Apparatus

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sensors Mode-S transponder

AA8A83

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N779AN · BOEING 777-200 · operated by AMERICAN AIRLINES INC

Hex
AA8A83
Octal
52505203
Decimal
11,176,579
Country
US
Tail
N779AN
Type
B772
No current signal · last broadcast Jul 26, 16:25 UTC
Flights observed
254
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 16:25 UTC

Last known position

Most recent position reported by Mode-S AA8A83.

Country allocation

The ICAO 24-bit address AA8A83 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
AAL49 - 10 2026-07-12
AAL43 American Airlines 8 2026-07-22
AAL333 American Airlines 8 2026-06-12
AAL908 American Airlines 7 2026-07-19
AAL173 American Airlines 7 2026-07-25
AAL931 - 6 2026-07-10
AAL724 - 6 2026-06-21
AAL66 American Airlines 6 2026-07-20
AAL4 American Airlines 6 2026-05-20
AAL37 American Airlines 6 2026-05-23
AAL255 American Airlines 6 2026-06-07
AAL240P American Airlines 6 2026-06-16
AAL193 American Airlines 6 2026-07-21
AAL174 American Airlines 6 2026-07-25
AAL725 - 5 2026-06-21
AAL61 - 5 2026-07-14
AAL48 American Airlines 5 2026-07-21
AAL42 American Airlines 5 2026-05-21
AAL274 American Airlines 5 2026-06-07
AAL194 American Airlines 5 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL109 LHR → BOS Jul 26, 09:25 UTCJul 26, 16:10 UTC6h 45m
2026-07-25 AAL174 RDU → LHR Jul 25, 23:25 UTCJul 26, 06:30 UTC7h 5m
2026-07-25 AAL174 RDU → LHR Jul 25, 23:23 UTCJul 26, 06:11 UTC6h 48m
2026-07-25 AAL173 LHR → RDU Jul 25, 12:20 UTCJul 25, 20:00 UTC7h 40m
2026-07-25 AAL173 LHR → RDU Jul 25, 12:18 UTCJul 25, 19:58 UTC7h 40m
2026-07-25 AAL194 PHX → LHR Jul 25, 00:21 UTCJul 25, 09:43 UTC9h 22m
2026-07-25 AAL194 PHX → LHR Jul 25, 00:25 UTCJul 25, 09:45 UTC9h 20m
2026-07-24 AAL195 LHR → PHX Jul 24, 10:35 UTCJul 24, 21:05 UTC10h 30m
2026-07-24 AAL732 CLT → LHR Jul 24, 00:35 UTCJul 24, 08:00 UTC7h 25m
2026-07-23 AAL325 ORD → LGA Jul 23, 09:20 UTCJul 23, 10:45 UTC1h 25m
2026-07-23 AAL325 ORD → LGA Jul 23, 09:19 UTCJul 23, 20:31 UTC11h 12m
2026-07-22 AAL334 JFK → ATH Jul 22, 21:45 UTCJul 23, 06:45 UTC9h 0m
2026-07-22 AAL334 JFK → ATH Jul 22, 21:45 UTCJul 23, 06:52 UTC9h 7m
2026-07-22 AAL43 LGA → DCA Jul 22, 11:10 UTCJul 22, 18:40 UTC7h 30m
2026-07-22 AAL43 LGA → DCA Jul 22, 10:55 UTCJul 22, 18:35 UTC7h 40m
2026-07-21 AAL48 DFW → CDG Jul 21, 22:55 UTCJul 22, 01:30 UTC2h 35m
2026-07-21 AAL193 CLT → MSY Jul 21, 09:45 UTCJul 21, 20:15 UTC10h 30m
2026-07-20 AAL66 JFK → BCN Jul 20, 22:45 UTCJul 21, 05:40 UTC6h 54m
2026-07-20 AAL67 BCN → JFK Jul 20, 11:58 UTCJul 20, 19:52 UTC7h 54m
