Apparatus

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sensors Mode-S transponder

AAF665

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N805WA · MCDONNELL-DOUGLAS MD-83 · operated by CARIBBEAN SUN AIRLINES INC

Hex
AAF665
Octal
52573145
Decimal
11,204,197
Country
US
Tail
N805WA
Type
MD83
No current signal · last broadcast 17h ago
Flights observed
207
Distinct callsigns
20
Country
US
Last broadcast
17h ago

Last known position

Most recent position reported by Mode-S AAF665.

Country allocation

The ICAO 24-bit address AAF665 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
WAL261 - 15 2026-07-12
WAL294 - 14 2026-07-12
WAL293 - 14 2026-07-12
WAL260 - 14 2026-07-12
WAL522 World Atlantic Airlines 11 2026-06-11
WAL297 - 11 2026-07-11
WAL523 World Atlantic Airlines 10 2026-06-18
WAL296 - 10 2026-07-07
WAL291 - 10 2026-07-13
WAL290 - 10 2026-07-13
WAL252 - 10 2026-07-08
WAL251 - 10 2026-07-13
WAL250 - 10 2026-07-13
WAL253 - 8 2026-07-01
WAL513 World Atlantic Airlines 6 2026-06-10
WAL512 World Atlantic Airlines 6 2026-06-10
WAL501 - 6 2026-07-03
WAL281 - 6 2026-07-07
WAL271 - 5 2026-07-03
WAL270 - 5 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 WAL251 - Jul 13, 18:15 UTCJul 13, 18:40 UTC25m
2026-07-13 WAL290 - Jul 13, 15:30 UTCJul 13, 16:10 UTC40m
2026-07-13 WAL291 - Jul 13, 13:00 UTCJul 13, 13:45 UTC45m
2026-07-13 WAL250 - Jul 13, 10:55 UTCJul 13, 11:20 UTC25m
2026-07-12 WAL261 - Jul 12, 18:50 UTCJul 12, 19:20 UTC30m
2026-07-12 WAL294 - Jul 12, 16:45 UTCJul 12, 17:30 UTC45m
2026-07-12 WAL293 - Jul 12, 13:15 UTCJul 12, 14:15 UTC1h 0m
2026-07-12 WAL260 - Jul 12, 11:20 UTCJul 12, 11:45 UTC25m
2026-07-11 WAL297 - Jul 11, 17:30 UTCJul 11, 21:00 UTC3h 30m
2026-07-11 WAL297 - Jul 11, 11:05 UTCJul 11, 14:45 UTC3h 40m
2026-07-10 WAL251 - Jul 10, 18:50 UTCJul 10, 19:20 UTC30m
2026-07-10 WAL290 - Jul 10, 16:25 UTCJul 10, 17:05 UTC40m
2026-07-10 WAL291 - Jul 10, 13:50 UTCJul 10, 14:30 UTC40m
2026-07-10 WAL250 - Jul 10, 11:40 UTCJul 10, 12:10 UTC30m
2026-07-08 WAL252 - Jul 8, 13:15 UTCJul 8, 13:45 UTC30m
2026-07-08 WAL252 - Jul 8, 11:10 UTCJul 8, 11:45 UTC35m
2026-07-07 WAL281 - Jul 7, 20:10 UTCJul 7, 20:35 UTC25m
2026-07-07 WAL296 - Jul 7, 17:00 UTCJul 7, 17:50 UTC50m
2026-07-07 WAL297 - Jul 7, 11:00 UTCJul 7, 14:45 UTC3h 45m
2026-07-06 WAL251 - Jul 6, 18:45 UTCJul 6, 19:25 UTC40m
2026-07-06 WAL290 - Jul 6, 16:15 UTCJul 6, 16:50 UTC35m
2026-07-06 WAL291 - Jul 6, 13:30 UTCJul 6, 14:15 UTC45m
2026-07-06 WAL250 - Jul 6, 11:10 UTCJul 6, 11:40 UTC30m
2026-07-05 WAL261 - Jul 5, 18:00 UTCJul 5, 18:45 UTC45m
2026-07-05 WAL294 - Jul 5, 15:45 UTCJul 5, 16:25 UTC40m
2026-07-05 WAL293 - Jul 5, 12:45 UTCJul 5, 13:35 UTC50m
2026-07-05 WAL260 - Jul 5, 10:55 UTCJul 5, 11:20 UTC25m
2026-07-04 WAL281 - Jul 4, 21:10 UTCJul 4, 21:35 UTC25m
2026-07-04 WAL296 - Jul 4, 16:40 UTCJul 4, 17:25 UTC45m
2026-07-04 WAL297 - Jul 4, 11:05 UTCJul 4, 14:35 UTC3h 30m
2026-07-03 WAL501 - Jul 3, 15:50 UTCJul 3, 20:10 UTC4h 20m
2026-07-03 WAL271 - Jul 3, 13:35 UTCJul 3, 14:00 UTC25m
2026-07-03 WAL270 - Jul 3, 10:40 UTCJul 3, 10:55 UTC15m
2026-07-02 WAL261 - Jul 2, 18:15 UTCJul 2, 18:50 UTC35m
2026-07-02 WAL294 - Jul 2, 15:50 UTCJul 2, 16:40 UTC50m
2026-07-02 WAL293 - Jul 2, 13:10 UTCJul 2, 14:00 UTC50m
2026-07-02 WAL260 - Jul 2, 11:30 UTCJul 2, 11:55 UTC25m
2026-07-01 WAL253 - Jul 1, 13:30 UTCJul 1, 14:00 UTC30m
2026-07-01 WAL252 - Jul 1, 11:00 UTCJul 1, 11:25 UTC25m
2026-06-30 WAL296 - Jun 30, 17:25 UTCJun 30, 21:05 UTC3h 40m
2026-06-30 WAL297 - Jun 30, 11:15 UTCJun 30, 14:45 UTC3h 30m
2026-06-29 WAL251 - Jun 29, 17:55 UTCJun 29, 18:34 UTC40m
2026-06-29 WAL290 - Jun 29, 15:34 UTCJun 29, 16:10 UTC35m
2026-06-29 WAL291 - Jun 29, 13:00 UTCJun 29, 13:44 UTC45m
2026-06-29 WAL250 - Jun 29, 10:29 UTCJun 29, 10:59 UTC30m
2026-06-28 WAL261 - Jun 28, 19:04 UTCJun 28, 19:34 UTC30m
2026-06-28 WAL294 - Jun 28, 16:39 UTCJun 28, 17:19 UTC40m
2026-06-28 WAL293 - Jun 28, 13:10 UTCJun 28, 13:59 UTC50m
2026-06-28 WAL260 - Jun 28, 11:09 UTCJun 28, 11:35 UTC25m
2026-06-27 WAL296 - Jun 27, 17:14 UTCJun 27, 20:49 UTC3h 35m

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 N805WA page for operator, model, and routing details .

Mode-S AAF665 frequently asked

What is Mode-S code AAF665?
AAF665 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N805WA.
Where is Mode-S AAF665 registered?
Mode-S code AAF665 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 AAF665 broadcasting right now?
No active broadcast right now. Last signal was 17h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AAF665, octal 52573145, decimal 11,204,197.
What flights does AAF665 operate?
Mode-S AAF665 has broadcast 20 distinct callsigns, including WAL261, WAL294, WAL293, WAL260, WAL522.