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sensors Mode-S transponder

AD0F29

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N940WN · BOEING 737-700 · operated by SOUTHWEST AIRLINES CO

Hex
AD0F29
Octal
53207451
Decimal
11,341,609
Country
US
Tail
N940WN
Type
B737
No current signal · last broadcast 1h ago
Flights observed
634
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S AD0F29.

Country allocation

The ICAO 24-bit address AD0F29 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
SWA910 - 7 2026-06-29
SWA853 Southwest Airlines 6 2026-05-19
SWA4020 Southwest Airlines 5 2026-04-26
SWA1955 Southwest Airlines 5 2026-05-26
SWA8506 - 4 2026-06-19
SWA8 Southwest Airlines 4 2026-05-22
SWA478 Southwest Airlines 4 2026-06-14
SWA3532 - 4 2026-04-13
SWA2866 - 4 2026-07-13
SWA2794 Southwest Airlines 4 2026-05-13
SWA2562 Southwest Airlines 4 2026-05-07
SWA2560 Southwest Airlines 4 2026-04-19
SWA2382 Southwest Airlines 4 2026-04-17
SWA19 Southwest Airlines 4 2026-04-27
SWA1563 Southwest Airlines 4 2026-06-09
SWA1433 - 4 2026-07-11
SWA983 Southwest Airlines 3 2026-06-20
SWA963 - 3 2026-06-16
SWA9001 Southwest Airlines 3 2026-06-02
SWA878 - 3 2026-06-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SWA1011 - Jul 14, 15:00 UTCJul 14, 16:15 UTC1h 15m
2026-07-14 SWA2988 - Jul 14, 11:45 UTCJul 14, 13:25 UTC1h 40m
2026-07-14 SWA2988 MKE → BWI Jul 14, 11:44 UTCJul 14, 13:23 UTC1h 39m
2026-07-13 SWA2866 - Jul 13, 21:05 UTCJul 13, 22:05 UTC1h 0m
2026-07-13 SWA2866 PIT → MKE Jul 13, 21:01 UTCJul 13, 22:06 UTC1h 5m
2026-07-13 SWA2866 - Jul 13, 18:50 UTCJul 13, 19:45 UTC55m
2026-07-13 SWA2866 - Jul 13, 15:55 UTCJul 13, 17:50 UTC1h 55m
2026-07-13 SWA4103 - Jul 13, 13:05 UTCJul 13, 14:55 UTC1h 50m
2026-07-13 SWA4103 MDW → PNS Jul 13, 13:02 UTCJul 13, 14:50 UTC1h 48m
2026-07-13 SWA2413 - Jul 13, 07:20 UTCJul 13, 10:55 UTC3h 35m
2026-07-13 SWA254 - Jul 13, 04:10 UTCJul 13, 05:20 UTC1h 10m
2026-07-13 SWA254 AUS → ATL Jul 13, 04:08 UTCJul 13, 05:01 UTC53m
2026-07-13 SWA254 PDX → OAK Jul 13, 01:35 UTCJul 13, 03:05 UTC1h 30m
2026-07-12 SWA3744 - Jul 12, 22:50 UTCJul 13, 00:45 UTC1h 55m
2026-07-12 SWA3744 SAN → PDX Jul 12, 22:50 UTCJul 13, 00:41 UTC1h 51m
2026-07-12 SWA3744 - Jul 12, 20:55 UTCJul 12, 21:40 UTC45m
2026-07-12 SWA2311 LAS → PHX Jul 12, 19:05 UTCJul 12, 19:55 UTC50m
2026-07-12 SWA2311 OAK → LAS Jul 12, 16:20 UTCJul 12, 17:40 UTC1h 20m
2026-07-12 SWA4947 LGB → OAK Jul 12, 14:06 UTCJul 12, 14:56 UTC50m
2026-07-12 SWA4947 - Jul 12, 14:10 UTCJul 12, 15:01 UTC50m
