sensors Mode-S transponder

AC8A66

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N907NN · BOEING 737-800 · operated by WILMINGTON TRUST CO TRUSTEE

Hex
AC8A66
Octal
53105146
Decimal
11,307,622
Country
US
Tail
N907NN
Type
B738
No current signal · last broadcast 8h ago
Flights observed
410
Distinct callsigns
20
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S AC8A66.

Country allocation

The ICAO 24-bit address AC8A66 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
AAL1894 American Airlines 9 2026-06-07
AAL2379 American Airlines 5 2026-05-09
AAL1975 American Airlines 5 2026-07-08
AAL1572 American Airlines 5 2026-05-04
AAL1565 American Airlines 5 2026-05-09
AAL1230 American Airlines 5 2026-05-05
AAL2336 - 4 2026-04-17
AAL2118 American Airlines 4 2026-06-05
AAL1047 American Airlines 4 2026-04-18
AAL903 American Airlines 3 2026-05-11
AAL606 - 3 2026-07-12
AAL3258 American Airlines 3 2026-05-13
AAL3238 - 3 2026-06-19
AAL3074 American Airlines 3 2026-04-13
AAL3048 American Airlines 3 2026-04-28
AAL2877 - 3 2026-06-29
AAL2851 American Airlines 3 2026-06-07
AAL2707 American Airlines 3 2026-05-06
AAL2576 American Airlines 3 2026-06-29
AAL2484 - 3 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 AAL610 DFW → LGA Jul 13, 21:35 UTCJul 14, 00:55 UTC3h 20m
2026-07-13 AAL891 ATL → DFW Jul 13, 17:35 UTCJul 13, 20:05 UTC2h 30m
2026-07-13 AAL891 DFW → ATL Jul 13, 14:40 UTCJul 13, 16:25 UTC1h 45m
2026-07-12 AAL2366 - Jul 12, 15:55 UTCJul 12, 18:25 UTC2h 30m
2026-07-12 AAL2366 DFW → RDU Jul 12, 12:20 UTCJul 12, 14:30 UTC2h 10m
2026-07-12 AAL606 JFK → DFW Jul 12, 02:10 UTCJul 12, 05:15 UTC3h 5m
2026-07-11 AAL763 AUS → JFK Jul 11, 16:15 UTCJul 11, 19:35 UTC3h 20m
2026-07-11 AAL763 JFK → AUS Jul 11, 11:10 UTCJul 11, 14:40 UTC3h 30m
2026-07-10 AAL1224 PHX → JFK Jul 10, 21:25 UTCJul 11, 01:55 UTC4h 30m
2026-07-10 AAL1769 JFK → PHX Jul 10, 13:40 UTCJul 10, 18:25 UTC4h 45m
2026-07-09 AAL578 DFW → JFK Jul 9, 21:32 UTCJul 10, 01:24 UTC3h 52m
2026-07-09 AAL578 DFW → JFK Jul 9, 21:35 UTCJul 10, 01:25 UTC3h 50m
2026-07-09 AAL877 DFW → DFW Jul 9, 13:40 UTCJul 9, 19:05 UTC5h 25m
2026-07-08 AAL1975 BDL → CLT Jul 8, 16:10 UTCJul 8, 18:15 UTC2h 5m
2026-07-08 AAL1975 BDL → CLT Jul 8, 12:55 UTCJul 8, 14:55 UTC2h 0m
2026-07-07 AAL2870 - Jul 7, 22:00 UTCJul 8, 00:05 UTC2h 5m
2026-07-07 AAL2870 - Jul 7, 18:00 UTCJul 7, 20:00 UTC2h 0m
2026-07-07 AAL204R - Jul 7, 13:30 UTCJul 7, 16:15 UTC2h 45m
2026-07-05 AAL2808 - Jul 5, 23:40 UTCJul 6, 02:35 UTC2h 55m
2026-07-05 AAL1868 - Jul 5, 19:35 UTCJul 5, 22:10 UTC2h 35m
