Apparatus

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sensors Mode-S transponder

A7DA5F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N605FR · AIRBUS A-321neo · operated by BANK OF UTAH TRUSTEE

Hex
A7DA5F
Octal
51755137
Decimal
11,000,415
Country
US
Tail
N605FR
Type
A21N
Broadcasting now · callsign FFT3424 · 23,225 ft
Flights observed
459
Distinct callsigns
20
Country
US
Last broadcast
31m ago

Current position

A7DA5F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A7DA5F 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
FFT4891 Frontier Airlines 6 2026-05-31
FFT3378 - 5 2026-07-04
FFT1821 Frontier Airlines 5 2026-05-24
FFT1404 - 5 2026-06-14
FFT7 - 4 2026-06-13
FFT4315 Frontier Airlines 4 2026-04-13
FFT4075 Frontier Airlines 4 2026-06-14
FFT3916 - 4 2026-06-23
FFT3424 - 4 2026-07-14
FFT3423 - 4 2026-07-14
FFT3377 - 4 2026-07-04
FFT3232 Frontier Airlines 4 2026-05-23
FFT317 - 4 2026-07-06
FFT3022 - 4 2026-07-13
FFT239 Frontier Airlines 4 2026-06-13
FFT1973 - 4 2026-07-12
FFT1334 - 4 2026-07-11
FFT1333 - 4 2026-07-11
FFT1019 - 4 2026-06-25
FFT4474 Frontier Airlines 3 2026-06-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FFT3424 - Jul 14, 23:40 UTCJul 15, 01:45 UTC2h 5m
2026-07-14 FFT3423 LGA → DFW Jul 14, 14:40 UTCJul 14, 17:25 UTC2h 45m
2026-07-14 FFT3424 DFW → LGA Jul 14, 00:05 UTCJul 14, 03:20 UTC3h 15m
2026-07-13 FFT1269 ATL → DFW Jul 13, 19:30 UTCJul 13, 21:25 UTC1h 55m
2026-07-13 FFT3022 - Jul 13, 15:45 UTCJul 13, 17:25 UTC1h 40m
2026-07-13 FFT3022 DFW → ATL Jul 13, 15:15 UTCJul 13, 17:20 UTC2h 5m
2026-07-13 FFT3423 LGA → DFW Jul 13, 03:50 UTCJul 13, 06:40 UTC2h 50m
2026-07-13 FFT3423 LGA → DFW Jul 13, 03:47 UTCJul 13, 06:38 UTC2h 51m
2026-07-12 FFT3424 DFW → LGA Jul 12, 23:05 UTCJul 13, 02:25 UTC3h 20m
2026-07-12 FFT2471 - Jul 12, 17:50 UTCJul 12, 20:45 UTC2h 55m
2026-07-12 FFT2471 EWR → DFW Jul 12, 17:48 UTCJul 12, 20:40 UTC2h 52m
2026-07-12 FFT2472 - Jul 12, 13:10 UTCJul 12, 16:10 UTC3h 0m
2026-07-12 FFT1951 - Jul 12, 09:00 UTCJul 12, 11:10 UTC2h 10m
2026-07-12 FFT1951 RBD → MCO Jul 12, 04:05 UTCJul 12, 06:05 UTC2h 0m
2026-07-12 FFT1973 - Jul 12, 00:01 UTCJul 12, 02:35 UTC2h 35m
2026-07-11 FFT1974 - Jul 11, 20:10 UTCJul 11, 22:35 UTC2h 25m
2026-07-11 FFT1333 TPA → DFW Jul 11, 14:40 UTCJul 11, 16:45 UTC2h 5m
2026-07-11 FFT1334 - Jul 11, 10:35 UTCJul 11, 11:45 UTC1h 10m
2026-07-11 FFT1334 DFW → TPA Jul 11, 10:45 UTCJul 11, 12:45 UTC2h 0m
2026-07-11 FFT3423 LGA → DFW Jul 11, 04:50 UTCJul 11, 07:45 UTC2h 55m
2026-07-10 FFT3424 - Jul 10, 23:25 UTCJul 11, 02:30 UTC3h 5m
