Apparatus

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sensors Mode-S transponder

ACAD02

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N916AN · BOEING 737-800 · operated by AMERICAN AIRLINES INC

Hex
ACAD02
Octal
53126402
Decimal
11,316,482
Country
US
Tail
N916AN
Type
B738
No current signal · last broadcast 5h ago
Flights observed
465
Distinct callsigns
20
Country
US
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S ACAD02.

Country allocation

The ICAO 24-bit address ACAD02 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
AAL603 - 8 2026-07-05
AAL2244 American Airlines 7 2026-04-18
AAL2918 American Airlines 5 2026-04-14
AAL2491 - 5 2026-06-28
AAL1918 - 5 2026-07-04
AAL158 - 5 2026-07-05
AAL544 American Airlines 4 2026-05-19
AAL518 American Airlines 4 2026-05-21
AAL462 - 4 2026-06-29
AAL3109 American Airlines 4 2026-06-07
AAL2972 American Airlines 4 2026-04-20
AAL2285 American Airlines 4 2026-05-21
AAL2079 - 4 2026-06-26
AAL1904 American Airlines 4 2026-05-07
AAL1238 - 4 2026-07-09
AAL1194 - 4 2026-07-09
AAL1111 American Airlines 4 2026-05-15
AAL1089 - 4 2026-06-17
AAL9 - 3 2026-07-13
AAL726 American Airlines 3 2026-04-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AAL789 DFW → AUS Jul 14, 02:12 UTCJul 14, 02:45 UTC33m
2026-07-14 AAL789 DFW → AUS Jul 14, 02:15 UTCJul 14, 02:45 UTC30m
2026-07-13 AAL9 - Jul 13, 22:25 UTCJul 13, 23:50 UTC1h 25m
2026-07-13 AAL9 ABQ → DFW Jul 13, 22:25 UTCJul 13, 23:46 UTC1h 21m
2026-07-13 AAL9 DFW → ABQ Jul 13, 19:50 UTCJul 13, 21:10 UTC1h 20m
2026-07-13 AAL2814 - Jul 13, 16:00 UTCJul 13, 16:30 UTC30m
2026-07-13 AAL2814 TPA → DFW Jul 13, 15:58 UTCJul 13, 18:26 UTC2h 28m
2026-07-13 AAL2814 DFW → TPA Jul 13, 12:40 UTCJul 13, 14:50 UTC2h 10m
2026-07-13 AAL2320 - Jul 13, 03:05 UTCJul 13, 04:50 UTC1h 45m
2026-07-13 AAL2320 PNS → DFW Jul 13, 03:04 UTCJul 13, 04:44 UTC1h 40m
2026-07-13 AAL2320 - Jul 13, 00:10 UTCJul 13, 01:45 UTC1h 35m
2026-07-12 AAL394 - Jul 12, 19:30 UTCJul 12, 21:55 UTC2h 25m
2026-07-12 AAL393 - Jul 12, 15:35 UTCJul 12, 17:45 UTC2h 10m
2026-07-12 AAL393 DFW → MEX Jul 12, 15:34 UTCJul 12, 17:40 UTC2h 6m
2026-07-12 AAL3095 - Jul 12, 13:05 UTCJul 12, 14:01 UTC55m
2026-07-12 AAL531 - Jul 12, 05:05 UTCJul 12, 06:20 UTC1h 15m
2026-07-12 AAL531 DFW → TUL Jul 12, 05:05 UTCJul 12, 06:21 UTC1h 16m
2026-07-12 AAL2519 - Jul 12, 01:20 UTCJul 12, 03:25 UTC2h 5m
2026-07-11 AAL2519 - Jul 11, 22:20 UTCJul 12, 00:05 UTC1h 45m
2026-07-11 AAL1397 AUS → DFW Jul 11, 20:00 UTCJul 11, 20:50 UTC50m
