Apparatus

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sensors Mode-S transponder

A7D6A8

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N604FR · AIRBUS A-321neo · operated by BANK OF UTAH TRUSTEE

Hex
A7D6A8
Octal
51753250
Decimal
10,999,464
Country
US
Tail
N604FR
Type
A21N
Broadcasting now · callsign FFT1417 · 36,000 ft
Flights observed
474
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:00 UTC

Current position

A7D6A8 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A7D6A8 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
FFT70 - 5 2026-07-13
FFT2523 Frontier Airlines 5 2026-05-26
FFT4671 Frontier Airlines 4 2026-05-27
FFT4048 Frontier Airlines 4 2026-05-17
FFT3645 Frontier Airlines 4 2026-07-19
FFT3316 - 4 2026-07-21
FFT3284 Frontier Airlines 4 2026-05-11
FFT2698 Frontier Airlines 4 2026-05-17
FFT2697 Frontier Airlines 4 2026-05-18
FFT2608 Frontier Airlines 4 2026-05-27
FFT2512 Frontier Airlines 4 2026-06-10
FFT1958 Frontier Airlines 4 2026-05-26
FFT1949 Frontier Airlines 4 2026-04-16
FFT1704 Frontier Airlines 4 2026-05-14
FFT1446 - 4 2026-07-01
FFT1191 Frontier Airlines 4 2026-05-25
FFT1019 Frontier Airlines 4 2026-05-17
FFT4948 Frontier Airlines 3 2026-06-07
FFT4844 Frontier Airlines 3 2026-06-13
FFT4732 Frontier Airlines 3 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 FFT3452 PHX → MDW Jul 26, 20:20 UTCJul 26, 22:00 UTC1h 40m
2026-07-26 FFT1045 CLE → MCO Jul 26, 15:55 UTCJul 26, 18:30 UTC2h 35m
2026-07-26 FFT1046 CLE → FLL Jul 26, 12:10 UTCJul 26, 14:25 UTC2h 15m
2026-07-25 FFT4036 ATL → CLE Jul 25, 00:05 UTCJul 25, 01:25 UTC1h 20m
2026-07-24 FFT1407 BUF → ATL Jul 24, 19:05 UTCJul 24, 20:45 UTC1h 40m
2026-07-24 FFT1407 BUF → ATL Jul 24, 19:01 UTCJul 24, 20:41 UTC1h 40m
2026-07-24 FFT1408 ATL → BUF Jul 24, 16:10 UTCJul 24, 17:50 UTC1h 40m
2026-07-24 FFT1596 - Jul 24, 12:55 UTCJul 24, 14:20 UTC1h 25m
2026-07-24 FFT1596 ORD → ATL Jul 24, 12:20 UTCJul 24, 14:16 UTC1h 56m
2026-07-24 FFT2446 LAX → ORD Jul 24, 07:15 UTCJul 24, 10:45 UTC3h 30m
2026-07-24 FFT2858 SFO → LAX Jul 24, 03:50 UTCJul 24, 04:45 UTC55m
2026-07-24 FFT2858 SFO → LAX Jul 24, 03:36 UTCJul 24, 04:44 UTC1h 8m
2026-07-23 FFT1447 ATL → SFO Jul 23, 22:05 UTCJul 24, 02:20 UTC4h 15m
2026-07-23 FFT4731 JFK → ATL Jul 23, 18:30 UTCJul 23, 20:20 UTC1h 50m
2026-07-23 FFT4732 ATL → JFK Jul 23, 14:15 UTCJul 23, 16:25 UTC2h 10m
2026-07-23 FFT4732 ATL → JFK Jul 23, 10:40 UTCJul 23, 11:35 UTC55m
2026-07-23 FFT1670 MCO → CVG Jul 23, 03:15 UTCJul 23, 04:25 UTC1h 10m
2026-07-22 FFT2871 SJU → ATL Jul 22, 23:55 UTCJul 23, 01:30 UTC1h 35m
2026-07-22 FFT2871 SJU → ATL Jul 22, 22:20 UTCJul 22, 22:35 UTC15m
2026-07-22 FFT1166 MCO → PHL Jul 22, 20:10 UTCJul 22, 20:30 UTC20m
