Apparatus

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sensors Mode-S transponder

A41F6C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N365FR · AIRBUS A-320neo · operated by BANK OF UTAH TRUSTEE

Hex
A41F6C
Octal
51017554
Decimal
10,755,948
Country
US
Tail
N365FR
Type
A20N
No current signal · last broadcast 1h ago
Flights observed
412
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A41F6C.

Country allocation

The ICAO 24-bit address A41F6C 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
FFT3019 - 5 2026-07-13
FFT2232 - 5 2026-07-13
FFT4812 Frontier Airlines 4 2026-04-27
FFT2678 - 4 2026-07-13
FFT2288 - 4 2026-06-20
FFT1816 - 4 2026-06-22
FFT1326 - 4 2026-07-13
FFT1257 - 4 2026-07-03
FFT4964 Frontier Airlines 3 2026-06-16
FFT3871 Frontier Airlines 3 2026-05-11
FFT3782 Frontier Airlines 3 2026-05-28
FFT367 - 3 2026-04-13
FFT3378 - 3 2026-07-07
FFT3371 Frontier Airlines 3 2026-05-28
FFT3291 - 3 2026-07-04
FFT3208 Frontier Airlines 3 2026-06-14
FFT3076 - 3 2026-07-08
FFT3075 - 3 2026-07-08
FFT3054 Frontier Airlines 3 2026-05-30
FFT3053 Frontier Airlines 3 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FFT2070 - Jul 14, 01:25 UTCJul 14, 02:35 UTC1h 10m
2026-07-13 FFT3315 - Jul 13, 23:05 UTCJul 14, 00:05 UTC1h 0m
2026-07-13 FFT2263 - Jul 13, 21:15 UTCJul 13, 21:55 UTC40m
2026-07-13 FFT2232 - Jul 13, 19:00 UTCJul 13, 19:45 UTC45m
2026-07-13 FFT2678 SFO → ONT Jul 13, 16:55 UTCJul 13, 17:55 UTC1h 0m
2026-07-13 FFT3019 LAS → SFO Jul 13, 14:43 UTCJul 13, 15:55 UTC1h 12m
2026-07-13 FFT3019 LAS → SFO Jul 13, 14:50 UTCJul 13, 16:05 UTC1h 15m
2026-07-13 FFT1326 - Jul 13, 05:35 UTCJul 13, 06:25 UTC50m
2026-07-13 FFT1469 LAS → SAN Jul 13, 03:25 UTCJul 13, 04:15 UTC50m
2026-07-12 FFT4505 FLV → LAS Jul 12, 21:55 UTCJul 13, 00:15 UTC2h 20m
2026-07-12 FFT4506 - Jul 12, 18:20 UTCJul 12, 20:45 UTC2h 25m
2026-07-12 FFT2801 - Jul 12, 12:50 UTCJul 12, 16:30 UTC3h 40m
2026-07-12 FFT2801 DTW → LAS Jul 12, 12:41 UTCJul 12, 16:26 UTC3h 45m
2026-07-12 FFT2802 - Jul 12, 07:31 UTCJul 12, 10:55 UTC3h 25m
2026-07-12 FFT1326 SAN → LAS Jul 12, 04:10 UTCJul 12, 05:05 UTC55m
2026-07-12 FFT1326 SAN → LAS Jul 12, 04:04 UTCJul 12, 05:05 UTC1h 1m
2026-07-12 FFT1469 LAS → SAN Jul 12, 02:20 UTCJul 12, 03:10 UTC50m
2026-07-11 FFT4158 - Jul 11, 23:00 UTCJul 12, 00:20 UTC1h 20m
2026-07-11 FFT3581 - Jul 11, 20:20 UTCJul 11, 21:20 UTC1h 0m
2026-07-11 FFT1699 - Jul 11, 18:15 UTCJul 11, 18:55 UTC40m
