sensors Mode-S transponder

AAB812

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N790AN · BOEING 777-200 · operated by AMERICAN AIRLINES INC

Hex
AAB812
Octal
52534022
Decimal
11,188,242
Country
US
Tail
N790AN
Type
B772
No current signal · last broadcast Jul 26, 20:40 UTC
Flights observed
204
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 20:40 UTC

Last known position

Most recent position reported by Mode-S AAB812.

Country allocation

The ICAO 24-bit address AAB812 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
AAL749 - 7 2026-06-18
AAL9990 American Airlines 6 2026-04-15
AAL94 American Airlines 6 2026-07-25
AAL199 American Airlines 6 2026-07-25
AAL198 American Airlines 6 2026-07-24
AAL9993 - 5 2026-04-16
AAL904 - 5 2026-06-15
AAL61 - 5 2026-06-20
AAL60 American Airlines 5 2026-06-21
CMB558 - 4 2026-04-16
CMB552 - 4 2026-04-14
AAL9994 American Airlines 4 2026-04-17
AAL908 American Airlines 4 2026-07-21
AAL733 American Airlines 4 2026-06-13
AAL732 American Airlines 4 2026-06-11
AAL724 - 4 2026-07-15
AAL721 American Airlines 4 2026-06-10
AAL43 American Airlines 4 2026-06-02
AAL37 American Airlines 4 2026-07-26
AAL9605 - 3 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL37 MAD → DFW Jul 26, 11:00 UTCJul 26, 20:15 UTC9h 15m
2026-07-25 AAL94 JFK → MAD Jul 25, 22:10 UTCJul 25, 23:45 UTC1h 35m
2026-07-25 AAL94 JFK → MAD Jul 25, 22:08 UTCJul 26, 04:46 UTC6h 38m
2026-07-25 AAL199 MXP → JFK Jul 25, 09:15 UTCJul 25, 17:10 UTC7h 55m
2026-07-24 AAL198 JFK → MXP Jul 24, 23:40 UTCJul 25, 07:02 UTC7h 22m
2026-07-24 AAL198 JFK → MXP Jul 24, 23:40 UTCJul 25, 06:55 UTC7h 15m
2026-07-24 AAL67 BCN → JFK Jul 24, 12:40 UTCJul 24, 20:20 UTC7h 40m
2026-07-23 AAL112 MIA → BCN Jul 23, 23:40 UTCJul 24, 08:20 UTC8h 40m
2026-07-23 AAL112 MIA → BCN Jul 23, 23:39 UTCJul 24, 08:19 UTC8h 40m
2026-07-21 AAL3013 MIA → LAX Jul 21, 21:15 UTCJul 22, 01:55 UTC4h 40m
2026-07-21 AAL3288 PHX → GJT Jul 21, 14:30 UTCJul 21, 19:10 UTC4h 40m
2026-07-21 AAL908 EZE → MIA Jul 21, 01:55 UTCJul 21, 03:55 UTC2h 0m
2026-07-21 AAL908 EZE → MIA Jul 21, 01:54 UTCJul 21, 10:40 UTC8h 46m
2026-07-20 AAL953P JFK → EZE Jul 20, 01:25 UTCJul 20, 11:00 UTC9h 35m
2026-07-20 AAL953P JFK → EZE Jul 20, 00:53 UTCJul 20, 10:49 UTC9h 56m
2026-07-20 AAL953P JFK → EZE Jul 20, 00:55 UTCJul 20, 01:20 UTC25m
2026-07-18 AAL9782 DFW → JFK Jul 18, 21:20 UTCJul 19, 01:40 UTC4h 20m
2026-07-18 AAL9782 DFW → JFK Jul 18, 21:18 UTCJul 19, 01:36 UTC4h 18m
2026-07-16 AAL49 - Jul 16, 08:55 UTCJul 16, 10:29 UTC1h 35m
2026-07-16 AAL49 CDG → DFW Jul 16, 08:51 UTCJul 16, 18:18 UTC9h 27m
