Apparatus

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sensors Mode-S transponder

AD6C3B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N964NN · BOEING 737-800 · operated by AMERICAN AIRLINES INC

Hex
AD6C3B
Octal
53266073
Decimal
11,365,435
Country
US
Tail
N964NN
Type
B738
No current signal · last broadcast Jul 26, 22:40 UTC
Flights observed
551
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:40 UTC

Last known position

Most recent position reported by Mode-S AD6C3B.

Country allocation

The ICAO 24-bit address AD6C3B 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
AAL2400 - 7 2026-07-21
AAL2918 American Airlines 6 2026-04-16
AAL2741 American Airlines 6 2026-04-15
AAL1253 American Airlines 6 2026-04-15
AAL2630 - 5 2026-06-27
AAL2491 - 5 2026-04-13
AAL1930 American Airlines 5 2026-07-26
AAL1523 American Airlines 5 2026-05-27
AAL1089 - 5 2026-07-06
AAL584 American Airlines 4 2026-05-12
AAL3199 American Airlines 4 2026-06-05
AAL2851 American Airlines 4 2026-04-21
AAL2828 - 4 2026-06-15
AAL2352 - 4 2026-06-15
AAL1793 - 4 2026-07-13
AAL1387 - 4 2026-06-20
AAL975 American Airlines 3 2026-04-17
AAL775 - 3 2026-07-07
AAL574 - 3 2026-07-14
AAL526 - 3 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL1526 SMF → DFW Jul 26, 21:45 UTCJul 26, 22:40 UTC55m
2026-07-26 AAL1526 SMF → DFW Jul 26, 19:25 UTCJul 26, 20:20 UTC55m
2026-07-26 AAL1930 CLT → RSW Jul 26, 15:40 UTCJul 26, 17:45 UTC2h 5m
2026-07-26 AAL1930 CLT → RSW Jul 26, 15:40 UTCJul 26, 17:44 UTC2h 4m
2026-07-26 AAL1930 CLT → RSW Jul 26, 12:00 UTCJul 26, 13:55 UTC1h 55m
2026-07-26 AAL2632 EWR → ORD Jul 26, 09:10 UTCJul 26, 10:15 UTC1h 5m
2026-07-26 AAL3146 MKE → PHX Jul 26, 00:40 UTCJul 26, 01:45 UTC1h 5m
2026-07-25 AAL855 CLT → SFO Jul 25, 18:40 UTCJul 25, 21:55 UTC3h 15m
2026-07-25 AAL855 CLT → SFO Jul 25, 18:18 UTCJul 25, 21:52 UTC3h 34m
2026-07-25 AAL885 - Jul 25, 13:30 UTCJul 25, 18:45 UTC5h 15m
2026-07-25 AAL885 CLT → SKB Jul 25, 13:29 UTCJul 25, 17:12 UTC3h 43m
2026-07-25 AAL3235 PDX → PHX Jul 25, 11:20 UTCJul 25, 11:55 UTC35m
2026-07-25 AAL3127 SFO → CLT Jul 25, 01:35 UTCJul 25, 03:05 UTC1h 30m
2026-07-25 AAL3127 SFO → CLT Jul 25, 01:30 UTCJul 25, 02:59 UTC1h 29m
2026-07-24 AAL3039 SAN → DFW Jul 24, 20:45 UTCJul 24, 23:55 UTC3h 10m
2026-07-24 AAL2037 PHL → DFW Jul 24, 17:40 UTCJul 24, 18:30 UTC50m
2026-07-24 AAL1937 CLT → BOS Jul 24, 13:45 UTCJul 24, 15:55 UTC2h 10m
2026-07-24 AAL1937 CLT → BOS Jul 24, 13:44 UTCJul 24, 15:55 UTC2h 11m
2026-07-24 AAL1914 PHL → NAS Jul 24, 04:15 UTCJul 24, 04:55 UTC40m
2026-07-24 AAL1379 PVD → PHL Jul 24, 02:35 UTCJul 24, 02:40 UTC5m