2026-07-05 AAL602 - Jul 5, 16:45 UTCJul 5, 18:05 UTC1h 20m
2026-07-05 AAL602 - Jul 5, 14:10 UTCJul 5, 15:15 UTC1h 5m
2026-07-05 AAL1108 - Jul 5, 09:45 UTCJul 5, 12:05 UTC2h 20m
2026-07-04 AAL1793 CLT → MSY Jul 4, 17:15 UTCJul 4, 19:20 UTC2h 5m
2026-07-01 AAL808 - Jul 1, 00:40 UTCJul 1, 03:25 UTC2h 45m
2026-07-01 AAL808 PHL → DFW Jul 1, 00:39 UTCJul 1, 03:19 UTC2h 40m
2026-06-30 AAL2838 - Jun 30, 20:20 UTCJun 30, 22:45 UTC2h 25m
2026-06-30 AAL2838 - Jun 30, 16:45 UTCJun 30, 19:10 UTC2h 25m
2026-06-30 AAL2561 - Jun 30, 12:15 UTCJun 30, 15:10 UTC2h 55m
2026-06-30 AAL2357 PHX → IAH Jun 30, 02:36 UTCJun 30, 04:42 UTC2h 6m
2026-06-30 AAL2357 - Jun 30, 02:40 UTCJun 30, 04:45 UTC2h 5m
2026-06-29 AAL3186 LAS → PHX Jun 29, 23:39 UTCJun 30, 00:25 UTC45m
2026-06-29 AAL2877 ORD → LAS Jun 29, 19:00 UTCJun 29, 22:30 UTC3h 30m
2026-06-29 AAL2765 PHX → ORD Jun 29, 14:35 UTCJun 29, 17:24 UTC2h 49m
2026-06-29 AAL2765 - Jun 29, 14:34 UTCJun 29, 17:30 UTC2h 55m
2026-06-29 AAL2576 LGA → RDU Jun 29, 02:42 UTCJun 29, 04:06 UTC1h 24m
2026-06-29 AAL2576 LGA → RDU Jun 29, 02:45 UTCJun 29, 04:09 UTC1h 25m
2026-06-29 AAL2576 LGA → RDU Jun 29, 00:00 UTCJun 29, 01:34 UTC1h 35m
2026-06-28 AAL2646 PHX → PHX Jun 28, 17:25 UTCJun 28, 22:15 UTC4h 50m
2026-06-28 AAL653 BOS → CLT Jun 28, 11:29 UTCJun 28, 15:24 UTC3h 55m
2026-06-28 AAL1962 - Jun 28, 03:29 UTCJun 28, 04:29 UTC1h 0m
2026-06-28 AAL1962 CLT → PIT Jun 28, 03:27 UTCJun 28, 04:30 UTC1h 3m
2026-06-27 AAL1366 ANU → CLT Jun 27, 20:23 UTCJun 28, 00:31 UTC4h 8m
2026-06-27 AAL1366 - Jun 27, 14:54 UTCJun 28, 00:35 UTC9h 40m
2026-06-27 AAL1297 - Jun 27, 11:44 UTCJun 27, 13:24 UTC1h 40m
2026-06-27 AAL1297 MCI → CLT Jun 27, 11:39 UTCJun 27, 13:26 UTC1h 47m
2026-06-27 AAL1732 - Jun 27, 04:24 UTCJun 27, 05:29 UTC1h 5m
2026-06-27 AAL1732 CLT → MCI Jun 27, 04:23 UTCJun 27, 06:15 UTC1h 52m
2026-06-26 AAL1942 - Jun 26, 22:34 UTCJun 26, 23:55 UTC1h 20m
2026-06-26 AAL1942 - Jun 26, 19:39 UTCJun 26, 20:55 UTC1h 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 N907NN page for operator, model, and routing details .

Mode-S AC8A66 frequently asked

What is Mode-S code AC8A66?
AC8A66 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N907NN.
Where is Mode-S AC8A66 registered?
Mode-S code AC8A66 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 AC8A66 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC8A66, octal 53105146, decimal 11,307,622.
What flights does AC8A66 operate?
Mode-S AC8A66 has broadcast 20 distinct callsigns, including AAL1894, AAL2379, AAL1975, AAL1572, AAL1565.