2026-07-20 AAL67 BCN → JFK Jul 20, 11:58 UTCJul 20, 20:05 UTC8h 7m
2026-07-20 AAL67 - Jul 20, 12:00 UTCJul 20, 14:05 UTC2h 5m
2026-07-19 AAL112 - Jul 19, 23:10 UTCJul 20, 07:55 UTC8h 45m
2026-07-19 AAL908 EZE → MIA Jul 19, 07:10 UTCJul 19, 10:35 UTC3h 25m
2026-07-19 AAL908 EZE → MIA Jul 19, 01:40 UTCJul 19, 02:20 UTC40m
2026-07-19 AAL908 EZE → MIA Jul 19, 01:39 UTCJul 19, 10:41 UTC9h 2m
2026-07-18 AAL907 MIA → EZE Jul 18, 04:30 UTCJul 18, 12:45 UTC8h 15m
2026-07-17 AAL488 LIR → AUS Jul 17, 22:29 UTCJul 18, 00:04 UTC1h 35m
2026-07-17 AAL749 - Jul 17, 11:15 UTCJul 17, 19:35 UTC8h 20m
2026-07-17 AAL36 DFW → MAD Jul 17, 00:14 UTCJul 17, 09:04 UTC8h 50m
2026-07-16 AAL221 AMS → DFW Jul 16, 11:50 UTCJul 16, 21:19 UTC9h 30m
2026-07-16 AAL221 AMS → DFW Jul 16, 11:49 UTCJul 16, 21:18 UTC9h 29m
2026-07-16 AAL220 DFW → AMS Jul 16, 00:10 UTCJul 16, 09:05 UTC8h 55m
2026-07-15 AAL60 NRT → DFW Jul 15, 09:44 UTCJul 15, 21:26 UTC11h 42m
2026-07-15 AAL60 - Jul 15, 09:45 UTCJul 15, 10:20 UTC35m
2026-07-14 AAL61 DFW → NRT Jul 14, 17:25 UTCJul 15, 06:05 UTC12h 39m
2026-07-13 AAL201 ZRH → DFW Jul 13, 09:00 UTCJul 13, 19:10 UTC10h 10m
2026-07-12 AAL200 DFW → ZRH Jul 12, 20:35 UTCJul 13, 06:20 UTC9h 45m
2026-07-12 AAL49 - Jul 12, 08:20 UTCJul 12, 17:55 UTC9h 35m
2026-07-12 AAL49 CDG → DFW Jul 12, 08:19 UTCJul 12, 17:54 UTC9h 35m
2026-07-11 AAL786 - Jul 11, 21:45 UTCJul 12, 05:10 UTC7h 25m
2026-07-11 AAL3085 - Jul 11, 12:10 UTCJul 11, 13:45 UTC1h 35m
2026-07-11 AAL900 - Jul 11, 03:45 UTCJul 11, 08:30 UTC4h 45m
2026-07-10 AAL900 - Jul 10, 23:50 UTCJul 11, 00:35 UTC45m
2026-07-10 AAL900 EZE → MIA Jul 10, 23:48 UTCJul 11, 08:27 UTC8h 39m
2026-07-10 AAL931 - Jul 10, 01:30 UTCJul 10, 04:20 UTC2h 50m
2026-07-10 AAL931 MIA → EZE Jul 10, 01:26 UTCJul 10, 09:47 UTC8h 21m
2026-07-09 AAL69 - Jul 9, 11:10 UTCJul 9, 19:45 UTC8h 35m
2026-07-09 AAL69 MAD → MIA Jul 9, 11:06 UTCJul 9, 19:40 UTC8h 34m
2026-07-08 AAL36 - Jul 8, 21:55 UTCJul 9, 06:45 UTC8h 50m
2026-07-08 AAL36 DFW → MAD Jul 8, 21:51 UTCJul 9, 06:51 UTC9h 0m

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 N779AN page for operator, model, and routing details .

Mode-S AA8A83 frequently asked

What is Mode-S code AA8A83?
AA8A83 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N779AN.
Where is Mode-S AA8A83 registered?
Mode-S code AA8A83 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 AA8A83 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 16:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA8A83, octal 52505203, decimal 11,176,579.
What flights does AA8A83 operate?
Mode-S AA8A83 has broadcast 20 distinct callsigns, including AAL49, AAL43, AAL333, AAL908, AAL173.