2026-07-12 SWA3057 - Jul 12, 02:10 UTCJul 12, 03:15 UTC1h 5m
2026-07-11 SWA2230 - Jul 11, 21:50 UTCJul 12, 01:15 UTC3h 25m
2026-07-11 SWA1433 - Jul 11, 17:40 UTCJul 11, 20:20 UTC2h 40m
2026-07-11 SWA1433 DCA → HOU Jul 11, 17:37 UTCJul 11, 20:24 UTC2h 47m
2026-07-11 SWA1433 - Jul 11, 15:00 UTCJul 11, 16:10 UTC1h 10m
2026-07-11 SWA1433 - Jul 11, 11:40 UTCJul 11, 14:00 UTC2h 20m
2026-07-10 SWA352 - Jul 10, 22:40 UTCJul 11, 01:10 UTC2h 30m
2026-07-10 SWA352 AUS → MCO Jul 10, 22:39 UTCJul 11, 01:01 UTC2h 22m
2026-07-10 SWA352 - Jul 10, 21:15 UTCJul 10, 21:40 UTC25m
2026-07-10 SWA29 - Jul 10, 18:45 UTCJul 10, 19:30 UTC45m
2026-07-10 SWA29 - Jul 10, 16:35 UTCJul 10, 17:30 UTC55m
2026-07-10 SWA2022 DEN → OAK Jul 10, 14:40 UTCJul 10, 15:35 UTC55m
2026-07-10 SWA4896 - Jul 10, 12:25 UTCJul 10, 13:30 UTC1h 5m
2026-07-10 SWA3473 - Jul 10, 04:55 UTCJul 10, 05:50 UTC55m
2026-07-10 SWA1064 - Jul 10, 00:40 UTCJul 10, 04:15 UTC3h 35m
2026-07-09 SWA1554 DEN → IND Jul 9, 20:05 UTCJul 9, 22:05 UTC2h 0m
2026-07-09 SWA1554 DEN → IND Jul 9, 20:04 UTCJul 9, 21:57 UTC1h 53m
2026-07-09 SWA779 - Jul 9, 16:35 UTCJul 9, 19:15 UTC2h 40m
2026-07-09 SWA1187 MCO → CMH Jul 9, 13:45 UTCJul 9, 15:35 UTC1h 50m
2026-07-09 SWA3956 - Jul 9, 00:10 UTCJul 9, 01:00 UTC50m
2026-07-08 SWA3956 - Jul 8, 22:50 UTCJul 9, 00:05 UTC1h 15m
2026-07-08 SWA4328 - Jul 8, 20:20 UTCJul 8, 21:45 UTC1h 25m
2026-07-08 SWA2050 - Jul 8, 17:10 UTCJul 8, 19:15 UTC2h 5m
2026-07-08 SWA2050 DEN → BHM Jul 8, 17:05 UTCJul 8, 19:15 UTC2h 10m
2026-07-08 SWA3914 - Jul 8, 02:35 UTCJul 8, 04:20 UTC1h 45m
2026-07-08 SWA2614 - Jul 8, 00:45 UTCJul 8, 01:40 UTC55m
2026-07-07 SWA1790 - Jul 7, 19:45 UTCJul 7, 23:40 UTC3h 55m
2026-07-07 SWA1790 SAN → CMH Jul 7, 19:42 UTCJul 7, 23:40 UTC3h 58m
2026-07-07 SWA2056 OAK → SAN Jul 7, 17:15 UTCJul 7, 18:27 UTC1h 12m
2026-07-07 SWA2056 - Jul 7, 17:15 UTCJul 7, 18:25 UTC1h 10m

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 N940WN page for operator, model, and routing details .

Mode-S AD0F29 frequently asked

What is Mode-S code AD0F29?
AD0F29 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N940WN.
Where is Mode-S AD0F29 registered?
Mode-S code AD0F29 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 AD0F29 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 AD0F29, octal 53207451, decimal 11,341,609.
What flights does AD0F29 operate?
Mode-S AD0F29 has broadcast 20 distinct callsigns, including SWA910, SWA853, SWA4020, SWA1955, SWA8506.