sensors Mode-S transponder

ACA594

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N914AN · BOEING 737-800 · operated by AMERICAN AIRLINES INC

Hex
ACA594
Octal
53122624
Decimal
11,314,580
Country
US
Tail
N914AN
Type
B738
No current signal · last broadcast Jul 26, 23:00 UTC
Flights observed
527
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 23:00 UTC

Last known position

Most recent position reported by Mode-S ACA594.

Country allocation

The ICAO 24-bit address ACA594 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
AAL2986 American Airlines 5 2026-05-10
AAL874 American Airlines 4 2026-05-03
AAL3300 American Airlines 4 2026-06-13
AAL310 American Airlines 4 2026-07-04
AAL2847 American Airlines 4 2026-04-24
AAL2254 American Airlines 4 2026-04-24
AAL2217 - 4 2026-07-10
AAL2178 - 4 2026-07-04
AAL2135 American Airlines 4 2026-07-24
AAL2039 - 4 2026-07-13
AAL2001 - 4 2026-06-14
AAL1908 American Airlines 4 2026-05-17
AAL1786 - 4 2026-07-17
AAL1548 American Airlines 4 2026-06-14
AAL1393 American Airlines 4 2026-04-24
AAL1164 American Airlines 4 2026-06-30
AAL1013 - 4 2026-06-22
AAL680 American Airlines 3 2026-05-31
AAL578P - 3 2026-07-06
AAL482 American Airlines 3 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL3148 SLC → CLT Jul 26, 20:15 UTCJul 26, 23:00 UTC2h 45m
2026-07-26 AAL2258 LAS → ORD Jul 26, 14:35 UTCJul 26, 17:45 UTC3h 10m
2026-07-26 AAL2258 LAS → ORD Jul 26, 14:34 UTCJul 26, 17:45 UTC3h 11m
2026-07-26 AAL2025 DCA → LGA Jul 26, 01:35 UTCJul 26, 05:50 UTC4h 15m
2026-07-25 AAL920 CLO → MIA Jul 25, 20:15 UTCJul 25, 21:00 UTC45m
2026-07-25 AAL920 CLO → MIA Jul 25, 20:04 UTCJul 25, 23:43 UTC3h 39m
2026-07-25 AAL919 MIA → CLO Jul 25, 15:12 UTCJul 25, 18:40 UTC3h 28m
2026-07-25 AAL919 MIA → CLO Jul 25, 15:15 UTCJul 25, 18:25 UTC3h 10m
2026-07-25 AAL1342 PHL → PHX Jul 25, 10:50 UTCJul 25, 12:40 UTC1h 50m
2026-07-25 AAL2750 MCO → PHX Jul 25, 03:35 UTCJul 25, 05:00 UTC1h 25m
2026-07-25 AAL2337 CMH → DFW Jul 25, 00:15 UTCJul 25, 02:20 UTC2h 5m
2026-07-24 AAL2337 CMH → DFW Jul 24, 21:05 UTCJul 24, 23:00 UTC1h 55m
2026-07-24 AAL2135 PWM → PHL Jul 24, 17:30 UTCJul 24, 19:25 UTC1h 55m
2026-07-24 AAL2135 PWM → PHL Jul 24, 14:05 UTCJul 24, 16:00 UTC1h 55m
2026-07-24 AAL656 SJU → MIA Jul 24, 10:25 UTCJul 24, 10:55 UTC30m
2026-07-24 AAL1458 DFW → OKC Jul 24, 03:30 UTCJul 24, 04:15 UTC45m
2026-07-23 AAL1868 PIT → DFW Jul 23, 23:45 UTCJul 24, 02:05 UTC2h 20m
2026-07-23 AAL1868 PIT → DFW Jul 23, 20:10 UTCJul 23, 22:40 UTC2h 30m
2026-07-23 AAL1601 CUN → DFW Jul 23, 16:10 UTCJul 23, 18:30 UTC2h 20m
2026-07-23 AAL1343 DFW → CUN Jul 23, 12:30 UTCJul 23, 14:50 UTC2h 20m