2026-07-11 FFT4108 BUR → LAS Jul 11, 16:15 UTCJul 11, 17:00 UTC45m
2026-07-11 FFT4107 LAS → BUR Jul 11, 14:00 UTCJul 11, 14:45 UTC45m
2026-07-11 FFT1326 SAN → LAS Jul 11, 04:01 UTCJul 11, 05:01 UTC1h 0m
2026-07-11 FFT1469 LAS → SAN Jul 11, 02:00 UTCJul 11, 02:45 UTC45m
2026-07-10 FFT4505 - Jul 10, 22:00 UTCJul 11, 00:30 UTC2h 30m
2026-07-10 FFT4506 - Jul 10, 18:35 UTCJul 10, 20:45 UTC2h 10m
2026-07-10 FFT2801 - Jul 10, 13:20 UTCJul 10, 17:05 UTC3h 45m
2026-07-10 FFT2802 - Jul 10, 08:00 UTCJul 10, 11:40 UTC3h 40m
2026-07-10 FFT1965 - Jul 10, 02:15 UTCJul 10, 04:45 UTC2h 30m
2026-07-09 FFT1966 - Jul 9, 22:10 UTCJul 10, 00:55 UTC2h 45m
2026-07-09 FFT4158 - Jul 9, 19:50 UTCJul 9, 20:50 UTC1h 0m
2026-07-09 FFT1159 - Jul 9, 17:25 UTCJul 9, 18:30 UTC1h 5m
2026-07-09 FFT1283 LAS → ONT Jul 9, 14:15 UTCJul 9, 14:55 UTC40m
2026-07-09 FFT4551 - Jul 9, 02:45 UTCJul 9, 07:15 UTC4h 30m
2026-07-08 FFT3699 - Jul 8, 23:40 UTCJul 9, 01:10 UTC1h 30m
2026-07-08 FFT3075 - Jul 8, 21:05 UTCJul 8, 22:10 UTC1h 5m
2026-07-08 FFT3075 BWI → CLT Jul 8, 20:58 UTCJul 8, 22:07 UTC1h 9m
2026-07-08 FFT3076 - Jul 8, 18:00 UTCJul 8, 19:00 UTC1h 0m
2026-07-08 FFT3076 CLT → BWI Jul 8, 17:51 UTCJul 8, 18:57 UTC1h 6m
2026-07-08 FFT2396 - Jul 8, 14:20 UTCJul 8, 16:20 UTC2h 0m
2026-07-08 FFT1067 - Jul 8, 10:50 UTCJul 8, 13:05 UTC2h 15m
2026-07-08 FFT3442 - Jul 8, 01:35 UTCJul 8, 03:00 UTC1h 25m
2026-07-07 FFT4405 - Jul 7, 22:30 UTCJul 7, 23:55 UTC1h 25m
2026-07-07 FFT2272 - Jul 7, 19:00 UTCJul 7, 20:30 UTC1h 30m
2026-07-07 FFT3059 - Jul 7, 15:35 UTCJul 7, 16:55 UTC1h 20m
2026-07-07 FFT3377 - Jul 7, 11:45 UTCJul 7, 14:00 UTC2h 15m
2026-07-07 FFT3378 - Jul 7, 05:50 UTCJul 7, 06:00 UTC10m
2026-07-07 FFT3378 - Jul 7, 03:55 UTCJul 7, 04:15 UTC20m
2026-07-07 FFT3378 MIA → SJU Jul 7, 03:35 UTCJul 7, 05:59 UTC2h 24m
2026-07-07 FFT3699 - Jul 7, 00:25 UTCJul 7, 02:05 UTC1h 40m

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 N365FR page for operator, model, and routing details .

Mode-S A41F6C frequently asked

What is Mode-S code A41F6C?
A41F6C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N365FR.
Where is Mode-S A41F6C registered?
Mode-S code A41F6C 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 A41F6C 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 A41F6C, octal 51017554, decimal 10,755,948.
What flights does A41F6C operate?
Mode-S A41F6C has broadcast 20 distinct callsigns, including FFT3019, FFT2232, FFT4812, FFT2678, FFT2288.