:35 UTC1h 1m
2026-07-24 SWA286 SLC → OAK Jul 24, 20:20 UTCJul 24, 21:50 UTC1h 30m
2026-07-24 SWA286 SLC → OAK Jul 24, 20:15 UTCJul 24, 21:44 UTC1h 29m
2026-07-24 SWA4322 MCO → MSY Jul 24, 17:50 UTCJul 24, 19:15 UTC1h 25m
2026-07-24 SWA4322 MCO → MSY Jul 24, 17:48 UTCJul 24, 19:09 UTC1h 21m
2026-07-24 SWA4322 MCO → MSY Jul 24, 11:35 UTCJul 24, 16:25 UTC4h 50m
2026-07-24 SWA4657 LGA → HOU Jul 24, 09:10 UTCJul 24, 10:25 UTC1h 15m
2026-07-24 SWA4250 SEA → BWI Jul 24, 00:30 UTCJul 24, 02:10 UTC1h 40m
2026-07-24 SWA4250 SEA → BWI Jul 24, 00:26 UTCJul 24, 02:05 UTC1h 39m
2026-07-23 SWA2717 DAL → SAN Jul 23, 21:30 UTCJul 23, 22:45 UTC1h 15m
2026-07-23 SWA2717 DAL → SAN Jul 23, 21:24 UTCJul 23, 22:45 UTC1h 21m
2026-07-23 SWA2717 DAL → SAN Jul 23, 18:05 UTCJul 23, 20:15 UTC2h 10m
2026-07-23 SWA3723 SEA → OAK Jul 23, 14:10 UTCJul 23, 16:40 UTC2h 30m
2026-07-23 SWA2691 SYR → BWI Jul 23, 12:40 UTCJul 23, 12:55 UTC15m
2026-07-23 SWA2691 SYR → BWI Jul 23, 10:25 UTCJul 23, 11:05 UTC40m
2026-07-23 SWA2691 SYR → BWI Jul 23, 10:25 UTCJul 23, 12:53 UTC2h 28m
2026-07-23 SWA8504 BWI → BUF Jul 23, 05:00 UTCJul 23, 06:05 UTC1h 5m
2026-07-13 SWA8506 - Jul 13, 05:45 UTCJul 13, 06:25 UTC40m
2026-07-13 SWA2206 - Jul 13, 00:40 UTCJul 13, 04:50 UTC4h 10m
2026-07-12 SWA2206 PHX → LAS Jul 12, 22:15 UTCJul 12, 23:00 UTC45m
2026-07-12 SWA2017 SMF → PHX Jul 12, 14:05 UTCJul 12, 20:25 UTC6h 20m
2026-07-12 SWA1435 LAS → SMF Jul 12, 03:30 UTCJul 12, 04:35 UTC1h 5m
2026-07-12 SWA1435 LAS → SMF Jul 12, 03:28 UTCJul 12, 04:33 UTC1h 5m
2026-07-11 SWA652 - Jul 11, 16:50 UTCJul 11, 19:55 UTC3h 5m
2026-07-11 SWA652 HOU → LAS Jul 11, 16:47 UTCJul 11, 19:46 UTC2h 59m
2026-07-10 SWA5065 - Jul 10, 23:40 UTCJul 11, 01:15 UTC1h 35m
2026-07-10 SWA5065 STL → HOU Jul 10, 23:40 UTCJul 11, 01:16 UTC1h 36m
2026-07-10 SWA5064 - Jul 10, 21:20 UTCJul 10, 22:55 UTC1h 35m
2026-07-10 SWA5064 HOU → STL Jul 10, 21:16 UTCJul 10, 22:56 UTC1h 41m
2026-07-10 SWA5055 - Jul 10, 17:30 UTCJul 10, 19:25 UTC1h 55m
2026-07-10 SWA5068 - Jul 10, 14:35 UTCJul 10, 16:05 UTC1h 30m
2026-07-10 SWA954 - Jul 10, 03:35 UTCJul 10, 05:50 UTC2h 15m
2026-07-09 SWA4217 - Jul 9, 14:50 UTCJul 9, 16:20 UTC1h 30m
2026-07-09 SWA396 - Jul 9, 10:35 UTCJul 9, 12:55 UTC2h 20m
2026-07-09 SWA1898 - Jul 9, 00:05 UTCJul 9, 02:25 UTC2h 20m
2026-07-08 SWA2856 MCO → BWI Jul 8, 20:45 UTCJul 8, 22:40 UTC1h 55m

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 N8805L page for operator, model, and routing details .

Mode-S AC20E7 frequently asked

What is Mode-S code AC20E7?
AC20E7 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8805L.
Where is Mode-S AC20E7 registered?
Mode-S code AC20E7 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 AC20E7 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC20E7, octal 53020347, decimal 11,280,615.
What flights does AC20E7 operate?
Mode-S AC20E7 has broadcast 20 distinct callsigns, including SWA652, SWA4470, SWA978, SWA4412, SWA4384.