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sensors Mode-S transponder

A3ACA6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N336FR · AIRBUS A-320neo · operated by UMB BANK NA TRUSTEE

Hex
A3ACA6
Octal
50726246
Decimal
10,726,566
Country
US
Tail
N336FR
Type
A20N
Broadcasting now · callsign FFT1261 · 37,600 ft
Flights observed
516
Distinct callsigns
20
Country
US
Last broadcast
2h ago

Current position

A3ACA6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A3ACA6 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
FFT3871 - 8 2026-07-11
FFT2745 - 7 2026-07-08
FFT1820 - 7 2026-07-12
FFT1571 - 7 2026-07-11
FFT4401 - 6 2026-06-27
FFT3393 - 6 2026-07-10
FFT3133 Frontier Airlines 6 2026-05-06
FFT2638 - 6 2026-07-11
FFT1689 - 6 2026-07-07
FFT777 Frontier Airlines 5 2026-06-07
FFT4964 - 5 2026-07-04
FFT3624 Frontier Airlines 5 2026-05-05
FFT1714 Frontier Airlines 5 2026-05-08
FFT1500 - 5 2026-07-13
FFT1303 - 5 2026-06-15
FFT1261 - 5 2026-07-13
FFT4753 - 4 2026-07-10
FFT4578 - 4 2026-07-11
FFT4567 - 4 2026-07-14
FFT3872 - 4 2026-07-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FFT4567 STL → DEN Jul 14, 01:10 UTCJul 14, 02:55 UTC1h 45m
2026-07-13 FFT3302 DEN → STL Jul 13, 22:25 UTCJul 14, 00:05 UTC1h 40m
2026-07-13 FFT3375 - Jul 13, 19:00 UTCJul 13, 20:15 UTC1h 15m
2026-07-13 FFT4828 - Jul 13, 16:25 UTCJul 13, 17:40 UTC1h 15m
2026-07-13 FFT1500 - Jul 13, 13:05 UTCJul 13, 14:55 UTC1h 50m
2026-07-13 FFT1500 ONT → DEN Jul 13, 13:13 UTCJul 13, 14:54 UTC1h 41m
2026-07-13 FFT1261 DEN → ONT Jul 13, 04:40 UTCJul 13, 06:30 UTC1h 50m
2026-07-13 FFT4567 STL → DEN Jul 13, 01:25 UTCJul 13, 03:10 UTC1h 45m
2026-07-12 FFT3302 - Jul 12, 22:25 UTCJul 13, 00:10 UTC1h 45m
2026-07-12 FFT2513 PHL → DEN Jul 12, 16:55 UTCJul 12, 20:10 UTC3h 15m
2026-07-12 FFT2514 DEN → PHL Jul 12, 12:05 UTCJul 12, 15:20 UTC3h 15m
2026-07-12 FFT1820 PHX → DEN Jul 12, 02:35 UTCJul 12, 04:01 UTC1h 25m
2026-07-12 FFT1820 PHX → DEN Jul 12, 02:06 UTCJul 12, 03:59 UTC1h 53m
2026-07-11 FFT4578 - Jul 11, 23:30 UTCJul 12, 00:25 UTC55m
2026-07-11 FFT1571 PHX → SAN Jul 11, 21:25 UTCJul 11, 22:15 UTC50m
2026-07-11 FFT3871 SLC → PHX Jul 11, 18:45 UTCJul 11, 20:05 UTC1h 20m
2026-07-11 FFT3872 PHX → SLC Jul 11, 16:20 UTCJul 11, 17:35 UTC1h 15m
2026-07-11 FFT2638 - Jul 11, 02:15 UTCJul 11, 03:50 UTC1h 35m
2026-07-10 FFT3393 SLC → SFO Jul 10, 23:15 UTCJul 11, 01:00 UTC1h 45m
2026-07-10 FFT3393 SLC → SFO Jul 10, 23:14 UTCJul 11, 00:52 UTC1h 38m
2026-07-10 FFT2526 PHX → SLC Jul 10, 20:45 UTCJul 10, 21:55 UTC1h 10m
