Apparatus

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sensors Mode-S transponder

AA5F41

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N768AA · BOEING 777-200 · operated by AMERICAN AIRLINES INC

Hex
AA5F41
Octal
52457501
Decimal
11,165,505
Country
US
Tail
N768AA
Type
B772
Broadcasting now · callsign AAL325 · 40,000 ft
Flights observed
219
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

AA5F41 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AA5F41 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
AAL43 - 10 2026-07-13
AAL199 American Airlines 10 2026-06-14
AAL749 - 8 2026-06-28
AAL733 American Airlines 8 2026-06-16
AAL109 American Airlines 8 2026-05-30
AAL10 American Airlines 8 2026-04-18
AAL785 - 7 2026-06-26
AAL306 American Airlines 7 2026-04-18
AAL274 - 7 2026-06-11
AAL198 American Airlines 7 2026-06-07
AAL900 - 6 2026-07-07
AAL732 - 6 2026-06-16
AAL108 American Airlines 6 2026-05-30
AAL931 - 5 2026-07-06
AAL784 American Airlines 5 2026-06-25
AAL325 - 5 2026-07-14
AAL194 American Airlines 5 2026-05-29
AAL904 - 4 2026-06-18
AAL720 - 4 2026-07-01
AAL334 - 4 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AAL325 - Jul 14, 09:25 UTCJul 14, 18:15 UTC8h 50m
2026-07-13 AAL334 JFK → ATH Jul 13, 21:43 UTCJul 14, 06:36 UTC8h 53m
2026-07-13 AAL334 - Jul 13, 21:45 UTCJul 14, 06:15 UTC8h 30m
2026-07-13 AAL43 - Jul 13, 11:05 UTCJul 13, 18:15 UTC7h 10m
2026-07-13 AAL43 CDG → JFK Jul 13, 11:01 UTCJul 13, 18:14 UTC7h 13m
2026-07-12 AAL48 - Jul 12, 23:25 UTCJul 13, 08:35 UTC9h 10m
2026-07-12 AAL193 DFW → DFW Jul 12, 19:35 UTCJul 12, 19:40 UTC5m
2026-07-12 AAL193 BCN → DFW Jul 12, 09:10 UTCJul 12, 19:40 UTC10h 30m
2026-07-12 AAL193 BCN → DFW Jul 12, 09:09 UTCJul 12, 19:18 UTC10h 9m
2026-07-11 AAL66 JFK → BCN Jul 11, 22:40 UTCJul 12, 05:20 UTC6h 40m
2026-07-10 AAL333 - Jul 10, 13:50 UTCJul 10, 14:15 UTC25m
2026-07-10 AAL333 ATH → JFK Jul 10, 13:49 UTCJul 10, 23:48 UTC9h 59m
2026-07-10 AAL333 ATH → JFK Jul 10, 13:49 UTCJul 10, 23:30 UTC9h 41m
2026-07-09 AAL326 - Jul 9, 23:05 UTCJul 10, 08:50 UTC9h 45m
2026-07-08 AAL721 - Jul 8, 12:20 UTCJul 8, 14:15 UTC1h 55m
2026-07-08 AAL721 FCO → CLT Jul 8, 12:17 UTCJul 8, 21:35 UTC9h 18m
2026-07-07 AAL52 - Jul 7, 23:35 UTCJul 8, 09:00 UTC9h 25m
2026-07-07 AAL900 - Jul 7, 00:00 UTCJul 7, 06:15 UTC6h 15m
2026-07-06 AAL900 EZE → MIA Jul 6, 23:55 UTCJul 7, 08:37 UTC8h 42m
2026-07-06 AAL931 - Jul 6, 01:35 UTCJul 6, 08:15 UTC6h 40m
2026-07-06 AAL931 MIA → EZE Jul 6, 01:34 UTCJul 6, 09:37 UTC8h 3m