2026-07-24 AAL1379 PVD → PHL Jul 24, 00:40 UTCJul 24, 02:30 UTC1h 50m
2026-07-23 AAL1379 PVD → PHL Jul 23, 21:15 UTCJul 23, 23:00 UTC1h 45m
2026-07-23 AAL3167 SJC → LAX Jul 23, 17:35 UTCJul 23, 19:35 UTC2h 0m
2026-07-23 AAL3167 SJC → LAX Jul 23, 14:10 UTCJul 23, 16:20 UTC2h 10m
2026-07-23 AAL2770 ATL → DFW Jul 23, 10:28 UTCJul 23, 12:10 UTC1h 42m
2026-07-23 AAL2770 ATL → DFW Jul 23, 10:30 UTCJul 23, 12:15 UTC1h 45m
2026-07-23 AAL3212 FAT → PHX Jul 23, 00:45 UTCJul 23, 02:25 UTC1h 40m
2026-07-22 AAL1624 PHL → LAS Jul 22, 20:05 UTCJul 22, 22:45 UTC2h 40m
2026-07-22 AAL2088 MCO → DCA Jul 22, 14:55 UTCJul 22, 16:40 UTC1h 45m
2026-07-22 AAL3173 DFW → MCO Jul 22, 11:27 UTCJul 22, 13:39 UTC2h 12m
2026-07-22 AAL3173 DFW → MCO Jul 22, 11:35 UTCJul 22, 13:45 UTC2h 10m
2026-07-22 AAL2047 PHX → AUS Jul 22, 00:55 UTCJul 22, 02:05 UTC1h 10m
2026-07-22 AAL2047 PHX → AUS Jul 22, 00:53 UTCJul 22, 02:03 UTC1h 10m
2026-07-21 AAL2047 PHX → AUS Jul 21, 22:30 UTCJul 21, 23:40 UTC1h 10m
2026-07-21 AAL2400 - Jul 21, 18:35 UTCJul 21, 21:00 UTC2h 25m
2026-07-21 AAL2400 DFW → RDU Jul 21, 14:50 UTCJul 21, 17:15 UTC2h 25m
2026-07-21 AAL2150 MSP → DFW Jul 21, 11:30 UTCJul 21, 13:25 UTC1h 55m
2026-07-21 AAL3149 - Jul 21, 03:55 UTCJul 21, 05:50 UTC1h 55m
2026-07-21 AAL3149 DFW → MSP Jul 21, 03:53 UTCJul 21, 05:50 UTC1h 57m
2026-07-20 AAL1827 - Jul 20, 23:20 UTCJul 21, 02:15 UTC2h 54m
2026-07-20 AAL1827 - Jul 20, 19:25 UTCJul 20, 22:05 UTC2h 40m
2026-07-20 AAL2152 MSP → DFW Jul 20, 15:50 UTCJul 20, 17:40 UTC1h 50m
2026-07-20 AAL2152 MSP → DFW Jul 20, 15:49 UTCJul 20, 17:38 UTC1h 49m
2026-07-20 AAL2152 DFW → MSP Jul 20, 12:30 UTCJul 20, 14:35 UTC2h 5m
2026-07-20 AAL656 SJU → MIA Jul 20, 10:05 UTCJul 20, 10:40 UTC35m
2026-07-20 AAL656 SJU → MIA Jul 20, 10:05 UTCJul 20, 10:37 UTC32m
2026-07-20 AAL1458 - Jul 20, 03:50 UTCJul 20, 04:30 UTC40m
2026-07-20 AAL1458 DFW → OKC Jul 20, 03:48 UTCJul 20, 04:24 UTC36m
2026-07-20 AAL2509 DCA → MCO Jul 20, 00:00 UTCJul 20, 00:45 UTC45m
2026-07-19 AAL2509 DCA → MCO Jul 19, 23:58 UTCJul 20, 02:05 UTC2h 7m

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 N964NN page for operator, model, and routing details .

Mode-S AD6C3B frequently asked

What is Mode-S code AD6C3B?
AD6C3B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N964NN.
Where is Mode-S AD6C3B registered?
Mode-S code AD6C3B 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 AD6C3B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD6C3B, octal 53266073, decimal 11,365,435.
What flights does AD6C3B operate?
Mode-S AD6C3B has broadcast 20 distinct callsigns, including AAL2400, AAL2918, AAL2741, AAL1253, AAL2630.