2026-07-23 AAL1343 DFW → CUN Jul 23, 12:29 UTCJul 23, 14:49 UTC2h 20m
2026-07-23 AAL808 DFW → PHL Jul 23, 00:55 UTCJul 23, 03:50 UTC2h 55m
2026-07-22 AAL1331 DFW → SNA Jul 22, 20:15 UTCJul 22, 22:30 UTC2h 15m
2026-07-22 AAL1101 BOS → AUS Jul 22, 15:40 UTCJul 22, 18:10 UTC2h 30m
2026-07-22 AAL3095 ORD → CLT Jul 22, 12:55 UTCJul 22, 13:40 UTC45m
2026-07-22 AAL3095 ORD → CLT Jul 22, 12:52 UTCJul 22, 13:39 UTC47m
2026-07-21 AAL2662 - Jul 21, 22:40 UTCJul 22, 00:35 UTC1h 55m
2026-07-21 AAL3126 MCO → CLT Jul 21, 18:25 UTCJul 21, 19:00 UTC35m
2026-07-21 AAL3126 MCO → CLT Jul 21, 18:02 UTCJul 21, 19:45 UTC1h 43m
2026-07-21 AAL3126 MCO → CLT Jul 21, 15:15 UTCJul 21, 16:35 UTC1h 20m
2026-07-21 AAL1585 - Jul 21, 10:20 UTCJul 21, 12:00 UTC1h 40m
2026-07-21 AAL1585 PVD → CLT Jul 21, 10:17 UTCJul 21, 11:59 UTC1h 42m
2026-07-21 AAL2566 LGA → ORD Jul 21, 02:30 UTCJul 21, 04:05 UTC1h 35m
2026-07-20 AAL2586 CLT → BGI Jul 20, 20:25 UTCJul 20, 23:50 UTC3h 25m
2026-07-20 AAL2586 CLT → BGI Jul 20, 19:35 UTCJul 20, 19:50 UTC15m
2026-07-20 AAL1263 ORD → LGA Jul 20, 13:50 UTCJul 20, 17:55 UTC4h 5m
2026-07-20 AAL1263 ORD → LGA Jul 20, 13:47 UTCJul 20, 17:52 UTC4h 5m
2026-07-20 AAL3230 DFW → XNA Jul 20, 10:15 UTCJul 20, 11:30 UTC1h 15m
2026-07-20 AAL3230 DFW → XNA Jul 20, 10:10 UTCJul 20, 11:29 UTC1h 19m
2026-07-20 AAL3113 - Jul 20, 03:15 UTCJul 20, 04:40 UTC1h 25m
2026-07-20 AAL1573 - Jul 20, 00:10 UTCJul 20, 01:50 UTC1h 40m
2026-07-19 AAL1573 - Jul 19, 21:05 UTCJul 19, 22:50 UTC1h 45m
2026-07-19 AAL2297 - Jul 19, 17:50 UTCJul 19, 19:25 UTC1h 35m
2026-07-19 AAL3020 STX → MIA Jul 19, 13:45 UTCJul 19, 16:20 UTC2h 35m
2026-07-19 AAL3020 - Jul 19, 13:55 UTCJul 19, 16:10 UTC2h 15m
2026-07-18 AAL2755 - Jul 18, 22:40 UTCJul 19, 00:50 UTC2h 10m
2026-07-18 AAL2755 MIA → STX Jul 18, 22:38 UTCJul 19, 00:58 UTC2h 20m
2026-07-18 AAL1124 - Jul 18, 18:50 UTCJul 18, 21:10 UTC2h 20m
2026-07-18 AAL1124 BAQ → MIA Jul 18, 18:47 UTCJul 18, 21:07 UTC2h 20m
2026-07-18 AAL1125 - Jul 18, 15:10 UTCJul 18, 17:25 UTC2h 15m

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 N914AN page for operator, model, and routing details .

Mode-S ACA594 frequently asked

What is Mode-S code ACA594?
ACA594 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N914AN.
Where is Mode-S ACA594 registered?
Mode-S code ACA594 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 ACA594 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 23:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACA594, octal 53122624, decimal 11,314,580.
What flights does ACA594 operate?
Mode-S ACA594 has broadcast 20 distinct callsigns, including AAL2986, AAL874, AAL3300, AAL310, AAL2847.