sensors Mode-S transponder

A0FAF3

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N162UW · AIRBUS A-321 · operated by AMERICAN AIRLINES INC

Hex
A0FAF3
Octal
50175363
Decimal
10,550,003
Country
US
Tail
N162UW
Type
A321
No current signal · last broadcast 2d ago
Flights observed
407
Distinct callsigns
20
Country
US
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S A0FAF3.

Country allocation

The ICAO 24-bit address A0FAF3 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
AAL1811 - 7 2026-06-24
AAL1999 - 6 2026-06-21
AAL446 American Airlines 5 2026-06-02
AAL1952 - 5 2026-07-13
AAL808 American Airlines 4 2026-05-03
AAL2881 American Airlines 4 2026-04-18
AAL2302 American Airlines 4 2026-05-17
AAL1758 American Airlines 4 2026-06-09
AAL1756 American Airlines 4 2026-06-01
AAL1651 - 4 2026-06-20
AAL1311 - 4 2026-07-15
AAL990 American Airlines 3 2026-05-20
AAL840 American Airlines 3 2026-04-24
AAL605 American Airlines 3 2026-04-19
AAL487 American Airlines 3 2026-05-12
AAL3180 - 3 2026-06-29
AAL2947 - 3 2026-07-12
AAL2902 - 3 2026-07-07
AAL2859 American Airlines 3 2026-05-01
AAL2759 American Airlines 3 2026-05-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 AAL1311 - Jul 15, 17:05 UTCJul 15, 18:15 UTC1h 10m
2026-07-15 AAL1311 PHL → PHL Jul 15, 16:40 UTCJul 15, 16:45 UTC5m
2026-07-15 AAL2291 - Jul 15, 14:30 UTCJul 15, 15:50 UTC1h 20m
2026-07-13 AAL1952 - Jul 13, 14:20 UTCJul 13, 18:50 UTC4h 30m
2026-07-13 AAL1084 - Jul 13, 03:55 UTCJul 13, 06:25 UTC2h 30m
2026-07-12 AAL2947 - Jul 12, 22:40 UTCJul 13, 01:35 UTC2h 55m
2026-07-12 AAL2947 PHL → PHL Jul 12, 21:45 UTCJul 12, 21:50 UTC5m
2026-07-12 AAL2947 DFW → PHL Jul 12, 17:25 UTCJul 12, 20:15 UTC2h 50m
2026-07-12 AAL1276 - Jul 12, 13:25 UTCJul 12, 15:50 UTC2h 25m
2026-07-12 AAL1276 CLT → DFW Jul 12, 13:21 UTCJul 12, 15:39 UTC2h 18m
2026-07-12 AAL1229 - Jul 12, 00:55 UTCJul 12, 02:55 UTC2h 0m
2026-07-11 AAL1199 - Jul 11, 20:10 UTCJul 11, 22:45 UTC2h 35m
2026-07-11 AAL1199 MIA → DFW Jul 11, 20:10 UTCJul 11, 22:40 UTC2h 30m
2026-07-11 AAL899 DFW → MIA Jul 11, 16:15 UTCJul 11, 18:40 UTC2h 25m
2026-07-11 AAL1655 PHX → DFW Jul 11, 12:55 UTCJul 11, 15:00 UTC2h 5m
2026-07-11 AAL1655 PHX → DFW Jul 11, 12:52 UTCJul 11, 14:50 UTC1h 58m
2026-07-10 AAL1133 - Jul 10, 02:30 UTCJul 10, 04:25 UTC1h 55m
2026-07-10 AAL1133 DFW → PHX Jul 10, 02:29 UTCJul 10, 04:22 UTC1h 53m
2026-07-09 AAL1079 PHX → DFW Jul 9, 22:45 UTCJul 10, 00:50 UTC2h 5m
2026-07-09 AAL3079 ORD → PHX Jul 9, 18:35 UTCJul 9, 21:40 UTC3h 5m