2026-07-05 AAL53 - Jul 5, 12:40 UTCJul 5, 22:25 UTC9h 45m
2026-07-05 AAL53 FCO → MIA Jul 5, 12:37 UTCJul 5, 22:24 UTC9h 47m
2026-07-04 AAL240 - Jul 4, 23:55 UTCJul 5, 09:30 UTC9h 35m
2026-07-04 AAL60 NRT → DFW Jul 4, 10:04 UTCJul 4, 21:15 UTC11h 11m
2026-07-04 AAL60 NRT → DFW Jul 4, 10:05 UTCJul 4, 10:15 UTC10m
2026-07-03 AAL61 DFW → NRT Jul 3, 17:20 UTCJul 4, 06:30 UTC13h 10m
2026-07-01 AAL239 FCO → DFW Jul 1, 11:40 UTCJul 1, 22:40 UTC11h 0m
2026-07-01 AAL720 - Jul 1, 00:30 UTCJul 1, 09:05 UTC8h 35m
2026-06-28 AAL749 - Jun 28, 11:14 UTCJun 28, 19:55 UTC8h 40m
2026-06-28 AAL749 MAD → CLT Jun 28, 11:14 UTCJun 28, 19:54 UTC8h 40m
2026-06-27 AAL94 JFK → MAD Jun 27, 20:49 UTCJun 28, 03:05 UTC6h 15m
2026-06-27 AAL95 MAD → JFK Jun 27, 08:44 UTCJun 27, 16:44 UTC8h 0m
2026-06-26 AAL748 CLT → MAD Jun 26, 19:55 UTCJun 27, 02:55 UTC7h 0m
2026-06-26 AAL748 CLT → MAD Jun 26, 19:53 UTCJun 27, 02:55 UTC7h 2m
2026-06-26 AAL785 - Jun 26, 07:30 UTCJun 26, 16:14 UTC8h 45m
2026-06-26 AAL785 MUC → CLT Jun 26, 07:28 UTCJun 26, 16:43 UTC9h 15m
2026-06-25 AAL784 DFW → CLT Jun 25, 20:54 UTCJun 26, 04:59 UTC8h 5m
2026-06-25 AAL705 - Jun 25, 07:54 UTCJun 25, 16:55 UTC9h 0m
2026-06-25 AAL705 FRA → CLT Jun 25, 07:53 UTCJun 25, 16:54 UTC9h 1m
2026-06-25 AAL704 CLT → FRA Jun 25, 03:20 UTCJun 25, 05:09 UTC1h 50m
2026-06-24 AAL704 CLT → FRA Jun 24, 21:04 UTCJun 24, 21:54 UTC50m
2026-06-24 AAL787 - Jun 24, 09:39 UTCJun 24, 18:20 UTC8h 40m
2026-06-23 AAL786 - Jun 23, 21:49 UTCJun 23, 22:15 UTC25m
2026-06-23 AAL786 CLT → CDG Jun 23, 21:44 UTCJun 24, 05:03 UTC7h 19m
2026-06-22 AAL785 - Jun 22, 07:25 UTCJun 22, 16:29 UTC9h 5m
2026-06-22 AAL785 MUC → CLT Jun 22, 07:24 UTCJun 22, 16:35 UTC9h 11m
2026-06-21 AAL784 DFW → CLT Jun 21, 21:19 UTCJun 21, 22:49 UTC1h 30m
2026-06-21 AAL784 DFW → CLT Jun 21, 21:17 UTCJun 22, 05:17 UTC8h 0m
2026-06-21 AAL785 - Jun 21, 07:25 UTCJun 21, 16:14 UTC8h 50m

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 N768AA page for operator, model, and routing details .

Mode-S AA5F41 frequently asked

What is Mode-S code AA5F41?
AA5F41 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N768AA.
Where is Mode-S AA5F41 registered?
Mode-S code AA5F41 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 AA5F41 broadcasting right now?
Yes. Mode-S AA5F41 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA5F41, octal 52457501, decimal 11,165,505.
What flights does AA5F41 operate?
Mode-S AA5F41 has broadcast 20 distinct callsigns, including AAL43, AAL199, AAL749, AAL733, AAL109.