sensors Mode-S transponder

A06646

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N125AA · AIRBUS A-321 · operated by BANK OF UTAH TRUSTEE

Hex
A06646
Octal
50063106
Decimal
10,511,942
Country
US
Tail
N125AA
Type
A321
No current signal · last broadcast Jul 26, 21:30 UTC
Flights observed
522
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:30 UTC

Last known position

Most recent position reported by Mode-S A06646.

Country allocation

The ICAO 24-bit address A06646 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
AAL2516 American Airlines 8 2026-05-08
AAL2791 American Airlines 7 2026-07-01
AAL3320 - 6 2026-06-28
AAL2325 - 6 2026-06-25
AAL1120 - 6 2026-06-21
AAL777 - 5 2026-07-19
AAL2387 American Airlines 5 2026-06-09
AAL707 American Airlines 4 2026-06-22
AAL702 American Airlines 4 2026-07-22
AAL461 American Airlines 4 2026-05-25
AAL2604 - 4 2026-07-15
AAL2218 American Airlines 4 2026-04-30
AAL2186 - 4 2026-06-22
AAL2172 - 4 2026-07-21
AAL2065 - 4 2026-07-22
AAL1892 American Airlines 4 2026-04-17
AAL1783 - 4 2026-06-28
AAL1711 - 4 2026-07-08
AAL1648 - 4 2026-07-21
AAL1584 - 4 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL2286 PHL → MIA Jul 26, 20:45 UTCJul 26, 21:30 UTC45m
2026-07-26 AAL2286 PHL → MIA Jul 26, 16:15 UTCJul 26, 19:35 UTC3h 20m
2026-07-26 AAL2583 BNA → DFW Jul 26, 12:15 UTCJul 26, 13:40 UTC1h 25m
2026-07-26 AAL1644 MCO → DCA Jul 26, 02:45 UTCJul 26, 03:40 UTC55m
2026-07-25 AAL2790 ORD → AUS Jul 25, 21:26 UTCJul 26, 00:22 UTC2h 56m
2026-07-25 AAL2790 ORD → AUS Jul 25, 16:45 UTCJul 26, 00:25 UTC7h 40m
2026-07-25 AAL609 PHL → CZM Jul 25, 14:10 UTCJul 25, 15:15 UTC1h 5m
2026-07-25 AAL609 PHL → CZM Jul 25, 14:05 UTCJul 25, 15:19 UTC1h 14m
2026-07-24 AAL612 BGI → CLT Jul 24, 22:45 UTCJul 24, 23:55 UTC1h 10m
2026-07-24 AAL1463 JAX → CLT Jul 24, 18:40 UTCJul 24, 20:55 UTC2h 15m
2026-07-24 AAL1463 JAX → CLT Jul 24, 15:20 UTCJul 24, 17:15 UTC1h 55m
2026-07-24 AAL1784 ORD → CLT Jul 24, 11:40 UTCJul 24, 13:00 UTC1h 20m
2026-07-24 AAL2554 PWM → DCA Jul 24, 06:20 UTCJul 24, 09:55 UTC3h 35m
2026-07-24 AAL1430 DFW → SFO Jul 24, 01:35 UTCJul 24, 04:50 UTC3h 15m
2026-07-24 AAL1430 DFW → SFO Jul 24, 01:33 UTCJul 24, 04:49 UTC3h 16m
2026-07-23 AAL420 - Jul 23, 21:25 UTCJul 23, 22:50 UTC1h 25m
2026-07-23 AAL420 - Jul 23, 18:35 UTCJul 23, 20:10 UTC1h 35m
2026-07-23 AAL2216 PDX → DFW Jul 23, 13:45 UTCJul 23, 17:05 UTC3h 20m
2026-07-23 AAL1483 DFW → MTY Jul 23, 01:30 UTCJul 23, 06:45 UTC5h 15m
2026-07-22 AAL2065 MCO → PHL Jul 22, 20:20 UTCJul 22, 22:25 UTC2h 5m
2026-07-22 AAL2065 MCO → PHL Jul 22, 20:17 UTCJul 22, 22:17 UTC2h 0m