2026-07-07 AAL2786 - Jul 7, 22:45 UTCJul 8, 01:50 UTC3h 5m
2026-07-07 AAL2902 - Jul 7, 17:40 UTCJul 7, 21:20 UTC3h 40m
2026-07-07 AAL98R - Jul 7, 15:10 UTCJul 7, 16:25 UTC1h 15m
2026-07-04 AAL2082 - Jul 4, 19:10 UTCJul 4, 20:20 UTC1h 10m
2026-07-04 AAL2082 CLT → MCO Jul 4, 19:05 UTCJul 4, 20:16 UTC1h 11m
2026-07-04 AAL2487 - Jul 4, 15:00 UTCJul 4, 17:20 UTC2h 20m
2026-07-04 AAL2487 - Jul 4, 11:15 UTCJul 4, 13:40 UTC2h 25m
2026-07-04 AAL1170 - Jul 4, 05:25 UTCJul 4, 10:00 UTC4h 35m
2026-07-03 AAL685 DFW → PDX Jul 3, 22:25 UTCJul 4, 02:00 UTC3h 35m
2026-07-03 AAL2359 ORD → SEA Jul 3, 19:35 UTCJul 3, 20:45 UTC1h 10m
2026-07-03 AAL2359 ORD → SEA Jul 3, 19:32 UTCJul 3, 21:01 UTC1h 29m
2026-07-03 AAL2359 ORD → SEA Jul 3, 16:05 UTCJul 3, 18:05 UTC2h 0m
2026-07-03 AAL2078 DEN → DFW Jul 3, 12:40 UTCJul 3, 14:20 UTC1h 40m
2026-07-03 AAL662 DFW → DEN Jul 3, 04:30 UTCJul 3, 06:00 UTC1h 30m
2026-07-03 AAL662 DFW → DEN Jul 3, 04:28 UTCJul 3, 05:57 UTC1h 29m
2026-07-02 AAL1577 BOS → DFW Jul 2, 22:30 UTCJul 3, 01:45 UTC3h 15m
2026-07-02 AAL1577 DFW → BOS Jul 2, 17:45 UTCJul 2, 21:00 UTC3h 15m
2026-07-02 AAL2521 YYC → DFW Jul 2, 12:55 UTCJul 2, 16:15 UTC3h 20m
2026-07-02 AAL2521 YYC → DFW Jul 2, 12:55 UTCJul 2, 16:13 UTC3h 18m
2026-07-02 AAL511 DFW → YYC Jul 2, 01:55 UTCJul 2, 05:05 UTC3h 10m
2026-07-02 AAL511 DFW → YYC Jul 2, 01:51 UTCJul 2, 05:05 UTC3h 14m
2026-07-01 AAL277 MIA → LAX Jul 1, 21:05 UTCJul 1, 23:40 UTC2h 35m
2026-07-01 AAL277 MIA → LAX Jul 1, 17:20 UTCJul 1, 19:45 UTC2h 25m
2026-07-01 AAL1692 - Jul 1, 12:40 UTCJul 1, 15:55 UTC3h 15m
2026-07-01 AAL1188 - Jul 1, 05:35 UTCJul 1, 09:30 UTC3h 55m
2026-07-01 AAL1133 DFW → PHX Jul 1, 01:45 UTCJul 1, 03:50 UTC2h 5m
2026-06-30 AAL1885 - Jun 30, 20:00 UTCJun 30, 23:10 UTC3h 10m
2026-06-30 AAL1885 DFW → GEG Jun 30, 15:40 UTCJun 30, 18:45 UTC3h 5m
2026-06-29 AAL3180 - Jun 29, 10:29 UTCJun 29, 12:45 UTC2h 15m
2026-06-29 AAL3180 CLT → DFW Jun 29, 10:24 UTCJun 29, 12:40 UTC2h 16m

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 N162UW page for operator, model, and routing details .

Mode-S A0FAF3 frequently asked

What is Mode-S code A0FAF3?
A0FAF3 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N162UW.
Where is Mode-S A0FAF3 registered?
Mode-S code A0FAF3 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 A0FAF3 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A0FAF3, octal 50175363, decimal 10,550,003.
What flights does A0FAF3 operate?
Mode-S A0FAF3 has broadcast 20 distinct callsigns, including AAL1811, AAL1999, AAL446, AAL1952, AAL808.