2026-07-16 AAL49 CDG → DFW Jul 16, 08:51 UTCJul 16, 18:14 UTC9h 23m
2026-07-15 AAL786 - Jul 15, 22:30 UTCJul 16, 06:25 UTC7h 55m
2026-07-15 AAL725 - Jul 15, 11:20 UTCJul 15, 18:40 UTC7h 20m
2026-07-15 AAL724 - Jul 15, 01:35 UTCJul 15, 04:15 UTC2h 40m
2026-07-15 AAL724 CLT → DUB Jul 15, 01:31 UTCJul 15, 08:32 UTC7h 1m
2026-07-14 AAL9605 - Jul 14, 07:20 UTCJul 14, 10:00 UTC2h 40m
2026-07-14 AAL9605 FCO → CLT Jul 14, 07:19 UTCJul 14, 16:37 UTC9h 18m
2026-07-14 AAL9605 FCO → CLT Jul 14, 07:19 UTCJul 14, 16:41 UTC9h 22m
2026-07-11 AAL52 - Jul 11, 23:40 UTCJul 12, 09:15 UTC9h 35m
2026-07-09 AAL53 - Jul 9, 12:35 UTCJul 9, 22:40 UTC10h 5m
2026-07-09 AAL53 FCO → MIA Jul 9, 12:32 UTCJul 9, 22:39 UTC10h 7m
2026-07-08 AAL240 - Jul 8, 23:50 UTCJul 9, 09:55 UTC10h 5m
2026-06-21 AAL60 NRT → DFW Jun 21, 09:55 UTCJun 21, 20:59 UTC11h 4m
2026-06-21 AAL60 NRT → DFW Jun 21, 09:59 UTCJun 21, 20:59 UTC11h 0m
2026-06-20 AAL61 - Jun 20, 17:34 UTCJun 21, 05:49 UTC12h 15m
2026-06-19 AAL239 FCO → DFW Jun 19, 13:24 UTCJun 20, 00:19 UTC10h 55m
2026-06-19 AAL239 FCO → DFW Jun 19, 13:23 UTCJun 20, 00:19 UTC10h 56m
2026-06-19 AAL720 - Jun 19, 02:35 UTCJun 19, 11:04 UTC8h 30m
2026-06-18 AAL749 - Jun 18, 11:30 UTCJun 18, 20:10 UTC8h 40m
2026-06-18 AAL749 MAD → CLT Jun 18, 11:26 UTCJun 18, 20:10 UTC8h 44m
2026-06-17 AAL94 JFK → MAD Jun 17, 20:35 UTCJun 18, 02:45 UTC6h 10m
2026-06-17 AAL95 MAD → JFK Jun 17, 08:35 UTCJun 17, 16:00 UTC7h 25m
2026-06-16 AAL748 CLT → MAD Jun 16, 20:10 UTCJun 17, 03:15 UTC7h 5m
2026-06-16 AAL785 - Jun 16, 14:05 UTCJun 16, 16:39 UTC2h 35m
2026-06-16 AAL785 - Jun 16, 07:15 UTCJun 16, 14:00 UTC6h 45m
2026-06-15 AAL784 DFW → CLT Jun 15, 20:40 UTCJun 15, 22:59 UTC2h 20m
2026-06-15 AAL784 DFW → CLT Jun 15, 20:39 UTCJun 16, 04:33 UTC7h 54m
2026-06-15 AAL3085 SMF → ORD Jun 15, 11:49 UTCJun 15, 13:25 UTC1h 35m
2026-06-15 AAL3085 SMF → ORD Jun 15, 11:49 UTCJun 15, 13:20 UTC1h 31m
2026-06-15 AAL904 - Jun 15, 01:20 UTCJun 15, 06:20 UTC5h 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 N790AN page for operator, model, and routing details .

Mode-S AAB812 frequently asked

What is Mode-S code AAB812?
AAB812 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N790AN.
Where is Mode-S AAB812 registered?
Mode-S code AAB812 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 AAB812 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AAB812, octal 52534022, decimal 11,188,242.
What flights does AAB812 operate?
Mode-S AAB812 has broadcast 20 distinct callsigns, including AAL749, AAL9990, AAL94, AAL199, AAL198.