2026-07-10 FFT1269 ATL → DFW Jul 10, 19:00 UTCJul 10, 20:45 UTC1h 45m
2026-07-10 FFT3022 DFW → ATL Jul 10, 15:25 UTCJul 10, 17:10 UTC1h 45m
2026-07-10 FFT3022 DFW → ATL Jul 10, 15:15 UTCJul 10, 17:10 UTC1h 55m
2026-07-10 FFT1650 LAS → DFW Jul 10, 08:15 UTCJul 10, 10:30 UTC2h 15m
2026-07-10 FFT3885 DFW → LAS Jul 10, 04:25 UTCJul 10, 06:45 UTC2h 20m
2026-07-09 FFT1973 - Jul 9, 23:10 UTCJul 10, 01:50 UTC2h 40m
2026-07-09 FFT1974 - Jul 9, 19:15 UTCJul 9, 21:40 UTC2h 25m
2026-07-09 FFT1333 - Jul 9, 14:25 UTCJul 9, 16:45 UTC2h 20m
2026-07-09 FFT1334 - Jul 9, 10:45 UTCJul 9, 12:45 UTC2h 0m
2026-07-08 FFT2532 PHX → DFW Jul 8, 20:40 UTCJul 8, 22:40 UTC2h 0m
2026-07-08 FFT4655 - Jul 8, 17:10 UTCJul 8, 19:05 UTC1h 55m
2026-07-07 FFT1973 FLL → DFW Jul 7, 23:35 UTCJul 8, 02:10 UTC2h 35m
2026-07-07 FFT1973 FLL → DFW Jul 7, 23:06 UTCJul 8, 01:57 UTC2h 51m
2026-07-07 FFT1974 DFW → FLL Jul 7, 19:10 UTCJul 7, 21:35 UTC2h 25m
2026-07-07 FFT1333 TPA → DFW Jul 7, 14:35 UTCJul 7, 17:00 UTC2h 25m
2026-07-07 FFT1333 TPA → DFW Jul 7, 14:39 UTCJul 7, 16:42 UTC2h 3m
2026-07-07 FFT1334 - Jul 7, 10:45 UTCJul 7, 13:00 UTC2h 15m
2026-07-07 FFT3212 - Jul 7, 03:45 UTCJul 7, 06:20 UTC2h 35m
2026-07-06 FFT1755 - Jul 6, 23:25 UTCJul 7, 02:15 UTC2h 50m
2026-07-06 FFT317 - Jul 6, 19:20 UTCJul 6, 21:20 UTC2h 0m
2026-07-06 FFT70 DEN → CUN Jul 6, 13:45 UTCJul 6, 17:25 UTC3h 40m
2026-07-06 FFT2347 - Jul 6, 01:10 UTCJul 6, 03:20 UTC2h 10m
2026-07-05 FFT2348 DEN → IND Jul 5, 21:45 UTCJul 5, 23:50 UTC2h 5m
2026-07-05 FFT3199 MSP → DEN Jul 5, 18:35 UTCJul 5, 20:10 UTC1h 35m
2026-07-05 FFT1150 - Jul 5, 15:30 UTCJul 5, 15:45 UTC15m
2026-07-05 FFT1150 DEN → MSP Jul 5, 15:31 UTCJul 5, 17:07 UTC1h 36m
2026-07-05 FFT1279 - Jul 5, 10:15 UTCJul 5, 13:55 UTC3h 40m
2026-07-04 FFT8103 PUJ → MIA Jul 4, 19:05 UTCJul 4, 20:35 UTC1h 30m
2026-07-04 FFT8102 - Jul 4, 14:40 UTCJul 4, 16:05 UTC1h 25m

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 N605FR page for operator, model, and routing details .

Mode-S A7DA5F frequently asked

What is Mode-S code A7DA5F?
A7DA5F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N605FR.
Where is Mode-S A7DA5F registered?
Mode-S code A7DA5F 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 A7DA5F broadcasting right now?
Yes. Mode-S A7DA5F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7DA5F, octal 51755137, decimal 11,000,415.
What flights does A7DA5F operate?
Mode-S A7DA5F has broadcast 20 distinct callsigns, including FFT4891, FFT3378, FFT1821, FFT1404, FFT7.