2026-07-22 AAL2065 PHL → MCO Jul 22, 16:40 UTCJul 22, 18:45 UTC2h 5m
2026-07-22 AAL3063 - Jul 22, 13:40 UTCJul 22, 14:50 UTC1h 10m
2026-07-22 AAL3063 - Jul 22, 11:20 UTCJul 22, 11:40 UTC20m
2026-07-22 AAL702 DFW → SJU Jul 22, 03:35 UTCJul 22, 03:50 UTC15m
2026-07-21 AAL702 DFW → SJU Jul 21, 23:20 UTCJul 22, 01:55 UTC2h 35m
2026-07-21 AAL1648 - Jul 21, 19:35 UTCJul 21, 21:35 UTC2h 0m
2026-07-21 AAL2990 CLT → BOS Jul 21, 16:15 UTCJul 21, 18:15 UTC2h 0m
2026-07-21 AAL2172 MCO → DFW Jul 21, 12:40 UTCJul 21, 14:55 UTC2h 15m
2026-07-21 AAL2974 DFW → MCO Jul 21, 00:00 UTCJul 21, 02:30 UTC2h 30m
2026-07-20 AAL1415 YVR → DFW Jul 20, 18:50 UTCJul 20, 22:20 UTC3h 30m
2026-07-20 AAL1415 YVR → DFW Jul 20, 13:40 UTCJul 20, 17:15 UTC3h 35m
2026-07-19 AAL777 - Jul 19, 23:55 UTCJul 20, 02:15 UTC2h 20m
2026-07-19 AAL777 - Jul 19, 20:25 UTCJul 19, 22:40 UTC2h 15m
2026-07-19 AAL2222 - Jul 19, 16:35 UTCJul 19, 18:20 UTC1h 45m
2026-07-19 AAL465 MCO → ORD Jul 19, 12:45 UTCJul 19, 15:05 UTC2h 20m
2026-07-18 AAL486 SNA → PHX Jul 18, 23:20 UTCJul 19, 02:10 UTC2h 50m
2026-07-18 AAL2252 - Jul 18, 18:00 UTCJul 18, 21:35 UTC3h 35m
2026-07-18 AAL3086 BNA → PHX Jul 18, 13:10 UTCJul 18, 16:20 UTC3h 10m
2026-07-18 AAL2149 DCA → BOS Jul 18, 07:10 UTCJul 18, 10:55 UTC3h 45m
2026-07-18 AAL3204 PHX → LAX Jul 18, 04:00 UTCJul 18, 04:58 UTC58m
2026-07-18 AAL3204 - Jul 18, 04:00 UTCJul 18, 05:00 UTC1h 0m
2026-07-17 AAL1984 SJC → CLT Jul 17, 21:44 UTCJul 18, 02:19 UTC4h 35m
2026-07-17 AAL1984 SJC → CLT Jul 17, 21:41 UTCJul 18, 02:19 UTC4h 38m
2026-07-17 AAL2641 PHL → PHL Jul 17, 11:30 UTCJul 17, 19:35 UTC8h 5m
2026-07-17 AAL3242 SMF → LAX Jul 17, 01:35 UTCJul 17, 04:20 UTC2h 45m
2026-07-16 AAL2014 PPM → DFW Jul 16, 20:55 UTCJul 16, 23:35 UTC2h 40m
2026-07-16 AAL2014 DFW → FLL Jul 16, 17:20 UTCJul 16, 19:45 UTC2h 25m
2026-07-16 AAL1025 - Jul 16, 14:10 UTCJul 16, 15:30 UTC1h 20m
2026-07-16 AAL1025 TUS → DFW Jul 16, 14:05 UTCJul 16, 15:59 UTC1h 54m

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 N125AA page for operator, model, and routing details .

Mode-S A06646 frequently asked

What is Mode-S code A06646?
A06646 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N125AA.
Where is Mode-S A06646 registered?
Mode-S code A06646 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 A06646 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A06646, octal 50063106, decimal 10,511,942.
What flights does A06646 operate?
Mode-S A06646 has broadcast 20 distinct callsigns, including AAL2516, AAL2791, AAL3320, AAL2325, AAL1120.