2026-07-22 FFT1166 MCO → PHL Jul 22, 16:40 UTCJul 22, 18:20 UTC1h 40m
2026-07-22 FFT1015 SJU → PHL Jul 22, 13:05 UTCJul 22, 14:55 UTC1h 50m
2026-07-22 FFT2216 TPA → SJU Jul 22, 04:15 UTCJul 22, 04:25 UTC10m
2026-07-22 FFT2216 TPA → SJU Jul 22, 01:47 UTCJul 22, 04:29 UTC2h 42m
2026-07-22 FFT2216 TPA → SJU Jul 22, 01:50 UTCJul 22, 02:40 UTC50m
2026-07-21 FFT2215 SJU → TPA Jul 21, 21:30 UTCJul 22, 00:05 UTC2h 35m
2026-07-21 FFT2215 SJU → TPA Jul 21, 21:35 UTCJul 22, 00:03 UTC2h 28m
2026-07-21 FFT3018 LAS → SLC Jul 21, 19:35 UTCJul 21, 19:45 UTC10m
2026-07-21 FFT3018 LAS → SLC Jul 21, 17:35 UTCJul 21, 18:05 UTC30m
2026-07-21 FFT3018 LAS → SLC Jul 21, 17:33 UTCJul 21, 19:44 UTC2h 11m
2026-07-21 FFT2205 - Jul 21, 13:35 UTCJul 21, 16:05 UTC2h 30m
2026-07-21 FFT2446 LAX → ORD Jul 21, 07:30 UTCJul 21, 11:10 UTC3h 40m
2026-07-21 FFT3316 - Jul 21, 02:50 UTCJul 21, 03:50 UTC1h 0m
2026-07-21 FFT4143 LAS → SMF Jul 21, 00:40 UTCJul 21, 01:40 UTC1h 0m
2026-07-20 FFT1590 SJC → LAS Jul 20, 21:45 UTCJul 20, 22:55 UTC1h 10m
2026-07-20 FFT4103 LAS → SJC Jul 20, 19:35 UTCJul 20, 20:40 UTC1h 5m
2026-07-20 FFT3231 - Jul 20, 14:25 UTCJul 20, 18:05 UTC3h 40m
2026-07-20 FFT4966 LAS → CLE Jul 20, 09:05 UTCJul 20, 12:45 UTC3h 40m
2026-07-20 FFT2408 SEA → LAS Jul 20, 04:45 UTCJul 20, 06:55 UTC2h 10m
2026-07-19 FFT2275 - Jul 19, 23:55 UTCJul 20, 02:05 UTC2h 10m
2026-07-19 FFT1357 LAS → ONT Jul 19, 21:50 UTCJul 19, 22:25 UTC35m
2026-07-19 FFT3645 AUS → LAS Jul 19, 18:15 UTCJul 19, 20:30 UTC2h 15m
2026-07-19 FFT3645 AUS → LAS Jul 19, 17:57 UTCJul 19, 20:27 UTC2h 30m
2026-07-19 FFT4684 LAS → AUS Jul 19, 14:20 UTCJul 19, 16:40 UTC2h 20m
2026-07-19 FFT3645 AUS → LAS Jul 19, 00:40 UTCJul 19, 03:10 UTC2h 30m
2026-07-18 FFT4684 LAS → AUS Jul 18, 21:10 UTCJul 18, 23:30 UTC2h 20m
2026-07-18 FFT9472 GRR → MCO Jul 18, 18:50 UTCJul 18, 19:35 UTC45m
2026-07-15 FFT1325 LAS → SAN Jul 15, 20:05 UTCJul 15, 20:45 UTC40m
2026-07-15 FFT1993 DEN → LAS Jul 15, 16:20 UTCJul 15, 17:40 UTC1h 20m
2026-07-15 FFT1279 - Jul 15, 10:25 UTCJul 15, 13:50 UTC3h 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 N604FR page for operator, model, and routing details .

Mode-S A7D6A8 frequently asked

What is Mode-S code A7D6A8?
A7D6A8 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N604FR.
Where is Mode-S A7D6A8 registered?
Mode-S code A7D6A8 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 A7D6A8 broadcasting right now?
Yes. Mode-S A7D6A8 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7D6A8, octal 51753250, decimal 10,999,464.
What flights does A7D6A8 operate?
Mode-S A7D6A8 has broadcast 20 distinct callsigns, including FFT70, FFT2523, FFT4671, FFT4048, FFT3645.