2026-07-11 AAL2578 AUS → AUS Jul 11, 12:30 UTCJul 11, 18:00 UTC5h 30m
2026-07-11 AAL3026 JFK → AUS Jul 11, 00:55 UTCJul 11, 04:10 UTC3h 15m
2026-07-10 AAL1049 - Jul 10, 20:05 UTCJul 10, 23:15 UTC3h 10m
2026-07-10 AAL1049 DFW → JFK Jul 10, 20:00 UTCJul 10, 23:04 UTC3h 4m
2026-07-10 AAL1680 - Jul 10, 16:05 UTCJul 10, 18:35 UTC2h 30m
2026-07-10 AAL1680 DFW → CLE Jul 10, 12:35 UTCJul 10, 14:50 UTC2h 15m
2026-07-10 AAL2563 AUS → DFW Jul 10, 10:10 UTCJul 10, 10:54 UTC44m
2026-07-10 AAL2563 AUS → DFW Jul 10, 10:10 UTCJul 10, 11:00 UTC50m
2026-07-10 AAL691 PHX → AUS Jul 10, 03:20 UTCJul 10, 05:20 UTC2h 0m
2026-07-09 AAL441 - Jul 9, 21:30 UTCJul 10, 01:40 UTC4h 10m
2026-07-09 AAL441 FLL → PHX Jul 9, 21:26 UTCJul 10, 01:39 UTC4h 13m
2026-07-09 AAL550 - Jul 9, 15:55 UTCJul 9, 19:55 UTC4h 0m
2026-07-09 AAL1194 - Jul 9, 13:30 UTCJul 9, 14:20 UTC50m
2026-07-09 AAL1194 ONT → PHX Jul 9, 13:26 UTCJul 9, 14:18 UTC52m
2026-07-09 AAL1238 PHX → ONT Jul 9, 04:01 UTCJul 9, 04:49 UTC48m
2026-07-09 AAL1238 - Jul 9, 04:05 UTCJul 9, 04:30 UTC25m
2026-07-08 AAL441 - Jul 8, 21:25 UTCJul 9, 01:35 UTC4h 10m
2026-07-08 AAL550 PHX → FLL Jul 8, 15:45 UTCJul 8, 19:50 UTC4h 5m
2026-07-08 AAL1194 - Jul 8, 13:25 UTCJul 8, 14:20 UTC55m
2026-07-08 AAL1194 ONT → PHX Jul 8, 13:24 UTCJul 8, 14:22 UTC58m
2026-07-08 AAL1238 PHX → ONT Jul 8, 03:50 UTCJul 8, 04:45 UTC55m
2026-07-08 AAL1238 PHX → ONT Jul 8, 03:46 UTCJul 8, 04:36 UTC50m
2026-07-07 AAL3078 - Jul 7, 23:00 UTCJul 8, 02:05 UTC3h 5m
2026-07-07 AAL1899 - Jul 7, 17:55 UTCJul 7, 21:35 UTC3h 40m
2026-07-07 AAL1892 - Jul 7, 15:20 UTCJul 7, 16:15 UTC55m
2026-07-07 AAL1829 - Jul 7, 04:50 UTCJul 7, 05:55 UTC1h 5m
2026-07-07 AAL1829 FAT → PHX Jul 7, 04:40 UTCJul 7, 05:53 UTC1h 13m
2026-07-07 AAL1223 - Jul 7, 00:45 UTCJul 7, 03:35 UTC2h 50m
2026-07-06 AAL2276 - Jul 6, 19:30 UTCJul 6, 22:45 UTC3h 15m
2026-07-06 AAL2276 - Jul 6, 14:45 UTCJul 6, 17:10 UTC2h 25m

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 N916AN page for operator, model, and routing details .

Mode-S ACAD02 frequently asked

What is Mode-S code ACAD02?
ACAD02 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N916AN.
Where is Mode-S ACAD02 registered?
Mode-S code ACAD02 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 ACAD02 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACAD02, octal 53126402, decimal 11,316,482.
What flights does ACAD02 operate?
Mode-S ACAD02 has broadcast 20 distinct callsigns, including AAL603, AAL2244, AAL2918, AAL2491, AAL1918.