2026-07-10 FFT3971 DFW → PHX Jul 10, 17:15 UTCJul 10, 19:10 UTC1h 55m
2026-07-10 FFT2532 PHX → DFW Jul 10, 13:37 UTCJul 10, 15:39 UTC2h 2m
2026-07-10 FFT2532 - Jul 10, 13:35 UTCJul 10, 15:40 UTC2h 5m
2026-07-10 FFT4753 - Jul 10, 08:00 UTCJul 10, 09:30 UTC1h 30m
2026-07-10 FFT1820 - Jul 10, 05:25 UTCJul 10, 06:40 UTC1h 15m
2026-07-10 FFT4578 - Jul 10, 03:00 UTCJul 10, 04:00 UTC1h 0m
2026-07-10 FFT1571 - Jul 10, 00:50 UTCJul 10, 01:35 UTC45m
2026-07-09 FFT3871 SLC → PHX Jul 9, 18:50 UTCJul 9, 20:05 UTC1h 15m
2026-07-09 FFT3871 SLC → PHX Jul 9, 18:53 UTCJul 9, 20:04 UTC1h 11m
2026-07-09 FFT3872 - Jul 9, 16:40 UTCJul 9, 17:50 UTC1h 10m
2026-07-09 FFT2638 - Jul 9, 02:30 UTCJul 9, 04:00 UTC1h 30m
2026-07-09 FFT2638 SFO → PHX Jul 9, 02:21 UTCJul 9, 03:56 UTC1h 35m
2026-07-08 FFT3393 - Jul 8, 23:15 UTCJul 9, 01:05 UTC1h 50m
2026-07-08 FFT2526 PHX → SLC Jul 8, 20:45 UTCJul 8, 22:10 UTC1h 25m
2026-07-08 FFT2105 DEN → PHX Jul 8, 17:54 UTCJul 8, 19:15 UTC1h 21m
2026-07-08 FFT2745 TPA → DEN Jul 8, 02:15 UTCJul 8, 05:30 UTC3h 15m
2026-07-07 FFT1689 - Jul 7, 22:30 UTCJul 8, 00:50 UTC2h 20m
2026-07-07 FFT1690 TPA → TTN Jul 7, 17:15 UTCJul 7, 19:25 UTC2h 10m
2026-07-07 FFT3782 ATL → TPA Jul 7, 14:20 UTCJul 7, 15:25 UTC1h 5m
2026-07-07 FFT1263 - Jul 7, 10:20 UTCJul 7, 11:45 UTC1h 25m
2026-07-07 FFT1264 ATL → DTW Jul 7, 04:00 UTCJul 7, 05:25 UTC1h 25m
2026-07-07 FFT1079 - Jul 7, 00:00 UTCJul 7, 01:25 UTC1h 25m
2026-07-06 FFT1080 - Jul 6, 20:40 UTCJul 6, 22:05 UTC1h 25m
2026-07-06 FFT2144 LAS → PHL Jul 6, 17:25 UTCJul 6, 18:50 UTC1h 25m
2026-07-06 FFT2779 ATL → MDW Jul 6, 14:35 UTCJul 6, 16:00 UTC1h 25m
2026-07-06 FFT2467 - Jul 6, 11:00 UTCJul 6, 12:20 UTC1h 20m
2026-07-06 FFT2467 CLE → ATL Jul 6, 10:50 UTCJul 6, 12:19 UTC1h 29m
2026-07-05 FFT3232 LAS → CLE Jul 5, 22:40 UTCJul 6, 02:25 UTC3h 45m
2026-07-05 FFT1601 - Jul 5, 15:15 UTCJul 5, 20:05 UTC4h 50m

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 N336FR page for operator, model, and routing details .

Mode-S A3ACA6 frequently asked

What is Mode-S code A3ACA6?
A3ACA6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N336FR.
Where is Mode-S A3ACA6 registered?
Mode-S code A3ACA6 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 A3ACA6 broadcasting right now?
Yes. Mode-S A3ACA6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A3ACA6, octal 50726246, decimal 10,726,566.
What flights does A3ACA6 operate?
Mode-S A3ACA6 has broadcast 20 distinct callsigns, including FFT3871, FFT2745, FFT1820, FFT1571, FFT4401.