sensors Mode-S transponder

AC8CF1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N908AN · BOEING 737-800 · operated by AMERICAN AIRLINES INC

Hex
AC8CF1
Octal
53106361
Decimal
11,308,273
Country
US
Tail
N908AN
Type
B738
No current signal · last broadcast 1h ago
Flights observed
448
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S AC8CF1.

Country allocation

The ICAO 24-bit address AC8CF1 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
AAL3165 - 7 2026-07-17
AAL1819 - 7 2026-06-28
AAL2449 American Airlines 6 2026-05-23
AAL2731 American Airlines 4 2026-06-11
AAL2660 American Airlines 4 2026-05-20
AAL2582 American Airlines 4 2026-06-09
AAL2510 American Airlines 4 2026-05-24
AAL1695 - 4 2026-07-11
AAL1383 - 4 2026-07-09
AAL1254 - 4 2026-07-07
AAL1013 - 4 2026-07-13
AAL874 - 3 2026-06-23
AAL707 American Airlines 3 2026-05-16
AAL650 - 3 2026-06-17
AAL421 - 3 2026-06-22
AAL3069 American Airlines 3 2026-04-20
AAL2873 American Airlines 3 2026-06-07
AAL2862 American Airlines 3 2026-05-03
AAL2572 - 3 2026-06-20
AAL2569 - 3 2026-06-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 AAL2511 - Jul 18, 01:10 UTCJul 18, 01:30 UTC20m
2026-07-17 AAL1260 - Jul 17, 21:05 UTCJul 17, 21:34 UTC30m
2026-07-17 AAL1260 ANU → MIA Jul 17, 18:34 UTCJul 17, 21:31 UTC2h 57m
2026-07-17 AAL2580 PHX → BNA Jul 17, 14:30 UTCJul 17, 19:25 UTC4h 55m
2026-07-17 AAL1252 - Jul 17, 10:35 UTCJul 17, 12:45 UTC2h 10m
2026-07-17 AAL2188 - Jul 17, 04:10 UTCJul 17, 06:25 UTC2h 15m
2026-07-17 AAL3165 - Jul 17, 01:05 UTCJul 17, 01:45 UTC40m
2026-07-16 AAL3165 - Jul 16, 23:20 UTCJul 16, 23:29 UTC10m
2026-07-16 AAL3165 - Jul 16, 19:50 UTCJul 16, 20:05 UTC15m
2026-07-16 AAL1627 DCA → MIA Jul 16, 16:21 UTCJul 16, 18:30 UTC2h 9m
2026-07-16 AAL1627 DCA → MIA Jul 16, 16:25 UTCJul 16, 18:25 UTC2h 0m
2026-07-16 AAL2345 - Jul 16, 13:05 UTCJul 16, 14:35 UTC1h 30m
2026-07-15 AAL1893 DFW → ORD Jul 15, 22:50 UTCJul 16, 00:40 UTC1h 50m
2026-07-15 AAL1492 - Jul 15, 19:10 UTCJul 15, 21:10 UTC2h 0m
2026-07-15 AAL1492 - Jul 15, 16:05 UTCJul 15, 18:10 UTC2h 5m
2026-07-15 AAL2331 - Jul 15, 11:20 UTCJul 15, 13:35 UTC2h 15m
2026-07-14 AAL560 DFW → CLE Jul 14, 23:45 UTCJul 15, 02:05 UTC2h 20m
2026-07-14 AAL3062 - Jul 14, 20:20 UTCJul 14, 21:35 UTC1h 15m
2026-07-14 AAL3062 - Jul 14, 18:35 UTCJul 14, 18:45 UTC10m
2026-07-14 AAL1641 - Jul 14, 15:00 UTCJul 14, 16:15 UTC1h 15m
2026-07-14 AAL1641 MIA → GUA Jul 14, 14:58 UTCJul 14, 17:08 UTC2h 10m
2026-07-14 AAL1020 - Jul 14, 10:10 UTCJul 14, 12:45 UTC2h 35m
2026-07-14 AAL1020 DTW → MIA Jul 14, 10:07 UTCJul 14, 12:41 UTC2h 34m
2026-07-14 AAL2649 - Jul 14, 01:25 UTCJul 14, 04:15 UTC2h 50m
2026-07-14 AAL2649 MIA → DTW Jul 14, 01:22 UTCJul 14, 03:56 UTC2h 34m
2026-07-13 AAL1182 - Jul 13, 20:40 UTCJul 13, 22:50 UTC2h 10m
2026-07-13 AAL1182 GUA → MIA Jul 13, 20:39 UTCJul 13, 22:50 UTC2h 11m
2026-07-13 AAL1013 - Jul 13, 19:20 UTCJul 13, 19:30 UTC10m
2026-07-13 AAL1013 - Jul 13, 16:45 UTCJul 13, 17:45 UTC1h 0m
2026-07-13 AAL99 ABQ → DFW Jul 13, 13:15 UTCJul 13, 14:30 UTC1h 15m
2026-07-13 AAL2564 DFW → ABQ Jul 13, 05:55 UTCJul 13, 07:15 UTC1h 20m
2026-07-13 AAL1356 - Jul 13, 02:40 UTCJul 13, 03:30 UTC50m
2026-07-12 AAL1356 - Jul 12, 21:10 UTCJul 13, 00:40 UTC3h 30m
2026-07-12 AAL1356 - Jul 12, 17:20 UTCJul 12, 19:40 UTC2h 20m
2026-07-12 AAL1189 TPA → DFW Jul 12, 13:15 UTCJul 12, 15:25 UTC2h 10m
2026-07-12 AAL1376 - Jul 12, 01:10 UTCJul 12, 03:20 UTC2h 10m
2026-07-12 AAL1376 DFW → TPA Jul 12, 01:07 UTCJul 12, 03:17 UTC2h 10m
2026-07-11 AAL1695 COS → DFW Jul 11, 22:25 UTCJul 11, 23:45 UTC1h 20m
2026-07-11 AAL1695 DFW → COS Jul 11, 19:40 UTCJul 11, 21:05 UTC1h 25m
2026-07-11 AAL1413 AUS → DFW Jul 11, 17:45 UTCJul 11, 18:30 UTC45m
2026-07-11 AAL1413 DFW → AUS Jul 11, 15:55 UTCJul 11, 16:30 UTC35m
2026-07-11 AAL1432 - Jul 11, 12:40 UTCJul 11, 14:20 UTC1h 40m
2026-07-11 AAL2071 DFW → QRO Jul 11, 03:36 UTCJul 11, 05:30 UTC1h 54m
2026-07-11 AAL2071 - Jul 11, 03:40 UTCJul 11, 05:15 UTC1h 35m
2026-07-10 AAL2265 ORF → DFW Jul 10, 23:20 UTCJul 11, 02:20 UTC3h 0m
2026-07-10 AAL2265 - Jul 10, 19:10 UTCJul 10, 22:10 UTC3h 0m
2026-07-10 AAL602 - Jul 10, 16:40 UTCJul 10, 17:50 UTC1h 10m
2026-07-10 AAL602 - Jul 10, 14:20 UTCJul 10, 15:30 UTC1h 10m
2026-07-10 AAL2789 - Jul 10, 10:00 UTCJul 10, 12:10 UTC2h 10m
2026-07-10 AAL2506 - Jul 10, 02:10 UTCJul 10, 04:15 UTC2h 5m

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 N908AN page for operator, model, and routing details .

Mode-S AC8CF1 frequently asked

What is Mode-S code AC8CF1?
AC8CF1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N908AN.
Where is Mode-S AC8CF1 registered?
Mode-S code AC8CF1 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 AC8CF1 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC8CF1, octal 53106361, decimal 11,308,273.
What flights does AC8CF1 operate?
Mode-S AC8CF1 has broadcast 20 distinct callsigns, including AAL3165, AAL1819, AAL2449, AAL2731, AAL2660.